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

 

August 10, 2018

This Friday enjoy reading about the global topsoil microbiome, human pharyngeal microbiota profiles and microbial biomarkers associated with chronic kidney disease. There’s an interesting podcast [Mapping microbes on the metro]! Happy weekend!

Human gut microbiome

Neonatal selection by Toll-like receptor 5 influences long-term gut microbiota composition – Marcus Fulde – Nature

*Altered gut microbiota and microbial biomarkers associated with chronic kidney disease – Hengzhong Lun – Microbiologyopen.

Review: Rebuilding the Gut Microbiota Ecosystem – Antonella Gagliardi – Int. J. Environ. Res. Public Health

Human respiratory microbiome

*Human pharyngeal microbiota in age-related macular degeneration – Eliza Xin Pei Ho – PLoS One

Plant, root and soil microbiome

*Structure and function of the global topsoil microbiome – Mohammad Bahra – Nature

Mini review: Root colonization: imperative mechanism for efficient plant protection and growth – Swati Sachdev and Rana Pratap Singh – MOJ Ecology & Environmental Sciences

Review: From Microscopy to Genomic Approach in Soil Biodiversity Assessment – Lucia Popescu and Zhi-Ping Cao – Curr. Issues Mol. Biol.

Review: You Are What You Can Find to Eat: Bacterial Metabolism in the Rhizosphere – Nicola Holden – Curr. Issues Mol. Biol.

Podcast

*Gut bacteria vs the immune system; Mapping microbes on the metro – Adam Levy and Benjamin Thompson – Nature Podcast

Microbes in the news

Checkpoint for gut microbes after birth – Andrew J. Macpherson and Stephanie C. Ganal-Vonarburg – Nature News and Views

August 7, 2018

Today’s Digest features a lot of soil and plant microbiome articles. Highlights include an opinion piece on hypothesis-driven microbiome research, a study on the spread of MCR-3 colistin resistance in China, and a consortium of bacteria to protect plants from pathogents.

General microbiology

** Are microbiome studies ready for hypothesis-driven research? – Anupriya Tripathi et al. – Current Opinion in Microbiology

Mitracarpus frigidus: A promising antifungal in the treatment of vulvovaginal candidiasis – Lara M. Campos et al. – Industrial Crops and Products

Isolation, growth, enzyme assay and identification via 16S rRNA full sequencing of cellulolytic microbes from Nepal for biofuel production – Binayak Raj Pandey et al. – Renewable Energy

Review (Uncorrected Proof): From hairballs to hypotheses – biological insights from microbial networks – Lisa Röttjers & Karoline Faust – FEMS Microbiology Reviews

Review: Barriers and opportunities in bio-based production of hydrocarbons – Yongjin J. Zhou, Eduard J. Kerkhoven & Jens Nielsen – Nature Energy

Antibiotic resistance

** Spread of MCR-3 Colistin Resistance in China: An Epidemiological, Genomic and Mechanistic Study – Yongchang Xu et al. – EBioMedicine

Long-term organic fertilization increased antibiotic resistome in phyllosphere of maize – Qing-Lin Chen et al. – Science of The Total Environment

Carbapenem resistance in bacteria isolated from soil and water environments in Algeria – Katia DJENADI et al. – Journal of Global Antimicrobial Resistance

Human respiratory microbiome

Prospective study of timing and pattern of bacteria and viruses in the nasopharyngeal microbiome in a birth cohort – J.L.Mathew et al. – International Journal of Infectious Diseases

Human gut microbiome

Population changes of colon lumen microbiota in patients with chronic hepatitis C – A. Sydorchuk et al. – International Journal of Infectious Diseases

Multi-site human microbiome

Metagenomics of pigmented and cholesterol gallstones: the putative role of bacteria – S. H. Kose et al. – Scientific Reports

Food microbiology

Amplicon and shotgun metagenomic sequencing indicates that microbial ecosystems present in cheese brines reflect environmental inoculation during the cheese production process – Louise Vermote et al. – International Dairy Journal

Exploring core functional microbiota responsible for the production of volatile flavour during the traditional brewing of Wuyi Hong Qu glutinous rice wine – Zi-Rui Huang et al. – Food Microbiology

Review: Spoilage yeasts: What are the sources of contamination of foods and beverages? – A. Hernández et al. – International Journal of Food Microbiology

Animal experiments

Consumption of virgin coconut oil in Wistar rats increases saturated fatty acids in the liver and adipose tissue, as well as adipose tissue inflammation – Marianade Moura e Dias et al. – Journal of Functional Foods

Experimental microbial dysbiosis does not promote disease progression in SIV-infected macaques – Alexandra M. Ortiz et al. – Nature Medicine

