November 14, 2018

Today’s digest is about how dietary shifts and low gluten diet changes the intestinal microbiome, fecal microbiota transplant in intestinal disorders, characterization of the most abundant bacteriophage family in the human gut, and Raman spectroscopy based method for fast identification of antibiotic resistance bugs.

Human gut microbiome

Fecal microbiota transplantation for refractory immune checkpoint inhibitor-associated colitis – Yinghong Wang – Nature Medicine

A low-gluten diet induces changes in the intestinal microbiome of healthy Danish adults – Lea BS Hansen – Nature Communications

Resilience of human gut microbial communities for the long stay with multiple dietary shifts – Hong Liu – Gut

Microbiome and its relation to gestational diabetes – Ramon V. Cortez – Endocrine

Effect of bifidobacterium breve A-1 on anxiety and depressive symptoms in schizophrenia: A proof-of-concept study – Ryo Okubo – Journal of Affective Disorders

Fecal Akkermansia muciniphila Is Associated with Body Composition and Microbiota Diversity in Overweight and Obese Women with Breast Cancer Participating in a Presurgical Weight Loss Trial – Andrew D Fruge – Journal of the Academy of Nutrition and Dietetics

An Open-Labeled Study on Fecal Microbiota Transfer in Irritable Bowel Syndrome Patients Reveals Improvement in Abdominal Pain Associated with the Relative Abundance of Akkermansia Muciniphila – Cruz-Aguliar RM – Digestion

Animal experiments

Berberine alleviates insulin resistance by reducing peripheral branched-chain amino acids – Shi-Jun Yue – American Journal of Physiology Endocrinology and Metabolism

Air microbiome

A long-term survey unveils strong seasonal patterns in the airborne microbiome coupled to general and regional atmospheric circulations – Joan Cáliz – PNAS

Phages and viruses

ΦCrAss001 represents the most abundant bacteriophage family in the human gut and infects Bacteroides intestinalis – Andrey N Shkoporov – Nature Communications

Techniques

Quantifying and comparing bacterial growth dynamics in multiple metagenomic samples – Yuan Gao – Nature Methods

Dynamic linear models guide design and analysis of microbiota studies within artificial human guts – Justin D Silverman – Microbiome

Microbes in the news

Chinese scientists develop novel instrument for rapid profiling of antimicrobial resistance – EurekaAlert

Microbes on the market

Chr. Hansen Receives Joint Innovation Fund Grant to Develop Next Generation Microbial Solutions for Agriculture – Microbiome times

Non-microbiology picks

Remission of Human Type 2 Diabetes Requires Decrease in Liver and Pancreas Fat Content but Is Dependent upon Capacity for β Cell Recovery – Roy Taylor – Cell Metabolism

 

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November 7, 2018

There’s lots of new work to catch up on! Some highlights include the skin virome in patients with immune deficiency, a mechanism for host-microbe mutualism in zebrafish, ecological pressures in soil that lead to smaller genomes, and a book chapter about the future of microbial forensics.

General Microbiome
Genotype to phenotype: Diet-by-mitochondrial DNA haplotype interactions drive metabolic flexibility and organismal fitness – Wen C. Aw – PLOS Genetics

Antifungal immune responses: emerging host–pathogen interactions and translational implications – Vinod Kumar – Genome Medicine

Pregnancy and early life
Childhood Adversity Impact on Gut Microbiota and Inflammatory Response to Stress During Pregnancy. – Liisa Hantsoo – Brain, Behavior, and Immunity

Enabling precision medicine in neonatology, an integrated repository for preterm birth research – Marina Sirota – Scientific Data

Associations of birth mode with cord blood cytokines, white blood cells, and newborn intestinal bifidobacteria – Isabel Cristina Ribas Werlang – PLOS One

HPV infection and bacterial microbiota in breast milk and infant oral mucosa – Heidi Tuominen – PLOS One

Human skin microbiome
Expanded skin virome in DOCK8-deficient patients – Osnat Tirosh – Nature Medicine

Microbiological Profile of Sarecycline: A Novel Targeted Spectrum Tetracycline for the Treatment of Acne Vulgaris – George Zhanel – Antimicrobial Agents and Chemotherapy

Human vaginal microbiome
Preprint: Glycan cross-feeding drives mutualism between Fusobacterium and the vaginal microbiota – Kavita Agarwal – bioRxiv

Human multi-site microbiome
The altered human serum metabolome induced by a marathon – Zinandré Stander – Metabolomics

The unsolved problem of otitis media in indigenous populations: a systematic review of upper respiratory and middle ear microbiology in indigenous children with otitis media
Andrea Coleman
Microbiome

