January 4, 2017

Implication of dysbiosis in arthritis in rats, studying soil crust biology and chemistry using metabolomics, a news article on exercise and the microbiome.

Human gut microbiome

Comprehensive analysis of polyamine transport and biosynthesis in the dominant human gut bacteria: Potential presence of novel polyamine metabolism and transport genes – Yuta Sugiyama – The International Journal of Biochemistry & Cell Biology

Animal experiments

Effects of HLA-B27 on Gut Microbiota in Experimental Spondyloarthritis Implicate an Ecological Model of Dysbiosis – Tejpal Gill – Arthritis & Rheumatology

Plant, root, and soil microbiome

Linking soil biology and chemistry in biological soil crust using isolate exometabolomics – Tami L Swenson – Nature Communications

Cooperative interactions between seed-borne bacterial and air-borne fungal pathogens on rice – Boknam Jung – Nature Communications

Synergistic action of rhizospheric fungi with Megathyrsus maximus root speeds up hydrocarbon degradation kinetics in oil polluted soil – Michael Dare Asemoloye – Chemosphere

Pre-print: Crop diversity increases disease suppressive capacity of soil microbiomes – Ariane L Peralta – bioRxiv

Microbes in the news

Exercise Alters Our Microbiome. Is That One Reason It’s So Good for Us? – Gretchen Reynolds – The New York Times

Bifidobacterium or fiber protect against deterioration of the inner colonic mucus layer – ScienceDaily

Scientists use sound to track tiny organisms in the body – Angela Chen – The Verge

Bacteria and Cancer: Another Connection – Derek Lowe – Science Translational Medicine


January 2, 2018

Happy New Year from the Microbiome Digest team!

General microbiome

Pre-print: Understanding How Microbiomes Influence The Systems They Inhabit: moving from a correlative to a causal research framework – E K Hall – bioRxiv

Human vaginal microbiome

A retrospective pilot study to determine whether the reproductive tract microbiota differs between women with a history of infertility and fertile women – Bryan A Wee – Australian and New Zealand Journal of Obstetrics and Gynaecology

Human gut microbiome

Rates of Gut Microbiome Divergence in Mammals – Alex H Nishida – Molecular Ecology

Animal microbiome

Processes shaping gut microbiota diversity in allopatric populations of the endemic lizard Podarcis lilfordi from Menorcan islets (Balearic Islands) – Laura Baldo – FEMS Microbiology Ecology

Individual- and Species-Specific Skin Microbiomes in Three Different Estrildid Finch Species Revealed by 16S Amplicon Sequencing – Kathrin Engel – Microbial Ecology

Plant, root, and soil microbiome

Vertical variation of a black soil’s properties in response to freeze-thaw cycles and its links to shift of microbial community structure – Ziming Han – Science of the Total Environment

Biomass, activity and structure of rhizosphere soil microbial community under different metallophytes in a mining site – Wenhao Yang – Plant and Soil

Symbiotic nitrogen fixation by rhizobia — the roots of a success story – Catherine Masson-Boivin – Current Opinion in Plant Biology

Water and extremophile microbiome

Microbial community structure and function in sediments from e-waste contaminated rivers at Guiyu area of China – Jun Liu – Environmental Pollution

Pre-print: Micro-scale ecology regulates particulate organic matter turnover in model marine microbial communities – Tim N Enke – bioRxiv

Food microbiology

Autochthonous facility-specific microbiota dominates washed-rind Austrian hard cheese surfaces and its production environment – Narciso M Quijada – International Journal of Food Microbiology


CoMet: a workflow using contig coverage and composition for binning a metagenomic sample with high precision – Damayanthi Herath – BMC Bioinformatics


Serial Dilution-Based Growth Curves and Growth Curve Synchronization for High-Resolution Time Series of Bacterial Biofilm Growth – Fernando Govantes – Host-Pathogen Interactions

Microbes in the news

Fiber Is Good for You. Now Scientists May Know Why. – Carl Zimmer – The New York Times

Fast, Cheap Testing for Tuberculosis? Soon It May Be Possible – Donald G McNeil – The New York Times

How probiotics can help ward off health complications in premature babies – CTV News

Science, career, and publishing

Pre-print: Disequilibrium in Gender Ratios among Authors who Contributed Equally – Nichole A Broderick – bioRxiv

December 19, 2017

Changes to the oral microbiota are associated with risk factors for oral cancer, the benefits of endophytic bacteria on plants, analysis of biofilms from a worldwide sampling of shower hoses.

