51问答网 > 在SS培养基上长出来黑色和透明的那种菌落，菌大致上有什么区分

在SS培养基上长出来黑色和透明的那种菌落，菌大致上有什么区分

2025-03-16 06:04:28
推荐回答（1个）
回答1：

ss是沙门氏菌、志贺氏菌琼脂培养基，变形杆菌属会有中央黑色，边缘透明的特征，沙门氏和志贺氏菌会产生灰暗色的菌落特征,变黑是因为产生了H2 S，它们都是致病菌。

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