Animal microbiome

Whole genome sequences to assess the link between antibiotic and metal resistance in three coastal marine bacteria isolated from the mummichog gastrointestinal tract – Nicole A. Lloyd, Sylvie Nazaret & TamarBarkay – Marine Pollution Bulletin

Inferences of gut bacterial diversity from next-generation sequencing of 16S rDNA in deep sea blind ray – Benthobatis moresbyi – Tina Kollannoor Johny et al. – Ecological Genetics and Genomics

Characterization of the fecal microbiota of healthy horses – Holly L. Stewart et al. – American Journal of Veterinary Research

Plant, root and soil microbiome

Comparative mangrove metagenome reveals global prevalence of heavy metals and antibiotic resistome across different ecosystems – Madangchanok Imchen et al. – Scientific Reports

Structural development and assembly patterns of the root-associated microbiomes during phytoremediation – Yanmei Chen et al. – Science of The Total Environment

A Method for Collecting Atmospheric Microbial Samples From Set Altitudes for Use With Next-Generation Sequencing Techniques to Characterize Communities – Allison M Spring et al. – Air, Soil and Water Research

Plant-microbe interactions drive denitrification rates, dissolved nitrogen removal, and the abundance of denitrification genes in stormwater control measures – Natalie R Morse et al. – Environmental Science & Technology

Short- and long-term warming alters soil microbial community and relates to soil traits – Hongying Yu et al. – Applied Soil Ecology

Environmental variables better explain changes in potential nitrification and denitrification activities than microbial properties in fertilized forest soils – Yuqian Tang et al. – Science of The Total Environment

Wheat rhizosphere harbors a less complex and more stable microbial co-occurrence pattern than bulk soil – Kunkun Fan et al. – Soil Biology and Biochemistry

Influence of biochars on the accessibility of organochlorine pesticides and microbial community in contaminated soils – Neelum Ali et al. – Science of The Total Environment

Structure and activity of soil microbial communities in three Mediterranean forests – Felicia Grosso et al. – Applied Soil Ecology

Species-associated differences in the below-ground microbiomes of wild and domesticated Setaria – Srinivasa R. Chaluvadi & Jeff Bennetzen – Frontiers in Plant Science

Review: Processes that determine the interplay of root exudation, methane emission and yield in rice agriculture – D. Maurer et al. – Plant Biology

** Nutrient-and Dose-Dependent Microbiome-Mediated Protection against a Plant Pathogen – Maureen Berg & Britt Koskella – Current Biology

Network Analyses Can Advance Above-Belowground Ecology – Kelly S.Ramirez et al. – Trends in Plant Science

Minireview: Microbial anaerobic Fe(II) oxidation – ecology, mechanisms and environmental implications – C Bryce et al. – Environmental Microbiology

Phages and viruses

No detectable effect of Wolbachia wMel on the prevalence and abundance of the RNA virome of Drosophila melanogaster – Mang Shi et al. – Proceedings B

Co-Infection Patterns in Individual Ixodes scapularis Ticks Reveal Associations between Viral, Eukaryotic and Bacterial Microorganisms – Shaun T. Cross et al. – Viruses

Investigation of recombination-intense viral groups and their genes in the Earth’s virome – Jan P. Meier-Kolthoff et al. – Scientific Reports

Microbes in the news

Endophytes: Study Shows GMO Corn Has No Impact On Good Bacteria – Science 2.0

August 6, 2018

In today’s digest, look for probiotic trials for renal insufficiency and metabolic syndrome, experimental dysbiosis in SIV-infected primates, bacterial and fungal network analyses in soils, and recombination in the human virome. Plus, bacteria in the popular press, hints for scientists using Twitter, the first stem cell therapies for Parkinson’s Disease, and more!

Human gut microbiome
Antigenic mimicry of ubiquitin by the gut bacterium Bacteroides fragilis: a potential link with autoimmune disease – Linda Stewart – Clinical and Experimental Immunology

Animal experiments
Experimental microbial dysbiosis does not promote disease progression in SIV-infected macaques – Alexandra M. Ortiz – Nature Medicine

Addition of dairy lipids and probiotic Lactobacillus fermentum in infant formula programs gut microbiota and entero-insular axis in adult minipigs – Marion Lemaire – Scientific Reports

Animal microbiome
Increased Numbers of Culturable Inhibitory Bacterial Taxa May Mitigate the Effects of Batrachochytrium dendrobatidis in Australian Wet Tropics Frogs – Sara C. Bell – Frontiers in Microbiology

Characterization of the fecal microbiota of healthy horses – Holly L. Stewart – American Journal of Veterinary Research

