January 10, 2020

Posted on January 10, 2020 by Tulika Arora

In today’s weekend post- maternal antibodies targeting microbiota protect mice from neonatal infection, exercise improves gestational diabetes in rodent models, bacterial signature in NAFLD and TMAO as negative predictor of human embryo quality. Happy reading and a nice weekend!

General microbiome

Adolescence and aging: impact of adolescence inflammatory stress and microbiota alterations on brain development, aging and neurodegeneration – Nour Yahfoufi – The Journal of Geronotology

Preclinical and clinical relevance of probiotics and synbiotics in colorectal carcinogenesis: a systematic review – Bruna C.S. Cruz – Nutrition Reviews

Gut microbiota: a new piece in understanding hepatocarcinogenesis – An Zhou – Cancer Letters

Gut Microbiota, Diet, and Chronic Diseases: The Role Played by Oxidative Stress – Elisardo C. Vasquez – Oxidative Medicine and Cellular Longevity

New insights on the colonization of the human gut by health-promoting bacteria – Sinead T. Morrin – Applied Microbiology and Biotechnology

Human microbiome

Salivary microbiota and inflammation‐related proteins in patients with psoriasis – Daniel Belstrøm – Oral Diseases

Oral butyrate does not affect innate immunity and islet autoimmunity in individuals with longstanding type 1 diabetes: a randomised controlled trial – Pieter F. de Groot – Diabetologia

Fusobacterium nucleatum in the colorectum, and its association with cancer risk and survival: a systematic review and meta-analysis – Christian Gethings-Behncke – Cancer Epidemiology Biomarkers and Prevention

Potential impact of removing metronidazole from treatment armamentarium of mild acute Clostridioides difficile infection – Shani Zilberman-Itskovich – Future Medicine

Intrahepatic bacterial metataxonomic signature in non-alcoholic fatty liver disease – Silvia Sookoian – Gut

Microbial imbalance in inflammatory bowel disease patients at different taxonomic levels – Mohammad Tauqeer Alam – Gut Pathogens

Early life microbiota

Antibiotic Resistance Genes in the Gut Microbiota of Children with Autistic Spectrum Disorder as Possible Predictors of the Disease – Alexey S. Kovtun – Microbial Drug Resistance

Trimethylamine-N-oxide is present in human follicular fluid and is a negative predictor of embryo quality – R.A.Nagy – Human Reproduction

Animal experiments

Microbiota-targeted maternal antibodies protect neonates from enteric infection – Wen Zheng – Nature

Characterization of metabolic and inflammatory profiles of transition dairy cows fed an energy-restricted diet – Giulia Esposito – Journal of Animal Science

Microbiota dependent production of butyrate is required for the bone anabolic activity of PTH – Jau-Yi Li – Journal of Clinical Investigation

Betaine addition as a potent ruminal fermentation modulator under hyperthermal and hyperosmotic conditions in vitro – Mubarik Mahmood – Journal of the Science of Food and Agriculture

Investigating temporal microbial dynamics in the rumen of beef calves raised on two farms during early life – Eóin O’Hara – FEMS Microbial Ecology

Dietary Xanthan Gum Alters Antibiotic Efficacy against the Murine Gut Microbiota and Attenuates Clostridioides difficile Colonization – Matthew K. Schnizlein – mSphere

Post‐natal co‐development of the microbiota and gut barrier function follows different paths in the small and large intestine in piglets – Alexis Pierre Arnaud – Faseb Journal

Phellinus linteus polysaccharide extract improves insulin resistance by regulating gut microbiota composition – Yangyang Liu – Faseb Journal

Exercise improves metabolic function and alters the microbiome in rats with gestational diabetes – Dayana Mahizir – Faseb Journal

Microbial reconstitution reverses early female puberty induced by maternal high-fat diet during lactation – Mengjie Wang – Endocrinology

Fecal microbiota as a noninvasive biomarker to predict the tissue iron accumulation in intestine epithelial cells and liver – Bingdong Liu – Faseb Journal

Techniques

Systematic Analysis of Impact of Sampling Regions and Storage Methods on Fecal Gut Microbiome and Metabolome Profiles – Yali Liang – mSphere

January 8, 2020

Posted on January 8, 2020 by Svetlana Ugarcina Perovic

Today’s digest features a retrospective mini-review of mothur, study on gut microbiomes of over 900 vertebrate species [Spoiler alert: birds and bats share similarities in their microbiome], findings of fifteen-thousand-year-old viruses in glacier ice, and more. Happy reading!

Gut microbiome

Recording mobile DNA in the gut microbiota using an Escherichia coli CRISPR-Cas spacer acquisition platform – Christian Munck – Nature Communications

Microbial imbalance in inflammatory bowel disease patients at different taxonomic levels – Mohammad Tauqeer Alam – Gut Pathogens

Gut dysbiosis induces the development of pre-eclampsia through bacterial translocation– Xia Chen – Gut

Analysis of gut microbiota of obese individuals with type 2 diabetes and healthy individuals – Aftab Ahmad – PlosOne

Alterations of human lung and gut microbiome in non-small cell lung carcinomas and distant metastasis – Hui Lu – bioRxiv

The interplay between host genetics and the gut microbiome reveals common and distinct microbiome features for human complex diseases – Fengzhe Xu – bioRxiv

Oral microbiome

Acquisition of Oral Microbiota is Driven by Environment, Not Host Genetics – Chiranjit Mukherjee – bioRxiv

Animal microbiome

*Comparative Analyses of Vertebrate Gut Microbiomes Reveal Convergence between Birds and Bats– Se Jin Song – mBio

Comparative Genomics of Rumen Butyrivibrio spp. Uncovers a Continuum of Polysaccharide-Degrading Capabilities – Nikola Palevich – Applied and Environmental Microbiology

