The Class III Peroxidase (POD) Gene Family in Cassava: Identification, Phylogeny, Duplication, and Expression
文献类型： 外文期刊
作者： Wu, Chunlai 1 ; Ding, Xupo 1 ; Ding, Zehong 1 ; Tie, Weiwei 1 ; Yan, Yan 1 ; Wang, Yu 3 ; Yang, Hai 4 ; Hu, Wei 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Minist Agr, Key Lab Biol & Genet Resources Trop Crops, Haikou 571101, Hainan, Peoples R China
2.Huazhong Univ Sci & Technol, Coll Life Sci & Technol, Chinese Minist Sci & Technol, Genet Engn Int Cooperat Base, Wuhan 430074, Hubei, Peoples R China
3.Beijing Commerce & Trade Sch, Beijing 100162, Peoples R China
4.Huazhong Univ Sci & Technol, Coll Life Sci & Technol, Natl Engn Res Ctr Nanomed, Wuhan 430074, Hubei, Peoples R China
关键词： expression; genome-wide; identification of peroxidase genes; duplication pattern; stress; cassava
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）
ISSN： 1422-0067
年卷期： 2019 年 20 卷 11 期
页码：
收录情况： SCI
摘要： The class III peroxidase (POD) enzymes participate in plant development, hormone signaling, and stress responses. However, little is known about the POD family in cassava. Here, we identified 91 cassava POD genes (MePODs) and classified them into six subgroups using phylogenetic analysis. Conserved motif analysis demonstrated that all MePOD proteins have typical peroxidase domains, and gene structure analysis showed that MePOD genes have between one and nine exons. Duplication pattern analysis suggests that tandem duplication has played a role in MePOD gene expansion. Comprehensive transcriptomic analysis revealed that MePOD genes in cassava are involved in the drought response and postharvest physiological deterioration. Several MePODs underwent transcriptional changes after various stresses and related signaling treatments were applied. In sum, we characterized the POD family in cassava and uncovered the transcriptional control of POD genes in response to various stresses and postharvest physiological deterioration conditions. These results can be used to identify potential target genes for improving the stress tolerance of cassava crops.
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