Plant, root, and soil microbiome
Microbes follow Humboldt: temperature drives plant and soil microbial diversity patterns from the Amazon to the Andes – Andrew T. Nottingham – Ecology

Soil bacterial networks are less stable under drought than fungal networks – Franciska T. de Vries – Nature Communications

Contrasting distribution patterns between aquatic and terrestrial Phytophthora species along a climatic gradient are linked to functional traits – Miguel A. Redondo – The ISME Journal

Variations in microbial community and di-(2-ethylhexyl) phthalate (DEHP) dissipation in different rhizospheric compartments between low- and high-DEHP accumulating cultivars of rice (Oryza sativa L.) – Xue-Xue Chen – Ecotoxicology and Environmental Safety

Water and extremophile microbiome
Evaluation of performance and microbial community successional patterns in an integrated OCO reactor under ZnO nanoparticle stress – Zhenghui Liu – RSC Advances

Screening of quorum quenching activity of the bacteria isolated from dairy industry waste activated sludge – J. Kaur – International Journal of Environmental Science and Technology

Food Microbiology
Identification of Mesophilic Spore-formers in Whey Powder using Shotgun Metagenomic Sequencing – Aoife J. McHugh – Applied and Environmental Microbiology

Probiotics/Prebiotics
An open-label, randomized, placebo-controlled study on the effectiveness of a novel probiotics administration protocol (ProbiotiCKD) in patients with mild renal insufficiency (stage 3a of CKD) – Mariadelina Simeoni – European Journal of Nutrition

Probiotic and synbiotic supplementation could improve metabolic syndrome in prediabetic adults: A randomized controlled trial – Nazila Kassaian – Diabetes & Metabolic Syndrome: Clinical Research & Reviews

Phages and viruses
Investigation of recombination-intense viral groups and their genes in the Earth’s virome – Jan P. Meier-Kolthoff – Scientific Reports

Microbes in the news
Hong Kong Subway Study Shows How Quickly Bacteria Travel Across a City – Gizmodo

Bacteria hysteria
Please Don’t Give Up Your Pet Over The Fear Of Dog-Lick Bacteria – Huffington Post

Science, publishing, and career
Scientists on Twitter: Preaching to the choir or singing from the rooftops? – Isabelle Côté – Facets

Alyson’s non-microbiology picks
‘Reprogrammed’ stem cells to be tested in people with Parkinson’s

These tiny, stretchy speakers and microphones let your skin play music

July 31, 2018

Today’s Digest features a report that different types of tobacco products can cause oral microbial dysbiosis, an update on fecal microbiome transplant, and exploration into Westernization and evolution of gut microbiota. Enjoy reading!

General microbiology

Alterations of Salmonella Typhimurium Antibiotic Resistance under Environmental Pressure – Mengfei Peng et al. – Applied and Environmental Microbiology

Preprint: Experimental demonstration that screening can enable the environmental recruitment of a defensive microbiome – Tabitha Innocent et al. – bioRxiv

Human oral microbiome

Chicken or the Egg: Microbial Alterations in Biopsy Samples of Patients with Oral Potentially Malignant Disorders – Gabor Decsi et al. – Pathology & Oncology Research

** Types of tobacco consumption and the oral microbiome in the United Arab Emirates Healthy Future (UAEHFS) Pilot Study – Yvonne Vallès et al. – Scientific Reports

Human respiratory microbiome

Decreased microbiome diversity in the HIV small airway epithelium – Stella Xu et al. – Respiratory Research

Human gut microbiome

Antibiotic Exposure and Reduced Short Chain Fatty Acid Production after Hematopoietic Stem Cell Transplant – Lindsey ERomick-Rosendale et al. – Biology of Blood and Marrow Transplantation

** Review: Fecal Microbiota Transplantation: Current Status in Treatment of GI and Liver Disease – Byron P.Vaughn et al. – Clinical Gastroenterology and Hepatology

The association between the incidence of intestinal graft-versus-host disease and antibiotic use after allogeneic hematopoietic stem cell transplantation – Daisuke Hidaka et al. – Clinical Transplantation

Ecological effects of cefepime use during antibiotic cycling on the Gram-negative enteric flora of ICU patients – Carola Venturini et al. – Intensive Care Medicine Experimental

** Gut microbiota is associated with obesity and cardiometabolic disease in a population in the midst of Westernization – Jacobo de la Cuesta-Zuluaga et al. – Scientific Reports

A diverse range of human gut bacteria have the potential to metabolise the dietary component gallic acid – María Esteban-Torres et al. – Applied and Environmental Microbiology

Metagenomic analysis of gut microbial communities from a Central Asian population – Almagul Kushugulova et al. – BMJ Open

