نتایج جستجو برای: mlst
تعداد نتایج: 1918 فیلتر نتایج به سال:
گونه های کاندیدا مخمرهایی هستند که در همه جا یافت می شوند و به راحتی از محیط جدا می شوند. آن ها جزء پاتوژن های فرصت طلب انسان ها هستند. کاندیدیازیس در بیماران با ضعف سیستم ایمنی، نیازمند تشخیص و اقدام درمانی سریع می باشد. کاندیدا آلبیکنس بیشترین گونه جدا شده از این بیماران است. جهت پیشگیری از عفونت های بیمارستانی ناشی از کاندیدا آلبیکنس، تشخیص مولکولی آن ها برای درک بهتر اپیدمیولوژی این عفونت ه...
The widespread nature of Listeria monocytogenes and its presence in soil agricultural environments, make it a challenging pathogen to control the produce industry. objective this study was assess diversity spp. isolates (n = 113) previously recovered from five handling processing facilities Pacific Northwest, using molecular antibiogram typing. Antimicrobial resistance (AMR) profiles were obtai...
In vitro activities of colistin and other drugs were tested against 221 Klebsiella pneumoniae isolates that were collected between 2006 and 2007 in nine tertiary care South Korean hospitals from patients with bacteremia. The clonality of colistin-resistant K. pneumoniae (CRKP) isolates was assessed by multilocus sequence typing (MLST). We found that 15 isolates (6.8%) were resistant to colistin...
Campylobacter species are one of the leading causes of foodborne disease in the United States. Campylobacter jejuni and Campylobacter coli are the two main species of concern to human health and cause approximately 95% of human infections. Molecular typing methods, such as pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) are often used to source track foodborne bact...
Erysipelothrix rhusiopathiae infections re-emerged as a matter of great concern particularly in the poultry industry. In contrast to porcine isolates, molecular epidemiological traits of avian E. rhusiopathiae isolates are less well known. Thus, we aimed to (i) develop a multilocus sequence typing (MLST) scheme for E. rhusiopathiae, (ii) study the congruence of strain grouping based on pulsed-f...
BACKGROUND Globally, over 800 000 children under five die each year from infectious diseases caused by Streptococcus pneumoniae. To understand genetic relatedness between isolates, study transmission routes, assess the impact of human interventions e.g. vaccines, and determine infection sources, genotyping methods are required. The 'gold standard' genotyping method, Multi-Locus Sequence Typing ...
Despite the increasing popularity of multilocus sequence typing (MLST), the most appropriate method for characterizing bacterial variation and facilitating epidemiological investigations remains a matter of debate. Here, we propose that different typing schemes should be compared on the basis of their power to infer clonal relationships and investigate the utility of sequence data for genealogi...
Sequence typing and comparison of population biology of Campylobacter coli and Campylobacter jejuni.
A multilocus sequence typing (MLST) scheme that uses the same loci as a previously described system for Campylobacter jejuni was developed for Campylobacter coli. The C. coli-specific primers were validated with 53 isolates from humans, chickens, and pigs, together with 15 Penner serotype reference isolates. The nucleotide sequence of the flaA short variable region (SVR) was determined for each...
The present study evaluates the performance of the staphylococcal interspersed repeat unit (SIRU) method applied to a diverse collection of 104 Staphylococcus aureus isolates previously characterized by pulsed-field gel electrophoresis (PFGE), spa typing, multilocus sequence typing (MLST), and staphylococcal cassette chromosome mec typing for methicillin-resistant S. aureus. The SIRU method dis...
The multilocus sequence typing (MLST) scheme of Ureaplasma based on four housekeeping genes (ftsH, rpL22, valS, and thrS) was described in our previous study; here we introduced an expanded MLST (eMLST) scheme with improved discriminatory power, which was developed by adding two putative virulence genes (ureG and mba-np1) to the original MLST scheme. To evaluate the discriminatory power of eMLS...
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