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首页> 外文期刊>Bulletin of the European Association of Fish Pathologists >Surface properties of Streptococcus dysgalactiae strains isolated from marine fish
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Surface properties of Streptococcus dysgalactiae strains isolated from marine fish

机译：从海水鱼中分离出dysgalactiae链球菌菌株的表面特性

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摘要

The cell surface related properties, such as the hemagglutination capacity and hydrophobicity, of the Streptococcus dysgalactiae isolates recovered from amberjack (Seriola dumerili), yellowtail (S. quinqueradiata), and mullet species (Mugil cepalus) were examined. In addition, the relationship between these properties and the adhesion and the invasiveness of the isolates was investigated. The S. dysgalactiae isolates exhibited hydrophobic properties. Their hemagglutination activity was highest against amberjack and guinea pig erythrocytes followed by bovine, equine, and avian erythrocytes. The S. dysgalactiae isolates adhered to and invaded cells of a fish epithelial cell line cultured in vitro. It was observed that fish isolates of S. dysgalactiae had similar adhesion and possibly invasion properties with that of previous studies on S. dysgalactiae of bovine mastitis when examined in an appropriate cell line.
机译：检查了从a鱼（Seriola dumerili），yellow鱼（S. quinqueradiata）和recovered鱼种（Mugil cepalus）中回收的链球菌dysgalactiae分离株的细胞表面相关特性，例如血凝能力和疏水性。另外，研究了这些性质与分离物的粘附性和侵袭性之间的关系。 dysgalactiae分离株表现出疏水特性。它们对琥珀鱼和豚鼠的红细胞的血凝活性最高，其次是牛，马和禽类的红细胞。 dysgalactiae分离株粘附并侵入体外培养的鱼上皮细胞系的细胞。观察到，在适当的细胞系中检查时，分离出的乳腺乳链球菌的鱼分离物具有与先前对牛乳腺炎乳腺乳球菌的研究相似的粘附力和可能的侵袭特性。

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