April 13, 2019

In today’s digest read about diverse population of bacteria and fungi on the International Space Station, how antidepressants affect gut microbiota, and check out a new framework for comparing and assessing taxonomic profilers (OPAL). Happy weekend!

Vaginal microbiome

Defining characteristics of genital health in South African adolescent girls and young women at high risk for HIV infection – Smritee Dabee – PlosOne

Detection of ureaplasmas and bacterial vaginosis associated bacteria and their association with non-gonococcal urethritis in men – Maria Frølund – PlosOne

Group B streptococcal screening, intrapartum antibiotic prophylaxis, and neonatal early-onset infection rates in an Australian local health district: 2006-2016 – Kathryn Braye – PlosOne

Gut microbiome

Long-term benefit of Microbiota Transfer Therapy on autism symptoms and gut microbiota – Dae-Wook Kang – Scientific Reports

The Prevotella copri complex comprises four distinct clades that are underrepresented in Westernised populations – Adrian Tett – bioRxiv

Fecal short-chain fatty acids are not predictive of colonic tumor status and cannot be predicted based on bacterial community structure – Marc A. Sze – bioRxiv

Evidence for a multi-level trophic organization of the human gut microbiome – Tong Wang – bioRxiv

Animal microbiome

Comparative analysis of amplicon and metagenomic sequencing methods reveals key features in the evolution of animal metaorganisms – Philipp Rausch – bioRxiv

Metagenomic Analysis of the Whole Gut Microbiota in Brazilian Termitidae Termites Cornitermes cumulans, Cyrilliotermes strictinasus, Syntermes dirus, Nasutitermes jaraguae, Nasutitermes aquilinus, Grigiotermes bequaerti, and Orthognathotermes mirim – Maria B. Grieco – Current Microbiolgy

The sponge microbiome within the greater coral reef microbial metacommunity – Daniel F. R. Cleary – Nature Communications

Insights into the intestinal microbiota of several aquatic organisms and association with the surrounding environment – Fulin Sun – Aquaculture

Animal experiments

*Antidepressants affect gut microbiota and Ruminococcus flavefaciens is able to abolish their effects on depressive-like behavior – Iva Lukić – Translational Psychiatry

Chronic paradoxical sleep deprivation-induced depression­like behavior, energy metabolism and microbial changes in rats – Weini Ma – Life Sciences

Ability of bifidobacteria to metabolize chitin-glucan and its impact on the gut microbiota – Giulia Alessandri – Scientific Reports

Probiotics

Fasting breath H2 and gut microbiota metabolic potential are associated with the response to a fermented milk product in irritable bowel syndrome – Boris Le Nevé – PlosOne

Lactobacillus fermentum and Lactobacillus plantarum increased gut microbiota diversity and functionality, and mitigated Enterobacteriaceae, in a mouse model – C. Linninge – Beneficial Microbes

Complex responses to inflammatory oxidants by the probiotic bacterium Lactobacillus reuteri – Poulami Basu Thaku – bioRxiv

Plant/root/soil microbiome

Urban traffic changes the biodiversity, abundance, and activity of phyllospheric nitrogen-fixing bacteria – Yang Li – Environmental Science and Pollution Research

Comparative analysis of the rhizomicrobiome of the wild versus cultivated crop: insights from rice and soybean – Shaohua Shi – Archives of Microbiology

Copper and zinc in rhizospheric soil of wild plants growing in long-term acid vineyard soils – C.Campillo-Cora – Science of The Total Environment

Review: Soil microbiome: a key player for conservation of soil health under changing climate – Anamika Dubey – Biodiversity and Conservation

Rhizosphere microbiota compositional changes reflect potato blackleg disease – Lutian Mao – Applied Soil Ecology

Pseudomonas urumqiensis sp. nov., isolated from rhizosphere soil of Alhagi sparsifolia – Yuanyuan Zou – International Journal of Systematic and Evolutionary Microbiology

