E. coli:Escherichia coli是正常的人类肠道的一部分吗flora.E. colihas been studied intensively ingeneticsand molecular and cell biology because of its availability, its small genome size, its normal lack of pathogenicity (disease-causing ability), and its ease of growth in the laboratory.
Most strains ofE. coliare quite harmless. However, some strains ofE. coliare capable of causing disease, sometimes disease of deadly proportions.