Pregnancy and early life

Diversity of vaginal microbiota increases by the time of labor onset – Ekaterina Avershina – Scientific Reports

Human oral microbiome

Alterations in oral bacterial communities are associated with risk factors for oral and oropharyngeal cancer – Daniela Börnigen – Scientific Reports

Oral Microbiota: Microbial Biomarkers of Metabolic Syndrome Independent of Host Genetic Factors – Jiyeon Si – Frontiers in Cellular and Infection Microbiology

Animal experiments

Pre-print: Antenatal microbial colonisation of mammalian gut – Elisa Borghi – bioRxiv

Metagenome Analysis of Bodily Microbiota in a Mouse Model of Alzheimer Disease Using Bacteria-derived Membrane Vesicles in Blood – Jin-Young Park – Experimental Neurobiology

Animal microbiome

Differential Ecological Specificity of Protist and Bacterial Microbiomes across a Set of Termite Species – Lena Waidele – Frontiers in Microbiology

Plant, root, and soil microbiome

Pre-print: The ecological genetics of Pseudomonas syringae residing on the kiwifruit leaf surface – Christina Straub – bioRxiv

Inner Plant Values: Diversity, Colonization and Benefits from Endophytic Bacteria – Hongwei Liu – Frontiers in Microbiology

Frankia diversity in host-plant root nodules is independent of abundance or relative diversity of Frankia in corresponding rhizosphere soils – Seifeddine Ben Tekaya – Applied and Environmental Microbiology

Correlated production and consumption of chloromethane in the Arabidopsis thaliana phyllosphere – Muhammad Farhan Ul Haque – Scientific Reports

Rhizodeposition under drought is controlled by root growth rate and rhizosphere water content – Maire Holz – Plant and Soil

Water and extremophile microbiome

Localized high abundance of Marine group II archaea in the subtropical Pearl River Estuary: implications for their niche adaptation – Wei Xie – Environmental Microbiology

Thermophilic bacterial communities inhabiting the microbial mats of “indifferent” and chalybeate (iron-rich) thermal springs: Diversity and biotechnological analysis – Ramganesh Selvarajan – MicrobiologyOpen

Distribution and phylogeny of anaerobic anammonium-oxidizing (anammox) bacteria in water column of the central Pacific Ocean – Koji Hamasaki – Deap Sea Research Part II: Topical Studies in Oceanography

Built environment

Biofilms in shower hoses – Caitlin R Proctor – Water Research

Phages and viruses

Pre-print: Human Herpes Virus 6 (HHV-6) – Pathogen or Passenger? A pilot study of clinical laboratory data and next generation sequencing – Colin Sharp – bioRxiv

Pre-print: ACI-1 class A beta-lactamase is widespread across human gut microbiomes due to transposons harboured by tailed prophages – Chris M Rands – bioRxiv


Pre-print: How, when, and where relic DNA biases estimates of microbial diversity – J T Lennon – bioRxiv


Plasma microbiome-modulated indole- and phenyl-derived metabolites associate with advanced atherosclerosis and postoperative outcomes – Cori A Cason – Journal of Vascular Surgery

Best-matched internal standard normalization in liquid chromatography-mass spectrometry metabolomics applied to environmental samples – Angela K Boysen – Analytical Chemistry


Microfluidics: A new tool for microbial single cell analyses in human microbiome studies – Yuguang Liu – Biomicrofluidics

Pre-print: CLIQ-BID: A method to quantify bacteria-induced damage to eukaryotic cells by automated live-imaging of bright nuclei – Yann Wallez – bioRxiv

Mapping the ecological networks of microbial communities – Yandong Xiao – Nature Communications

More microbes

Pre-print: Molecular insights into Vibrio cholerae’s intra-amoebal host-pathogen interactions – Charles Van der Henst – bioRxiv

Nature to the natural rescue: Silencing microbial chats – Diby Paul – Chemico-Biological Interactions

Microbes in the news

Tracking effects of a food preservative on the gut microbiome – EurekAlert

Microbiome intervention with niacin aids insulin sensitivity – Medical Xpress

Wound scanner shows bacteria glowing if your body is infected – New Scientist

Engineering new cellular scaffolding for bacteria – Celia Henry Arnaud – Chemical & Engineering News

Viruses can transfer genes across the superkingdoms of life – ScienceDaily

Microbes on the market

British Health Technology Company Expanding Into Ten European Countries – PR Newswire

December 15, 2017

The leaders of ten research universities/institutes pledge to report student and postdoc outcomes in biomedical research as the Coalition for Next Generation Life Science initiative, commensal fungi and their cell-wall mannans can functionally replace benefits of intestinal bacteria, a new cheese starter system with improved bacteriophage resistance and antimicrobial activity.

