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Catalase (CAT) Gene Family in Oil Palm (Elaeis guineensis Jacq.): Genome-Wide Identification, Analysis, and Expression Profile in Response to Abiotic Stress

文献类型：外文期刊

第一作者： Zhou, Lixia

作者： Zhou, Lixia;John Martin, Jerome Jeyakumar;Li, Rui;Zeng, Xianhai;Wu, Qiufei;Li, Qihong;Fu, Dengqiang;Li, Xinyu;Liu, Xiaoyu;Ye, Jianqiu;Cao, Hongxing;Zhou, Lixia;John Martin, Jerome Jeyakumar;Li, Rui;Zeng, Xianhai;Wu, Qiufei;Li, Qihong;Fu, Dengqiang;Li, Xinyu;Liu, Xiaoyu;Ye, Jianqiu;Cao, Hongxing

作者机构：

关键词： oil palm; CAT; genome-wide; abiotic stress; qPCR

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （影响因子：5.6；五年影响因子：6.2 ）

ISSN： 1661-6596

年卷期： 2024 年 25 卷 3 期

页码：

收录情况： SCI

摘要： Catalases (CATs) play crucial roles in scavenging H2O2 from reactive oxygen species, controlling the growth and development of plants. So far, genome-wide identification and characterization of CAT genes in oil palm have not been reported. In the present study, five EgCAT genes were obtained through a genome-wide identification approach. Phylogenetic analysis divided them into two subfamilies, with closer genes sharing similar structures. Gene structure and conserved motif analysis demonstrated the conserved nature of intron/exon organization and motifs among the EgCAT genes. Several cis-acting elements related to hormone, stress, and defense responses were identified in the promoter regions of EgCATs. Tissue-specific expression of EgCAT genes in five different tissues of oil palm was also revealed by heatmap analysis using the available transcriptome data. Stress-responsive expression analysis showed that five EgCAT genes were significantly expressed under cold, drought, and salinity stress conditions. Collectively, this study provided valuable information on the oil palm CAT gene family and the validated EgCAT genes can be used as potential candidates for improving abiotic stress tolerance in oil palm and other related crops.

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