Insights gained from metagenomic shotgun sequencing of apple fruit epiphytic microbiota – Dario Angeli – Postharvest Biology and Technology

Extremophile microbiome

*Characterization of the total and viable bacterial and fungal communities associated with the International Space Station surfaces – Aleksandra Checinska Sielaff – Microbiome

Techniques

Review: Untargeted LC/MS-based metabolic phenotyping (metabonomics/metabolomics): The state of the art – Helen Gika – Journal of Chromatography B

Bioinformatics

*Assessing taxonomic metagenome profilers with OPAL – Fernando Meyer – Genome Biology

Analysis of error profiles in deep next-generation sequencing data – Xiaotu Ma – Genome Biology

clonealign: statistical integration of independent single-cell RNA and DNA sequencing data from human cancers – Kieran R. Campbell – Genome Biology

RnBeads 2.0: comprehensive analysis of DNA methylation data – Fabian Müller – Genome Biology

Review: Big data analytics for personalized medicine – Davide Cirillo and Alfonso Valencia – Current Opinion in Biotechnology

Meta-network: optimized species-species network analysis for microbial communities – Pengshuo Yang – BMC Genomics

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April 1, 2019

In today’s digest read about covert pathogenesis in urinary tract, microbial fuel cells in treatment of organic acid fermentation wastewater, gut microbial metabolism in weanling pigs, and more. Enjoy!

Urinary microbiome

*Covert pathogenesis: Transient exposures to microbes as triggers of disease – Nicole M. Gilbert, Amanda L. Lewis – PlosPathogens

Evaluation of antibacterial efficacy of sulfur nanoparticles alone and in combination with antibiotics against multidrug-resistant uropathogenic bacteria – Priti Paralikar – Journal of Environmental Science and Health, Part A

Review: A Comprehensive Review of Overactive Bladder Pathophysiology: On the Way to Tailored Treatment – Benoit Peyronnet – European Urology

Vaginal microbiome

Effect of progesterone on Candida albicans biofilm formation under acidic conditions: a transcriptomic analysis – Bruna Gonçalves – bioRxiv

Skin microbiome

Cutibacterium acnes antibiotic production shapes niche competition in the human skin microbiome – Jan Claesen – bioRxiv

Neutral Processes Drive Seasonal Assembly of the Skin Mycobiome – Xinzhao Tong – mSystems

Gut Microbiome

The Perturbation of Infant Gut Microbiota Caused by Cesarean Delivery Is Partially Restored by Exclusive Breastfeeding – Yu Liu – Frontiers in Microbiology

Gut Microbiome Functional and Taxonomic Diversity within an Amazonian semi-nomadic hunter-gatherer group – Liliane Costa Conteville – bioRxiv

Risk of inflammatory bowel disease after Campylobacter jejuni and Campylobacter concisus infection: a population-based cohort study – Hans Mittle Nielsen – Scandinavian Journal of Gastroenterology

Unilateral ureteral obstruction causes gut microbial dysbiosis and metabolome disorders contributing to tubulointerstitial fibrosis – Lin Chen – Experimental & Molecular Medicine

Oral microbiome

Polymicrobial synergy within oral biofilm promotes invasion of dendritic cells and survival of consortia members – Ahmed El-Awady – Biofilms and Microbiomes

Animal microbiome

*Metagenomic reconstructions of gut microbial metabolism in weanling pigs – Weilan Wang – Microbiome

Probiotics/Prebiotics

Strain-level diversity of commercial probiotic isolates of Bacillus, Lactobacillus, and Saccharomyces species illustrated by molecular identification and phenotypic profiling – Juliana M. Ansari – PlosOne

Biosurfactant Production by Lactic Acid Bacterium Pediococcus dextrinicus SHU1593 Grown on Different Carbon Sources: Strain Screening Followed by Product Characterization – Abouzar Ghasemi – Scientific Reports

