Lower concentrationCTZ induced more FLPS and higher concentration induced fewer FLPS CTZmade bacterial morphology change from rod?shape to filamentation, butminute quantities filaznentation with lysis status were remained.

• CTZ低浓度诱导高量FLPS，高浓度诱导低量FLPS产生。 CTZ使菌体由小杆状变为大量长丝状；