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细菌鞭毛运动的秘密:资源分配策略背后的物理法则与生存权衡
关于大肠杆菌鞭毛基因表达的调控,科学家们也有不少发现。比如,鞭毛调节子(flagellar regulon)受分解代谢物阻遏(catabolite repression)调控,在以劣质碳源为营养生长时,鞭毛基因的表达会增加。但对于这种资源投资策略的生理意义,大家的看法并不统一。
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