Genome-wide identification of the Phospholipase D (PLD) gene family in Chinese white pear (Pyrus bretschneideri) and the role of PbrPLD2 in drought resistance

Copyright © 2024. Published by Elsevier B.V.

Bibliographische Detailangaben
Veröffentlicht in:Plant science : an international journal of experimental plant biology. - 1985. - 350(2024) vom: 11. Okt., Seite 112286
1. Verfasser: Lin, Likun (VerfasserIn)
Weitere Verfasser: Yuan, Kaili, Huang, Xiaosan, Zhang, Shaoling
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Plant science : an international journal of experimental plant biology
Schlagworte:Journal Article Drought Gene family Phospholipase D (PLD) Pyrus bretschneideri Stomatal closure
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520 |a The Chinese white pear (Pyrus bretschneideri), a vital fruit crop, is highly susceptible to abiotic stresses, especially drought, which poses a major threat to its growth and productivity. Phospholipase D (PLD) genes are pivotal in orchestrating plant responses to abiotic stresses, acting as key regulators in stress adaptation mechanisms. This study systematically identified and functionally characterized the entire PLD gene family in P. bretschneideri through a comprehensive genome-wide analysis. A total of 20 PbrPLD genes were identified, and they were categorized into five subfamilies based on phylogenetic analysis. chromosome localization, gene structure, and conserved motif analyses revealed that these genes have diverse evolutionary histories. Cis-acting element analysis and expression profiling under drought stress indicated that several PbrPLD genes, particularly PbrPLD2, are strongly induced by drought. Overexpression of PbrPLD2 in both Arabidopsis thaliana and pear demonstrated enhanced drought tolerance through improved stomatal closure and increased expression of drought-responsive genes. These findings highlight the critical role of PbrPLD2 in drought resistance and provide a theoretical and experimental foundation for molecular breeding in pear and other fruit crops 
650 4 |a Journal Article 
650 4 |a Drought 
650 4 |a Gene family 
650 4 |a Phospholipase D (PLD) 
650 4 |a Pyrus bretschneideri 
650 4 |a Stomatal closure 
700 1 |a Yuan, Kaili  |e verfasserin  |4 aut 
700 1 |a Huang, Xiaosan  |e verfasserin  |4 aut 
700 1 |a Zhang, Shaoling  |e verfasserin  |4 aut 
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