The CsPPR gene with RNA-editing function involved in leaf color asymmetry of the reciprocal hybrids derived from Cucumis sativus and C. hystrix

Xia, Lei; Wang, Han; Zhao, Xiaokun; Zhao, Qinzheng; Yu, Xiaqing; Li, Ji; Lou, Qunfeng; Chen, Jinfeng; Cheng, Chunyan

doi:10.1007/s00425-024-04513-z

Planta

2024

DOI: 10.1007/s00425-024-04513-z

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The CsPPR gene with RNA-editing function involved in leaf color asymmetry of the reciprocal hybrids derived from Cucumis sativus and C. hystrix

Lei Xia,

Han Wang,

Xiaokun Zhao

et al.

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Functional Analysis of CsWOX4 Gene Mutation Leading to Maple Leaf Type in Cucumber (Cucumis sativus L.)

Wang,

Wang

et al. 2024

IJMS

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The leaf morphology is an important agronomic trait in crop production. Our study identified a maple leaf type (mlt) cucumber mutant and located the regulatory gene for leaf shape changes through BSA results. Hybrid F1 and F2 populations were generated by F1 self-crossing, and the candidate mlt genes were identified within the 2.8 Mb region of chromosome 2 using map cloning. Through the sequencing and expression analysis of genes within the bulk segregant analysis (BSA) region, we identified the target gene for leaf shape regulation as CsWOX4 (CsaV3_2G026510). The change from base C to T in the original sequence led to frameshift mutations and the premature termination of translation, resulting in shortened encoded proteins and conserved WUSCHEL (WUS) box sequence loss. The specific expression analysis of the CsWOX4/Cswox4 genes in the roots, stems, leaves and other tissue types of wild-type (WT) and mutant plants revealed that CsWOX4 was higher in the root, but Cswox4 (mutant gene) was significantly higher in the leaf. Subcellular localization analysis revealed that CsWOX4 was localized in the nucleus. RNA-seq analysis revealed that the differentially expressed genes were mainly enriched in the mitochondrial cell cycle phase transition, nucleosome and microtubule binding pathways. Simultaneously, the quantitative analysis of the expression trends of 25 typical genes regulating the leaf types revealed the significant upregulation of CsPIN3. In our study, we found that the conserved domain of CsWOX4 was missing in the mutant, and the transcriptome data revealed that the expression of some genes, such as CsPIN3, changed simultaneously, thereby jointly regulating changes in the cucumber leaf type.

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Functional Analysis of CsWOX4 Gene Mutation Leading to Maple Leaf Type in Cucumber (Cucumis sativus L.)

Wang,

Wang

et al. 2024

IJMS

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The CsPPR gene with RNA-editing function involved in leaf color asymmetry of the reciprocal hybrids derived from Cucumis sativus and C. hystrix

Cited by 1 publication

References 58 publications

Functional Analysis of CsWOX4 Gene Mutation Leading to Maple Leaf Type in Cucumber (Cucumis sativus L.)

Functional Analysis of CsWOX4 Gene Mutation Leading to Maple Leaf Type in Cucumber (Cucumis sativus L.)

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