The performance of a real-time PCR assay targeting the Tropheryma whipplei rpoB gene was evaluated using test strains and 1,236 clinical specimens in a national reference laboratory. The novel rpoB-PCR assay proved to be specific, revealed improved analytical sensitivity, and substantially accelerated detection of T. whipplei DNA in clinical specimens.
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http://dx.doi.org/10.1128/JCM.01703-13 | DOI Listing |
Int J Syst Evol Microbiol
January 2025
ABS Research Support Center, KRIBB, 125 Gwahak-ro, Yuseong-gu, Daejeon, Republic of Korea.
Two Gram-stain-negative cocci anaerobes were isolated from pig faeces and designated as strains YH-vei2232 and YH-vei2233. Phylogenetic analysis using 16S rRNA gene sequences revealed that the isolates were most closely related to KCTC 5967, with 97.0% similarity.
View Article and Find Full Text PDFJ Environ Manage
January 2025
Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, China. Electronic address:
Limited research investigating the impact of pesticides on antibiotic resistance genes (ARGs) and viral community in the gut of wild animals. In this study, we employed metagenomic to investigate the effects of glyphosate and spinetoram on the gut viral communities, ARGs, and their interactions in a key wild pollinator, bumblebees. The results showed that both 2.
View Article and Find Full Text PDFInt J Mol Sci
January 2025
School of Biological and Pharmaceutical Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China.
The Hypericaceae family, comprising nine genera and over seven hundred species, includes plants traditionally used for medicinal purposes. In this study, we performed high-throughput sequencing on three species: , , and , and conducted comparative genomic analyses with related species. The chloroplast genome sizes were 152,654 bp, 122,570 bp, and 137,652 bp, respectively, with an average GC content of 37.
View Article and Find Full Text PDFMed Microbiol Immunol
January 2025
Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Lisboa, Portugal.
\nKlebsiella pneumoniae is a common pathogen of healthcare-associated infections expressing a plethora of antimicrobial resistance loci, including ADP-ribosyltransferase coding genes (arr), able to mediate rifampicin resistance. The latter has activity against a broad range of microorganisms by inhibiting DNA-dependent RNA polymerases. This study aims to characterise the arr distribution and genetic context in 138 clinical isolates of K.
View Article and Find Full Text PDFInt J Syst Evol Microbiol
January 2025
International Reference Laboratory of Mycobacteriology, Statens Serum Institut, Copenhagen, Denmark.
Four novel nontuberculous mycobacteria were discovered from a historical strain collection at the International Reference Laboratory of Mycobacteriology at Statens Serum Institut in Copenhagen, Denmark. Phylogenetic analysis combining the 16S , internal transcribed spacer and 23S elements, as well as a single-copy core-gene (, , and ) analysis of these freeze-dried mycobacteria, clinically isolated from gastric lavage samples between 1948 and 1955, showed to be associated with type strains grouping within the Terra and Fortuitum-Vaccae clade. Phenotypic characteristics, biochemical properties and fatty acid and mycolic acid profiles supported the classification as novel strains.
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