Events and jobs

Postdoctoral Fellow, Functional Microbiome – Claesen Group, Department of Cellular and Molecular Medicine, Cleveland Clinic (also looking for interested graduate students)

Human nearly-sterile sites

Microorganisms in the human placenta are associated with altered CpG methylation of immune and inflammation-related genes – Martha Scott Tomlinson – PLOS ONE

Human gut microbiome

Faecal microbiota transplantation for Clostridium difficile infection using a lyophilized inoculum from non-related donors: A case series involving 19 patients – Vigvári Szabolcs – Acta Microbiologica et Immunologica Hungarica

Animal experiments

Commensal Fungi Recapitulate the Protective Benefits of Intestinal Bacteria – Tony T Jiang – Cell Host & Microbe

CCL28-Deficient Mice Have Reduced IgA Antibody–Secreting Cells and an Altered Microbiota in the Colon – Kazuhiko Matsuo – The Journal of Immunology

Animal microbiome

Behavior of bacteriome symbionts during transovarial transmission and development of the Asian citrus psyllid – Hiroki Dan – PLOS ONE

Plant, root, and soil microbiome

Root-derived carbon and nitrogen from beech and ash trees differentially fuel soil animal food webs of deciduous forests – Sarah L Zieger – PLOS ONE

Historical and recent land use affects ecosystem functions in subtropical grasslands in Brazil – Jan L G Leidinger – Ecosphere

Mechanisms of arsenic sequestration by Prosopis juliflora during phytostabilization of metalliferous mine tailings – Corin M Hammond

Transfer Mechanism, Uptake Kinetic Process and Bioavailability of P, Cu, Cd, Pb and Zn in Macrophyte Rhizosphere Using DGT – Shengrui Wang – Environmental Science & Technology

Food microbiology

A Multibacteriocin Cheese Starter System, Comprising Nisin and Lacticin 3147 in Lactococcus lactis, in Combination with Plantaricin from Lactobacillus plantarum – S Mills – Applied and Environmental Microbiology


Colonic Butyrate-Producing Communities in Humans: an Overview Using Omics Data – Marius Vital – mSystems

Discovery of carbamate degrading enzymes by functional metagenomics – Lisa Ufarté – PLOS ONE

Science, career, and publishing

A new data effort to inform career choices in biomedicine – Rebecca Blank – Science

News Feature: The science that’s never been cited – Richard Van Noorden – Nature

December 7, 2017

Meta-analysis of a collection of gut microbiome studies, characterization of two dandelion viruses, evaluation of an inclusive Research Education Community for engaging undergraduates in scientific research.

General microbiome

Bacterial social interactions and the emergence of community-intrinsic properties – Jonas Stenløkke Madsen – Current Opinion in Microbiology

Pregnancy and early life

Pre-print: Hospitalized premature infants are colonized by related bacterial strains with distinct proteomic profiles – Christopher T Brown – bioRxiv

Human gut microbiome

Gut microbiota in early life and its influence on health and disease: A position paper by the Malaysian Working Group on Gastrointestinal Health – Yeong Yeh Lee – Journal of Paediatrics and Child Health

Animal experiments

Moving beyond microbiome-wide associations to causal microbe identification – Neeraj K Surana – Nature

Plant, root, and soil microbiome

Arbuscular mycorrhizal fungus causes increased condensed tannins concentrations in shoots but decreased in roots of Lotus japonicus L – Zakaria M Solaiman – Rhizosphere

Shifts in soil microbial community, soil enzymes and crop yield under peanut/maize intercropping with reduced nitrogen levels – Jun Chen – Applied Soil Ecology

Multifarious plant growth promotion by an entomopathogenic fungus Lecanicillium psalliotae – C M Senthil Kumar – Microbiological Research

Water and extremophile microbiome

Pre-print: Optogenetics reprogramming of planktonic cells for biofilm formation – Aiguo Xia – bioRxiv

Phages and viruses

Pre-print: Molecular Identification and Characterization of Two Rubber Dandelion Amalgaviruses – Humberto J Debat – bioRxiv

