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Long-Term Spatiotemporal Stability and Dynamic Changes in the Haemoparasite Community of Bank Voles (Myodes glareolus) in NE Poland.
We sampled three semi-isolated populations of bank voles (n = 880) in 1999, 2002, 2006 and 2010 in the Mazury lake district region of NE Poland. Overall, 90.8 % of the bank voles harboured at least one of the species of haemoparasites studied. Whilst overall prevalence (all species combined) did not...
Characterization of aid1, a Novel Gene Involved in Fusobacterium nucleatum Interspecies Interactions.
We describe a novel protein encoded by the predicted open reading frame FN1253 that appears to play a role in interspecies interactions of F. nucleatum, particularly with oral streptococci and related Gram-positive species. We designated FN1253 as aid1 (Adherence Inducing Determinant 1). Expression...
Plasmid-Related Quinolone Resistance Determinants in Epidemic Vibrio parahaemolyticus, Uropathogenic Escherichia coli, and Marine Bacteria f...
Marine bacteria from aquaculture areas with industrial use of quinolones have the potential to pass quinolone resistance genes to animal and human pathogens. The VPA0095 gene, related to the quinolone resistance determinant qnrA, from clinical isolates of epidemic Vibrio parahaemolyticus conferred r...
Analysis of rumen methanogen diversity in water buffaloes (Bubalus bubalis) under three different diets.
We investigated the diversity of rumen methanogens in Mediterranean water buffaloes maintained in Brazil under different diets: corn silage, grazing pasture, or sugar cane. A total of 467 clones were isolated from three methanogen 16S rRNA gene clone libraries that each represented a distinct feed t...
Quantifying Ostreid herpesvirus (OsHV-1) genome copies and expression during transmission.
We employed quantitative polymerase chain reaction (qPCR) assays based on the A fragment and OsHV-1 catalytic subunit of a DNA polymerase δ (DNA pol) gene. Viral genome copy numbers based on qPCR assays peaked between 3 and 5 days. To measure the presence of viable and actively transcribing virus,...
Differences between bacterial communities associated with the surface or tissue of Mediterranean sponge species.
Bacterial communities associated with the surfaces of several Mediterranean sponge species (Agelas oroides, Chondrosia reniformis, Petrosia ficiformis, Geodia sp., Tethya sp., Axinella polypoides, Dysidea avara, and Oscarella lobularis) were compared to those associated with the meso...
How a bacterial community originating from a contaminated coastal sediment responds to an oil input.
We concluded that "Etang-de-Berre" bacterial communities inhabiting oiled sediments for decades adopted a specific structure depending on oil presence and were able to face hydrocarbon contamination quickly and efficiently....
Community analysis reveals close affinities between endophytic and endolichenic fungi in mosses and lichens.
We evaluate whether these fungi represent distinct ecological guilds or a single guild of flexible symbiotrophs capable of colonizing plants or lichens indiscriminately. Culturable fungi were sampled exhaustively from replicate sets of phylogenetically diverse plants and lichens in three microsites...
Diversity and abundance of ammonia-oxidizing bacteria and ammonia-oxidizing archaea during cattle manure composting.
We investigated the relative diversity and abundance of AOB and AOA using cloning procedures, denaturing gradient gel electrophoresis analysis, and real-time PCR during several stages in the process of cattle manure composting. Our results revealed that the AOB community structure changed during the...
Bacterial diversity of weathered terrestrial Icelandic volcanic glasses.
The diversity of microbial communities inhabiting two terrestrial volcanic glasses of contrasting mineralogy and age was characterised. Basaltic glass from a <0.8 Ma hyaloclastite deposit (Valafell) harboured a more diverse Bacteria community than the younger rhyolitic glass from app...