检索历史 清除

对海南省2021年临床分离的4株血清型2型猪链球菌进行了培养纯化、基质辅助激光解吸/电离飞行时间质谱仪和生化分析鉴定、药敏试验、耐药基因检测和多位点序列分型。菌株1和菌株2为ST7型，菌株3为ST1型，菌株4为ST2302型；4株菌株对左氧氟沙星、青霉素、美罗培南、利奈唑胺、头孢曲松、头孢吡肟和达托霉素均敏感，3株对四环素、红霉素和阿奇霉素具有耐药性，2株对克林霉素和氨苄西林耐药，1株对氯霉素和万古霉素耐药，提示海南省多个地区可能存在猪链球菌感染源，猪链球菌ST分子分型呈现多样化。

Culture and purification, identification by matrix-assisted laser desorption/ionization time-of-flight mass spectrometer and biochemical assay, drug sensitive test, resistance gene detection and multilocus sequence typing were conducted for 4 strains of serotype 2 Streptococcus suis isolated from clinical specimens in 2021, Hainan Province. The results showed that Strain 1 and Strain 2 were ST7 type, Strain 3 was ST1 type, and Strain 4 was ST2302 type. The strains are sensitive to levofloxacin, penicillin, meropenem, linezolid, ceftriaxone, cefepime, and daptomycin. Three strains are resistant to tetracycline, erythromycin, and azithromycin, two strains are resistant to clindamycin and ampicillin, and one strain is resistant to chloramphenicol and vancomycin. There may be sources of Streptococcus suis infection in multiple regions of Hainan Province, and the ST molecular typing of Streptococcus suis is diverse.