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鼠疫菌的色素沉着试验(Pgm),可以检定其吸收外源性色素的能力,它是鼠疫菌毒力决定体之一;Pgm±突变率可作为鼠疫菌分型的指标之一;对鼠疫菌在蚤体内形成菌栓有着重要作用。因此Pgm试验在确定鼠疫菌生物学性状,在自然界保存和感染宿主的能力方面都有重要作用。
The Pseudomonas aeruginosa pigmentation test (Pgm) can test its ability to absorb exogenous pigments, which is one of virulence determinants of plague; Pgm ± mutation rate can be used as one of the indicators of Y. pestis; The formation of bacteria in the flea bolt has an important role. Therefore, the Pgm test plays an important role in determining the biological characteristics of Y. pestis and in preserving and infecting the host in nature.