October 5, 2021

Today’s digest includes a description of how probiotics modulate B cells in Peyer’s patches published in Microbiome, a review in ISME on microbial storage in soil and multiple recent Cell Host & Microbe articles covering the plant immune system and colonisation resistance to Salmonella and Klebsiella.

General microbiome

Single-colony sequencing reveals microbe-by-microbiome phylosymbiosis between the cyanobacterium Microcystis and its associated bacteria – Pérez-Carrascal et al. Microbiome

Molecular basis of a bacterial-amphibian symbiosis revealed by comparative genomics, modeling, and functional testing – Brunetti et al. ISME

Human gut microbiome

Gut microbiota involved in leptospiral infections – Xie et al. ISME

Identification of Faecalibacterium prausnitzii strains for gut microbiome-based intervention in Alzheimer’s-type dementia – Ueda et al. Cell Reports Medicine

Fecal microbial transplantation and fiber supplementation in patients with severe obesity and metabolic syndrome: a randomized double-blind, placebo-controlled phase 2 trial – Mocanu et al. Nature Medicine

Gut bacteria identified in colorectal cancer patients promote tumourigenesis via butyrate secretion – Okumura et al. Nature Communications

E. coli enhance colonization resistance against Salmonella Typhimurium by competing for galactitol, a context-dependent limiting carbon source – Eberl et al. Cell Host & Microbe

Klebsiella oxytoca causes colonization resistance against multidrug-resistant K. pneumoniae in the gut via cooperative carbohydrate competition – Osbelt et al. Cell Host & Microbe

Human Oral Microbiome

Distinct B cell subsets in Peyer’s patches convey probiotic effects by Limosilactobacillus reuteri – Liu et al. Microbiome

Human Oral Microbiome

Metagenomic analysis of ancient dental calculus reveals unexplored diversity of oral archaeal Methanobrevibacter – Granehäll et al. Microbiome

Soil & Plant microbiomes

[REVIEW] Microbial storage and its implications for soil ecology – Mason-Jones et al. ISME

Gammaproteobacteria, a core taxon in the guts of soil fauna, are potential responders to environmental concentrations of soil pollutants – Zhang et al. Microbiome

Plant immune system activation is necessary for efficient root colonization by auxin-secreting beneficial bacteria – Tzipilevich et al. Cell Host & Microbe

September 7, 2021

Today’s digest features some excellent human and mouse microbiome research, a highly detailed study of human associated Bifidobacterium longum, as well as a non microbiome picks on the history of rhinoceros in Cell and how to write a lab protocol in Nature.

General microbiome

Exploring Microbiome Functional Dynamics through Space and Time with Trait-Based Theory – Bittleston et al. mSystems

Human gut microbiome

Effects of antibiotic duration on the intestinal microbiota and resistome: The PIRATE RESISTANCE project, a cohort study nested within a randomized trial – Leo et al. EBioMedicine

Stool microRNA profiles reflect different dietary and gut microbiome patterns in healthy individuals  – Tarallo et al. Gut

Associations between the gut microbiome and metabolome in early life – Nguyen et al. BMC Microbiology

Animal Experiments

The composition of the gut microbiota following early-life antibiotic exposure affects host health and longevity in later life – Lynn et al. Cell Reports

Human gut-derived B. longum subsp. longum strains protect against aging in a D-galactose-induced aging mouse model – Xiao et al. Microbiome

Water Microbiome

Arms race in a cell: genomic, transcriptomic, and proteomic insights into intracellular phage–bacteria interplay in deep-sea snail holobionts – Zhou et al. Microbiome

Soil microbiome

Stable-Isotope-Informed, Genome-Resolved Metagenomics Uncovers Potential Cross-Kingdom Interactions in Rhizosphere Soil – Starr et al. mSphere

Bioinformatics

Powerful and robust non-parametric association testing for microbiome data via a zero-inflated quantile approach (ZINQ) – Ling et al. Microbiome

Non-microbiome picks

Ancient and modern genomes unravel the evolutionary history of the rhinoceros family – Lie et al. Cell

Five keys to writing a reproducible lab protocol – Nature

August 17, 2021

Today’s digest covers a variety of topics including an interesting preprint on how the maternal immune system shapes offspring immunity in a microbiota dependent fashion and a large human study of the Rotavirus vaccine and gut microbiota. Non microbiology picks cover some recent COVID-19 advances and a very interesting article in Science investigating energy expenditure through the human life course.