Animal experiments

Early cellular responses of germ-free and specific-pathogen-free mice to Francisella tularensis infection – ZuzanaKrocova et al. – Microbial Pathogenesis

Rat: Gut microbiota modulation accounts for the neuroprotective properties of anthocyanins – Cláudia Marques et al. – Scientific Reports

Mouse: Complementary intestinal mucosa and microbiota responses to caloric restriction – Kalina Duszka et al. – Scientific Reports

Greater Microbial Translocation and Vulnerability to Metabolic Disease in Healthy Aged Female Monkeys – Quentin N. Wilson et al. – Scientific Reports

Medicinal Mushrooms Supplements Alter Chicken Intestinal Microbiome – Janelle Robinson et al. – International Journal of Medicinal Mushrooms

Review: Standardization in host-microbiota interaction studies: challenges, gnotobiology as a tool, and perspective – Catherine Mooser et al. – Current Opinion in Microbiology

Animal microbiome

Review: Where in the serotonergic system does it go wrong? Unravelling the route by which the serotonergic system affects feather pecking in chickens – Elske N.de Haas & Jerine A.J.van der Eijk – Neuroscience & Biobehavioral Reviews

Exploring the pathology of an epidermal disease affecting a circum-Antarctic sea star – Laura Núñez-Pons et al. – Scientific Reports

Assessment of rumen microbiota from a large cattle cohort reveals the pan and core bacteriome contributing to varied phenotypes – Mingyuan Xue et al. – Applied and Environmental Microbiology

Preprint: Whole genome screen reveals a novel relationship between Wolbachia and Drosophila host translation – Yolande Grobler et al. – bioRxiv

Food microbiology

Dynamics and biodiversity of bacterial and yeast communities during the fermentation of cocoa beans – Jatziri Mota-Gutierrez et al. – Applied and Environmental Microbiology

Plant, root and soil microbiome

Alternate life history phases of a common seaweed have distinct microbial surface communities – Matthew A Lemay et al. – Molecular Ecology

Diversity of bacterial microbiota of coastal halophyte Limonium sinense and amelioration of salinity stress damage by symbiotic plant growth-promoting actinobacterium Glutamicibacter halophytocola KLBMP 5180 – Sheng Qin et al. – Applied and Environmental Microbiology

Bacterial microbiota protect an invasive bark beetle from a pine defensive compound – Chihang Cheng et al. – Microbiome

Structural inflexibility of the rhizosphere microbiome in mangrove plant Kandelia obovata under elevated CO2 – Panqing Yin et al. – Marine Environmental Research

Mutualistic fungus Phomopsis liquidambari increases root aerenchyma formation through auxin-mediated ethylene accumulation in rice (Oryza sativa L.) – Li-Yan Hu et al. – Plant Physiology and Biochemistry

Characteristics of archaea and bacteria in rice rhizosphere along a mercury gradient – Ming Ma et al. – Science of The Total Environment

Isolation and diversity of culturable rhizobacteria associated with economically important crops and uncultivated plants in Québec, Canada – Di Fan et al. – Systematic and Applied Microbiology

Phages and viruses

Hordes of Phages in the Gut of the Tilapia Sarotherodon melanotheron – Yvan Bettarel et al. – Scientific Reports

Bioinformatics

Joint Analysis of Long and Short Reads Enables Accurate Estimates of Microbiome Complexity – Anton Bankevich & Pavel A.Pevzner – Cell Systems

Microbes in the news

Gut bacteria can protect against Salmonella infections – Press Trust of India – Business Standard

July 27, 2018

Diversity and stability of the oyster microbiota, earthworm gut bacteria contribute to silicon acquisition by maize, metabolic function and composition of the gut microbiota regulated by IgA, a review on engineering live biotherapeutics.

General microbiome

Review: Synthetic Biology and Engineered Live Biotherapeutics: Toward Increasing System Complexity – Tanel Ozdemir – Cell Systems

Pre-print: Fungal chromatin mapping identifies BasR, as the regulatory node of bacteria-induced fungal secondary metabolism – Juliane Fischer – bioRxiv

Multi-site human microbiome

Review: The Gut Microbiome as a Major Regulator of the Gut-Skin Axis – Iman Salem – Frontiers in Microbiology

Human respiratory microbiome

Identifying aerosolized cyanobacteria in the human respiratory tract: A proposed mechanism for cyanotoxin-associated diseases – Dominic N Facciponte – Science of the Total Environment

Human skin microbiome

Minor taxa in human skin microbiome contribute to the personal identification – Hikaru Watanabe – PLOS ONE