Phages and viruses

Bacteriophage adherence to mucus mediates preventive protection against pathogenic bacteria – Gabriel MF Almeida – bioRxiv

Review: The gut virome: the ‘missing link’ between gut bacteria and host immunity? – Indrani Mukhopadhya – Therapeutic Advances in Gastroenterology

Soil microbiome

Shift of the microbial communities from exposed sandstone rocks to forest soils during pedogenesis – Yaping Liu – International Biodeterioration & Biodegradation

Water and extremophile microbiome

Startup, performance, and microbial communities of an anammox reactor inoculated with indigenous sludge for the treatment of high-salinity and mesophilic underground brine – Nobuyuki Yokota – Clean Technologies and Environmental Policy

*Power generation and microbial community analysis in microbial fuel cells: A promising system to treat organic acid fermentation wastewater – Tian Xia – Bioresource Technology

Techniques

Cultivating in situ triggers growth of previously uncultivated microorganisms via a growth initiation factor in nature – Dawoon Jung – bioRxiv

Bioinformatics

Library preparation and sequencing platform introduce bias in metagenomics characterisation of microbial communities – Casper S. Poulse – bioRxiv

March 20, 2019

Today’s digest features a longitudinal survey of maternal anti-viral antibodies in newborns that provides a blueprint for understanding infectious disease susceptibility, a detailed overview of antimicrobial resistance identification and characterization methods (from traditional antimicrobial susceptibility testing to recent deep-learning methods), and more. Happy reading!

Gut microbiome

Gut microbiota plasticity is correlated with sustained weight loss on a low-carb or low-fat dietary intervention – Jessica A Grembi – bioRxiv

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

*Neuronal programming by microbiota enables environmental regulation of intestinal motility – Yuuki Obata – bioRxiv

Probiotics

Growth Mode and Carbon Source Impact the Surfaceome Dynamics of Lactobacillus rhamnosus GG – Kirsi Savijoki – bioRxiv

Nasal microbiome

The nasal and oropharyngeal microbiomes of healthy livestock workers – Ashley E. Kates – PlosOne

Vaginal microbiome

Mini review: Vaginal microbiota transplantation for the treatment of bacterial vaginosis: a conceptual analysis – Dongwen Ma – FEMS Microbiology Letters

Comparative study of vulva and abdominal skin microbiota of healthy females with high and average BMI – Rebecca Vongsa – BMC Microbiology

Plant/root/soil microbiome

Biosurfactant production by a rhizosphere bacteria Bacillus altitudinis MS16 and its promising emulsification and antifungal activity – Madhurankhi Goswami & Suresh Deka – Colloids and Surfaces B: Biointerfaces

Microbial diversity and soil physiochemical characteristic of higher altitude – Saurabh Kumar – PlosOne

Water microbiome

Ecological processes underpinning microbial community structure during exposure to subinhibitory level of triclosan – Seungdae Oh – Scientific Reports

Microbial Ecology of Snow Reveals Taxa-Specific Biogeographical Structure – Shawn P. Brown & Ari Jumpponen – Microbial Ecology

Phages and viruses

*The repertoire of maternal anti-viral antibodies in human newborns – Christian Pou – Nature Medicine

Methods

*Review: Sequencing-based methods and resources to study antimicrobial resistance – Manish Boolchandani – Nature Reviews Genetics

March 6, 2019

In today’s digest read how DNA polymerase and number of rounds of amplification in PCR affect 16S rRNA gene sequence data, how urinary microbiota changes after Cesarean delivery, how diverse is microbial community of thermal pools in Kamchatka (Russia), and more. Enjoy!

