提示细胞壁缺陷变异可影响白喉棒状杆菌产生白喉毒素蛋白质，从而使其丧失了产生外毒素致病的作用。

And no diphtherotoxin was detected in its soluble metabolites indicating that cell wall defect might affect the production of diphtherotoxin, therefore lost its pathogenic role in exotoxin production.

youdao

提示细胞壁缺陷变异可影响白喉棒状杆菌产生白喉毒素蛋白质，从而使其丧失了产生外毒素致病的作用。

And no diphtherotoxin was detected in its soluble metabolites indicating that cell wall defect might affect the production of diphtherotoxin, therefore lost its pathogenic role in exotoxin production.

youdao