Publications by authors named "J A Saez-Nieto"
Streptococcus suis, a zoonotic bacterial pathogen circulated through swine, can cause severe infections in humans. Because human S. suis infections are not notifiable in most countries, incidence is underestimated.
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- Strain HF14-78462 is a novel environmental bacterium discovered in a clinical sample from an immunocompromised patient in Spain in 2014, characterized as Gram-negative, aerobic, small rods that form whitish-translucent colonies at temperatures between 20-36°C.!* -
- The strain exhibits specific biochemical properties: it is oxidase, catalase, and urease positive, utilizes multiple carbon sources, but does not grow in thiosulfate-oxidizing media and has a narrower temperature range compared to similar strains.!* -
- Genomic analysis shows that strain HF14-78462 has a genome size of 4.83 Mbp with a C+G content of
Identification and antimicrobial susceptibility of and other unusual clinical isolates in Spain.
New Microbes New Infect
November 2021
Two hundred and eighty-six isolates from human clinical samples were identified between 1996 and 2019 as belonging to 8 families, 19 genera and 88 species of . The most identified genera were (182 strains from 45 species), (29 strains, 5 species), (21 strains, 6 species) and (18 strains, 5 species). The rest of the identified genera (15) contained 27 species with 36 isolates.
View Article and Find Full Text PDFThe aim of this study is to present the first nationwide microbiological and epidemiological study of invasive group A Streptococcus (iGAS) disease in Spain. One thousand eight hundred ninety-three iGAS isolates were analyzed over 2007-2019. emm typing was performed by sequencing the gene's variable 5' end, exotoxin genes were identified by PCR, and antimicrobial susceptibility explored via the E test and disk diffusion.
View Article and Find Full Text PDFOur objective was to improve current knowledge of sporadic (Spo) nosocomial (Acb) complex populations, and thus better understand the epidemiology of Spo and endemoepidemic (EE) strains. Between 1999 and 2010, 133 isolates of Spo Acb complex were obtained from a single hospital. Species were identified by B-PCR, and via B- and B-sequencing.
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