Animal experiments

Intestinal Microbiota Disruption Reduces Regulatory T Cells and Increases Respiratory Viral Infection Mortality Through Increased IFNγ Production – Mitchell H Grayson – Frontiers in Immunology

IgA regulates the composition and metabolic function of gut microbiota by promoting symbiosis between bacteria – Akira Nakajima – Journal of Experimental Medicine

Animal microbiome

Fecal bacterial communities from Mediterranean loggerhead sea turtles (Caretta caretta) – Elena Biagi – Environmental Microbiology Reports

Pre-print: Diversity and stability of microbiota are key factors associated to healthy and diseased Crassostrea gigas oysters – Camille Clerissi – bioRxiv

Plant, root, and soil microbiome

Earthworm gut bacteria increase silicon bioavailability and acquisition by maize – Lin Hu – Soil Biology and Biochemistry

Digging mammals contribute to rhizosphere fungal community composition and seedling growth – Shannon J Dundas – Biodiversity and Conservation

Soil amendment alters soil physicochemical properties and bacterial community structure of a replanted apple orchard – Bowen Liang – Microbiological Research

Water and extremophile microbiome

Microbiome functioning depends on individual and interactive effects of the environment and community structure – Chloé Orland – The ISME Journal

Microbes in space

Pre-print: Water quality and microbial load: a double-threshold identification procedure intended for space applications – Stefano Amalfitano – bioRxiv

Food microbiology

A low FODMAP diet is associated with changes in the microbiota and reduction in breath hydrogen but not colonic volume in healthy subjects – Tim J Sloan – PLOS ONE

Profiling white wine seed vinegar bacterial diversity through viable counting, metagenomic sequencing and PCR-DGGE – Vesna Milanović – International Journal of Food Microbiology

Probiotics/prebiotics

Review: Adipose tissue inflammation and metabolic syndrome. The proactive role of probiotics – Sebastian Torres – European Journal of Nutrition

Techniques

Recognizing the reagent microbiome – Marcus C de Goffau – Nature Microbiology

More microbes

Metabolically engineered Corynebacterium glutamicum for bio-based production of chemicals, fuels, materials, and healthcare products – Judith Becker – Metabolic Engineering

Pre-print: A dual motif mediates outer-membrane translocation and packing of glycosidases into Bacteroides Outer Membrane Vesicles – Ezequiel Valguarnera – bioRxiv

The outer membrane is an essential load-bearing element in Gram-negative bacteria – Enrique R Rojas – Nature

Microbes in the news

Viruses cooperate to defeat bacteria – Aude Bernheim – Nature

July 19, 2018

An all-around Digest today features newly discovered Wolbachia in Anopheles mosquitoes that can lead to probiotic therapy for malaria, a novel mechanism for the plants to control rhizosphere microbiota, growth and defense, and fascinating art produced entirely by microbes. Enjoy!

General microbiology

Review: Large noncoding RNAs in bacteria – Kimberly A. Harris & Ronald R. Breaker – Microbiology spectrum

Bioremediation and microbial metabolism of benzo(a)pyrene – E M Ostrem Loss & J H Yu – Molecular Microbiology

Changing of the Genomic Pattern of Salmonella Enteritidis Strains Isolated in Brazil Over a 48 year-period revealed by Whole Genome SNP Analyses – Fábio Campioni et al. – Scientific Reports

Preprint: Host adaptation and convergent evolution increases antibiotic resistance without loss of virulence in a major human pathogen – Alicia Fajardo-Lubian et al. – bioRxiv

Pregnancy and early life

Pregestational overweight and obesity are associated with differences in gut microbiota composition and systemic inflammation in the third trimester – María Florencia Zacarías et al. – PLoS One

Mini-Review: Antibiotics and lactation: An overview of relative infant doses and a systematic assessment of clinical studies – J.J. van Wattum et al. – Basic & Clinical Pharmacology & Toxicology

Human respiratory microbiome

Characterisation of the nasal microbiota in granulomatosis with polyangiitis – Rennie L Rhee et al. – Annals of the Rheumatic Diseases

Human skin microbiome

Human skin commensals augment Staphylococcus aureus pathogenesis – Emma Boldock et al. – Nature Microbiology

Human oral microbiome

Unique subgingival microbiota associated with periodontitis in cirrhosis patients – Anders Jensen et al. – Scientific Reports

Human gut microbiome

ACI‐1 beta‐lactamase is widespread across human gut microbiomes in Negativicutes due to transposons harboured by tailed prophages – Chris M Rands et al. – Environmental Microbiology

Review: Recent advances in probiotics as live biotherapeutics against gastrointestinal diseases – Kota RK et al. – Current Pharmaceutical Design

