J4 ›› 2011, Vol. 10 ›› Issue (12): 97-98.
目的：分离洱海下游水体中的肠道致病菌噬菌体，了解肠道致病菌污染情况。方法：通过噬菌斑法从洱海下游水体中分离和鉴定各种肠道致病菌噬菌体。结果：成功分离出了痢疾杆菌噬菌体、伤寒杆菌噬菌体、乙型副伤寒杆菌噬菌体、大肠杆菌噬菌体4 种肠道致病菌噬菌体。结论：洱海下游水体存在痢疾杆菌、伤寒杆菌、乙型副伤寒杆菌、大肠杆菌污染，提示需进一步加强大理周边生活污水排放的治理工作。
Objective: To investigate the distribution of intestinal bacteria in the downstream of Erhai Lake by isolation and
identification phage of intestinal bacteria. Methods: Plaque method was applied to isolate and identify bacteriophages specific to intestinal pathogens in the water of Erhai Lake. Results: Bacteriophages specific to dysentery bacillus, typhoid bacillus, paratyphoid B bacteria, E. coli were successfully isolated. Conclusion: The downstream water of Erhai Lake was contaminated by dysentery bacillus, typhoid bacillus, paratyphoid B bacteria and E. coli. This suggested that it is necessary to further strengthen the management of surrounding living sewage discharge in Dali City.
