这个词是什么意思？
A genus of bacteria that form a nonfragmented aerial mycelium. Many species have been identified with some being pathogenic. This genus is responsible for producing a majority of the ANTI-BACTERIAL AGENTS of practical value.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013302 · MeSH 2026。
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