Human gut microbiome
An exploration of Prevotella-rich microbiomes in HIV and men who have sex with men – Abigail J. S. Armstrong – Microbiome

Safety and preliminary efficacy of orally administered lyophilized fecal microbiota product compared with frozen product given by enema for recurrent Clostridium difficile infection: A randomized clinical trial – Zhi-Dong Jiang – PLOS One

The long term effect of metabolic profile and microbiota status in early gastric cancer patients after subtotal gastrectomy – Xi-Hsuan Lin – PLOS One

Animal experiments
A bacterial immunomodulatory protein with lipocalin-like domains facilitates host–bacteria mutualism in larval zebrafish – Annah S Rolig – eLife

Gut microbiota and intestinal FXR mediate the clinical benefits of metformin – Lulu Sun – Nature Medicine

Interactions between Roseburia intestinalis and diet modulate atherogenesis in a murine model – Kazuyuki Kasahara – Nature Microbiology

Enteric infection coupled with chronic Notch pathway inhibition alters colonic mucus composition leading to dysbiosis, barrier disruption and colitis – Ishfaq Ahmed – PLOS One

Toxoplasma gondii infection triggers chronic cachexia and sustained commensal dysbiosis in mice – Jessica A. Hatter – PLOS One

Plant, root, and soil microbiome
Ecological selection for small microbial genomes along a temperate-to-thermal soil gradient – Jackson W. Sorensen – Nature Microbiology

Decomposition responses to climate depend on microbial community composition -Sydney I. Glassman – PNAS

The nanotechnology among US: are metal and metal oxides nanoparticles a nano or mega risk for soil microbial communities? – J. Parada – Critical Reviews in Biotechnology

Water and extremophile microbiome
Diversity and Coding Potential of the Microbiota in the Photic and Aphotic Zones of Tropical Man-Made Lake with Intensive Aquaculture Activities: a Case Study on Temengor Lake, Malaysia. – Nyok-Sean Lau – Microbial Ecology

Quantifying the changes in genetic diversity within sequence-discrete bacterial populations across a spatial and temporal riverine gradient – Alexandra Meziti – The ISME Journal

Probiotics
Anti-diabetic effects of Lactobacillus casei fermented-yogurt through re-shaping gut microbiota structure in type 2 diabetic rats – Ling Qu – Journal of Agricultural and Food Chemistry

Probiotics-fermented Massa Medicata Fermentata ameliorates weaning stress in piglets related to improving intestinal homeostasis – Yanbo Wang – Applied Microbiology and Biotechnology

Techniques
Impact of DNA extraction method and targeted 16S-rRNA hypervariable region on oral microbiota profiling – Fei Teng – Scientific Reports

Science career/training and publishing
Preprint: The CURE for Culturing Fastidious Microbes – Arundhati Bakshi – bioRxiv

Meeting Report: Current progress and future opportunities in applications of bioinformatics for biodefense and pathogen detection: report from the Winter Mid-Atlantic Microbiome Meet-up, College Park, MD, January 10, 2018. – Jacquelyn S. Meisel -Microbiome

In win for open access, two major funders won’t cover publishing in hybrid journals

Microbial Forensics
Book Chapter: Unique Individualistic Microflora: The Future of DNA Fingerprinting Technique – Pankaj Shrivastava – DNA Fingerprinting: Advancements and Future Endeavors

Alyson’s non-microbiology picks
Science candidates prevail in US midterm elections

October 18, 2018

Today’s digest covers articles on the potential of fecal microbiota transplant in obesity and Crohn’s disease, modeling approach to address interactions in simplified microbial community, news on antibiotic resistance and a gigantic single cell transcriptomics database encompassing twenty mouse organs!

General Microbiome

Integrated culturing, modeling and transcriptomics uncovers complex interactions and emergent behavior in a three-species synthetic gut community – Kevin D’hoe – eLife

The role of the lung microbiota and the gut‐lung axis in respiratory infectious diseases – Alexia Dumas – Cellular Microbiology

Gut microbiota and obesity: An opportunity to alter obesity through Fecal Microbiota Transplant (FMT) – Patrick Lee – Diabetes Obesity and Metabolism

Human gut microbiome

Probiotic supplementation restores normal microbiota composition and function in antibiotic-treated and in caesarean-born infants – Katri Korpela – Microbiome

Diversified gut microbiota in newborns of mothers with gestational diabetes mellitus – Minglian Su – PlosOne

Gut dysbiosis with Bacilli dominance and accumulation of fermentation products precedes late-onset sepsis in preterm infants – S Graspeuntner – Clinical Infectious Diseases