Review: Microbiota–Host Crosstalk: A Bridge Between Cardiovascular Risk Factors, Diet, and Cardiovascular Disease – Jacques Amar – American Journal of Hypertension

Human built environment microbiome

β-Lactam and Fluoroquinolone-Resistant Enterobacteriaceae Recovered from the Environment of Human and Veterinary Tertiary Care Hospitals – Dimitria A. Mathys et al. – Vector-Borne and Zoonotic Diseases

Metabolomics

Quantitative metabolomics comparison of traditional blood draws and TAP capillary blood collection – Alexis Catala et al. – Metabolomics

Functional genetic discovery of enzymes using full-scan mass spectrometry metabolomics – Amy A. Caudy et al. – Biochemistry and Cell Biology

Animal experiments

Dietary L-Arginine Supplementation Alleviates the Intestinal Injury and Modulates the Gut microbiota in Broiler Chickens Challenged by Clostridium perfringens – Beibei Zhang et al. – Frontiers in Microbiology

Dissertation: Recent Evolution of Host Genetic Control of Microbiota in Cichlid Fishes and Humans – Kaitlin Patricia Coyle – North Carolina State University

Mouse: Gut Microbiota-Stimulated Innate Lymphoid Cells Support b-Defensin 14 Expression in Pancreatic Endocrine Cells, Preventing Autoimmune Diabetes – Michela Miani et al. – Cell Metabolism

Mouse: In vitro probiotic properties of vaginal Lactobacillus fermentum MG901 and Lactobacillus plantarum MG989 against Candida albicans – Chang-Ho Kang et al. – European Journal of Obstetrics & Gynecology and Reproductive Biology

Betaine Improves Intestinal Functions by Enhancing Digestive Enzymes, Ameliorating Intestinal Morphology, and Enriching Intestinal Microbiota in High-salt stressed Rats – Haichao Wang et al. – Nutrients

The evolution of ecological facilitation within mixed-species biofilms in the mouse gastrointestinal tract – Xiaoxi B. Lin et al. – The ISME Journal

Differences Between the Intestinal Lumen Microbiota of Aberrant Crypt Foci (ACF)-Bearing and Non-bearing Rats – Xiuli Xiao et al. – Digestive Diseases and Sciences

Mouse: A selective gut bacterial bile salt hydrolase alters host metabolism – Lina Yao et al. – eLife

Diabetes-Associated Alterations in the Cecal Microbiome and Metabolome are Independent of Diet or Environment in the UC Davis Type 2-Diabetes Mellitus Rat Model – Brian D. Piccolo et al. – American Journal of Physiology-Endocrinology and Metabolism

Animal microbiome

Effects of dietary energy levels on rumen bacterial community composition in Holstein heifers under the same forage to concentrate ratio condition – Yanliang Bi et al. – BMC Microbiology

The cecal microbiome of commercial broiler chickens varies significantly by season – Brian B Oakley et al. – Poultry Science

American beaver: Metagenomics reveals functional synergy and novel polysaccharide utilization loci in the Castor canadensis fecal microbiome – Zachary Armstrong et al. – The ISME Journal

High Gut Microbiota Diversity Provides Lower Resistance against Infection by an Intestinal Parasite in Bumblebees – Kathrin Näpflin & Paul Schmid-Hempel – The American Naturalist

Effect of Dietary Fructooligosaccharide (FOS) Supplementation on Ileal Microbiota in Broiler Chickens – Yue Shang et al. – Poultry Science

Arrival date and microorganisms in barn swallows – Z. Al Rubaiee et al. – Journal of Avian Biology

* Preprint: Novel Wolbachia strains in Anopheles malaria vectors from Sub-Saharan Africa – Claire L Jeffries et al. – bioRxiv

Plant, root and soil microbiome

Metabolomics analysis of Cajanus cajan L. seedlings unravelled amelioration of stress induced responses to salinity after halopriming of seeds – Sabarni Biswas, Asok K. Biswas & Bratati De – Plant Signaling & Behavior

* Root exudate metabolites drive plant-soil feedbacks on growth and defense by shaping the rhizosphere microbiota – Lingfei Hu et al. – Nature Communications

Water and extremophile microbiome

Abstract: Exploring the relative importance of surficial cyanobacteria communities versus physical, chemical and bioloigical processes at depth on sulfur cycling in two microbial mat environments – Maya Gomes et al. – Caltech Authors

Temperature driven changes in benthic microbial diversity influences biogeochemical cycling in coastal sediments – Natalie Hicks et al. – Frontiers in Microbiology

