Non-human microbiome digest, October 14, 2014

Diatoms in aquatic animals, bacteria in agaves and soybeans, and bacteria in artificial soil.

Animal microbiome

Diatoms in cytologic specimens of aquatic animals – Part I, fecal samples – Nicole StacyDiatoms in cytologic specimens of aquatic animals – Part II, dermal, respiratory, and gastric samples – Nicole Stacy – Veterinary Clinical Pathology

“Diatoms are a common finding in cytologic samples of aquatic animals…and it is necessary to differentiate these microbiota from parasite ova or protozoa.”

Impacts of large-bodied crustaceans on the microbial loop – Krystyna Kalinowska – Hydrobiologia

“Three alien crustacean species (Daphnia pulex, Simocephalus vetulus and Macrocyclops albidus) were collected from the regional species pool and added to mesocosms that were filled with water from a eutrophic lake “

Bacterial Community Composition of Three Candidate Insect Vectors of Palm Phytoplasma (Texas Phoenix Palm Decline and Lethal Yellowing) –  Christopher M. Powell – Current Microbiology

“Individuals from each species were subjected to 16S bacterial community sequencing using the Roche 454 platform, providing new information regarding the previously unexplored bacterial communities present in putative vectors.”

Plant microbiome

Diazotrophic potential among bacterial communities associated with wild and cultivated agaves – Damaris Desgarennes – FEMS Microbiology Ecology

“Here, we investigated the bacterial communities associated with two Agave species by 16S rRNA-DGGE fingerprinting and sequencing.”

Spatio temporal influence of isoflavonoids on bacterial diversity in the soybean rhizosphere – Laura J White – Molecular Plant-Microbe Interactions

“We silenced the biosynthesis of isoflavonoids, a major component of soybean rhizodeposits, using RNA interference in hairy root composite plants, and examined changes in rhizosphere bacteriome diversity.”

Soil microbiome

Artificial soil studies reveal domain-specific preferences of microorganisms for the colonisation of different soil minerals and particles size fractions – Michael Hemkemeyer – FEMS Microbiology Ecology

“this study demonstrates that the mineral composition and the particle size fractions have specific and different selective effects on the three domains”

Improving soil bacterial taxa–area relationships assessment using DNA meta-barcoding – S Terrat – Heredity

“Our objectives in this study were to compare DNA fingerprinting and meta-barcoding approaches for evaluating soil bacterial TAR and the determinism of soil bacterial community assembly on a broad scale. “

The role of stochasticity differs in the assembly of soil- and root-associated fungal communities – Sarah Beck – Soil Biology and Biochemistry

“The importance of spatial and environmental factors in shaping fungal beta diversity was determined over a 500 km transect.”

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