Transcriptome Sequencing of Agave amaniensis Reveals Shoot-Related Expression Patterns of Expansin A Genes in Agave
文献类型： 外文期刊
作者： Wang, Xuxia 1 ; Huang, Xing 2 ; Chen, Lisha 3 ; Xie, Zhouli 4 ; Tan, Shibei 2 ; Qin, Xu 5 ; Chen, Tao 5 ; Huang, Yanlei 6 ; Xi, Jingen 2 ; Chen, Helong 2 ; Yi, Kexian 2 ;
作者机构： 1.Wuchang Shouyi Univ, Urban Construct Coll, Wuhan 430064, Peoples R China
2.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Peoples R China
3.Minist Agr & Rural Affairs, Qual Supervis Inspect & Testing Ctr Sisal & Prod, Zhanjiang 524022, Peoples R China
4.Peking Univ, Sch Life Sci, Beijing 100871, Peoples R China
5.Guangxi Subtrop Crops Res Inst, Nanning 530001, Peoples R China
6.Huazhong Agr Univ, Coll Plant Sci & Technol, Wuhan 430070, Peoples R China
7.Chinese Acad Trop Agr Sci, Sanya Res Inst, Sanya 572025, Peoples R China
8.Minist Agr & Rural Affairs, Key Lab Integrated Pest Management Trop Crops, Haikou 571101, Peoples R China
9.Hainan Key Lab Monitoring & Control Trop Agr Pests, Haikou 571101, Peoples R China
关键词： transcriptome; Agave amaniensis; expansin genes; phylogeny; gene expression
期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）
ISSN：
年卷期： 2023 年 12 卷 10 期
页码：
收录情况： SCI
摘要： Agave species are widely planted for fiber production. However, the molecular basis of agave fiber development has not been well understood. In this study, we performed a transcriptomic analysis in A. amaniensi, a well-known variety with high-quality fiber production. Approximately 43.87 million clean reads were obtained using Illumina sequencing. The de novo assembly produced 66,746 unigrams, 54% of which were annotated in a public database. In the Nr database, 21,490 unigenes of A. amaniensis were shown to be most closely related to Asparagus officinalis. Nine expansin A orthologs with full coding regions were obtained, which were named EXP1a, EXP1b, EXP2, EXP3, EXP4a, EXP4b, EXP11, EXP12, and EXP13. The maximum likelihood phylogenetic tree revealed the species-specific expansion of expansin genes in Arabidopsis, rice and agave. The expression analysis suggested the negative correlation between the expression of expansin genes and the leaf growth rate, except AhEXP11. Moreover, expansin genes were differentially affected by abiotic and biotic stresses. Notably, AhEXP2 expression level was highly upgraded after the infection of Phytophthora nicotiana. Nutrient deficiency also influent expansin genes expression. Together, our research will benefit future studies related to fiber development, disease resistance and nutrient usage in agave.
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