文献类型: 外文期刊
作者: Peng, Shi-Qing 1 ; Xu, Jing 1 ; Li, Hui-Liang 1 ; Tian, Wei-Min 2 ;
作者机构: 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Minist Agr, Key Lab Trop Crop Biotechnol, Haikou 571101, Peoples R China
2.Chinese Acad Trop Agr Sci, Inst Rubber, Minist Agr, Key Lab Trop Crops Physiol, Danzhou 571737, Peoples R China
关键词: coronatine insensitive-1 (COI1) protein;gene expression;Hevea brasiliensis;jasmonates;tapping
期刊名称:BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY ( 影响因子:2.043; 五年影响因子:2.017 )
ISSN: 0916-8451
年卷期: 2009 年 73 卷 3 期
页码:
收录情况: SCI
摘要: The full-length cDNA encoding a coronatine insensitive-1 (COI1) protein, designated HbCOI1, was isolated for the first time from Hevea brasiliensis by the rapid amplification of cDNA ends (RACE) method. HbCOI1 contained a 2,187 bp open reading frame encoding 597 amino acids. The deduced HbCOI1 protein, which showed high identity to COI1 protein of other plant species, was predicted to possess F-box and LRRs domains. The promoter region of HbCOI1 was isolated by the PCR-based DNA walking method. TATA box and other core configurations were found in the promoter. Several sequences similar to the eukaryotic cis regulatory element were found in the 5'-untranslated region (UTR) proximal 5' flanking sequence of HbCOI1. Southern blot analysis indicated that the HbCOI1 is present as a single copy in Hevea brasiliensis. Transcription pattern analysis revealed that HbCOI1 had high transcription in laticifer, low in barks and leaf. Transcription of HbCOI1 in latex was induced by jasmonate and tapping.
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