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Open AccessJournal ArticleDOI

Functional genetics of human gut commensal Bacteroides thetaiotaomicron reveals metabolic requirements for growth across environments

TLDR
In this article, the authors measured the growth of a barcoded transposon mutant library of the gut commensal Bacteroides thetaiotaomicron on 48 carbon sources, in the presence of 56 stress-inducing compounds, and during mono-colonization of gnotobiotic mice.
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This article is published in Cell Reports.The article was published on 2021-03-02 and is currently open access. It has received 50 citations till now. The article focuses on the topics: Bacteroides thetaiotaomicron.

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Rapid ordering of barcoded transposon insertion libraries of anaerobic bacteria

TL;DR: In this article, a protocol was developed to assemble ordered libraries of transposon insertion mutants that is fast, cheap and effective for even strict anaerobes by making use of cell sorting to order the library and barcoded transposons to facilitate the localization of ordered mutations.
Journal ArticleDOI

Quantifying rapid bacterial evolution and transmission within the mouse intestine.

TL;DR: In this article, the authors introduced hundreds of barcoded Escherichia coli strains into germ-free mice and quantified strain-level dynamics and metagenomic changes, highlighting the interplay between environmental transmission and rapid, deterministic selection during evolution of the intestinal microbiota.
Journal ArticleDOI

Oregano Essential Oils Promote Rumen Digestive Ability by Modulating Epithelial Development and Microbiota Composition in Beef Cattle.

TL;DR: In this article, the effects of oregano essential oils (OEO) on the rumen digestive ability using multi-omics sequencing techniques were explored, and it was found that OEO supplementation increased the ruminant digestive ability by modulating epithelial development and microbiota composition.
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The Intestinal Microbiota May Be a Potential Theranostic Tool for Personalized Medicine

TL;DR: The relationship between intestinal dysbiosis and pathologies is understood, through the research of resident microbiota, that would allow the personalization of the therapeutic antibiotic strategy.
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Genomics-Based Reconstruction and Predictive Profiling of Amino Acid Biosynthesis in the Human Gut Microbiome

TL;DR: The obtained reference collection of binary metabolic phenotypes was used for predictive metabolic profiling of HGM samples from several large metagenomic datasets and will be useful for prediction of overall metabolic properties, interactions, and responses of H GM microbiomes as a function of dietary variations, dysbiosis and other perturbations.
References
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Journal ArticleDOI

Nutritional features of Bacteroides fragilis subsp. fragilis.

TL;DR: The results indicate the great biosynthetic ability of these organisms and suggest that, in their ecological niche within the large intestine, many nutrients are in very low supply, whereas materials such as ammonia, heme, and vitamin B(12), or related compounds, must be available during much of the time.
Posted ContentDOI

Index switching causes “spreading-of-signal” among multiplexed samples in Illumina HiSeq 4000 DNA sequencing

TL;DR: It is shown that low levels of free index primers persist after the most common library purification procedure recommended by Illumina, and that the amount of signal spreading among samples is proportional to the level of freeindex primer present in the library pool.
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Bile salts modulate expression of the CmeABC multidrug efflux pump in Campylobacter jejuni.

TL;DR: A new mechanism that modulates the expression of cmeABC is revealed and further support the notion that bile resistance is a natural function of CmeABC.
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Genetic determinants of in vivo fitness and diet responsiveness in multiple human gut Bacteroides

TL;DR: A generalizable approach is presented by which to identify fitness determinants for multiple bacterial strains simultaneously in a model human gut microbiota, obtain gene-level characterization of responses to diet change, and design prebiotics for precision microbiota manipulation.
Journal ArticleDOI

Biochemistry of complex glycan depolymerisation by the human gut microbiota.

TL;DR: How various adaptive mechanisms that operate across the major phyla of the HGM contribute to glycan utilisation are reviewed, focusing on the most complex carbohydrates presented to this ecosystem.
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