Non-human microbiome digest, October 7, 2014

Weaning piglets, fungus-farming termites, mosquito larval stages, antibiotic resistant bacteria in soil after fertilization, and biogeography of marine microbiomes.

Mammal microbiome

Assessment of fecal bacterial diversity among healthy piglets during the weaning transition – Edward Alain B. Pajarillo – Journal of General and Applied Microbiology

“This study describes the fecal microbial shifts of healthy piglets during the weaning transition using barcoded pyrosequencing of the prokaryotic 16S rRNA gene.”

Insect microbiome

Complementary symbiont contributions to plant decomposition in a fungus-farming termite – Michael Poulsen – PNAS USA

“We analyzed the genomic potential for biomass decomposition in a farming termite, its fungal symbiont, and its bacterial gut communities. “

Composition of Anopheles coluzzii and Anopheles gambiae microbiota from larval to adult stages – Geoffrey Gimonneau – Infection, Genetics and Evolution

“We characterized bacterial communities from aquatic habitats, at surface microlayer and subsurface water levels, to freshly emerge adult mosquitoes using multiplexed 16S rRNA gene pyrosequencing”

Soil microbiome

From the Handelsman lab: Bloom of resident antibiotic-resistant bacteria in soil following manure fertilization – Nikolina Udikovic-Kolic – PNAS USA

“In this study, we found that dairy cow manure amendment enhanced the proliferation of resident antibiotic-resistant bacteria and genes encoding β-lactamases in soil even though the cows from which the manure was derived had not been treated with antibiotics. “

Niche-Partitioning of Edaphic Microbial Communities in the Namib Desert Gravel Plain Fairy Circles – Jean-Baptiste Ramond – PLOS ONE

“T-RFLP fingerprinting of the bacterial (16S rRNA gene) and fungal (ITS region) communities, in parallel with two-way crossed ANOSIM, showed that FC communities were significantly different to those of external control vegetated soil”

Temporal Changes in Soil Bacterial Diversity and Humic Substances Degradation in Subarctic Tundra Soil – Ha Ju Park – Microbial Ecology

“Culture-independent microbial community analysis showed that during the microcosm experiments, the relative abundance of phyla Proteobacteria (bacteria) and Euryarchaeota (archaea) largely increased, indicating their involvement in HS degradation. “

Water microbiome

Distinct patterns of marine bacterial communities in the South and North Pacific Oceans – Sung-Suk Suh – Journal of Microbiology

“In this study, 16S rRNA gene tag pyrosequencing was used to investigate change in bacterial community structure between summer and winter water masses from Gosung Bay in the South Sea of Korea and Chuuk in Micronesia, located in the North and South Pacific Oceans, respectively.”

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