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首页> 外文期刊>Journal of Clinical Microbiology >Sialidase activity of the 'Streptococcus milleri group' and other viridans group streptococci.
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Sialidase activity of the 'Streptococcus milleri group' and other viridans group streptococci.

机译:“米氏链球菌”组和其他绿箭虫组链球菌的唾液酸酶活性。

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Viridans group streptococci were examined for the production of sialidase (neuraminidase) activity, using the fluorescent substrate 4-methylumbelliferyl-alpha-D-N-acetylneuraminic acid in a simple and rapid (15-min) assay. Sialidase was produced by all strains of Streptococcus oralis and S. intermedius and by a majority of S. mitis strains. S. mutans, S. sobrinus, S. gordonii, S. sanguis, S. vestibularis, S. salivarius, S. anginosus, S. constellatus, "S. parasanguis," and the "tufted fibril group" were uniformly negative. Sialidase production may be a useful characteristic to assist in the identification of viridans group streptococci.
机译:使用荧光底物4-甲基伞形甲酰基-α-D-N-乙酰神经氨酸,通过简单快速的检测方法(15分钟)检查了Viridans组链球菌的唾液酸酶(神经氨酸酶)活性的产生。唾液酸酶由口头链球菌和中间链球菌的所有菌株以及大部分链球菌菌株产生。变形链球菌,sobrinus链球菌,gordonii链球菌,sanguis链球菌,前庭链球菌,s.salivarius链球菌,Anginosus链球菌,parasanguis链球菌和“簇状纤丝组”均呈阴性。唾液酸酶的产生可能是有用的特征,以帮助鉴定绿豆类链球菌。

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