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Terpene Synthases in Rice Pan-Genome and Their Responses to Chilo suppressalis Larvae Infesting

文献类型： 外文期刊

作者： Sun, Yang 1 ; Zhang, Pei-tao 1 ; Kou, Dou-rong 1 ; Han, Yang-chun 2 ; Fang, Ji-chao 2 ; Ni, Jiang-ping 3 ; Jiang, Bin 1 ; Wang, Xu 1 ; Zhang, Yong-jun 4 ; Wang, Wei 5 ; Kong, Xiang-dong 3 ;

作者机构： 1.Anhui Normal Univ, Coll Life Sci, Key Lab Conservat & Use Important Biol Resources A, Anhui Prov Key Lab Mol Enzymol & Mech Major Dis, Wuhu, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing, Peoples R China

3.JiguangGene Biotechnol Co Ltd, Nanjing, Peoples R China

4.Chinese Acad Agr Sci, Inst Plant Protect, Lab Biol Plant Dis & Insect Pests, Beijing, Peoples R China

5.Wuhu Qingyijiang Seed Ind Co Ltd, Wuhu, Peoples R China

关键词： rice pan-genome; terpene synthase; structure variation; Chilo suppressali; selection pressure; differentially expressed

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）

ISSN： 1664-462X

年卷期： 2022 年 13 卷

页码：

收录情况： SCI

摘要： Terpene synthase (TPS) catalyzes the synthesis of terpenes and plays an important role in plant defense. This study identified 45 OsTPS genes (32 core genes and 13 variable genes) based on the high-quality rice gene-based pan-genome. This indicates limitations in OsTPS gene studies based on a single reference genome. In the present study, through collinearity between multiple rice genomes, one OsTPS gene absent in the reference (Nipponbare) genome was found and two TPS genes in the reference genome were found to have atypical structures, which would have been ignored in single genome analysis. OsTPS genes were divided into five groups and TPS-b was lost according to the phylogenetic tree. OsTPSs in TPS-c and TPS-g were all core genes indicating these two groups were stable during domestication. In addition, through the analysis of transcriptome data, some structural variations were found to affect the expression of OsTPS genes. Through the Ka/Ks calculation of OsTPS genes, we found that different OsTPS genes were under different selection pressure during domestication; for example, OsTPS22 and OsTPS29 experienced stronger positive selection than the other OsTPS genes. After Chilo suppressalis larvae infesting, 25 differentially expressed OsTPS genes were identified, which are involved in the diterpene phytoalexins precursors biosynthesis and ent-kaurene biosynthesis pathways. Overall, the present study conducted a bioinformatics analysis of OsTPS genes using a high-quality rice pan-genome, which provided a basis for further study of OsTPS genes.

  • 相关文献

[1]Terpene Synthases in Rice Pan-Genome and Their Responses to Chilo suppressalis Larvae Infesting. Sun, Yang,Zhang, Pei-tao,Kou, Dou-rong,Jiang, Bin,Wang, Xu,Han, Yang-chun,Fang, Ji-chao,Ni, Jiang-ping,Kong, Xiang-dong,Zhang, Yong-jun,Wang, Wei. 2022

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