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At least 235 records · Page 13Linked to original sources
PubMed2003

Streptacidiphilus gen. nov., acidophilic actinomycetes with wall chemotype I and emendation of the family Streptomycetaceae (Waksman and Henrici (1943)AL) emend. Rainey et al. 1997.

The taxonomic position of acidophilic actinomycetes selectively isolated from acidic soils and litter was examined using a polyphasic approach. The distinct 16S rDNA phyletic branch formed by representative strains was equated with related monophyletic clades that corresponded to the genera Kitasatospora and Streptomyces. The acidophilic isolates also exhibited a distinctive pH profile, a unique 16S rDNA signature, and contained major amounts of LL-diaminopimelic acid, galactose and rhamnose in whole-organism hydrolysates. It is proposed that these acidophilic actinomycetes be assigned to a new genus, Streptacidiphilus gen. nov., on the basis of genotypic and phenotypic differences. Three species were defined on the basis of DNA:DNA pairing and phenotypic data, namely, Streptacidiphilus albus sp. nov., the type species, Streptacidiphilus neutrinimicus sp. nov. and Streptacidiphilus carbonis sp. nov. Members of the genera Kitasatospora, Streptacidiphilus and Streptomyces share a number of key characteristics and form a stable monophyletic branch in the 16S rDNA tree. It is, therefore, proposed that the description of the family Streptomycetaceae be emended to account for properties shown by Kitasatospora and Streptacidiphilus species.

Bacterial Typing Techniques↗
PubMed2005

Response to "Primary cervical cancer screening by self-sampling of human papillomavirus DNA in internal medicine outpatient clinics", by Dannecker et al. (Ann Oncol 2004; 15: 863-869) and "Histopathological validation of the sentinel node concept in cervical cancer", by Barranger et al. (Ann Oncol 2004; 15: 870-874): DNA microarrays will be instrumental in the future diagnosis of cervical dysplasia and neoplasia.

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Ambulatory Care Facilities↗
PubMed1995

Phylogenetic evidence for the transfer of Pseudomonas cocovenenans (van Damme et al. 1960) to the genus Burkholderia as Burkholderia cocovenenans (van Damme et al. 1960) comb. nov.

Pseudomonas cocovenenans, the producer of bongkrekic acid and toxoflavin, has been described previously by us (N.-X. Zhao, M.-S. Ma, Y.-P. Zhang, and D.-C. Xu, Int. J. Syst. Bacteriol. 40:452-455, 1990) in terms of more than 180 phenotypic traits, G+C content, and DNA relatedness. The bacterium conformed to section II of the genus Pseudomonas. Here, its partial 16S rRNA gene sequence was compared with those of Burkholderia spp., and the results verified that P. cocovenenans is a Burkholderia species. On the basis of the phenotype and genetic characteristics, P. cocovenenans is transferred to the genus Burkholderia as Burkholderia cocovenenans comb. nov.

Amino Acids↗
PubMed1996

Reclassification of Paenibacillus (formerly Bacillus) pulvifaciens (Nakamura 1984) Ash et al. 1994, a later subjective synonym of Paenibacillus (formerly Bacillus) larvae (White 1906) Ash et al. 1994, as a subspecies of P. larvae, with emended descriptions of P. larvae as P. larvae subsp. larvae and P. larvae subsp. pulvifaciens.

A polyphasic taxonomic study of four strains of Paenibacillus larvae and four strains of Paenibacillus pulvifaciens (including duplicates of both type strains) supported the reclassification of both former Bacillus species into one species, P. larvae. Our conclusions were based on morphological and Analytab Products (API) tests, sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) of whole-cell proteins, gas chromatography of methylated fatty acids, pyrolysis mass spectrometry, DNA-DNA binding, and the following genomic fingerprinting methods: amplified ribosomal DNA restriction analysis, random amplified polymorphic DNA analysis, and AFLP analysis. The last method is a novel high-resolution DNA fingerprinting technique based on the selective amplification of restriction fragments. Despite more than 90% DNA relatedness between the strains studied, SDS-PAGE of whole-cell proteins, biochemical tests, and DNA fingerprinting (AFLP) distinguished between the P. larvae and P. pulvifaciens strains at the subspecies level. Taking this evidence along with differences in pathogenicity, we propose to reclassify the honeybee pathogens P. larvae and P. pulvifaciens as P. larvae subsp. larvae and P. larvae subsp. pulvifaciens. An emended description of the species and descriptions of the subspecies are given. The type strains are P. larvae subsp. larvae ATCC 9545 (LMG 9820) and P. larvae subsp. pulvifaciens NRRL B-3685 (LMG 6911 and ATCC 13537).

Bacillus↗