粘质沙雷菌(serratia marcescens) 是正常存在于人体中的最小细菌, 泌尿道和呼吸道是重要的贮菌部位，儿童的胃肠道也可贮菌。在机体免疫功能低下时能引起肺炎、败血症、脑膜炎以及各类感染，且对多种抗生素耐药。
灵菌红素是由若干种细菌特别是粘质沙雷菌产生的一种红色吡咯色素。
Prodigiosin is an intensely red pyrrole pigment produced by several bacteria, most notably, Serratia marcescens.
目的应用随机扩增DNA多态性（RAPD）技术对医院感染的粘质沙雷菌进行基因分型。
Objective To evaluate the genetic polymorphism of Serratia marcescens by randomly amplified polymorphic DNA (RAPD) method.
发现的其他类型的细菌包括芽孢杆菌，粘质沙雷氏菌和产气肠杆菌。
Further types of bacteria that were found include Bacillus, Serratia marcesens and Enterobacter aerogenes.
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