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Position: Home > Articles > Isolation,Characterization and Anti-cancer Activity of Two Ganoderma leucocontextum Strains Acta Edulis Fungi 2017,24 (1) 50-54

两株西藏白肉灵芝菌株特性初探

作  者：
胡惠萍;刘远超;莫伟鹏;黄龙花;张一帆;李泰辉;陈蓉;谢意珍
单  位：
广东省微生物研究所;广东粤微食用菌技术有限公司;林芝市科技开发交流服务中心
关键词：
白肉灵芝;三萜;抗肿瘤;多糖
摘  要：
对西藏林芝地区的白肉灵芝(Ganoderma leucocontextum)菌株G-122和G-241进行鉴别分析,并对其栽培性状、有效成分含量和提取物功能等方面进行研究。基于形态学特性和ITS分析,2个菌株均鉴定为白肉灵芝。二者菌丝对峙培养产生明显拮抗线,菌丝体生物量差异显著(G-241高于G-122),子实体颜色不同(G-241和G-122分别为红褐色和黄褐色),G-241子实体单菇重高于G-122;有效成分含量差异也较大,G-122粗多糖含量高而G-241总三萜含量高;菌株G-122、G-241醇提物对乳腺癌MT-1细胞IC_(50)值分别为265.2和225.6μg/mL。实验结果表明菌株G-122和G-241为不同菌株。
译  名：
Isolation,Characterization and Anti-cancer Activity of Two Ganoderma leucocontextum Strains
作  者：
HU Huiping;LIU Yuanchao;MO Weipeng;HUANG Longhua;ZHANG Yifan;LI Taihui;CHEN Rong;XIE Yizhen;Guangdong Institute of Microbiology,State Key Laboratory of Applied Microbiology Southern China,Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application,Guangdong Open Laboratory of Applied Microbiology;Guangdong Yuewei Edible Fungi Technology Co.Ltd.;The Technological Development Exchange Service Center of Linzhi;
关键词：
Ganoderma leucocontextum;;triterpenoid;;anti-neoplastic;;polysaccharide
摘  要：
Two Ganoderma isolates were collected from the wild near Linzhi City,Tibet,and identified as two separate strains of G.leucocontextum(G-122 and G-241)based on mycelial growth antagonism,fruit body morphology and ITS sequence analysis.Fruit body color also differed(G-122 produced yellow-brown pilei compared to the red-brown pilei of G-241),and the average weight of individual fruit bodies and the biological efficiency were both higher in the case of G-241.Ethanolic extracts of G-122 contained higher levels of crude polysaccharide compared to triterpenoids,whereas the reverse was true for G-241.Both G-122 and G-241 extracts inhibited the proliferation of MT-1breast cancer cells with IC_(50) values of 265.2and225.6μg/mL,respectively.

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