A new pathway model of the response of Hsf gene family members to abiotic and biotic stresses in sweet orange revealed by genome-wide identification and expression profile analysis
文献类型： 外文期刊
作者： Wen, Ke 1 ; Li, Xulin 1 ; Yin, Tuo 1 ; Zhu, Ling 2 ; Chen, Chaoying 2 ; Zhao, Ke 2 ; Zi, Yinqiang 2 ; Zhou, Xianyan 3 ; Liu, Xiaozhen 2 ; Zhang, Hanyao 1 ;
作者机构： 1.Southwest Forestry Univ, Key Lab Forest Resources Conservat & Utilizat Sout, Minist Educ, Kunming 650224, Peoples R China
2.Southwest Forestry Univ, Natl Forest & Grassland Adm, Key Lab Biodivers Conservat Southwest China, Kunming 650224, Peoples R China
3.Yunnan Acad Agr Sci, Inst Trop & Subtrop Econ Crops, Ruili, Peoples R China
关键词： Sweet orange; Hsf gene family; Abiotic and biotic stress; Expression profiles; Pathway model
期刊名称：SOUTH AFRICAN JOURNAL OF BOTANY （ 影响因子：2.7； 五年影响因子：3.1 ）
ISSN： 0254-6299
年卷期： 2024 年 174 卷
页码：
收录情况： SCI
摘要： Sweet orange (Citrus sinensis) is the most widely planted and productive citrus fruit, but its growth and yield are susceptible to abiotic and biotic stresses. Heat shock transcription factors (Hsfs) play important roles in regulating plant growth and development and resistance to pests and diseases. However, a systematic study of the CsHsf gene family has not been reported. In this study, we used bioinformatics methods to identify the genome-wide Hsf gene family in sweet orange and then systematically analyzed its gene features, subcellular localization, phylogeny, promoter cis-acting elements, protein interactions, and expression profiles. Seventeen CsHsf gene family members were identified; these genes were randomly distributed on eight chromosomes, and most of the CsHsfs were located in the nucleus. Phylogenetic analyses revealed that CsHsf is closely related to Citrus clementina, and CsHsf can be divided into three clades and 14 subclades. Gene subclades structure and motif analyses supported the results of phylogenetic analyses, and most of the promoter regions of CsHsf gene family members contained cis-responsive elements related to adverse stresses, hormones, and growth and development. GO analyses indicated that the CsHsf gene family plays a role in resistance to environmental stresses and the regulation of metabolism, and the 3D structure revealed a conserved CsHsf protein structure. RNA-Seq data analysis suggested that the CsHsf4 gene has an anti-Penicillium digitatum function. In addition, we first report a new pathway model, including the Ca2+/CaM pathway, the ROS pathway, and the ABA pathway, for the response of the Hsf gene family in sweet orange to abiotic and biotic stresses. This study lays a foundation for abiotic and biotic stress-resistance gene selection and disease-resistance breeding in sweet orange. (c) 2024 SAAB. Published by Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies.
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