General microbiome

Toward multiomics-based next-generation diagnostics for precision medicine – Qi Wang – Personalized Medicine

Pregnancy and early life

*Alterations in the Urinary Microbiota Are Associated With Cesarean Delivery
Fengping Liu – Frontiers in Microbiology

Antimicrobial susceptibility and serotype distribution of Streptococcus agalactiae recto-vaginal colonizing isolates from pregnant women at a tertiary hospital in Pretoria, South Africa: an observational descriptive study letter – Mohamed Said – bioRxiv

Gut microbiome

Interplay between the human gut microbiome and host metabolism – Alessia Visconti – bioRxiv

A decrease in iron availability to human gut microbiome reduces the growth of potentially pathogenic gut bacteria; an in vitro colonic fermentation study – Bhavika A Parmanand – The Journal of Nutritional Biochemistry

Volatile organic compounds emitted from faeces as a biomarker for colorectal cancer – Ashley Bond – Alimentary Pharmacology and Therapeutics

Animal experiments

Loading ceftriaxone, vancomycin, and Bifidobacteria bifidum TMC3115 to neonatal mice could differently and consequently affect intestinal microbiota and immunity in adulthood – RuYue Cheng – Scientific Reports

Probiotics/Prebiotics

Prebiotics from acorn and sago prevent high-fat-diet-induced insulin resistance via microbiome–gut–brain axis modulation – Shokouh Ahmadi – The Journal of Nutritional Biochemistry

Viruses

A Needle in A Haystack: Tracing Bivalve-Associated Viruses in High-Throughput Transcriptomic Data – Umberto Rosani – Viruses

Untargeted metabolomics analysis of the upper respiratory tract of ferrets following influenza A virus infection and oseltamivir treatment – David J. Beale – Metabolomics

Techniques

*The impact of DNA polymerase and number of rounds of amplification in PCR on 16S rRNA gene sequence data – Marc A Sze & Patrick D Schloss – bioRxiv

Utilisation of Ambient Laser Desorption Ionisation Mass Spectrometry (ALDI-MS) Improves Lipid-Based Microbial Species Level Identification – Simon J. S. Cameron – Scientific Reports

Animal microbiome

Characterization of the otic bacterial microbiota in dogs with otitis externa compared to healthy individuals – Juraj Korbelik – Veterinary Dermatology

Water and extremophile microbiome

*Metagenome-assembled genomes provide new insight into the microbial diversity of two thermal pools in Kamchatka, Russia – Laetitia G. E. Wilkins – Scientific Reports

February 13, 2019

Today’s digest features a study on leaf-associated microbiomes of grafted tomato plants, study that reveals the chemical “fingerprint” and contribution of Parasutterella to host health, and Everything Hertz podcast with episode “Promiscuous expertise”. Happy reading/listening!

Gut microbiome

A new genomic blueprint of the human gut microbiota – Alexandre Almeida – Nature

Population structure of human gut bacteria in a diverse cohort from rural Tanzania and Botswana – Matthew E. B. Hansen – Genome Biology

Disturbance of trace element and gut microbiota profiles as indicators of autism spectrum disorder: A pilot study of Chinese children – Qixiao Zhai – Environmental Research

*Defining the role of Parasutterella, a previously uncharacterized member of the core gut microbiota – Tingting Ju – The ISME Journal

Extensive transmission of microbes along the gastrointestinal tract – Thomas Sebastian Benedikt Schmidt – eLife

Bacterial interspecies interactions modulate pH-mediated antibiotic tolerance in a model gut microbiota – Andres Aranda-Diaz – bioRxiv

Skin microbiome

Review: Microbiosis in pathogenesis and intervention of atopic dermatitis – Jianhua Dou – International Immunopharmacology

Plant/root/soil microbiome

*Leaf-associated microbiomes of grafted tomato plants – Hirokazu Toju – Scientific Reports

Fungal Biodiversity of the Most Common Types of Polish Soil in a Long-Term Microplot Experiment – Jarosław Grządziel and Anna Gałązka – Frontiers in Microbiology

Podcast

*Episode 77: Promiscuous expertise – Dan Quintana and James Heathers – Everything Hertz [A great episode about scientists who claim to be a public authority on topics outside their area of expertise!]

