It has been found inbacteria that FtsZ,MreB,CreS,as the bacterial cytoskeletal proteins,were homologous to the three primary eukary-otic cytoskeletal proteins,tubulin,actin filament and intermediate filament,respectively.

• 目前已经在细菌中发现的FtsZ、MreB和CreS依次与真核细胞骨架蛋白中的微管蛋白、肌动蛋白丝及中间丝类似。