Iron-scavenging molecules called siderophores that are produced by the native microbial residents of plant roots fend off plant pathogens such as Ralstonia solanacearum.

中文翻译：

---

根瘤菌组保护植物免受感染。

植物根部的天然微生物居民产生的铁清除分子，称为铁载体，抵御植物病原体，例如茄形青枯菌。