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OALib Journal期刊
ISSN: 2333-9721
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一株兼性嗜冷小甲烷粒菌的生物学特性及系统发育分析
DOI: 10.3724/SP.J.1145.2010.00705, PP. 705-709
Keywords: 小甲烷粒菌,产甲烷菌,16srdna,系统发育分析
Abstract:
采用改进的亨盖特（hungate）厌氧技术，从西藏林芝厌氧消化系统中分离到一株产甲烷菌菌株lz-6.该菌株为革兰氏阴性，不运动，球形，直径约0.3~0.6μm.该菌株利用h2/co2，微利用甲酸生长，不利用乙酸、甲醇、甲醇/h2、三甲胺、甲胺，最适生长ph为6.8~7.2，最适生长温度25℃，最适na+浓度0.2mol/l.菌株lz-6的16srrna基因序列与小甲烷粒菌（methanocorpusculumparvum）相似性为99%.生理、形态结构特征等生物学特性研究表明此株产甲烷古菌为兼性嗜冷产甲烷古菌.图3表2参17
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