Tween-esterase activity in Enterobacter sakazakii

Eva Aldová , O. Hausner , R. Postupa
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引用次数: 14

Abstract

Seventy-one of 73 E. sakazakii strains isolated in Czechoslovakia produced Tween 80 esterase; its production was slower and less intensive than in Serratia, vibrios and aeromonads. The E. sakazakii strains did not produce lecithinase (yolk reaction was negative for 8 days). The following set of tests was recommended for verification of E. sakazakii identification: pigment (was produced by 100% of strains), Tween 80 esterase (was positive in 97.3%), mucate (negative in 100%) and sorbitol (negative in 100%).

71 von 73 in der Tschechoslowakei isolierten Enterobacter sakazakii-Stämmen bildeten Tween 80-Esterase. Die Bildung verlief langsamer und war weniger intensiv als bei Serratia, Vibrionen und Aeromonaden. Die E. sakazakii-Stämme bildeten keine Lecithinase (8 Tage lang negative Eidotterreaktion). Zur Bestätigung von E. sakazakii-Isolierungen werden folgende Testungen empfohlen: Pigmentbildung (positiv bei 100% aller Stämme), Tween 80-Esterase (positiv bei 97,3%), Mucat (negativ bei 100%) und Sorbit (negativ bei 100%).

阪崎肠杆菌间酯酶活性研究
73街73号kakazakii大教堂虽然产量超过所需当代野生动植物濒危物种国际贸易公约的一员。sokazii的后续检测发现:色素(黑斑比100%为阳性),Tween 80脂质(9eil为正),mugg(负为100%)和吸收线(负为100%)。在捷克斯洛伐克的73个部族中,有71个部族组成了Tween 80脂糖。教育的发展比Serratia振动器和空气汽化器更慢也更不活跃萨卡齐群没有是野生物种国际贸易公约的一群积极反应(持续8天)。为了证实E. sakazakii的分离状态,建议进行如下测试:色素(所有氏族100%为阳性),Tween 80脂质(阳性为97.3),Mucat(阳性为100%)和Sorbit(负值为100%)。
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