Identification and characterization of the EIN3/EIL gene family in Hevea brasiliensis
文献类型: 外文期刊
第一作者: Yang, Zi-Ping
作者: Yang, Zi-Ping;Li, Hui-Liang;Guo, Dong;Peng, Shi-Qing;Yang, Zi-Ping;Peng, Shi-Qing
作者机构:
关键词: Ethylene insensitive3/ethylene insensitive3-like;Genome-wide analysis;Hevea brasiliensis
期刊名称:TREE GENETICS & GENOMES ( 影响因子:2.297; 五年影响因子:2.547 )
ISSN: 1614-2942
年卷期: 2015 年 11 卷 3 期
页码:
收录情况: SCI
摘要: Ethylene-insensitive3/ethylene-insensitive3-like (EIN3/EIL) transcription factor is a key transcription factor involved in the ethylene signal transduction pathway in plants. Although the genome-wide analysis of this family has been carried out in certain plant species, little is known about EIN3/ EIL genes in rubber tree (Hevea brasiliensis). In this study, we identified four EIN3/EIL genes (designated as HbEIN3-1 to HbEIN3-4) in the rubber tree genome annotation. Tissuespecific expression profiles showed that four HbEIN3s were expressed in at least one of the tested tissues. The four HbEIN3s responded to ethylene (ET) and jasmonic acid (JA) treatment, which suggested that HbEIN3s were involved in response to JA and ETsignaling. HbEIN3s showed transactivation activity in yeast. HbEIN3-1 bound to the promoter of the rubber transferase gene, suggesting that HbEIN3-1 may be involved in the regulation of natural rubber biosynthesis. The N-terminal basic domain II was required for the HbEIN3-1 binding with the promoter of the rubber transferase gene.
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