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环二磷酸腺苷 (c-di-AMP)通过调控细胞膨压响应细菌细胞壁合成缺陷的 ...
最新研究发现,当细菌遭遇细胞壁合成缺陷时,新型感应蛋白CdaR会显著提升c-di-AMP水平。 这种精妙的信号传导促使胞内膨压 (turgor pressure)降低,形成双重保护机制:既避免因渗透压失衡导致的细胞裂解,又为修复受损的肽聚糖 (peptidoglycan)网络争取时间。
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