[1]杜艳,刘永锋,常有宏,等.梨炭疽病菌原生质体遗传转化体系的建立及GFP标记菌株的获得[J].江苏农业学报,2017,(02):295-300.[doi:doi:10.3969/j.issn.1000-4440.2017.02.009]
 DU Yan,LIU Yong-feng,CHANG You-hong,et al.Establishment of genetic transformation system of Colletotrichum gloeosporioides protoplast and generation of GFP-tagged transformants[J].,2017,(02):295-300.[doi:doi:10.3969/j.issn.1000-4440.2017.02.009]
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梨炭疽病菌原生质体遗传转化体系的建立及GFP标记菌株的获得()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年02期
页码:
295-300
栏目:
植物保护
出版日期:
2017-04-30

文章信息/Info

Title:
Establishment of genetic transformation system of Colletotrichum gloeosporioides protoplast and generation of GFP-tagged transformants
作者:
杜艳1刘永锋1常有宏2蔺经2乔俊卿1刘邮洲1
(1. 江苏省农业科学院植物保护研究所,江苏南京210014;2. 江苏省农业科学院园艺研究所,江苏南京210014)
Author(s):
DU Yan1LIU Yong-feng1CHANG You-hong2LIN Jing2QIAO Jun-qing1LIU You-zhou1
(1. Institute of Plant Protection, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China; 2. Institute of Vegetable Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China)
关键词:
梨炭疽病菌遗传转化原生质体GFP标记菌株
Keywords:
Colletotrichum gloeosporioides genetic transformation protoplast GFP-tagged transformants
分类号:
S661.2
DOI:
doi:10.3969/j.issn.1000-4440.2017.02.009
文献标志码:
A
摘要:
为建立梨炭疽病菌的原生质体遗传转化体系,以梨炭疽病菌菌株II-17为供试菌株,研究了菌龄、酶解液组合及酶解时间等对梨炭疽病菌原生质体制备的影响。结果表明,制备梨炭疽病菌原生质体的适宜条件为:CM液体培养基培养分生孢子24 h后,再转接到新的CM液体培养基中培养24 h,获得新鲜的菌丝;最适酶解液组合为9.0 mg/ml裂解酶+1.0 mg/ml崩溃酶+1.0 mg/ml蜗牛酶;酶解时间为2.5~3.0 h时酶解效率最高。对获得的转化子进行PCR鉴定和荧光观察,结果表明,GFP标记基因已成功整合到梨炭疽病菌的基因组中,转化子发出强烈的绿色荧光且遗传性稳定。致病性测定结果表明,转化子致病性与野生型菌株无明显差别,成功获得了梨炭疽病菌的GFP标记菌株。
Abstract:
To establish PEG-mediated genetic transformation of Colletotrichum gloeosporioides, single spore isolate II-17 of Colletotrichum gloeosporioides was used as a material of genetic transformation, culture time, enzyme mixtures and digestion time was studied in this study. The result showed that mycelia was cultured in CM liquid medium for 24 h, and then transferred to new CM liquid medium for 24 h, which was suitable for protoplast generation. The enzyme mixture was 9.0 mg/ml lysing enzyme, 1.0 mg/ml driselase and 1.0 mg/ml snailase. In addition, when the enzymolysis time ranged from 2.5 h to 3.0 h, the efficiency was the highest. PCR and fluorescence observation results showed that the fluorescence gene GFP had been successfully integrated into the genome of the II-17 strain, and the heredity of transformants was steady. The pathogenicity test indicated that there was no significant difference between GFP transformants and the wild type strain, and the GFP-tagged transformants of Colletotrichum gloeosporioides were successfully generated.

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备注/Memo

备注/Memo:
收稿日期:2016-04-27 基金项目:江苏省农业科技自主创新基金项目[CX(15)1023] 作者简介:杜艳 (1984-), 女, 安徽阜阳人, 博士, 助理研究员, 主要从事植物真菌病害研究。(Tel) 13951738556; (E-mail) dy411246508@126.com。通讯作者:刘邮洲, (Tel) 025-84390228; (E-mail) shitouren88888@163.com
更新日期/Last Update: 2017-05-02