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学科主题: Microbiology
题名: Isolation and characterization of culturable endophytic actinobacteria associated with Artemisia annua L.
作者: Li, J ; Zhao, GZ ; Huang, HY ; Qin, S ; Zhu, WY ; Zhao, LX ; Xu, LH ; Zhang, S ; Li, WJ ; Strobel, G
通讯作者: wjli@ynu.edu.cn
关键词: Endophytic actinobacteria ; Artemisia annua ; Diversity ; Antimicrobial activity ; Herbicidal activity ; Functional genes
刊名: ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY
发表日期: 2012
卷: 101, 期:3, 页:515-527
部门归属: [Li, Jie; Zhao, Guo-Zhen; Huang, Hai-Yu; Zhu, Wen-Yong; Zhao, Li-Xing; Xu, Li-Hua; Li, Wen-Jun] Yunnan Univ, Yunnan Inst Microbiol, Minist Educ, Key Lab Microbial Divers SW China, Kunming 650091, Peoples R China; [Li, Jie; Zhao, Guo-Zhen; Huang, Hai-Yu; Zhu, Wen-Yong; Zhao, Li-Xing; Xu, Li-Hua; Li, Wen-Jun] Yunnan Univ, Yunnan Inst Microbiol, Lab Conservat & Utilizat Bioresources, Kunming 650091, Peoples R China; [Li, Jie; Zhang, Si] Chinese Acad Sci, Key Lab Marine Bioresources Sustainable Utilizat, RNAM Ctr Marine Microbiol, Guangdong Key Lab Marine Mat Med,S China Sea Inst, Guangzhou 510301, Guangdong, Peoples R China; [Qin, Sheng] Xuzhou Normal Univ, Key Lab Biotechnol Med Plant Jiangsu Prov, Xuzhou 221116, Jiangsu, Peoples R China; [Strobel, Gary] Montana State Univ, Dept Plant Sci, Bozeman, MT 59717 USA
项目归属: LMB
摘要: Endophytic actinobacteria isolated from Artemisia annua were characterized and evaluated for their bioactivities. A total of 228 isolates representing at least 19 different genera of actinobacteria were obtained and several of them seemed to be novel taxa. An evaluation of antimicrobial activity showed that more isolates possessed activity towards plant pathogens than activity against other pathogenic bacteria or yeasts. High frequencies of PCR amplification were obtained for type I polyketide synthases (PKS-I, 21.1%), type II polyketide synthases (PKS-II, 45.2%) and nonribosomal peptide synthetases (NRPS, 32.5%). The results of herbicidal activity screening indicated that 19 out of 117 samples of fermentation broths completely inhibited the germination of Echinochloa crusgalli. This study indicated that endophytic actinobacteria associated with A. annua are abundant and have potentially beneficial and diverse bioactivities which should be pursued for their biotechnical promise.
语种: 英语
WOS记录号: WOS:000300314200006
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/9972
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Li, J; Zhao, GZ; Huang, HY; Qin, S; Zhu, WY; Zhao, LX; Xu, LH; Zhang, S; Li, WJ; Strobel, G.Isolation and characterization of culturable endophytic actinobacteria associated with Artemisia annua L.,ANTONIE VAN LEEUWENHOEK INTERNATIONAL JOURNAL OF GENERAL AND MOLECULAR MICROBIOLOGY,2012,101(3):515-527
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