Inside out: microbiota dynamics during host-plant adaptation of whiteflies – Diego Santos-Garcia – The ISME Journal

Blood Loss Leads to Increase in Relative Abundance of Opportunistic Pathogens in the Gut Microbiome of Rabbits – Junjie Yang – Current Microbiology

Probiotics

In Vitro Probiotic Potential of Hemophilin-producing Strains of Haemophilus haemolyticus – Brianna Atto – bioRxiv

Quantifying and engineering mucus adhesion of probiotics – Zachary J. S. Mays – bioRxiv

Plant/root/soil microbiome

Temporal and spatial changes in phyllosphere microbiome of acacia trees growing in super arid environments – Ashraf Al-Ashhab – bioRxiv

Secreted metabolite-mediated interactions between rhizosphere bacteria and Trichoderma biocontrol agents – Ningxiao Li – PlosOne

Water microbiome

Quantification of nosZ genes and transcripts in activated sludge microbiomes with novel group-specific qPCR methods validated with metagenomic analyses – Daehyun Daniel Kim – bioRxiv

Viruses

*Glacier ice archives fifteen-thousand-year-old viruses – Zhi-Ping Zhong – bioRxiv

Meeting report: Viruses in the Built Environment (VIBE) meeting report – Aaron J. Prussin – Microbiome

Bioinformatics

*Minireview: Reintroducing mothur: 10 Years Later – Patrick D. Schloss – Applied and Environmental Microbiology

FunGeCo : A web based tool for estimation of Functional potential of bacterial genomes and microbiomes using Gene Context information – Swadha Anand – Bioinformatics

December 27, 2019

Posted on December 27, 2019 by xinhuang7

Today’s Digest brings you a report linking gut microbiota and metabolites, a study on dishwasher rubber as a bacterial reservoir, a news piece for your guide to probiotics, and many more. If we don’t see you again in 2019, Happy New Year! May 2020 bring much success and happiness!

General microbiology

Preprint: The Microbe Directory v2.0: An Expanded Database of Ecological and Phenotypical Features of Microbes – Maria A. Sierra et al. – bioRxiv

A novel graph theoretical approach for modeling microbiomes and inferring microbial ecological relationships – Suyeon Kim et al. – BMC Genomics

Antimicrobial resistance

Preprint: Longitudinal linked read sequencing reveals ecological and evolutionary responses of a human gut microbiome during antibiotic treatment – Morteza Roodgar et al. – bioRxiv

Human oral microbiome

Re-initiation of Oral Food Intake Following Enteral Nutrition Alters Oral and Gut Microbiota Communities – Sayaka Katagiri et al. – Frontiers in Cellular and Infection Microbiology

Human respiratory microbiome

Microbiome in Chronic Obstructive Pulmonary Disease: Role of Natural Products Against Microbial Pathogens – Alessia Santoro et al. – Current Medicinal Chemistry

Human gut microbiome

Comparison of Japanese and Indian intestinal microbiota shows diet-dependent interaction between bacteria and fungi – Siddhika Pareek et al. – npj Biofilms and Microbiomes

Review: The influence of dietary patterns on gut microbiome and its consequences for nonalcoholic fatty liver disease – Qing-Song Zhang et al. – Trends in Food Science and Technology

** Relationship between gut microbiota and circulating metabolites in population-based cohorts – Dina Vojinovic et al. – Nature Communications

Human gut microbiota is associated with HIV-reactive immunoglobulin at baseline and following HIV vaccination – Jacob A. Cram et al. – PLoS One

Preprint: The interplay between host genetics and the gut microbiome reveals common and distinct microbiome features for human complex diseases – Fengzhe Xu & Yuanqing Fu et al. – bioRxiv

Effect of Helicobacter pylori on gastrointestinal microbiota: a population-based study in Linqu, a high-risk area of gastric cancer – Yang Guo et al. – Gut

Human gut-microbiome-brain axis

The relationship between the gut microbiome and mild cognitive impairment in patients without dementia: a cross-sectional study conducted in Japan – Naoki Saji et al. – Scientific Reports

Synergistic effects of APOE and sex on the gut microbiome of young EFAD transgenic mice – Juan Maldonado Weng et al. – Molecular Neurodegeneration

Metabolomics

Tech Note: Boost that metabolomic confidence – Vivien Marx – Nature Methods

The total microbiome functions in bacteria and fungi – Robert Starke et al. – Journal of Proteomics

Animal experiments

Allergic inflammation alters the lung microbiome and hinders synergistic co-infection with H1N1 influenza virus and Streptococcus pneumoniae in C57BL/6 mice – Kim S. LeMessurier et al. – Scientific Reports

Jatrorrhizine Balances the Gut Microbiota and Reverses Learning and Memory Deficits in APP/PS1 transgenic mice – Sheng Wang et al. – Scientific Reports

The impact of gut microbiota manipulation with antibiotics on colon tumorigenesis in a murine model – Jae Gon Lee et al. – PLoS One

Maternal milk and fecal microbes guide the spatiotemporal development of mucosa-associated microbiota and barrier function in the porcine neonatal gut – Hongbin Liu et al. – BMC Biology

Built environment microbiome

** The dishwasher rubber seal acts as a reservoir of bacteria in the home environment – Jerneja Zupančič et al. – BMC Microbiology

Plant, root and soil microbiome

Development of microbial communities in organochlorine pesticide contaminated soil: A post-reclamation perspective – Helga E.Balázs et al. – Applied Soil Ecology

Towards simple tools to assess functional effects of contaminants on natural microbial and invertebrate sediment communities – Stéphane Pesce et al. – Environmental Science and Pollution Research