The Safety of Fecal Microbiota Transplantation for Crohn’s Disease: Findings from A Long-Term Study – Honggang Wang – Advances in Therapy

Animal experiments

Effect of dietary Spirulina (Arthrospira) platensis on the growth performance, antioxidant enzyme activity, nutrient digestibility, cecal microflora, excreta noxious gas emission, and breast meat quality of broiler chickens – J H Park – Poultry Science

Water and extremophile microbiome

Differential incorporation of one-carbon substrates among microbial populations identified by stable isotope probing from the estuary to South China Sea – Wenchao Deng – Scientific Reports

Prokaryotic Diversity and Distribution in Different Habitats of an Alpine Rock Glacier-Pond System – I. Mania – Microbial Ecology

Community composition of nitrous oxide reducing bacteria investigated using a functional gene microarray – A. Jayakumar – Deep Sea Research Part II: Topical Studies in Oceanography

Built environment

Microbial and Metabolic Succession on Common Building Materials Under High Humidity Conditions – Simon Lax – BioRxiv

Bioinformatics/Techniques

Designing metabolic division of labor in microbial communities – Meghan Thommes – BioRxiv

Population heterogeneity in microbial bioprocesses: origin, analysis, mechanisms, and future perspectives – Anna-Lena Heins – Bioprocess and Biosystems Engineering

Hydrogenotrophic methanogens of the mammalian gut: functionally similar, thermodynamically different. A modelling approach – Rafael Munoz-Tamayo – BioRxiv

Microbes in the news

Most burger chains fail on annual antibiotics report card – CNN

Sales of antibiotics for use in food-producing animals drop across the EU – European Medicine Agencies News

Non-microbiology picks

Single-cell transcriptomics of 20 mouse organs creates a Tabula Muris – The Tabula Muris Consortium – Nature

October 1, 2018

To kick off October, we have a Microbiome Digest filled with ecological approaches to microbial communities and techniques for analysis. Plus: what the Nobels are doing to encourage diversity, and what ecstasy does to octopuses. Happy reading!

General Microbiome
Neutral and selective dynamics in a synthetic microbial community. – Nate J. Cira – PNAS

Microbiomes as Metacommunities: Understanding Host-Associated Microbes through Metacommunity Ecology. – Elizabeth Theresa Miller – Trends in Ecology and Evolution

Clinician Guide to Microbiome Testing – Christopher Staley – Digestive Diseases and Sciences

Human Urinary Microbiome
NMR-based metabonomic approach reveals changes in the urinary and fecal metabolome caused by resveratrol. – Gabriela Torres Santiago – Journal of Pharmaceutical and Biomedical Analysis

Urinary microbes and postoperative urinary tract infection risk in urogynecologic surgical patients – Krystal J. Thomas-White – International Urogynecology Journal

Human Gut Microbiome
Metagenomic insights into resistant starch degradation by human gut microbiota. – Marius Vital – Applied and Environmental Microbiology

Pathogenic functions of host microbiota. – Silke Rath – Microbiome

Prebiotics and Probiotics in Digestive Health – Eamonn M.M. Quigley – Clinical Gastroenterology and Hepatology

Animal Experiments
Isolation and characterization of the Bacillus cereus BC7 strain, which is capable of zearalenone removal and intestinal flora modulation in mice. – Yue Wang – Toxicon

Sulfated Polysaccharide from Sea Cucumber and its Depolymerized Derivative Prevent Obesity in Association with Modification of Gut Microbiota in High‐Fat Diet‐Fed Mice – Zhenjun Zhu – Molecular Nutrition and Food Research

Animal Microbiome
Cultivable microbiome and its resistance to antimicrobials isolated from Zaprionus indianus – Graziele Aparecida Fernandes da Cruz – Environmental Monitoring and Assessment

Plant, root, and soil microbiome
Impact of weather conditions, leaf age and irrigation water disinfection on the major epiphytic bacterial genera of baby spinach grown in an open field – Pilar Truchado – Food Microbiology

Influence of light on plant – phyllosphere interaction – Sofia D. Carvalho – Frontiers in Plant Science

Techniques
PCR-based quantification of taxa-specific abundances in microbial communities: Quantifying and avoiding common pitfalls. – Fabian Bonk – Journal of Microbiological Methods

Genomes from uncultivated prokaryotes: a comparison of metagenome-assembled and single-amplified genomes. – Johannes Alneberg – Microbiome

Progress of analytical tools and techniques for human gut microbiome research – Eun-Ji Song – Journal of Microbiology

Preprint: Dynamic interaction network inference from longitudinal microbiome data – Jose Lugo-Martinez – bioRxiv

Science, Publishing, and Career
What the Nobels are — and aren’t — doing to encourage diversity – Elizabeth Gibney -Nature

Alyson’s Non-Microbiology Pick
What Ecstasy Does to Octopuses – Ed Yong – The Atlantic

September 20, 2018

Today’s digest presents reviews covering potential of microbiome in olfactory communication and oral-gut microbiome axis in rheumatoid arthritis; articles on association of human gut microbiome with different diseases; news on antibiotics and scientific data on personality types in humans.

