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一株高产灵菌红素粘质沙雷氏菌的筛选与鉴定
引用本文:韦凤,蒋冬花,蔡琪敏,宋迤明.一株高产灵菌红素粘质沙雷氏菌的筛选与鉴定[J].浙江师范大学学报(自然科学版),2011,34(3):339-344.
作者姓名:韦凤  蒋冬花  蔡琪敏  宋迤明
作者单位:浙江师范大学 化学与生命科学学院,浙江 金华,321004
基金项目:浙江省公益性技术应用研究计划项目
摘    要:通过筛选自然生境中的产色素菌株,从淡水鱼体中分离得到一株高产红色色素的Sm-128菌株.经形态观察、生理生化实验和16S rDNA基因序列分析,鉴定Sm-128菌株为粘质沙雷氏菌(Serratia marcescens).结合紫外吸收光谱及薄层色谱分析,证实Sm-128菌株所产色素为灵菌红素,粗品产量达475 mg/L.

关 键 词:粘质沙雷氏菌  灵菌红素  筛选  鉴定

Screening and identification of Serratia marcescens high-producing prodigiosin
WEI Feng,JIANG Donghua,CAI Qimin,SONG Yiming.Screening and identification of Serratia marcescens high-producing prodigiosin[J].Journal of Zhejiang Normal University Natural Sciences,2011,34(3):339-344.
Authors:WEI Feng  JIANG Donghua  CAI Qimin  SONG Yiming
Institution:WEI Feng,JIANG Donghua,CAI Qimin,SONG Yiming (College of Chemistry and Life Science,Zhejiang Normal University,Jinhua Zhejiang 321004,China)
Abstract:A red pigment producing bacterial strain was screened from a freshwater fish body through isolating color bacteria in nature.This strain was identified as Serratia marcescens based on morphological,physiological characters and 16S rDNA gene sequence.This pigment was demonstrated belong to prodigiosin on the basis of UV spectrum and TLC.The yield of crude prodigiosin reached at 475 mg/L.
Keywords:Serratia marcescens  prodigiosin  screening  identification  
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