Resistance and Recovery of Methane-Oxidizing Communities depends on Stress Regime and History; a Microcosm Study – Henri van Kruistum et al. – Frontiers in Microbiology

Enterococci Concentrations in a Coastal Ecosystem are a Function of Fecal Source Input, Environmental Conditions, and Environmental Sources – Derek Rothenheber & Stephen Jones – Applied and Environmental Microbiology

Agulhas Current properties shape microbial community diversity and potential functionality – Sandra Phoma et al. – Scientific Reports

Microscale ecology regulates particulate organic matter turnover in model marine microbial communities – Tim N. Enke et al. – Nature Communications

Abundance and diversity of prokaryotes in ephemeral hypersaline lake Chott El Jerid using Illumina Miseq sequencing, DGGE and qPCR assays – Manel Ben Abdallah et al. – Extremophiles

Microplastic bacterial communities in the Bay of Brest: Influence of polymer type and size – Laura Frère et al. – Environmental Pollution

Systematic, continental scale temporal monitoring of marine pelagic microbiota by the Australian Marine Microbial Biodiversity Initiative – Mark V. Brown et al. – Scientific Data

Microbes in space

The influence of bioregenerative life‐support system (BLSS) dietary structure and lifestyle on the gut microbiota: A 105‐day ground‐based space simulation in Lunar Palace 1 – Zikai Hao et al. – Environmental Microbiology

Probiotics, Prebiotics and Synbiotics

Harms Reporting in Randomized Controlled Trials of Interventions Aimed at Modifying Microbiota: A Systematic Review – Aïda Bafeta et al. – Annals of Internal Medicine

Lactobacillus acidophilus and Clostridium butyricum ameliorate colitis in murine by strengthening the gut barrier function and decreasing inflammatory factors – Y. Wang et al. – Beneficial Microbes

Technology

Review: Interkingdom microbial consortia mechanisms to guide biotechnological applications – Shu Zhang et al. – Microbial Biotechnology

Establishing a mucosal gut microbial community in vitro using an artificial simulator – LinShu Liu et al. – PLoS One

Bioinformatics

Minimizing confounders and increasing data quality in murine models for studies of the gut microbiome – Jun Miyoshi et al. – PeerJ

Preprint: Macroecological relationships in the dynamics of gut microbiota – Brian W. Ji et al. – bioRxiv

Microbes in the news

Designer microbiomes – Alfie Gleeson & Abigail Sawyer – BioTechniques

* You need to see this award-winning artwork made entirely from microbes – Irish News

Disgusting Things You Never Knew Your Pets Are Bringing Into Your Home – Amanda Harding – Cheat Sheet

Scientific education

Preprint: Long term impact of intensive post graduate laboratory training at the Cold Spring Harbor Neurobiology of Drosophila summer course – Sarah Ly et al. – bioRxiv

July 16, 2018

Today’s Digest is all about cows! Microbiome of healthy cows and cows developing postpartum endometritis, and metabolic pathways of rumen microbiota. Ok, almost. Find out whether anthropogenic radionuclides at Chernobyl (Ukraine) impact the gut microbiome of the bank vole. Also, there’s an interesting read on human microbiome and microbial metabolites that contribute to the accumulation of lipids in the liver. Happy week!

Animal microbiome

*Preprint: Delayed differentiation of vaginal and uterine microbiomes in dairy cows developing postpartum endometritis – Raúl Miranda-CasoLuengo – bioRxiv

Meta-proteomics of rumen microbiota indicates niche compartmentalisation and functional dominance in a limited number of metabolic pathways between abundant bacteria – E.H. Hart – Scientific Report

*Environmental radiation alters the gut microbiome of the bank vole Myodes glareolus – Anton Lavrinienko – The ISME Journal

The maternal vaginal microbiome partially mediates the effects of prenatal stress on offspring gut and hypothalamus – Eldin Jašarević – Nature Neuroscience

Human microbiome

*Microbiome metabolomics reveals new drivers of human liver steatosis – Nathalie M. Delzenne – Nature Medicine

The gut–liver axis and the intersection with the microbiome – Anupriya Tripathi – Nature Reviews Gastroenterology & Hepatology

Longevity extension in Drosophila through gut-brain communication – Susan Westfall — Scientific Reports

Gut microbiota composition is related to cardiorespiratory fitness in healthy young adults – Ryan P. Durk – International Journal of Sport Nutrition and Exercise Metabolism

Microbes in the news

Data on transfer of gut microbiota from hen to chick can inform probiotic R&D [A Czech team’s research findings provide insights for the development of next generation probiotics for poultry production in the absence of antibiotics.] – Jane Byrne

*The future of the microbiome: A conversation with Michael Fischbach [Discussion on the growing knowledge of the bacteria in our bodies, their role in our health, and how researchers like Fischbach are shaping the future of microbiome-mediated disease therapy.] – Russ Altman

July 13, 2018

Comparing affects of host physiology and diet on primate gut microbiomes, oral bacterial and fungal dysbiosis in people with HIV, contribution of non-fermentable dietary fiber to prevention of autoimmune neurological disease via the gut microbiota.

