Genome-Wide Identification and Expression Analysis of Lipoxygenase Genes in Rose (Rosa chinensis)
文献类型： 外文期刊
作者： Dong, Wenqi 1 ; Jiao, Bo 2 ; Wang, Jiao 2 ; Sun, Lei 2 ; Li, Songshuo 2 ; Wu, Zhiming 2 ; Gao, Junping 1 ; Zhou, Shuo 2 ;
作者机构： 1.China Agr Univ, Dept Ornamental Hort, Beijing Key Lab Dev & Qual Control Ornamental Crop, Beijing 100193, Peoples R China
2.Hebei Acad Agr & Forestry Sci, Shijiazhuang 050051, Peoples R China
关键词： lipoxygenase; rose; JA; aphid
期刊名称：GENES （ 影响因子：3.5； 五年影响因子：3.9 ）
ISSN：
年卷期： 2023 年 14 卷 10 期
页码：
收录情况： SCI
摘要： Lipoxygenases (LOX) play pivotal roles in plant resistance to stresses. However, no study has been conducted on LOX gene identification at the whole genome scale in rose (Rosa chinensis). In this study, a total of 17 RcLOX members were identified in the rose genome. The members could be classified into three groups: 9-LOX, Type I 13-LOX, and Type II 13-LOX. Similar gene structures and protein domains can be found in RcLOX members. The RcLOX genes were spread among all seven chromosomes, with unbalanced distributions, and several tandem and proximal duplication events were found among RcLOX members. Expressions of the RcLOX genes were tissue-specific, while every RcLOX gene could be detected in at least one tissue. The expression levels of most RcLOX genes could be up-regulated by aphid infestation, suggesting potential roles in aphid resistance. Our study offers a systematic analysis of the RcLOX genes in rose, providing useful information not only for further gene cloning and functional exploration but also for the study of aphid resistance.
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