COVID-19 

No evidence of human genome integration of SARS-CoV-2 found by long-read DNA sequencing – Smits et al. Cell Reports

Ultrapotent antibodies against diverse and highly transmissible SARS-CoV-2 variants. Wang et al. Science 

Long-term perturbation of the peripheral immune system months after SARS-CoV-2 infection -Ryan et al. MedRxiv

General microbiome

Bacterial colonization dynamics and antibiotic resistance gene dissemination in the hospital environment after first patient occupancy: a longitudinal metagenetic study – Klassert et al. Microbiome

Acute SARS-CoV-2 infection is associated with an increased abundance of bacterial pathogens, including Pseudomonas aeruginosa in the nose – Rhoades et al. Cell Reports 

Meta-analysis of Clinical Microbiome Studies in Urolithiasis Reveal Age, Stone Composition, and Study Location as the Predominant Factors in Urolithiasis-Associated Microbiome Composition – mBio. Kachroo et al. 

Human gut microbiome

The fecal microbiome and rotavirus vaccine immunogenicity in rural Zimbabwean infants – Robertson et al. Vaccine

Gut microbiome ADP-ribosyltransferases are widespread phage-encoded fitness factors – Brown et al. Cell Host & Microbe

Pregnancy and Early-Life

Maternal γδ T Cells Shape Offspring Pulmonary Type-2 Immunity In A Microbiota-Dependent Manner – Papotto et al. BioRxiv

Food Microbiology

Functional strain redundancy and persistent phage infection in Swiss hard cheese starter cultures – Somerville et al. ISME

Water Microbiome

Ecogenomics and Adaptation Strategies of Southern Ocean Viral Communities – Alarcón-Schumacher et al. mSystems

Soil microbiome

Bog ecosystems as a playground for plant–microbe coevolution: bryophytes and vascular plants harbour functionally adapted bacteria – Wicaksono et al. Microbiome

Bioinformatics

HoPhage: an ab initio tool for identifying hosts of phage fragments from metaviromes. Tan et al. Bioinformatics

Sparse least trimmed squares regression with compositional covariates for high dimensional data. Monti and Filzmoser. Bioinformatics. 

Ribovore: ribosomal RNA sequence analysis for GenBank submissions and database curation. Schaffer et al. BMC Bioinformatics.

Non-microbiome picks

Daily energy expenditure through the human life course – Pontzer et al. Science

Analysis of scientific society honors reveals disparities – Le et al. Cell Systems

July 6, 2021

Several great papers today including a very interesting Cell paper on how Bifidobacterium interacts with the immune system and an mBio article on how different types of dietary fibre shape the gut microbiota.

To our Australian readers I’d like to wish a happy NAIDOC week, which is a time to celebrate the history, culture and achievements of Aboriginal and Torres Strait Islander peoples.

General microbiome

Microbiota regulate social behaviour via stress response neurons in the brain – Wu et al. Nature. 

Defining the resilience of the human salivary microbiota by a 520-day longitudinal study in a confined environment: the Mars500 mission – Bacci et al. Microbiome

A MicroRNA Gene Panel Predicts the Vaginal Microbiota Composition. Cheng et al. mSystems

Human gut microbiome

Gut microbiota mediate the FGF21 adaptive stress response to chronic dietary protein-restriction in mice – Martin et al. Nature Communications. 

Gut microbes impact stroke severity via the trimethylamine N-oxide pathway – Zhu et al. Cell Host & Microbe

Dietary Fiber Hierarchical Specificity: the Missing Link for Predictable and Strong Shifts in Gut Bacterial Communities – Centu-Jungles et al. mBio

Pregnancy and Early-Life

Bifidobacteria-mediated immune system imprinting early in life – Henrick et al. Cell

Animal microbiome

Temporal patterns in Ixodes ricinus microbial communities: an insight into tick-borne microbe interactions – Lejal et al. Microbiome

Water Microbiome

Microbiome diversity and host immune functions influence survivorship of sponge holobionts under future ocean conditions – Posadas et al. ISME

Soil microbiome

A Community Effort: Combining Functional Amplicon Sequencing and Metagenomics Reveals Potential Biosynthetic Gene Clusters Associated with Protective Phenotypes in Rhizosphere Microbiomes – Winter. mSystems.

Bioinformatics

METAnnotatorX2: a Comprehensive Tool for Deep and Shallow Metagenomic Data Set Analyses – Milani et al. mSystems

June 8, 2021

Human gut microbiome

Long-term dietary patterns are associated with pro-inflammatory and anti-inflammatory features of the gut microbiome – Bolte et al. Gut

Ginseng polysaccharides alter the gut microbiota and kynurenine/tryptophan ratio, potentiating the antitumour effect of antiprogrammed cell death 1/programmed cell death ligand 1 (anti-PD-1/PD-L1) immunotherapy – Huang et al. Gut

Human skin microbiome

Diurnal variation in the human skin microbiome affects accuracy of forensic microbiome matching – Wilkins et al. Microbiome.

