An antibacterial substance, such as colicin, produced by a strain of certain bacteria and harmful to another strain within the same family.
素：一种抗物质，如大肠素，由某种细的株产
，对同一
系中另外的株有害
素An antibacterial substance, such as colicin, produced by a strain of certain bacteria and harmful to another strain within the same family.
素：一种抗物质，如大肠素，由某种细的株产，对同一系中另外的株有害
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