pcr detection and pfge genotype analyses of streptococcal clinical isolates from tilapia in china.large-scale streptococcal outbreaks occurred continuously in tilapia farms of china from 2009 to 2011. the objective of this study was to characterize the prevalent strains of tilapia streptococci from the main cultured areas of china through species specific pcr and pulse field gel electrophoresis (pfge). a total of 105 prevalent strains were isolated from guangdong, guangxi, hainan and fujian provinces between 2006 and 2011, 85 of which were identified as streptococcus agalactiae while the res ...201222677479
complete genome sequence of streptococcus agalactiae zq0910, a pathogen causing meningoencephalitis in the gift strain of nile tilapia (oreochromis niloticus).streptococcus agalactiae (group b streptococcus [gbs]) is a pathogen that causes meningoencephalitis in nile tilapia (oreochromis niloticus). here, we reported the complete genome sequence of s. agalactiae strain zq0910, which was isolated from the gift strain of nile tilapia in guangdong, china.201222933761
rare serotype occurrence and pfge genotypic diversity of streptococcus agalactiae isolated from tilapia in china.previously, we reported 10 pege types of 85 tilapia streptococcus agalactiae (gbs), which shifted from streptococcus iniae in china, by using pege method. presently, larger and more representative tilapia gbs were isolated, for the first time in china, to characterize their serotypes and genetic diversities more precisely than had done before. 168 gbs strains were distributed in five provinces of china, in which guangdong, guangxi and hainan were the major ones, holding 36.9% (62/168), 37.5% (63 ...201324064381
inapparent streptococcus agalactiae infection in adult/commercial tilapia.we report on inapparent infections in adult/commercial tilapia in major tilapia fish farms in guangdong. a total of 146 suspected isolates were confirmed to be s. agalactiae using an api 20 strep system and specific pcr amplification. all isolates were identified as serotype ia using multiplex serotyping pcr. an mlst assay showed single alleles of adhp (10), atr (2), glck (2), glna (1), phes (1), sdha (3) and tkt (2), and this profile was designated 'unique st 7'. the analysis of virulence genes ...201627215811
[susceptibility patterns and mechanisms of macrolide resistance in group b streptococcus isolates].to test the antibiotic susceptibility and study mechanisms of macrolide resistance in group b streptococcus isolates (gbs).200516191298
[epidemiological survey of rheumatic heart disease in schoolchildren in guangdong and xinjiang].to investigate the prevalence of rheumatic heart disease (rhd) among schoolchildren in guangdong province and xinjiang uygur autonomous region.200919778822
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