Animal microbiome

Host Species and Geography Differentiate Honeybee Gut Bacterial Communities by Changing the Relative Contribution of Community Assembly Processes – Ge et al. mBio

Animal experiments

Dysbiosis exacerbates colitis by promoting ubiquitination and accumulation of the innate immune adaptor STING in myeloid cells – Shmuel-Galia et al. Immunity

Water Microbiome

Low shifts in salinity determined assembly processes and network stability of microeukaryotic plankton communities in a subtropical urban reservoir – Mo et al. Microbiome

Phages and viruses

A catalog of tens of thousands of viruses from human metagenomes reveals hidden associations with chronic diseases – Tisza and Buck. PNAS. 

Bioinformatics

A Critique of Differential Abundance Analysis, and Advocacy for an Alternative – Quinn et al. arXiv preprint. 

May 07, 2021

Human gut microbiome

Androgen-induced gut dysbiosis disrupts glucolipid metabolism and endocrinal functions in polycystic ovary syndrome – Han et al. Microbiome

Diet, obesity, and the gut microbiome as determinants modulating metabolic outcomes in a non-human primate model – Newman et al. Microbiome

Metagenomic Analysis of Common Intestinal Diseases Reveals Relationships among Microbial Signatures and Powers Multidisease Diagnostic Models – Jiang et al. mSystems

Individuals at risk for rheumatoid arthritis harbor differential intestinal bacteriophage communities with distinct metabolic potential – Mangalea et al. Cell Host & Microbe. 

Human respiratory microbiome

Integrative microbiomics in bronchiectasis exacerbations – Mac Aogáin et al. Nature Medicine

Probiotics

The International Scientific Association of Probiotics and Prebiotics (ISAPP) consensus statement on the definition and scope of postbiotics – Salminen et al. Nature Reviews Gastroenterology & Hepatology

Mycobiota/Fungi

Fungal taxonomy and sequence-based nomenclature – Lucking et al. Nature Microbiology

Host-Microbiota interactions

A Streptococcus Quorum Sensing System Enables Suppression of Innate Immunity – Rahbari et al. mBio

Bioinformatics

Tamock: simulation of habitat-specific benchmark data in metagenomics – Gerner et al. BMC Bioinformatics

Techniques

Whole lung tissue is the preferred sampling method for amplicon-based characterization of murine lung microbiota – Baker et al. Microbiome

March 16, 2021

Human gut microbiome

Strain-level functional variation in the human gut microbiota based on bacterial binding to artificial food particles – Patnode et al. Cell Host & Microbe. 

Debaryomyces is enriched in Crohn’s disease intestinal tissue and impairs healing in mice – Jain et al. Science.

Dysbiosis in Metabolic Genes of the Gut Microbiomes of Patients with an Ileo-anal Pouch Resembles That Observed in Crohn’s Disease – Dubinsky et al. mSystems

Human-associated microbiota suppress invading bacteria even under disruption by antibiotics – Letten et al. ISME

Early life 

Key bacterial taxa and metabolic pathways affecting gut short-chain fatty acid profiles in early life – Tsukuda et al. ISME

Human oral microbiome

Tonsillar Microbiota: a Cross-Sectional Study of Patients with Chronic Tonsillitis or Tonsillar Hypertrophy – Wu et al. mSystems

Animal experiments 

Long-term evolution and short-term adaptation of microbiota strains and sub-strains in mice – Yilmaz et al. Cell Host & Microbe

Bioinformatics

ContigExtender: a new approach to improving de novo sequence assembly for viral metagenomics data – Deng & Delart. BMC Bioinformatics

February 16th, 2021

Good afternoon from sunny Adelaide, Australia. Today’s digest highlights a range of interesting microbiome research, an article in Science modelling the future of SARS-CoV2, and a commentary in Cell on data sharing.

COVID-19

Immunological characteristics govern the transition of COVID-19 to endemicity – Lavine et al. Science.

Human gut microbiome

Can we modulate the breastfed infant gut microbiota through maternal diet? – Sindi et al. FEMS Microbiology Reviews. 

