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


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


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


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


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