February 1, 2019

Today’s digest is quite diverse: the respiratory microbiome networks in cystic fibrosis patients, ketogenic diet effects on the gut microbiota in children with severe epilepsy, and insect-associated Streptomyces (spoiler: inhibit antimicrobial-resistant pathogens more than soil Streptomyces). Happy reading!

General microbiome

Minireview: The signatures of microorganisms and of human and environmental biomes can now be used to provide evidence in legal cases – A H Bishop – FEMS Microbiology Letters

Transforming medicine with the microbiome – Niv Zmora – Science Translational Medicine

Gut microbiome

Gut intraepithelial T cells calibrate metabolism and accelerate cardiovascular disease – Shun He – Nature

*The ketogenic diet influences taxonomic and functional composition of the gut microbiota in children with severe epilepsy – Marie Lindefeldt – npj Biofilms and Microbiomes

Vaginal microbiome

Association between vaginal washing and vaginal bacterial concentrations – Michelle C. Sabo – PlosOne

Skin microbiome

Investigation of the Skin Microbiome: Swabs vs Biopsies – S. Prast‐Nielsen – British Journal of Dermatology

Oral microbiome

Carbonic Anhydrase 6 Gene Variation influences Oral Microbiota Composition and Caries Risk in Swedish adolescents – A. Esberg – Scientific Reports

Respiratory microbiome

*Microbiome networks and change-point analysis reveal key community changes associated with cystic fibrosis pulmonary exacerbations – Mehdi Layeghifard – npj Biofilms and Microbiomes

Plant/root/soil microbiome

Effects of long-term fertilization on soil organic carbon mineralization and microbial community structure – Zhen Guo – PlosOne

Water microbiome

Functional screening for triclosan resistance in a wastewater metagenome and isolates of Escherichia coli and Enterococcus spp. from a large Canadian healthcare region – Andrew Camero – PlosOne

Animal experiments

Cream Cheese-Derived Lactococcus chungangensis CAU 28 Modulates the Gut Microbiota and Alleviates Atopic Dermatitis in BALB/c Mice – Jong-Hwa Kim – Scientific Reports

Animal Microbiome

*The antimicrobial potential of Streptomyces from insect microbiomes – Marc G. Chevrette – Nature Communications

January 23, 2019

Today’s digest is about the distinct microbial networks within disturbed gut microbiome, multifaceted roles of Staphylococcus epidermidis in skin physiology, and high-throughput cultivation techniques. Happy reading!

Urinary microbiome

Review: The Microbiome and Genitourinary Cancer: A Collaborative Review – Mark C. Markowski – European Urology

Gut microbiome

*Microbial network disturbances in relapsing refractory Crohn’s disease – Bahtiyar Yilmaz – Nature Medicine

Alteration in gut microbiota associated with hepatitis B and non-hepatitis virus related hepatocellular carcinoma – Qisha Liu – Gut Pathogens

Human gut microbes are susceptible to antimicrobial food additives in vitro – Lucia Hrncirova – Folia Microbiologica

Taxonomic and functional composition of the small intestinal microbiome in neonatal calves provide a framework for understanding early life gut health – Nilusha Malmuthuge – Applied and Environmental Microbiology

Skin microbiome

*Microbial guardians of skin health – Apollo Stacy and Yasmine Belkaid – Science

Water microbiome

Comparison of microbial communities in the sediments and water columns of frozen cryoconite holes in the McMurdo Dry Valleys, Antarctica – Pacifica Sommers – Frontiers in Microbiology

Plant/root/soil microbiome

Invasive plant species identity affects soil microbial communities in a mesocosm experiment – Anna M. Stefanowicz – Applied Soil Ecology

Techniques

*High throughput cultivation-based screening on porous aluminum oxide chips allows targeted isolation of antibiotic resistant human gut bacteria – Dennis Versluis – PlosOne

*Cultivation-success of rare soil bacteria is not influenced by incubation time and growth medium – Viola Kurm – PlosOne