Core rhizosphere microbiomes of dryland wheat are influenced by location and land-use history – Daniel C Schlatter et al. – Applied and Environmental Microbiology

Water and extremophile microbiome

Single molecule sequencing reveals response of manganese-oxidizing microbiome to different biofilter media in drinking water systems – Xin Zhao et al. – Water Research

Prokaryotic Population Dynamics and Viral Predation in a Marine Succession Experiment Using Metagenomics – Jose M. Haro-Moreno et al. – Frontiers in Microbiology

Phages and viruses

News & Views: Phages build anti-defence barriers – Eugene V. Koonin & Mart Krupovic – Nature Microbiology

Microbes in the news

The Best Thing That Happened This Week: Dogs Rule Because They Drool – Sandy Hingston – Philadelphia Magazine

** A guide to the best probiotics – Louisa Richards/Katherine Marengo – Medical News Today

Having a Dog as a Child Is Tied to a Lower Risk of Schizophrenia as an Adult – Nicholas Bakalar – New York Times

Expanding virophage diversity – DOE/Joint Genome Institute

Microbes on the market

Carbiotix to partner with Italian university on neuroinflammation project – Nathan Gray – Nutraingredients

Human Microbiome Market is Expected to Touch US$ 1888.9 Mn by 2026 – Sheila Shipman – News Cast Report

The next frontier – Aaron Massecar – Today’s Veterinary Business

December 23, 2019

Posted on December 23, 2019 by Svetlana Ugarcina Perovic

In today’s digest read about the subway microbiome (from surface and air samples collected at 16 subway stations in Oslo, Norway), role of Staphylococcus epidermidis in healthy maturation of the nasal microbiome, effect of storage and time on urinary microbiome, and more. Happy Holidays!

General microbiome

The emergence of microbiome centres – Jennifer B. H. Martiny – Nature Microbiology

Subway microbiome

*The subway microbiome: seasonal dynamics and direct comparison of air and surface bacterial communities– Jostein Gohli – Microbiome

Gut microbiome

Engineered E. coli Nissle 1917 for the delivery of matrix-tethered therapeutic domains to the gut– Pichet Praveschotinunt – Nature Communications

Urinary microbiome

*The urinary microbiota composition remains stable over time and under various storage conditions – Caspar Bundgaard-Nielsen – bioRxiv

Vaginal microbiome

Review: Genetic Heterogeneity and Taxonomic Diversity among Gardnerella Species – Joana Castro – Trends in Microbiology

Nasal microbiome

*Staphylococcus epidermidis Contributes to Healthy Maturation of the Nasal Microbiome by Stimulating Antimicrobial Peptide Production – Qian Liu – Cell Host & Microbes

Animal microbiome

Characterization of the Pig Gut Microbiome and Antibiotic Resistome in Industrialized Feedlots in China – Chunlai Wang – mSystems

Animal experiments

Altered microbiota composition reflects enhanced communication in 15q11-13 CNV mice– Dian Eurike Septyaningtrias – Neuroscience Research

Plant/root/soil microbiome

Time after Time: Temporal Variation in the Effects of Grass and Forb Species on Soil Bacterial and Fungal Communities – S. Emilia Hannula – mBio

Habitat filtering shapes the differential structure of microbial communities in the Xilingol grassland– Jie Yang – Scientific Reports

Water microbiome

Metagenomic Insights into the Effects of Seasonal Temperature Variation on the Activities of Activated Sludge– Chenbing Ai – Microorganisms

Viruses

Plant virome reconstruction and antiviral RNAi characterization by deep sequencing of small RNAs from dried leaves – Victor Golyaev – Scientific Reports

Bioinformatics

Identifying the causes and consequences of assembly gaps using a multiplatform genome assembly of a bird-of-paradise – Valentina Peona – bioRxiv

Transcriptome assembly from long-read RNA-seq alignments with StringTie2– Sam Kovaka – Genome Biology

Deconvoluting the diversity of within-host pathogen strains in a multi-locus sequence typing framework – Guo Liang Gan – BMC Bioinformatics

The Generalized Matrix Decomposition Biplot and Its Application to Microbiome Data – Yue Wang – mSystems

December 20, 2019

Posted on December 20, 2019 by xinhuang7

This may be our last edition of the Microbiome Digest before the holidays kick in. A rich and dynamic Digest brings you all things microbiome (apologies for the tight formatting). An encouraging report on how we can reduce antimicrobial resistance organically, an amazing recovery of a human genome and an oral microbiome from chewed birch pitch thousands of years ago, and a network analysis reveals four levels of hierarchical trophic interactions in the human gut microbiome. Enjoy Reading and Happy Holidays!

Events

BMC Medicine’s upcoming collection, New Frontiers in Diagnosis, Treatment and Management of Neuromuscular Disorders, is soliciting submissions.

Danone North America Announces 2019-2020 Gut Microbiome, Yogurt and Probiotics Fellowship Grant – Danone North America

Current Issue of The ISME Journal

The 9th Gut Microbiota for Health World Summit – March 7 and 8 2020 in Madrid, Spain

General microbiology

Depletion of microbiome-derived molecules in the host using Clostridium genetics – Chun-Jun Guo et al. – Science

Microbial carbon limitation ‐ the need for integrating microorganisms into our understanding of ecosystem carbon cycling – Jennifer L. Soong et al. – Global Change Biology

High-order interactions distort the functional landscape of microbial consortia – Sanchez-Gorostiaga & Bajić et al. – PLoS Biology

Antimicrobial resistance

** Significant reduction of vancomycin resistant E. faecium in the Norwegian broiler population coincided with measures taken by the broiler industry to reduce antimicrobial resistant bacteria – Roger Simm et al. – PLoS One

