黄角（Xanthoceras sorbifolium Bunge） CDPK基因家族的鉴定及XsCDPK10在抗旱性中的作用

IF 6.2 1区农林科学 Q1 AGRICULTURAL ENGINEERING

Industrial Crops and Products Pub Date : 2025-08-05 DOI:10.1016/j.indcrop.2025.121645

Zhuo Ban, Huihui Xu, Yingying Yang, Chenxue Wang, LingFeng Zhang, Quanxin Bi, Xiaojuan Liu, Libing Wang

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引用次数: 0

摘要

黄角（Xanthoceras sorbifolium Bunge）是中国特有的木本油树，但其生长和产量受到其分布区域内干旱条件的严重限制。研究表明，钙依赖性蛋白激酶（CDPK）基因家族在植物抗旱性调控中起着重要作用。本研究对黄角虫的CDPK基因家族进行了全面的鉴定和分析，共鉴定出22个CDPK家族蛋白。XsCDPKs被分为五个亚家族，片段复制是扩增的主要贡献者。表达分析表明，与耗水种质相比，XsCDPK10在节水种质中的表达显著上调，其表达受干旱条件诱导。此外，XsCDPK10的过表达通过促进ROS清除和减少膜损伤来增强拟南芥和黄角的耐旱性。本研究对黄角牛的CDPK基因家族进行了全面系统的分析，发现XsCDPK10是调控植物抗旱性的关键调控因子，为黄角牛的抗旱性机制提供了新的认识。

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Identification of CDPK gene family in yellowhorn (Xanthoceras sorbifolium Bunge) and the role of XsCDPK10 in drought stress tolerance

Yellowhorn (Xanthoceras sorbifolium Bunge) is a unique woody oil tree species in China, but its growth and yield are severely limited by drought conditions within its distribution area. Research has demonstrated that the calcium-dependent protein kinase (CDPK) gene family plays an important role in regulating plant drought resistance. This study conducted a comprehensive identification and analysis of the CDPK gene family in yellowhorn, identifying a total of 22 CDPK family proteins. XsCDPKs were divided into five subfamilies, with fragment replication acting as the main contributor to the amplification. Expression analysis revealed that XsCDPK10 was significantly upregulated in water-saving germplasm compared with water-consuming germplasm, and its expression was induced by drought conditions. Furthermore, the over-expression of XsCDPK10 enhanced drought tolerance by facilitating ROS clearance and reducing membrane damage in Arabidopsis and yellowhorn. Our research provides a comprehensive and systematic analysis of the CDPK gene family in yellowhorn, and identifies XsCDPK10 as a critical regulatory factor in regulating plant drought resistance, providing new insights into drought resistance mechanism of yellowhorn.

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来源期刊

Industrial Crops and Products 农林科学-农业工程

CiteScore

9.50

自引率

8.50%

发文量

1518

审稿时长

43 days

期刊介绍： Industrial Crops and Products is an International Journal publishing academic and industrial research on industrial (defined as non-food/non-feed) crops and products. Papers concern both crop-oriented and bio-based materials from crops-oriented research, and should be of interest to an international audience, hypothesis driven, and where comparisons are made statistics performed.