General microbiome

Review: The Extended Genotype: Microbially Mediated Olfactory Communication – Alexandra J.R. Carthey – Trends in Ecology and Evolution

Talk to your gut: the oral-gut microbiome axis and its immunomodulatory role in the etiology of rheumatoid arthritis – Marines du Teil Espina – FEMS Microbiology Reviews

Commmentary: Regulating stool for microbiota transplantation – Pilar N Ossorio – Gut microbes

Proteomics and the microbiome: pitfalls and potential – Huafeng Lin – Expert Review of Proteomics

Pregnancy and early life

Postnatal exposure to household disinfectants, infant gut microbiota and subsequent risk of overweight in children – Mon H. Tun – Canadian Medical Association Journal

Human gut microbiome

Gut Microbiota Differs in Composition and Functionality Between Children With Type 1 Diabetes, MODY2, and Healthy Control Subjects: A Case-Control Study – Isabel Leiva-Gea – Diabetes Care

Analysis of gut microbiota profiles and microbe-disease associations in children with autism spectrum disorders in China – Mengxiang Zhang – Scientific Reports

Mucosal microbiota of intestinal polyps reveals putative biomarkers of colorectal cancer – Marta Mangifesta – Scientific Reports

Predicting recurrence of Clostridium difficile infection following encapsulated fecal microbiota transplantation – Christopher Staley – Microbiome

Could fecal phenylacetic and phenylpropionic acids be used as indicators of health status? – Isabel Gutiérrez-Díaz – Journal of Agricultural and Food Chemisty

Altered intestinal antibacterial gene expression response profile in irritable bowel syndrome is linked to bacterial composition and immune activation – Sean M. P. Bennet – Neurogastroenterology and Motility

Animal experiments

Melatonin reprogramming of gut microbiota improves lipid dysmetabolism in high fat diet-fed mice – Jie Yin – Journal of Pineal Research

Water and extremophile microbiome

Dynamics of microbial populations mediating biogeochemical cycling in a freshwater lake – Keith Arora-Williams – Microbiome

Probiotics/Prebiotics

The Impact of Probiotic Supplements on Cognitive Parameters in Euthymic Individuals with Bipolar Disorder: A Pilot Study – Eva Z Reininghaus – Neuropsychobiology

Microbes in the news

The case for expensive antibioticshttp://www.wired.com

Crucial antibiotics still used on US farms despite public health fear  The Guardian

Non-microbiology picks

A robust data-driven approach identifies four personality types across four large data sets – Martin Gerlach – Nature Human Behaviour

 

September 17, 2018

In today’s Microbiome Digest, look for rhizobacteria that affect plant size, methanogenesis in salt marsh sediments, a murine model for periodontitis, and an exciting preprint that identifies a microbiome in dinosaur bones! Plus, as bonus non-microbiology topics, we consider authorship norms across different disciplines and how forensics might work on Mars.

General Microbiome
(preprint) Life Inside A Dinosaur Bone: A Thriving Microbiome – Evan Thomas Saitta – bioRxiv

Metabolic Interactions of a Chain Elongation Microbiome – Wenhao Han – Applied and Environmental Microbiology

Human Gut Microbiome
Passing the “Acid Test”: Do Proton Pump Inhibitors Affect the Composition of the Microbiome? – Tien Dong – Digestive Diseases and Sciences

The gastric mucosal-associated microbiome in patients with gastric polyposis – Rongrong Ren – Scientific Reports

Animal Experiments
An experimental murine model to study periodontitis – Julie Marchesan – Nature Protocols

The gut microbiota promotes hepatic fatty acid desaturation and elongation in mice – Alida Kindt – Nature Communications

Animal Microbiome
Global Networks of Symbiodinium-Bacteria Within the Coral Holobiont – Rachele Bernasconi – Microbial Ecology

(preprint) Gut microbial compositions mirror caste-specific diets in a major lineage of eusocial insects – Saria Otani -bioRxiv

Plant, Root, and Soil Microbiome
Plant growth-promoting rhizobacteria promote plant size inequality – Alan C. Gange – Scientific Reports

Diversity of active viral infections within the Sphagnum microbiome – Joshua MA Stough – Applied and Environmental Microbiology

