نتایج جستجو برای: rrna 16s

تعداد نتایج: 35866  

2016
Corinne Biderre-Petit Eric Dugat-Bony Mickaël Mege Nicolas Parisot Lorenz Adrian Anne Moné Jérémie Denonfoux Eric Peyretaillade Didier Debroas Delphine Boucher Pierre Peyret Paul Jaak Janssen

Here we describe the natural occurrence of bacteria of the class Dehalococcoidia (DEH) and their diversity at different depths in anoxic waters of a remote meromictic lake (Lake Pavin) using 16S rRNA gene amplicon sequencing and quantitative PCR. Detected DEH are phylogenetically diverse and the majority of 16S rRNA sequences have less than 91% similarity to previously isolated DEH 16S rRNA seq...

2011
R. B. Wu K. Munns J. Q. Li S. J. John K. Wierenga R. Sharma T. A. McAllister

Real time PCR was used in this study to determine the effect of triticale dried distillers grains with solubles (TDDGS) as a replacement for grain or barley silage in finishing diets on the presence of six classical ruminal bacterial species (Succinivibrio dextrinosolvens, Selenomonas ruminantium, Streptococcus bovis, Megasphaera elsdenii, Prevotella ruminicola and Fibrobacter succinogenes) wit...

Journal: :Applied and environmental microbiology 2004
D G Burns H M Camakaris P H Janssen M L Dyall-Smith

Haloarchaea are the dominant microbial flora in hypersaline waters with near-saturating salt levels. The haloarchaeal diversity of an Australian saltern crystallizer pond was examined by use of a library of PCR-amplified 16S rRNA genes and by cultivation. High viable counts (10(6) CFU/ml) were obtained on solid media. Long incubation times (> or =8 weeks) appeared to be more important than the ...

Actinomycetes are inexhaustible producers of commercially valuable metabolites, are continually screened for beneficial compounds. The taxonomic and phylogenetic study of novel actinomycetes strains are mostly based on conventional methods and primary DNA structure of 16s rRNA. Although 16s rRNA sequence is well accepted in phylogeny studies, its secondary structures have not been widely used. ...

Journal: :Applied and environmental microbiology 2012
Kristen M DeAngelis Mary K Firestone

We evaluated phylogenetic clustering of bacterial and archaeal communities from redox-dynamic subtropical forest soils that were defined by 16S rRNA and rRNA gene sequences. We observed significant clustering for the RNA-based communities but not the DNA-based communities, as well as increasing clustering over time of the highly active taxa detected by only rRNA.

2015
Deguo Wang Yanhong Liu Paul B. Tchounwou

Streptococcus dysgalactiae, Streptococcus uberis and Streptococcus agalactiae are the three main pathogens causing bovine mastitis, with great losses to the dairy industry. Rapid and specific loop-mediated isothermal amplification methods (LAMP) for identification and differentiation of these three pathogens are not available. With the 16S rRNA gene and 16S-23S rRNA intergenic spacers as target...

2012

Seventeen bacterial strains were isolated from 9 marine mud samples from the inshore environments of the East Sea. Four bacterial strains showed an inhibition against all tested microorganisms Staphylococcus aureus ATCC10832, Escherichia coli JM109, and Fusarium oxysporum. 16S rRNA sequences of four bacterial strains were obtained by PCR using specific primers. PCR products were cloned into E. ...

Journal: :International journal of systematic and evolutionary microbiology 2006
Rob U Onyenwoke Yong-Jin Lee Slawomir Dabrowski Birgitte K Ahring Juergen Wiegel

Although the type species of the genus Thermoanaerobium, Thermoanaerobium brockii, was transferred to Thermoanaerobacter, Thermoanaerobium acetigenum was not transferred. Therefore, Thermoanaerobium acetigenum should be reclassified. Based on 16S rRNA gene sequence analysis and re-examination of physiological properties of the type strain, X6B(T) (=DSM 7040(T) = ATCC BAA-1149(T)), we propose th...

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