首页 | 本学科首页   官方微博 | 高级检索  
     检索      

He-Ne激光选育高木质素降解率的白腐真菌Lx
引用本文:郭爱莲,徐金贵,杨琳.He-Ne激光选育高木质素降解率的白腐真菌Lx[J].光子学报,2001,30(6):684-687.
作者姓名:郭爱莲  徐金贵  杨琳
作者单位:西北大学生命科学学院,西安 710069
基金项目:陕西省教育厅专项基金(00JK138)资助项目
摘    要:用He-Ne激光对一株木质素降解活性较高的白腐真菌L1进行选育.将该菌的菌丝体和原生质体多次照射诱变,结果得出:在波长632.5nm,用功率为6mW和7mW照射该菌的菌丝体,选育出的菌株L6和L7木质素降解率可达38.1%和39.88%,比出发菌株L1提高了33%和39%.用功率9mW的He-Ne激光辐照原生质体,照射20min时,原生质体致死率已达100%.在照射时间为10min时,选育出一株木质素降解率达43.03%的菌株Lx,比出发菌株L1提高了50%.同工酶分析显示该菌株发生了稳定的遗传突变.

关 键 词:He-Ne激光  选育  木质素降解率  白腐真菌  突变
收稿时间:2000-10-22
修稿时间:2000年10月22

He-Ne LASER BREEDING OF THE WHITE ROT-FUNGUS Lx WITH HIGH LIGNIN DEGRADATION RATE
Guo Ailian,Xu Jingui,Yang Lin.He-Ne LASER BREEDING OF THE WHITE ROT-FUNGUS Lx WITH HIGH LIGNIN DEGRADATION RATE[J].Acta Photonica Sinica,2001,30(6):684-687.
Authors:Guo Ailian  Xu Jingui  Yang Lin
Institution:School of Life Science, Northwest University, Xi’an 710069, China
Abstract:White rot fungus L1 with high lignin degradation rates were bred by He-Ne laser The mycelia and protoplasts of L1 were exposed for some times L6 and L7 were bred respectively when the mycelia were exposed by the laser whose wave length was 632 5nm,power was 6mW and 7mW Their lignin degradation rates were 38 1% and 39 88%,increased by 33% and 39% over L1 respectively The lethality rate of L1 protoplast exposed by He-Ne laser (λ=632 5nm,power=9mW) for 20 minutes was 100% When exposure time was 10 minutes,Lx were bred The lignin degradation rate of Lx was 43 03%,increased by 50% over L1,and the analysis of esterase isozyme showed that Lx was a stable mutant strain.
Keywords:He  Ne laser  Breeding  Lignin degradation rate  White rot fungus  Mutation
本文献已被 CNKI 维普 万方数据 等数据库收录!
点击此处可从《光子学报》浏览原始摘要信息
点击此处可从《光子学报》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号