Preprint: Genomic analysis of carbapenemase-encoding plasmids from Klebsiella pneumoniae across Europe highlights three major patterns of dissemination – Sophia David et al. – bioRxiv

Human skin microbiome

The diversity and abundance of fungi and bacteria on the healthy and dandruff affected human scalp – Sally G. Grimshaw et al. – PLoS One

Human oral microbiome

** A 5700 year-old human genome and oral microbiome from chewed birch pitch – Theis Z. T. Jensen et al. – Nature Communications

Press: Ancient “Chewing Gum” Reveals a 5,700-Year-Old Microbiome – Jim Daley – Scientific American

Human respiratory microbiome

The upper-airway microbiota and loss of asthma control among asthmatic children – Yanjiao Zhou et al. – Nature Communications

Press: Child asthma flare-ups coincide with microbiome changes – JULIA EVANGELOU STRAIT-WUSTL – Futurity

Press: Asthma severity linked to microbiome of upper airway – MedicalXpress

Human gut microbiome

Differences in the intestinal microbiome of healthy children and patients with newly diagnosed Crohn’s disease – Kinga Kowalska-Duplaga et al. – Scientific Reports

Obesity and disease severity magnify disturbed microbiome-immune interactions in asthma patients – David Michalovich et al. – Nature Communications

Functional Associations between Gut Microbiome and Bone Health Status in Post-Menopausal Women: A Cross-Sectional Study – Bolaji Lilian Ilesanmi-Oyelere et al. – Proceedings

The microbiota composition of the offspring of patients with gestational diabetes mellitus (GDM) – Valentina Ponzo et al. – PLoS One

Differences in Fecal Microbiomes and Metabolomes of People With vs Without Irritable Bowel Syndrome and Bile Acid Malabsorption – Jeffery& Das et al. – Gastroenterology

Human vaginal microbiome

Characterization of vaginal microbiota in women with preterm labor with intra-amniotic inflammation – Teresa Cobo et al. – Scientific Reports

Human gut-microbiota-brain axis

Review: Tryptophan Metabolism: A Link Between the Gut Microbiota and Brain – Kan Gao et al. – Advances in Nutrition

Cancer microbiome

Preprint: Growth rate alterations of human colorectal cancer cells by 157 gut bacteria – Rahwa Taddese et al. – bioRxiv

Metabolomics

Metabolomics analysis of human acute graft-versus-host disease reveals changes in host and microbiota-derived metabolites – David Michonneau et al. – Nature Communications

** Integrated univariate, multivariate and correlation-based network analyses reveal metabolite-specific effects on bacterial growth and biofilm formation in necrotizing soft tissue infections – MUHAMMAD AFZAL et al. – Journal of Proteome Research

The total microbiome functions in bacteria and fungi – Robert Starke et al. – Journal of Proteomics

Animal experiments

Circadian misalignment alters insulin sensitivity during the light phase and shifts glucose tolerance rhythms in female mice – Li-Xin Zhong et al. – PLoS One

Polysaccharide from Rosa roxburghii Tratt fruit attenuates hyperglycemia, hyperlipidemia and regulates colon microbiota in diabetic db/db mice – Lei Wang et al. – Journal of Agricultural and Food Chemistry

Animal microbiome

Review: Beneath the surface: community assembly and functions of the coral skeleton microbiome – Francesco Ricci et al. – Microbiome

Impacts of florfenicol on the microbiota landscape and resistome as revealed by metagenomic analysis – Qifan Zeng et al. – Microbiome

Microbial diversity within the digestive tract contents of Dezhou donkeys – Guiqin Liu et al. – PLoS One

An inter-island comparison of Darwin’s finches reveals the impact of habitat, host phylogeny, and island on the gut microbiome – Wesley T. Loo et al. – PLoS One

Plant, root and soil microbiome

Endophytic Microbiome of Biofuel Plant Miscanthus sinensis (Poaceae) Interacts with Environmental Gradients – Chao-Li Huang et al. – Microbial Ecology

Short-term nitrogen fertilization affects microbial community composition and nitrogen mineralization function in an agricultural soil – Ouyang & Norton – Applied and Environmental Microbiology

Root microbiomes as indicators of seagrass health – Belinda C Martin et al. – FEMS Microbiology Ecology

Water and extremophile microbiome

Microbial chemolithotrophy mediates oxidative weathering of granitic bedrock – Stephanie A. Napieralski et al. – PNAS

Integrating high-throughput sequencing and metagenome analysis to reveal the characteristic and resistance mechanism of microbial community in metal contaminated sediments – Changchun Yan et al. – Science of the Total Environment

Seasonal Variability of Conditionally Rare Taxa in the Water Column Bacterioplankton Community of Subtropical Reservoirs in China – Pascaline Nyirabuhoro et al. – Microbial Ecology

Phages and viruses

Diversity, evolution, and classification of virophages uncovered through global metagenomics – David Paez-Espino et al. – Microbiome

Discordant transmission of bacteria and viruses from mothers to babies at birth – Rabia Maqsood et al. – Microbiome

Technology

Applying indirect open-circuit calorimetry to study energy expenditure in gnotobiotic mice harboring different human gut microbial communities – Ilia G. Halatchev et al. – Microbiome

Manipulating rod-shaped bacteria with optical tweezers – Zheng Zhang et al. – Scientific Reports

** A metagenomic strategy for harnessing the chemical repertoire of the human microbiome – Sugimoto et al. – Science

Enrichment of specific microbial communities by optimum applied voltages for enhanced methane production by microbial electrosynthesis in anaerobic digestion – Flores-Rodriguez & Min – Bioresource Technology