Impact of synbiotics on gut microbiota during early life: a randomized, double-blind study – Phavichitr et al. Scientific Reports

Adaptation of the small intestine to microbial enteropathogens in Zambian children with stunting – Amadi et al. Nature Microbiology

Genomic aberrations after short-term exposure to colibactin-producing E. coli transform primary colon epithelial cells – Iftekhar et al. Nature Communications

Animal experiments 

Human Milk-Fed Piglets Have a Distinct Small Intestine and Circulatory Metabolome Profile Relative to That of Milk Formula-Fed Piglets –  Rosa et al. – mSystems

Human oral microbiome

Impact of the repurposed drug thonzonium bromide on host oral-gut microbiomes – Simon-Soro et al. npj biofilms and microbiomes

Marine  microbiome 

Deciphering a Marine Bone-Degrading Microbiome Reveals a Complex Community Effort – Borchest et al. – mSystems

Phages and viruses

Balance between promiscuity and specificity in phage λ host range – Andrews and Fields – ISME

Bioinformatics

Resolving cryptic species complexes in marine protists: phylogenetic haplotype networks meet global DNA metabarcoding datasets – Luca et al – ISME

A “data sharing trust” model for rapid, collaborative science – Chan et al. –  Cell

A 16S rRNA Gene and Draft Genome Database for the Murine Oral Bacterial Community – Joseph et al. – mSystems 

January 19, 2021

Today’s digest includes a full list of the collection of articles looking at the prenatal microbiota that was recently published in Microbiome as well as some excellent articles from Cell Host & Microbe. 

General Microbiome

A microbial metabolite remodels the gut-liver axis following bariatric surgery – Chaudhari et al. Cell Host & Microbe. 

[REVIEW] The microbiota in pneumonia: From protection to predisposition. Thibeault et al. Science Translational Medicine. 

Prenatal Microbiome

BMC Microbiome has published a collection of articles looking at the prenatal microbiome including perspectives, and commentaries from a range of experts.  

A philosophical perspective on the prenatal in utero microbiome debate – Walter and Hornef. Microbiome. 

Batch effects account for the main findings of an in utero human intestinal bacterial colonization study – Goffau et al. Microbiome

Group therapy on in utero colonization: seeking common truths and a way forward. Silverstein and Mysorekar. Microbiome. 

Lessons learned from the prenatal microbiome controversy. Blaser et al. Microbiome. 

Microbiome or no microbiome: are we looking at the prenatal environment through the right lens? – Fricke and Ravel. Microbiome. 

Corroborating evidence refutes batch effect as explanation for fetal bacteria – Rackeiyte et al. Microbiome

Gut microbiome

Role of dietary fiber in the recovery of the human gut microbiome and its metabolome. Tanes et al. Cell Host & Microbe

Biogeography of the Relationship between the Child Gut Microbiome and Innate Immune System – Amenyogbe et al. mSystems

Associations of Genetic Variants Contributing to Gut Microbiota Composition in Immunoglobin A Nephropathy – He et al. mSystems

Traditional Human Populations and Nonhuman Primates Show Parallel Gut Microbiome Adaptations to Analogous Ecological Conditions – Sharma et al. mSystems

Animal microbiome

Heritable Gut Microbiome Associated with Salmonella enterica Serovar Pullorum Infection in Chickens –  Ding et al. mSystems 

Probiotics

Bifidobacterium bifidum strains synergize with immune checkpoint inhibitors to reduce tumour burden in mice – Lee et al. Nature Microbiology. 

December 7, 2020

Today we have some excellent review articles in Science, and Gut as well as several interesting research articles.

COVID-19 

Comparative host-coronavirus protein interaction networks reveal pan-viral disease mechanisms – Gordon et al. Science

Robust neutralizing antibodies to SARS-CoV-2 infection persist for months – Wajnberg et al. Science

General Microbiome

[REVIEW] The role of the microbiota in human genetic adaptation – Suzuki and Ley – Science 

Gut microbiome

Investigating the Role of Diet and Exercise in Gut Microbe-Host Cometabolism – Penney et al. mSystems

[REVIEW] Gut microbiota-derived metabolites as central regulators in metabolic disorders – Agus et al. Gut

Human respiratory microbiome

[REVIEW]  Ecological Succession of Polymicrobial Communities in the Cystic Fibrosis Airways. Khanolkar et al. mSystems

Animal microbiome

Metagenomic analysis reveals a dynamic microbiome with diversified adaptive functions to utilize high lignocellulosic forages in the cattle rumen – Gharechahi et al. ISME

Altitude influences microbial diversity and herbage fermentation in the rumen of yaks – Fan et al. BMC Microbiology

Bioinformatics

[REVIEW]  Analysis of microbial compositions: a review of normalization and differential abundance analysis – Lin and Peddada. Npj Biofilms and Microbiomes. 

Non-microbiome pick 

A comparative genomics multitool for scientific discovery and conservation – Zoonomia Consortium. Nature