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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October 25, 2018

Roller coaster of fantastic articles today! Two sister articles from TEDDY cohort about development of the gut microbiota in early childhood and type-1 diabetes. Another article on association of the early gut microbiota with body mass index later in life in a Norwegian cohort. A multi-omics study of the rumen microbiota and insight into how human gut microbiota recovers following antibiotic exposure. And many more, keep reading…

Human gut microbiome

Recovery of gut microbiota of healthy adults following antibiotic exposure – Albert Palleja – Nature Microbiology

The human gut microbiome in early-onset type 1 diabetes from the TEDDY study – Tommi Vatanen – Nature

Temporal development of the gut microbiome in early childhood from the TEDDY study – Christopher J. Stewart – Nature

Gut Microbiota in the First 2 Years of Life and the Association with Body Mass Index at Age 12 in a Norwegian Birth Cohort – Maggie A. Stanislawski – mBio

Human gut microbe co-cultures have greater potential than monocultures for food waste remediation to commodity chemicals – Matthew A. Perisin – Scientific Reports

Animal experiments

Interspecies cross-feeding orchestrates carbon degradation in the rumen ecosystem – Lindsey M. Solden – Nature Microbiology

A gut microbial factor modulates locomotor behaviour in Drosophila – Catherine E. Schretter – Nature

Dietary fibers inhibit obesity in mice, but host responses in the cecum and liver appear unrelated to fiber-specific changes in cecal bacterial taxonomic composition – Janice E. Drew – Scientific Reports

Plant, root, and soil microbiome

Existing Climate Change Will Lead to Pronounced Shifts in the Diversity of Soil Prokaryotes – Joshua Ladau – mSystems

Techniques

Intestinal barrier dysfunction orchestrates the onset of inflammatory host–microbiome cross-talk in a human gut inflammation-on-a-chip – Woojung Shin – PNAS

Microbiota profiling with long amplicons using Nanopore sequencing: full-length 16S rRNA gene and whole rrn operon – Anna Cusco – BioRxiv

Microbes in the news

3 million common procedures in England could become ‘life threatening’ without antibiotics – CNN

Antibiotic plus probiotic combination may kill off superbugs – Medical News Today

Microbes on the market

Microbiotica Attracts Equity Investment from Seventure’s Health for Life Capital Fund – Microbiome Times

Rebiotix and Microbiome Insights Collaborate on a Microbiome IBD Tool for Clinical Development – Microbiome Times

APC Microbiome Ireland pool resources to lead maternity probiotic venture – Nutraingredients.com

Non-microbiology picks

How should autonomous vehicles be programmed? – ScienceDaily

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

September 26, 2018

Today’s mid-week short digest includes articles on integrating human genetics and the gut microbiome to find potent risk factors in cardiovascular disease; comparison of bariatric surgery techniques on the gut microbiota; transmission of antibiotic resistance genes from mothers to infants and importance of breastfeeding. News updates on growth prediction of human microbiome based diagnostics and first rapid test to determine Bifidobacteria in infant gut!

Human gut microbiome

Individual variations in cardiovascular-disease-related protein levels are driven by genetics and gut microbiome – Daria V. Zhernakova – Nature Genetics

Maternal gut and breast milk microbiota affect infant gut antibiotic resistome and mobile genetic elements – Katariina Pärnänen – Nature Communications

Multidrug-resistant Gram-negative bacteria from patients, hospital environment and healthcare workers: a six-month cross-sectional study – Aline Fernanda Rodrigues Sereia – bioRxiv

Microbiota stability in healthy individuals after single-dose lactulose challenge – a randomized controlled study – Sandra Y Wotzkas – bioRxiv

Laparoscopic Roux-en-Y gastric bypass profoundly changes gut microbiota compared to laparoscopic sleeve gastrectomy: a metagenomic comparative analysis – William Farin – bioRxiv

Subgingival microbiome of rheumatoid arthritis patients in relation to their disease status and periodontal health – Kathrin Beyer – PlosOne

Profiling of microorganism-binding serum antibody specificities in professional athletes – Rajna Minić – PlosOne

Animal experiments

Human Breast-Milk Feeding Enhances the Humoral and Cell-Mediated Immune Response in Neonatal Piglets – John J Miklavcic – The Journal of Nutrition

Glyphosate perturbs the gut microbiota of honey bees – Erick V. S. Motta – PNAS

Water and extremophile microbiome 

Microbiome profiling in extremely acidic soils affected by hydrothermal fluids: the case of Solfatara Crater (Campi Flegrei, southern Italy) – Crognale Simona – Fems Microbiology Ecology