Internalization of a polysialic acid-binding Escherichia coli bacteriophage into eukaryotic neuroblastoma cells – Timo A Lehti – Nature Communications


Pre-print: Personalized modeling of the human gut microbiome reveals distinct bile acid deconjugation and biotransformation potential in healthy and IBD individuals – Almut Heinken – bioRxiv

Meta-analysis of gut microbiome studies identifies disease-specific and shared responses – Claire Duvallet – Nature Communications


In vitro enteroid-derived three-dimensional tissue model of human small intestinal epithelium with innate immune responses – Ying Chen – PLOS ONE

More microbes

Galectin-3 impacts Cryptococcus neoformans infection through direct antifungal effects – Fausto Almeida – Nature Communications

Microbes in the news

Lemur study highlights role of diet in shaping gut microbiome – Erin Mckenney – Phys.Org

What Bacteria Can Tell Us About Human Evolution – Tara C Smith – Quanta Magazine

Duke launches new microbiome center, reflecting popularity of microbiome studies – Sean Cho – Duke Chronicle

Study shows first extensive and stable microbiome remodeling via B. infantis in infants – Weber Shandwick – EurekAlert

Air-eating bacteria found in Antarctica – Cosmos

The Microbes Making Themselves at Home on the Space Station – Marina Koren – The Atlantic

Microbes on the market

Breakthrough Evidence on Vomaris Bioelectric Technology’s Impact on Wound Biofilm Infection – PR Newswire

Precision Driven Health and Orion Health release Microbiome report – Voxy

Worldwide microbiome drugs market is likely to grow substantially by 2022 – Digital Journal

Science, career, and publishing

How to Keep Students in Science – Howard Hughes Medical Institute

An inclusive Research Education Community (iREC): Impact of the SEA-PHAGES program on research outcomes and student learning – David I Hanauer – PNAS

Pre-print: Assessing the Landscape of U.S. Postdoctoral Salaries – Rodoniki Athanasiadou – bioRxiv

Editorial: Great mentoring is key for the next generation of scientists – Nature

Amy’s non-microbiology picks

Organocalcium-mediated nucleophilic alkylation of benzene – Andrew S S Wilson – Science

November 28, 2017

Identification of nitrite-oxidizing bacteria important for dark ocean carbon fixation, effects of antibiotic exposure to the maternal gut microbiota extend to offspring in mice and enhance colitis, a review on genome mining for natural products discovery.

Events and jobs

Postdoc position on biofilm-mediated co-evolution of industrial strains – Biologisk Institut, University of Copenhagen, Denmark

Human skin microbiome

Measuring the microbiome of chronic wounds with use of a topical antimicrobial dressing – A feasibility study – Lindsay Kalan – PLOS ONE

Human gut microbiome

Pre-print: Endospores and other lysis-resistant bacteria comprise a widely shared core community within the human microbiota – Sean M Kearney – bioRxiv

Opinion: Human Gut Microbiome: Function Matters – Anna Heintz-Buschart – Trends in Microbiology

Review: The gut microbiome, symptoms, and targeted interventions in children with cancer: a systematic review – Jinbing Bai – Supportive Care in Cancer

Animal experiments

Intergenerational transfer of antibiotic-perturbed microbiota enhances colitis in susceptible mice – Anjelique F Schulfer – Nature Microbiology

Canagliflozin reduces plasma uremic toxins and alters the intestinal microbiota composition in a chronic kidney disease mouse model – Eikan Mishima – American Journal of Physiology, Renal Physiology

Insect-based diet, a promising nutritional source, modulates gut microbiota composition and SCFAs production in laying hens – Luca Borrelli – Scientific Reports

Animal microbiome

Comparison of the gut microbiota composition between wild and captive sika deer (Cervus nippon hortulorum) from feces by high-throughput sequencing – Yu Guan – AMB Express

Plant, root, and soil microbiome

Pre-print: The effects of host species and sexual dimorphism differ among root, leaf and flower microbiomes of wild strawberries in situ – Na Wei – bioRxiv

Water and extremophile microbiome

Major role of nitrite-oxidizing bacteria in dark ocean carbon fixation – Maria G Pachiadaki – Science

Investigating the bacterial community and amoebae population in rural domestic wastewater reclamation for irrigation – Bingjian Cui – Journal of Environmental Sciences

Phages and viruses

Review: Viruses of archaea: Structural, functional, environmental and evolutionary genomics – Mart Krupovic – Virus Research


