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Article

Genome-Wide Identification and Characterization of the Polygalacturonase Gene Family in Common Vetch (Vicia sativa)

1
College of Animal Science, Guizhou University, Guiyang 550025, China
2
College of Sciences, Massey University, Palmerston North 4410, New Zealand
3
College of Agriculture, Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region, Ministry of Education, Guizhou University, Guiyang 550025, China
*
Author to whom correspondence should be addressed.
Agronomy 2025, 15(6), 1457; https://doi.org/10.3390/agronomy15061457
Submission received: 3 May 2025 / Revised: 5 June 2025 / Accepted: 12 June 2025 / Published: 15 June 2025

Abstract

The polygalacturonase (PG) gene family plays a crucial role in plant cell wall metabolism and participates in various biological processes, such as fruit ripening, pod dehiscence, and pollen tube growth. However, the members of the PG gene family in Vicia sativa remain largely unexplored. We identified and analyzed the PG gene family members in V. sativa to investigate their gene expansion, functional evolution, and potential associations with agronomic traits. A total of 83 V. sativa PG genes (VsPGs) were identified, 51 of which retained all four characteristic PG domains (I–IV). We classified the VsPGs into seven subgroups (A–G) based on the results of phylogenetic analysis, and collinearity analysis suggested that segmental duplication was the primary driver of family expansion. The VsPG promoters were enriched with elements responsive to abscisic acid, low temperatures, and aluminum stress. Transcriptomic and qPCR analyses revealed tissue-specific and stress-responsive expression patterns of the VsPGs. Notably, VsPG48 and VsPG60 were highly expressed in the ventral sutures of pod-dehiscent varieties, whereas VsPG2 and VsPG41, among others, were co-upregulated under cold and aluminum stress. This study provides a foundation for further exploration of the biological functions of VsPGs.
Keywords: Vicia sativa; polygalacturonase; evolutionary analysis; expression analysis Vicia sativa; polygalacturonase; evolutionary analysis; expression analysis

Share and Cite

MDPI and ACS Style

Yang, X.; Liu, T.; Yang, Z.; Li, Z.; Zhao, X.; Chen, J.; Gu, X.; He, J.; Chen, C.; Dong, R. Genome-Wide Identification and Characterization of the Polygalacturonase Gene Family in Common Vetch (Vicia sativa). Agronomy 2025, 15, 1457. https://doi.org/10.3390/agronomy15061457

AMA Style

Yang X, Liu T, Yang Z, Li Z, Zhao X, Chen J, Gu X, He J, Chen C, Dong R. Genome-Wide Identification and Characterization of the Polygalacturonase Gene Family in Common Vetch (Vicia sativa). Agronomy. 2025; 15(6):1457. https://doi.org/10.3390/agronomy15061457

Chicago/Turabian Style

Yang, Xiaobing, Tianmiao Liu, Zhongfu Yang, Zhou Li, Xuechun Zhao, Jihui Chen, Xinyao Gu, Jin He, Chao Chen, and Rui Dong. 2025. "Genome-Wide Identification and Characterization of the Polygalacturonase Gene Family in Common Vetch (Vicia sativa)" Agronomy 15, no. 6: 1457. https://doi.org/10.3390/agronomy15061457

APA Style

Yang, X., Liu, T., Yang, Z., Li, Z., Zhao, X., Chen, J., Gu, X., He, J., Chen, C., & Dong, R. (2025). Genome-Wide Identification and Characterization of the Polygalacturonase Gene Family in Common Vetch (Vicia sativa). Agronomy, 15(6), 1457. https://doi.org/10.3390/agronomy15061457

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