ZHAO Chang-hui.Preliminary Identification of A Strain H2 Producing Red Pigments[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(02):90-92.
一株红色素产生菌H2的初步鉴定
- Title:
- Preliminary Identification of A Strain H2 Producing Red Pigments
- 文章编号:
- 1002-2767（2012）02-0090-03
- 分类号:
- Q93-3
- 文献标志码:
- A
- 摘要:
- 从海泥中分离纯化得到1株产红色素细菌，对该菌进行生理生化分析和16S rDNA鉴定。结果表明:该菌为革兰氏阴性，H2S、V.P.、酶触及明胶液化试验呈阳性，可在4～37℃下生长。可利用的碳源有麦芽糖、纤维二糖、甘油、D-葡萄糖、D-果糖、海藻糖、蔗糖及D-甘露醇等，可利用的氮源有蛋白胨、酵母膏和牛肉膏等；16S rDNA鉴定为Serratia marcescens,并建立了H2系统发育树。
- Abstract:
- A bacterial strain producing red pigments was isolated from marine mud,its biochemical and physiological characteristics,16S rDNA sequence were investigated.The result showed that the strain was Gram negative,could produce H2S,2,3-butanediol,peroxidase,gelatinase,the growth temperature was 4～37℃.It could use maltose,cellobiase,glycerol,D-glucose,D-fructose,trehalose,sucrose,D-mannitol etc.as carbon resource,and could use peptone,yeast extract and beef extract as nitrogen resource.The strain H2 was identified as Serratia marcescens by 16S rDNA,and phylogenetic trees were constructed by neighbor joining.
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备注/Memo
基金项目：2010年湖南科技学院校级青年基金资助项目