Non-human microbiome digest, October 6, 2014

Microbiomes of cats with diabetes, vaginas of ewes and cows, chickens, hoopoes, Drosophila, sponges, plants, and subways.

Mammal Microbiome

* Faecal Microbiota of Cats with Insulin-Treated Diabetes Mellitus – Erin T. Bell – PLOS ONE

“Faecal samples were collected from insulin-treated diabetic and non-diabetic cats, and Illumina sequencing of the 16S rRNA gene and quantitative PCR were performed on each sample. “

Characterization of the vaginal microbiota of ewes and cows reveals a unique microbiota with low levels of lactobacilli and near-neutral pH – JD Swartz, M Lachman, K Westveer, T O’Neill, T Geary – Frontiers in Veterinary Science

“We amplified and sequenced the V3-V4 region of the 16S ribosomal RNA contents yielding a total of 907,667 high-quality reads. “

Avian microbiome

The chicken gastrointestinal microbiome – Brian B. Oakley – FEMS Microbiology Letters

“In this mini-review, we provide an overview of the current state of knowledge of the chicken GI microbiome focusing on spatial and temporal variability, the presence and importance of human pathogens, the influence of the microbiota on the immune system, and the importance of the microbiome for poultry nutrition.”

Environmental Factors Shape the Community of Symbionts in the Hoopoe Uropygial Gland More than Genetic Factors – Magdalena Ruiz-Rodríguez – Applied and Environmental Microbiology

“By disentangling the diversity of bacterial strains from the uropygium of hoopoes (Upupa epops) due to genetic relatedness or to a common environment, we explored the importance of horizontal (from the environment) and vertical (from parents) acquisition of antimicrobial-producing symbionts in this species.”

Insect Microbiome

Metagenome-Wide Association of Microbial Determinants of Host Phenotype in Drosophila melanogaster – John M. Chaston – mBio

“Monoassociation with bacteria that ectopically expressed a predicted oxidoreductase or gluconate dehydrogenase conferred reduced Drosophila TAG contents relative to the TAG contents in empty vector controls.”

Invertebrate microbiome

* Microbial Communities and Bioactive Compounds in Marine Sponges of the Family Irciniidae—A Review – Cristiane C. P. Hardoim and Rodrigo Costa – Marine Drugs

“The structure of these symbiont assemblages is shaped by the sponge host and is highly stable over space and time. “

Plant microbiome

Microbial genome-enabled insights into plant–microorganism interactions – David Guttman, Alice C. McHardy & Paul Schulze-Lefert – Nature Reviews Genetics

“… culture-independent community profiling methods, coupled with metagenomic and metatranscriptomic studies, have provided the first insights into the emerging field of research on plant-associated microbial communities.”

Soil microbiome

Site- and horizon-specific patterns of microbial community structure and enzyme activities in permafrost-affected soils of Greenland – Antje Gittel – Frontiers in Microbiology

“We assessed microbial community structure and diversity (SSU rRNA gene tag sequencing, quantification of bacteria, archaea and fungi), and measured hydrolytic and oxidative enzyme activities.”

Water microbiome

Illuminating Microbial Dark Matter in Meromictic Sakinaw Lake – Esther A. Gies – Applied and Environmental Microbiology

“Here we describe diversity, abundance, and cooccurrence patterns of uncultivated microbial communities inhabiting the permanently stratified waters of meromictic Sakinaw Lake, British Columbia, Canada, using 454 sequencing of the small-subunit rRNA gene with three-domain resolution.”

Microbiome of the built environment

* Indoor-Air Microbiome in an Urban Subway Network: Diversity and Dynamics – Marcus H. Y. Leung – Applied and Environmental Microbiology

“Overall, subway lines harbored different phylogenetic communities based on α- and β-diversity comparisons, and closer inspection suggests that each community within a line is dependent on architectural characteristics, nearby outdoor microbiomes, and connectedness with other lines. “

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