Bioinformatics

Comprehensive analysis of chromosomal mobile genetic elements in the gut microbiome reveals phylum-level niche-adaptive gene pools – Xiaofang Jiang et al. – PLoS One

** Evidence for a multi-level trophic organization of the human gut microbiome – Tong Wang et al. – PLoS Computational Biology

Microbes in the news

Exposure to UVB light may lead to beneficial changes in the human gut microbiome: Study – Danielle Masterson – Nutraingredients

Mayo Clinic researchers look at post menopause as key factor in endometrial cancer – Eurekalert

In mice, a high-fat, high-sugar diet remodels the microbiome and endocannabinoid system – ASM – EurekAlert

Prescient Metabiomics and CoreBiome collaborating to develop breakthrough colon cancer screening test – P&T Community

The microbiome is fundamental to both health and disease – Fabian Brockotter – Poultry World

Low FODMAP Diet Helps IDB Patients – Kenny Walter – MDMAG

Coculturing of Mosquito‐Microbiome Bacteria Promotes Heme Degradation in Elizabethkingia anophelis – Jack Ganley et al. – ChemBioChem

** Mining metagenomics: A faster and more efficient method to compare metagenomes – Chinese Academy of Sciences – Phys.org

Oral Health: Caring for the Other Microbiome – Julia Peterman – Whole Foods Magazine

Is There a Link Between Migraine and the Gut Microbiome? – Sally Robertson – News Medical

Non-microbiology pick

Preprint: Grant reviewer perceptions of the quality and effectiveness of panel discussion – Stephen A Gallo et al. – bioRxiv

December 6, 2019

Posted on December 6, 2019 by Tulika Arora

Today’s post is about metabolic networks of the human gut microbiota with host, how aging affects microbial world in humans, microbiome in honey bee and lifestyle dependent gut microbiota gradients in diverse Indian population. Have a nice weekend!

General microbiome

Review: Metabolic networks of the human gut microbiota – Susannah Selber-Hnatiw – Microbiology

Review: Cannabinoids and the Microbiota‐Gut‐Brain‐Axis: Emerging Effects of Cannabidiol and Potential Applications to Alcohol Use Disorders – Hollis C. Karoly – Alcoholism Clinical and Experimental Research

Review: The Unexplored World of Human Virome, Mycobiome, and Archaeome in Aging – Oscar Salvador Barrera-Vázquez – Journal of Gerontology

Review: Nanotechnology intervention of the microbiome for cancer therapy – Wantong Song – Nature Nanotechnology

Commentary: Gut microbiome influences exercise response – Claire Greenhill – Nature Reviews Endocrinology

Human microbiome

Bacterial DNA induces the formation of heat-resistant disease-associated proteins in human plasma – Victor Tetz – Scientific Reports

Lifestyle induced microbial gradients: An Indian perspective – Rashmi Singh – Frontiers in Microbiology

Microbiota, type 2 diabetes and non-alcoholic fatty liver disease: protocol of an observational study – Benedetta M. Motta – Journal of Translational Medicine

Antibiotic exposure and the risk of colorectal adenoma and carcinoma: systematic review and meta‐analysis of observational studies – Leigh N. Sanyaolu – Colorectal Disease

Higher frequency of vertebrate‐infecting viruses in the gut of infants born to mothers with type 1 diabetes – Ki Wook Kim – Pediatric Diabetes

Animal experiments

Integrative analysis of the gut microbiota and metabolome in rats treated with rice straw biochar by 16S rRNA gene sequencing and LC/MS-based metabolomics – Jie Han – Scientific Reports

Division of labor in honey bee gut microbiota for plant polysaccharide digestion – Hao Zheng – PNAS

The effect of carbohydrate sources: Sucrose, invert sugar and components of mānuka honey, on core bacteria in the digestive tract of adult honey bees (Apis mellifera) – Michelle A. Taylor – PlosOne

Seven-day Green Tea Supplementation Revamps Gut Microbiome and Caecum/Skin Metabolome in Mice from Stress – Eun Sung Jung – Scientific Reports

Cattle intestinal microbiota shifts following Escherichia coli O157:H7 vaccination and colonization travel – Raies A. Mir – PlosOne

Characterization of the cecal microbiome composition of Wenchang chickens before and after fattening – Zhen Tan – PlosOne

SOD1 deficiency alters gastrointestinal microbiota and metabolites in mice – Haruka Sagi – Experimental Gerontology

Plant, soil, root microbiome

Host-mediated microbiome engineering (HMME) of drought tolerance in the wheat rhizosphere – Michael D. Jochum – PlosOne

Arctic tundra soil bacterial communities active at subzero temperatures detected by stable isotope probing – Preshita S. Gadkari – FEMS Microbiology Ecology

Techniques

Comparison of extraction methods for recovering ancient microbial DNA from paleofeces – Richard W. Hagan – American Journal of Physical Anthropology

Microbes in the news

How Microbiomes Affect Fear – Quanta Magazine

Rainforest Dwellers and Urbanites Have Consistently Different Microbiomes – Scientific American

Human Microbiome Modulators Market is Furbishing worldwide with Bayer, BioGaia, Chr. Hansen Holding, DowDuPont – News Description

November 23, 2019

Posted on November 23, 2019 by Svetlana Ugarcina Perovic

In today’s digest read about the Darobactin (a new antibiotic that selectively kills Gram-negative pathogens by binding to the BamA protein, located in the external membrane of Gram-negative bacteria), temporal stability of the rumen microbiota, and Gardnerella species (Gardnerella leopoldii, G. swidsinskii, G. piotii, and G. vaginalis) in the vaginal microbiome. And, check out 2019 Holiday Gift Guide For Microbe Lovers. Happy weekend!