General microbiome

Tools for engineering coordinated system behaviour in synthetic microbial consortia – Nicolas Kylilis – Nature Communications

Human oral microbiome

Dysbiosis in the oral bacterial and fungal microbiome of HIV-infected subjects is associated with clinical and immunologic variables of HIV infection – Pranab K Mukherjee – PLOS ONE

Human gut microbiome

Dietary non-fermentable fiber prevents autoimmune neurological disease by changing gut metabolic and immune status – Kerstin Berer – Scientific Reports

Physiology and central carbon metabolism of the gut bacterium Prevotella copri – Thomas Franke – Molecular Microbiology

Chemotaxis of Escherichia coli to major hormones and polyamines present in human gut – Joana G Lopes – The ISME Journal

Stool Microbiota Composition Differs in Patients with Stomach, Colon, and Rectal Neoplasms – Omar Youssef – Digestive Diseases and Sciences

Animal experiments

Of Mice and Men . . . and Microbes: Conclusions and Cautions from a Murine Study of the Lung Microbiome and Microbiome-Immune Interactions – John E McGinniss – American Journal of Respiratory and Critical Care Medicine

Modulation of gut microbiota by mulberry fruit polysaccharide treatment of obese diabetic db/db mice – Chun Chen – Food & Function

Evidence for the Role of the Cecal Microbiome in Maintenance of Immune Regulation and Homeostasis – Preeti Chhabra – Annals of Surgery

Human Milk Fortification with Bovine Colostrum Is Superior to Formula‐Based Fortifiers to Prevent Gut Dysfunction, Necrotizing Enterocolitis, and Systemic Infection in Preterm Pigs – Jing Sun – Journal of Parenteral & Enteral Nutrition

Fecal Microbiota Transplantation Is Effective in Relieving Visceral Hypersensitivity in a Postinfectious Model – Tao Bai – BioMed Research International

Animal microbiome

First report of foregut microbial community in proboscis monkeys: Are diverse forests a reservoir for diverse microbiomes? – Takashi Hayakawa – Environmental Microbiology Reports

Evolutionary trends in host physiology outweigh dietary niche in structuring primate gut microbiomes – Katherine R Amato – The ISME Journal

The composition of the perinatal intestinal microbiota in cattle – Mohammad Jaber Alipour – Scientific Reports

Metagenomic evaluation of the effects of storage conditions on the bacterial microbiota of oysters Crassostrea gasar (Adanson, 1757) – Antonio Ostrensky – Journal of Applied Microbiology

16S rRNA sequencing reveals likely beneficial core microbes within faecal samples of the EU protected slug Geomalacus maculosus – Inga Reich – Scientific Reports

A Robust Noninvasive Approach to Study Gut Microbiota Structure of Amphibian Tadpoles by Feces – Xiaowei Song – Herpetology Research

Plant, root, and soil microbiome

Isolation and characterization of two phosphate-solubilizing fungi from rhizosphere soil of moso bamboo and their functional capacities when exposed to different phosphorus sources and pH environments – Yang Zhang – PLOS ONE

Water and extremophile microbiome

Hydrothermal chimneys host habitat-specific microbial communities: analogues for studying the possible impact of mining seafloor massive sulfide deposits – Yuchen Han – Scientific Reports

Food microbiology

Changes in Quality and Microbial Succession of Lightly Salted and Sugar-Salted Blunt Snout Bream (Megalobrama amblycephala) Fillets Stored at 4°C – Yan Li – Journal of Food Protection

Review: Novel approaches for Chemical and Microbiological shelf life extension of cereal crops – Marcus Schmidt – Critical Reviews in Food Science and Nutrition

Probiotics/prebiotics

The short-term impact of probiotic consumption on the oral cavity microbiome – Erik Dassi – Scientific Reports

Bioinformatics

The evolutionary signal in metagenome phyletic profiles predicts many gene functions – Vedrana Vidulin – Microbiome

More microbes

Pre-print: Listeria monocytogenes cell-to-cell spread in epithelia is heterogeneous and dominated by rare pioneer bacteria – Fabian E Ortega – bioRxiv

Microbes in the news

Gut microbiota: a new way to take your vitamins – João Carlos Gomes-Neto – Nature Reviews Gastroenterology & Hepatology