从人类样本中鉴定出猪链球菌。
Identification of Streptococcus porcinus from human sources.
作者信息
Facklam R, Elliott J, Pigott N, Franklin A R
机构信息
Streptococcus Reference Laboratory, Centers for Disease Control and Prevention, Atlanta, Georgia 30333.
出版信息
J Clin Microbiol. 1995 Feb;33(2):385-8. doi: 10.1128/jcm.33.2.385-388.1995.
Streptococcus porcinus is normally associated with infections in swine. Cultures of this streptococcal species are rarely reported from human infections. In the past 10 years, we have identified 13 cultures of S. porcinus from human sources from persons living in the United States and Canada. Seven of the strains were identified in the past 15 months. Nine of the strains were of a single serogroup, provisionally called C1. In addition, nine of the strains were isolated from the genitourinary tract of reproductive-age female patients, some with delivery problems. S. porcinus strains could be identified by hemolytic, serologic, and physiologic characteristics. All strains were susceptible to penicillin, erythromycin, and other antimicrobial agents. Fifty-four percent of the strains were resistant to tetracycline. These findings suggest that we may be seeing a change in the flora of the genitourinary tract of humans. Whether these isolates are significant pathogens is unknown at this time.
猪链球菌通常与猪的感染有关。这种链球菌属的培养物很少从人类感染中报告。在过去10年里，我们从居住在美国和加拿大的人的人类来源中鉴定出13株猪链球菌培养物。其中7株是在过去15个月内鉴定出来的。9株菌株属于单一血清群，暂称为C1。此外，9株菌株是从育龄期女性患者的泌尿生殖道分离出来的，有些患者存在分娩问题。猪链球菌菌株可通过溶血、血清学和生理学特征进行鉴定。所有菌株对青霉素、红霉素和其他抗菌药物敏感。54%的菌株对四环素耐药。这些发现表明，我们可能正在看到人类泌尿生殖道菌群的变化。目前尚不清楚这些分离株是否为重要病原体。
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