Review: Omics-based natural product discovery and the lexicon of genome mining – Henrique Machado – Current Opinion in Microbiology

More microbes

Chromosome level assembly and secondary metabolite potential of the parasitic fungus Cordyceps militaris – Glenna J Kramer – BMC Genomics

Genomic assessment in Lactobacillus plantarum links the butyrogenic pathway with glutamine metabolism – Cristian Botta – Scientific Reports

Microbes in the news

Researchers conduct novel wheat microbiome analysis under four management strategies – Phys.Org

Fertility clinics treat abnormal vaginal bacteria aiming to improve reproductive outcome – Medical Xpress

Microbe threat to Mars – Andrew Masterson – Cosmos

Flies’ Feet Can Spread Bacteria – Kerry Grens – The Scientist

Despite Their Tiny Genome, A Beetle’s Bacteria Pack A Big Punch – Julianna LeMieux – American Council on Science and Health

CRISPR Harnessed to Turn Bacteria into Microscopic Tape Recorders – Genetic Engineering & Biotechnology News

Bacteria hysteria

Warning: Those lipstick samples could be loaded with poop, investigation finds – Mandy Matney – Sacramento Bee

Science, career, and publishing

Pre-print: A design framework and exemplar metrics for FAIRness – Mark D Wilkinson – bioRxiv

November 21, 2017

A review discussing metabolic-flux dependent regulation in microbes, diversity of coral-associated viral communities, what an Antarctic fungus can tell us about astrobiology.

General microbiome

Pre-print: Extending species-area relationships (SAR) to diversity-area relationships (DAR)© – Zhanshan Ma – aRxiv

Beneficial microbiomes: Biodiversity and potential biotechnological applications for sustainable agriculture and human health – Ajar Nath Yadav – Journal of Applied Biology and Biotechnology

Pregnancy and early life

Transmission and persistence of IncF conjugative plasmids in the gut microbiota of full-term infants – Anuradha Ravi – FEMS Microbiology Ecology

Human respiratory microbiome

Pre-print: Dynamics of the upper airway microbiome in the pathogenesis of asthma-associated persistent wheeze in preschool children – Shu Mei Teo – bioRxiv

Human gut microbiome

Pre-print: A perturbation model of the gut microbiome’s response to antibiotics – Liam P Shaw – bioRxiv

Animal experiments

Pre-print: Within host selection for faster replicating bacterial symbionts – Ewa Chrostek – bioRxiv

Plant, root, and soil microbiome

Molecular characterization of Associative N2 fixing bacterium isolated from the roots of Finger millet (Eleusine coracana L.) and its interaction effects with microbial consortia on growth and yield – G B Santosha Gowda – Research Journal of Biotechnology

Significance of temperature and water availability for soil phosphorus transformation and microbial community composition as affected by fertilizer sources – Dasheng Sun – Biology and Fertility of Soils

Water and extremophile microbiome

Prokaryotic diversity and biogeochemical characteristics of benthic microbial ecosystems at La Brava, a hypersaline lake at Salar de Atacama, Chile – Maria Eugenia Farias – PLOS ONE

Phylogenetic diversity and distribution of bacterial and archaeal amoA genes in the East China Sea during spring – Takafumi Kataoka – Archives of Microbiology

Microbes in space

Resistance of an Antarctic cryptoendolithic black fungus to radiation gives new insights of astrobiological relevance – Laura Selbmann – Fungal Biology

Phages and viruses

Pre-print: Coral-associated viral communities show high levels of diversity and host auxiliary functions – Karen D Weynberg – PeerJ

Biological Control of Pectobacterium carotovorum Via Specific Lytic Bacteriophage – Eman Marei – Journal of Basic and Applied Scientific Research


Book chapter: Chapter 1 – Metagenomics: A Paradigm Shift in Microbiology – Andrey V Mardanov – Metagenomics

More microbes

Review: Metabolic-flux dependent regulation of microbial physiology – Athanosios Litsios – Current Opinion in Microbiology

Microbes in the news

High-salt diet throws microbiome out of whack – Katharine Sanderson – Chemical & Engineering News

Rare Bacterial Taxa May Play Outsize Role in Soil Microbiome Structure, Study Suggests – Genome Web

Forsyth Institute researcher Floyd Dewhirst named as AAAS Fellow – EurekAlert

What makes soil, soil? Researchers find hidden clues in DNA – Phys.Org

Microbes on the market

PathoQuest Announces Formation of Scientific Advisory Board – Business Wire