General microbiome

*A new antibiotic selectively kills Gram-negative pathogens – Yu Imai – Nature

Read the story behind the paper by Roberto Molar Candanosa, Northeastern University.

Gut microbiome

Review: The human gut bacteria Christensenellaceae are widespread, heritable, and associated with health – Jillian L. Waters & Ruth E. Ley – BMC Biology

The gut microbiota influences how circulating immune cells in humans change from one day to the next – Jonas Schluter – bioRxiv

Vaginal microbiome

*Resolution and Cooccurrence Patterns of Gardnerella leopoldii, G. swidsinskii, G. piotii, and G. vaginalis within the Vaginal Microbiome – Janet E. Hill – Infection and Immunity

Clinical validation of the Aptima Bacterial Vaginosis and Aptima Candida/Trichomonas Vaginitis Assays: results from a prospective multi-center clinical study – Jane R. Schwebke – Journal of Clinical Microbiology

Review: Understanding and interpreting community sequencing measurements of the vaginal microbiome – HL Berman – BJOG : an International Journal of Obstetrics and Gynaecology

Endocervical microbiome

Diversity of endocervical microbiota associated with genital Chlamydia trachomatis infection and infertility among women visiting obstetrics and gynecology clinics in Malaysia – Heng Choon Cheong – PlosOne

Uterine microbiome

Does dysbiotic endometrium affect blastocyst implantation in IVF patients? – Tomoko Hashimoto & Koichi Kyono – Journal of Assisted Reproduction and Genetics

Oral microbiome

Oral microbial community composition is associated with pancreatic cancer: A case‐control study in Iran – Emily Vogtmann – Cancer Medicine

Animal microbiome

*Temporal stability of the rumen microbiota in beef cattle, and response to diet and supplements – Timothy J. Snelling – Animal Microbiome

Development of the duodenal, ileal, jejunal and caecal microbiota in chickens – Laura Glendinning – Animal Microbiome

Mammary microbiome of lactating organic dairy cows varies by time, tissue site, and infection status – Tucker Andrews – PlosOne

Inulin improves the egg production performance and affects the cecum microbiota of laying hens – Hongmei Shang – International Journal of Biological Macromolecules

Animal experiments

Effects of Debaryomyces hansenii treatment on intestinal mucosa microecology in mice with antibiotic-associated diarrhea – Ao Zeng – PlosOne

Microbe-metabolite associations linked to the rebounding murine gut microbiome post-colonization with vancomycin resistant Enterococcus faecium – Andre Mu – bioRxiv

Hepatitis B Virus Infection Alters Gut Microbiota Composition in Mice – Qingfeng Zhu – Front. Cell. Infect. Microbiol.

Human Gut Microbiome Transplantation in Ileitis Prone Mice: A Tool for the Functional Characterization of the Microbiota in Inflammatory Bowel Disease Patients – Abigail R Basson – Inflammatory Bowel Diseases

Effects of an Escherichia coli exopolysaccharide on human and mouse gut microbiota in vitro – Baiyuan Li – International Journal of Biological Macromolecules

Ion Transport Basis of Diarrhea in a Mouse Model of Adoptive T Cell Transfer Colitis – Dulari Jayawarden – Digestive Diseases and Sciences

Water microbiome

Rewetting of three drained peatlands drives congruent compositional changes in pro- and eukaryotic microbiomes through environmental filtering – Micha Weil – bioRxiv

Phages and viruses

Herpes Simplex Virus Infection, Acyclovir and IVIG Treatment All Independently Cause Gut Dysbiosis – Chandran Ramakrishna – bioRxiv

Svetlana’s pick

Gift guide for this holiday season!
by Justine Dees

November 11, 2019

Posted on November 11, 2019 by Tulika Arora

Monday’s morning digest is all about interesting updates in microbiome field – real time sampling of international travelers to study antibiotic resistant bacteria, new techniques on using rectal swabs instead of fecal samples to study infant microbiota, 16srRNA gene sequencing for strain level identification and if neutraceutical consumption helps in multiple sclerosis! Finally some interesting review articles on microbial ecology in wine making and a Movember month featured article on association of gut microbiome with men’s sexual health. Enjoy reading!

General microbiome

From the vineyard to the winery: how microbial ecology drives regional distinctiveness of wine – Di Liu – Frontiers in Microbiology

The Gut Microbiome and Men’s Sexual Health – Mohamad M. Osman – Current Sexual Heath Reports

Antibacterial Soaps and Other Cleaners May Actually Be Aiding in the Development of Super Bacteria – Shimon Shatzmiller – Pharmacology, Toxicology and Pharmaceutics

Dietary lipids, gut microbiota and lipid metabolism – Marc Schoeler – Reviews in Endocrine and Metabolic Disorders

Human microbiome

Functional characterisation of gut microbiota and metabolism in Type 2 diabetes indicates that Clostridiales and Enterococcus could play a key role in the disease – Marina Mora-Ortiz – BioRxiv

Real-time sampling of travelers shows intestinal colonization by multidrug-resistant bacteria to be a dynamic process with multiple transient acquisitions – A. Kantele – BioRxiv

A multi-omic cohort as a reference point for promoting a healthy human gut microbiome – Zhuye Jie – BioRxiv

Antimicrobial resistance gene prevalence in a population of patients with advanced dementia is related to specific pathobionts – Aislinn D. Rowan-Nash – BioRxiv

Genomic characterization of the non-O1/non-O139 Vibrio cholerae strain that caused a gastroenteritis outbreak in Santiago, Chile, 2018 – Mónica Arteaga – BioRxiv

Molecular Reconstruction of the Diet in Human Stool Samples – Frank Maixner – mSystems

