The virulent C7-0 strain of Pseudomonas mallei was gradually attenuated by repeated irradiation with 0Co-γ ray and/or serial subcultivation in broth at gradient temperature( 8. -℃).
The virulent C7-0 strain of Pseudomonas mallei was gradually attenuated by repeated irradiation with 0Co-γ ray and/or serial subcultivation in broth at gradient temperature( 8. -℃).
将马鼻疽强毒菌C7-0株经0Co-γ射线照射和在温度递增的肉汤中传代培养,使其毒力逐渐减弱。