September 2, 2019

Good Morning! Highlights of today’s digest include an investigation with childern’s oral microbiota to show that consumption of licorice lollipop effectively reduces dental caries risk, another study showed the use of lantibiotic-producing colon commensal, Blautia producta BPSCSK, as a better probiotic agent against vancomycin-resistant gut pathogen Enterococcus faecium, and finally, to help reduce indoor air pollution, formaldehyde removal was measured to determine effectiveness of a plant-microbe technology with cultured microbes.

General Microbiology
Formation of the Francisella tularensis Biofilm is Affected by Cell Surface Glycosylation, Growth Medium, and a Glucan Exopolysaccharide – Champion et al. – Nature Research Scientific Reports

Gene expression of Porphyromonas gingivalis ATCC 33277 when growing in an in vitro multispecies biofilm – Romero-Lastra et al. – PLOS ONE

General microbiome
MiniReview: The necessity to revise Koch’s postulates and its application to infectious and non-infectious diseases: a mini-review – Hosainzadegan et al. – European Journal of Clinical Microbiology & Infectious diseases

Biofilm formation inhibition and dispersal of multi-species communities containing ammonia-oxidising bacteria – Keshvardoust et al. – Biofilms and Microbiomes

Human oral microbiome
*Lollipop containing Glycyrrhiza uralensis extract reduces Streptococcus mutans colonization and maintains oral microbial diversity in Chinese preschool children – Chen et al. – PLOS ONE

Human gut microbiome
Review: Therapeutic Opportunities in Inflammatory Bowel Disease: Mechanistic Dissection of Host-Microbiome Relationships – Plichta et al. – Cell

Age-dependent association of gut bacteria with coronary atherosclerosis: Tampere Sudden Death Study – Tuomisto et al. – PLOS ONE

Pathobiome driven gut inflammation in Pakistani children with Environmental Enteric Dysfunction – Iqbal et al. – PLOS ONE

Animal experiments
Gut microbiota from NLRP3-deficient mice ameliorates depressive-like behaviors by regulating astrocyte dysfunction via circHIPK2 – Zhang et al. – Microbiome

Chronic wound microbiome colonization on mouse model following cryogenic preservation – Tipton et al. – PLOS ONE

Ozone-induced changes in the serum metabolome: Role of the microbiome – Cho et al. – PLOS ONE

Comparison of metaproteomics workflows for deciphering the functions of gut microbiota in an animal model of obesity – Guirro et al. – Journal of Proteomics

*Microbiota-derived lantibiotic restores resistance against vancomycin-resistant Enterococcus – Kim et al. – Nature

Plant, root and soil microbiome
Metabolome and microbiome signatures in the roots of citrus affected by Huanglongbing – Padhi et al. – Phytopathology

*An efficient plant–microbe phytoremediation method to remove formaldehyde from air – Yang et al. – Environmental Chemistry Letters

Built-environment (subways, indoor surfaces)
Review: From one species to another: A review on the interaction of chemistry and microbiology in relation to cleaning in the built environment – Velazquez et al. – Indoor Air

Phages and viruses
Analyses of virus/viroid communities in nectarine trees by next-generation sequencing and insight into viral synergisms implication in host disease symptoms – Xu et al. – Nature Research Scientific Reports

Characterization of the viral genomes present in commercial batches of horse serum obtained by high-throughput sequencing – Paim et al. – Biologicals

Myoviridae Phage PDX Kills Enteroaggregative Escherichia coli without Human Microbiome Dysbiosis – Cepko et al. – bioRxiv

Phylogenetics
The number of domains in the ribosomal protein S1 as a hallmark of the phylogenetic grouping of bacteria – Machulin et al. – PLOS ONE

TreeCluster: Clustering biological sequences using phylogenetic trees – Balaban et al. – PLOS ONE

Techniques
Bayesian hierarchical negative binomial models for multivariable analyses with applications to human microbiome count data – Pendegraft et al. – PLOS ONE

Automated “Cells-To-Peptides” Sample Preparation Workflow for High-Throughput, Quantitative Proteomic Assays of Microbes – Chen et al. – J. Proteome Res.

Variations of gut microbiome profile under different storage conditions and preservation periods: A multi-dimensional evaluation – Ma et al. – bioRxiv

Microbes in the news
Depression researchers rethink popular mouse swim tests – S. Reardon – Nature News

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