Infant microbiome

Impacts of Delivery Mode on Very Low Birth Weight Infants’ Oral Microbiome – Hongping Li – Pediatrics and Neonatology

Biomarker Research in ADHD: the Impact of Nutrition (BRAIN) – study protocol of an open-label trial to investigate the mechanisms underlying the effects of a few-foods diet on ADHD symptoms in children – Tim Stobernack – BMJ Open

Immunometabolic approaches to prevent, detect, and treat neonatal sepsis – Maria Giulia Conti – Pediatric Research

Rectal swabs are a reliable proxy for faecal samples in infant gut microbiota research based on 16S-rRNA sequencing – Marta Reyman – Scientific Reports

Gut microbiome of treatment-naïve MS patients of different ethnicities early in disease course – R. E. Ventura – Scientific Reports

Animal experiments

Vasoactive intestinal peptide deficiency is associated with altered gut microbiota communities in male and female C57BL/6 mice – Manpreet Bains – Frontiers in Microbiology

Metabolic analysis of regionally distinct gut microbial communities using an in vitro platform – Jenni Firrman – Agricultural and Environmental Chemistry

Effect of Diet on the Enteric Microbiome of the Wood-Eating Catfish Panaque nigrolineatus – Harold J. Schreier – Frontiers in Microbiology

A high-fat/high-protein, Atkins-type diet exacerbates Clostridioides (Clostridium) difficile infection in mice, whereas a high-carbohydrate diet protects – Chrisabelle C. Mefferd – BioRxiv

Plant, soil, root microbiome

Effects of repeated applications of urea with DMPP on ammonia oxidizers, denitrifiers, and non-targeted microbial communities of an agricultural soil in Queensland, Australia – Aineah Obed Luchibia – Applied Soil Ecology

Covariation of diet and gut microbiome in African megafauna – Tyler R. Kartzinel – PNAS

Fungal communities resist recovery in sand mine restoration – Miranda Hart – Frontiers in Forest and Global Change

Microbial community structure and ecology in sediments of a pristine mangrove forest – C.O.Santana – BioRxiv

Bridging the gap between single-strain and community-level plant-microbe chemical interactions – Bridget O’Banion – Molecular Plant-Microbe Interactions

A brief from the leaf: latest research to inform our understanding of the phyllosphere microbiome – Johan HJ Leveau – Current Opinion in Microbiology

Water microbiome

Metabolic and biogeochemical consequences of viral infection in aquatic ecosystems – Amy E. Zimmerman – Nature Reviews Microbiology

Down to the bone: the role of overlooked endolithic microbiomes in reef coral health – Mathieu Pernice – ISME Journal

Differential responses of stream water and bed sediment microbial communities to watershed degradation – Hehuan Liao – Environment International

B12 production by marine microbial communities and Dinoroseobacter shibae continuous cultures under different growth and respiration rates – Josue Villegas-Mendoza – Aquatic Microbial Ecology

Quantifying the contribution of microbial immigration in engineered water systems – Ran Mei – Microbiome

Microbial community rearrangements in power-to-biomethane reactors employing mesophilic biogas digestate – Norbert Ács – Frontiers in Energy Research

Techniques

Evaluation of 16S rRNA gene sequencing for species and strain-level microbiome analysis – Jethro S. Johnson – Nature Communications

AMR – An R Package for Working with Antimicrobial Resistance Data – Matthijs S. Berends – BioRxiv

Probiotics Prebiotics

The effect of emerging nutraceutical interventions for clinical and biological outcomes in multiple sclerosis: A systematic review – Wolfgang Marx – Multiple Sclerosis and Related Disorders

Resveratrol treatment improves the altered metabolism and related dysbiosis of gut programed by prenatal high-fat diet and postnatal high-fat diet exposure – Yi-Chuan Huang – The Journal of Nutritional Biochemistry

The effects of inulin on gut microbial composition: a systematic review of evidence from human studies – Quentin Le Bastard – European Journal of Clinical Microbiology & Infectious Diseases

October 26, 2019

Posted on October 26, 2019 by Kiran

Highlights: Bacterial communities in aquaculture, crocodiles, tadpoles, mushrooms, coasts, sports facilities; viruses; standardization issues of human microbiome research; some cool events and news hot off the press!

Events and jobs

2019 Genome Center Halloween Symposium – 31/10/2019 – UCD, USA

MB Seminar: Marine Host-Microbiome Interactions: Challenges and Opportunities (Dr. Jonathan Eisen, UC Davis) – 22/11/2019 – UCSD, USA

General microbiome

Metabolic specializations within a bacterial community to create living rocks – Samantha C Waterworth – bioRxiv

Analysis of bacterial microbiome associated with nylon and copper nets in an aquaculture context – Paula Canada – Aquaculture

The gut-eye-lacrimal gland-microbiome axis in Sjögren Syndrome – Claudia M. Trujillo-Vargas – The Ocular Surface

Multi-site human microbiome

DNA extraction for human microbiome studies: the issue of standardization – K. Leigh Greathouse Genome Biology

Storage media and not extraction method has the biggest impact on recovery of bacteria from the oral microbiome – Xiaoyan Zhou – Nature

Factors contributing to interindividual variation in retronasal odor perception from aroma glycosides: the role of odorant sensory detection threshold, oral microbiota and hydrolysis in saliva – Mango Parker – ACS

Animal experiments

Contribution of fungal microbiome to intestinal physiology, early-life immune development and mucosal inflammation in mice – Erik van Tilburg Bernardes – bioRxiv

Animal microbiome

Gut microbiota structure differs between honey bees in winter and summer – Lucie Kešnerová – bioRxiv

Characterisation of the intestinal microbiota of commercially farmed saltwater crocodiles, Crocodylus porosus – Nicky-Lee Willson – Applied Microbiology and Biotechnology