The impact of high throughput sequencing on plant health diagnosticsThe impact of high throughput sequencing on plant health diagnostics – Ian Adams -European Journal of Plant Pathology

Deltaproteobacteria (Pelobacter) and Methanococcoides are responsible for choline-dependent methanogenesis in a coastal saltmarsh sediment – Eleanor Jameson – ISME Journal

Water and Extremophile Microbiome
Living at the frontiers of life: extremophiles in Chile and their potential for bioremediation – Roberto Orellana – Frontiers in Microbiology

Spatial structuring of bacterial communities in epilithic biofilms in the Acquarossa river (Italy) – Carolina Chiellini – FEMS Microbial Ecology

Bioinformatics
A small‐sample kernel association test for correlated data with application to microbiome association studies – Xiang Zhan – Genetic Epidemiology

Science, Publishing, and Career
Thousands of scientists publish a paper every five days – John P. A. Ioannidis – Nature

Alyson’s Non-Microbiology Picks
Sensing with tools extends somatosensory processing beyond the body – Luke E. Miller- Nature

How Will Police Solve Murders on Mars? – Geoff Manaugh – The Atlantic

August 30, 2018

Today’s digest covers population based studies on regional specificity of the gut microbiome, guidelines on use of fecal microbiota transplant, and review articles on role of the gut microbiome in colorectal cancer, liver tumors and functional gastrointestinal disorders. Also includes articles on how xenobiotics and psychotropic drugs affect the gut microbiota, and link to wonderful bacterial art!

General microbiome

Regional variation limits applications of healthy gut microbiome reference ranges and disease models – Yan He – Nature Medicine

Depicting the composition of gut microbiota in a population with varied ethnic origins but shared geography – Melanie Deschasaux – Nature Medicine

The use of faecal microbiota transplant as treatment for recurrent or refractory Clostridium difficile infection and other potential indications: joint British Society of Gastroenterology (BSG) and Healthcare Infection Society (HIS) guidelines – Benjamin H Mullish – Gut

Bile Acids, the Microbiome, Immunity, and Liver Tumors – Christoph Schramm – The New England Journal of Medicine

Review: The gut microbiome and colorectal cancer: a review of bacterial pathogenesis – Jessica D. Dahmus – Journal of Gastrointestinal Oncology

Human gut microbiome

Review: The Gut Microbiome in Adult and Pediatric Functional Gastrointestinal Disorders – Andrea Shin – Clinical Gastroenterology and Hepatology

Changes in microbiota composition, bile and fatty acid metabolism, in successful faecal microbiota transplantation for Clostridioides difficile infection – Jillian RM Brown – BMC Gastroenterology

“Cocktail” of Xenobiotics at Human Relevant Levels Reshapes the Gut Bacterial Metabolome in a Species-Specific Manner – Yingdan Zhang – Environmental Science and Technology

Animal experiments

Microbial Sensing by Intestinal Myeloid Cells Controls Carcinogenesis and Epithelial Differentiation – Naoteru Miyata – Cell Reports

Transplacental immune modulation with a bacterial-derived agent protects against allergic airway inflammation – Kyle T Mincham – Journal of Clinical Investigation

Differential effects of psychotropic drugs on microbiome composition and gastrointestinal function – Sofia Cussotto – Pschycopharmocology

Butyrate and Dietary Soluble Fiber Improve Neuroinflammation Associated With Aging in Mice – Stephanie M Matt – Frontiers in Immunonology

Correlations between intestinal innate immune genes and cecal microbiota highlight potential for probiotic development for immune modulation in poultry – Nicky-Lee Willson – Applied Microbiology and Biotechnology

Plant, root, and soil microbiome

Convergence between the microcosms of Southeast Asian and North American pitcher plants – Leonora S Bittleston – Elife

Water and extremophile microbiome 

In situ development of a methanotrophic microbiome in deep-sea sediments – S E Ruff – ISME Journal

Probiotics/Prebiotics

Probiotics for management of infantile colic: a systematic review of randomized controlled trials – Radoslaw Dryl – Archives of Medical Science

Bioinformatics

A multi-source domain annotation pipeline for quantitative metagenomic and metatranscriptomic functional profiling – Ari Ugarte – Microbiome

Microbes in the news

The world’s smallest masterpieces? Microscopic version of Leonardo da Vinci’s Mona Lisa and portraits of Albert Einstein and Charles Darwin are recreated using MILLIONS of bacteria – Daily Mail

Non-microbiology picks 

Evaluating the replicability of social science experiments in Nature and Science between 2010 and 2015 – Colin F Camerer – Nature Human Behaviour