图4. 乳酸菌分离株的部分毒力因子检测 M:DL2000 Marker;1-3、6-8、11-13和16-18:扩增gelE、ebp、espA、agg基因片段;4、9、14和19:阳性对照;5、10、15和20:阴性对照
Fig. 4. Partial virulence factor detection results of lactic acid bacteria M: DL2000 Marker; 1-3, 6-8, 11-13 and 16-18: Amplification fragment of gelE, ebp, espA and agg; 4, 9, 14 and 19: The positive control; 5, 10, 15 and 20: The negative control