Changes in intestinal microbial community of Rana chensinensis tadpoles during metamorphosis – Hongyu Yang – Aquaculture

Plant, root, and soil microbiome

Impact of agro-farming activities on microbial diversity of acidic red soils in a Camellia Oleifera Forest – Jun Li – Revista Brasileira de Ciência do Solo

A horizon scan of priorities for coastal marine microbiome research – Stacey M. Trevathan-Tackett – Nature

Water and extremophile microbiome

Effects of disinfection efficiency on microbial communities and corrosion processes in drinking water distribution systems simulated with actual running conditions – Ying Zhu – Journal of Environmental Sciences

Built environment

Microbial diversity of bioaerosol inside sports facilities and antibiotic resistance of isolated Staphylococcus spp. – Marta Małecka-Adamowicz – Aerobiologia

Food microbiology

Comparing approaches for capturing bacterial assemblages 2 associated with symptomatic (bacterial blotch) and asymptomatic 3 mushroom (Agaricus bisporus) caps – Samuel J. Martins – APS

Comprehensive Understanding of the Bacterial Populations and Metabolites Profile of Fermented Feed by 16S rRNA Gene Sequencing and Liquid Chromatography–Mass Spectrometry – Wei Jin – MDPI Metabolites

Phages and viruses

Viruses RIG up intestinal immunity – Sanghyun Lee – Nature Immunology

Gut DNA Virome Diversity and Its Association with Host Bacteria Regulate Inflammatory Phenotype and Neuronal Immunotoxicity in Experimental Gulf War Illness – Ratanesh K Seth – MDPI Viruses

Viral quasispecies – Esteban Domingo – PLoS Genetics

Techniques

Effective application of machine learning to microbiome-based classification problems – Begüm D. Topçuoğlu – bioRxiv

LEMMI: A continuous benchmarking platform for metagenomics classifiers – Mathieu Seppey – bioRxiv

Microbes in the news

Even the Fetus Has Gut Bacteria, Study Shows – News Wise

Tropical Air Microbiome Analysis Reveals Daily Cycle, Environmental Drivers – genomeweb

Global Microbiome Sequencing Market – Yahoo

How our day-to-day food intake shapes our gut microbiota – Gut microbiota for health

Tracking down the functions of the microbiome – phys.org

Unhealthy gut microbiome reduces brain synaptic pruning, impairs learning – News Medical

Harnessing the Power of Microbes to Fight Cancer – Medscape.com

September 30, 2019

Posted on September 30, 2019 by Tulika Arora

Monday morning digest covers exciting updates in microbiome with – meta analysis on role of probiotics in human depression , stool banking guidelines for fecal microbiota transplant, expert view on translation of gut microbiome to clinics and a historical peek into use of ceramic baby milk bottles in prehistoric times. Enjoy reading!

General microbiome

Translating the gut microbiome: ready for the clinic? – Susan V. Lynch – Nature Reviews Gatroenterology and Hepatology

Uterine immunity and microbiota: A shifting paradigm – Chiara Agostinis – Frontiers in Immunology

Human microbiome

Cigarette smoking and oral microbiota in low-income and African-American populations – Yaohua Yang – Journal of Epidemiology and Community Health

International consensus conference on stool banking for faecal microbiota transplantation in clinical practice – Giovanni Cammarota – Gut

Animal experiments

The intestinal microbiota programs diurnal rhythms in host metabolism through histone deacetylase 3 – Zheng Kuang – Science

Transfusional iron overload and intravenous iron infusions modify the mouse gut microbiota similarly to dietary iron – Francesca La Carpia – Biofilms and Microbiomes

Proteome modifications of gut microbiota in mice with activity-based anorexia and starvation: Role in ATP production – Jonathan Breton – Nutrition

Molecular ecology of the yet uncultured bacterial Ct85-cluster in the mammalian gut – Ulla Hynönen – Anaerobe

Intestinal inflammation increases convulsant activity and reduces antiepileptic drug efficacy in a mouse model of epilepsy – Carmen De Caro – Scientific Reports

The fecal resistome of dairy cattle is associated with diet during nursing – Jinxin Liu – Nature Communications

Neohesperidin Prevents Colorectal Tumorigenesis by Altering the Gut Microbiota – Yanling Gong – Pharmacological Research

Changes of serum lipopolysaccharide, inflammatory factors, and cecal microbiota in obese rats with type 2 diabetes induced by Roux-en-Y gastric bypass – Jiao Wu – Nutrition

Plant, root, soil microbiome

A bioinformatics guide to plant microbiome analysis – Rares Lucaciu – Frontiers in Plant Science

Beyond pathogens: microbiota interactions with the plant immune system – Paulo José PL Teixeira – Current Opinion in Microbiology

Water microbiome

Microbial communities of the Mediterranean rocky shore: ecology and biotechnological potential of the sea‐land transition – Esther Molina-Menor – Microbial Biotechnology

Probiotics

Bacillus coagulans R11 maintained intestinal villus health and decreased intestinal injury in lead-exposed mice by regulating the intestinal microbiota and influenced the function of faecal microRNAs – Si-Cheng Xing – Environmental Pollution

Effect of probiotics on depressive symptoms: A meta-analysis of human studies – Kah Kheng Goh – Psychiatry Research

Non Microbiology Picks

Milk of ruminants in ceramic baby bottles from prehistoric child graves – J. Dunne – Nature

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Microbiome Digest – Bik's Picks

A daily digest of scientific microbiome papers, by the MD team. Founded by Elisabeth Bik, microbiome and science integrity consultant. Twitter: @microbiomdigest

Category Archives: Human oral

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