Techniques

The Smallest Intestine (TSI) – a low volume in vitro model of the small intestine with increased throughput – T Cieplak – FEMS microbiology Letters

Microbes in the news

First-Ever Rapid Response Test for Levels of Bifidobacterium in Baby’s Gut Microbiome – Microbiome Times

Human Microbiome Market will Likely to expanding at a CAGR of 9.8% during the forecast period from 2018 to 2026 – Business Analyst

Puppies spread antibiotic-resistant infections to 118 people, CDC reports – CBS News

Non-microbiology picks

The best of intentions: Prenatal breastfeeding intentions and infant health – Kerri M. Raissian – SSM Population Health

 

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

 

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

 

August 22, 2018

Today’s digest is a mix of exciting reviews and research articles. The research articles are about – association between (site-specific) microbiota changes and stunded chilhood growth, bronchopulmonary dysplasia and Ankylosing Spondylitis; new tools to analyze mother-infant phage transmission; and low cost platform to analyze gut microbiota and host biomarkers. Also includes statement from FDA on regulation of live microbiome-based products, and comparison of single versus multiple strain probiotics in intestinal dysbiosis.

General microbiome

Review: Microbiology of the built environment – Jack A Gilbert – Nature Reviews Microbiology

Considerations for Best Practices in Studies of Fiber or Other Dietary Components and the Intestinal Microbiome – David M Klurfeld – American Journal of Physiology Endocrinology and Metabolism

Review: Impact of the commensal microbiota in atherosclerosis and arterial thrombosis – Klytaimnistra Kiouptsi – British Journal of Pharmacology

Pregnancy and early life

Metagenomic analysis with strain-level resolution reveals fine-scale variation in the human pregnancy microbiome – Daniela SA Goltsman – bioRxiv

Human respiratory microbiome

Early Airway Microbial Metagenomic and Metabolomic Signatures are Associated with Development of Severe Bronchopulmonary Dysplasia – Charitharth V Lal – American Journal of Physiology

Human gut microbiome

Stunted childhood growth is associated with decompartmentalization of the gastrointestinal tract and overgrowth of oropharyngeal taxa – Pascale Vonaesch – PNAS

Tracing mother-infant transmission of bacteriophages by means of a novel analytical tool for shotgun metagenomic datasets: METAnnotatorX – Christian Milani – Microbiome

Altered Bacteria-Fungi Inter-Kingdom Network in Gut of Ankylosing Spondylitis Patients – Ming Li – bioRxiv

Animal experiments

Hyperactivated PI3Kd promotes self and commensal reactivity at the expense of optimal humoral immunity – Silvia Preite – Nature Immunology

The Potential Role of the Dipeptidyl Peptidase-4-Like Activity From the Gut Microbiota on the Host Health – Marta Olivares – Frontiers in Microbiology

Plant, root, and soil microbiome

Effects of compost containing oxytetracycline on enzyme activities and microbial communities in maize rhizosphere soil – Lisha Zhen – Environmental Science and Pollution Research

Impact of soil salinity on the microbial structure of halophyte rhizosphere microbiome – Salma Mukhtar – World Journal of Microbiology and Biotechnology

Water and extremophile microbiome

Inter-Kingdom beach warfare: Microbial chemical communication activates natural chemical defences – Zeinab G Khalil – The ISME Journal

Biogeography and taxonomic overview of terrestrial hot spring thermophilic phages – Olivier Zablocki – Extremophiles

Food microbiology

How Fine Structural Differences of Xylooligosaccharides and Arabinoxylooligosaccharides Regulate Differential Growth of Bacteroides Species – Mihiri Mendis – Journal of Agricultural and Food Chemistry

Probiotics / prebiotics

Influence of monostrain and multistrain probiotics on immunity, intestinal ultrastructure and microbiota in experimental dysbiosis – E Ermolenko – Beneficial Microbes

Effect of probiotic Bifidobacterium bifidum G9-1 on the relationship between gut microbiota profile and stress sensitivity in maternally separated rats – Hirokazu Fukui – Scientific Reports

Techniques

A low-cost paper-based synthetic biology platform for analyzing gut microbiota and host biomarkers – Melissa K Takahashi – Nature Communications

Microbes in the news

Statement from FDA Commissioner Scott Gottlieb, M.D., on advancing the science and regulation of live microbiome-based products used to prevent, treat, or cure diseases in humans – Food and Drug Administration

Non-microbiology picks

Mechanisms regulating intestinal barrier integrity and its pathological implications – Chaithanya Chelakkot – Experimental and Molecular Medicine