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Acta Horticulturae Sinica ›› 2025, Vol. 52 ›› Issue (1): 88-100.doi: 10.16420/j.issn.0513-353x.2023-0586

• Genetic & Breeding·Germplasm Resources·Molecular Biology • Previous Articles     Next Articles

Development of Whole-Genome SNP Markers of Eggplant

XIAO Xi’ou*, NIE Heng, LIN Wenqiu, WU Caiyu   

  1. Zhanjiang Key Laboratory of Tropical Crop Genetic Improvement,Key Laboratory of Hainan Province for Postharvest Physiology and Technology of Tropical Horticultural Products,South Subtropical Crop Research Institution,Chinese Academy of Tropical Agricultural Sciences,Zhanjiang,Guangdong 524091,China
  • Received:2024-07-22 Revised:2024-10-15 Online:2025-01-25 Published:2025-01-18
  • Contact: XIAO Xi’ou

Abstract:

Eggplant(Solanum melongena L.)is one of the important vegetables in the Solanaceae family in China. It has a very rich genetic diversity,and accurate evaluation of eggplant germplasm resources is the basis for using eggplant germplasm resources. In this study,the resequencing data of 40 eggplant germplasm resources were used to screen 268 SNPs for the development of PARMS-SNP (penta-primer amplification refractory mutation,five-prime amplification refractory mutation system) markers,and finally successfully obtained 120 original PARMS-SNP markers. Using 120 SNP markers for gene typing of 224 high-generation self-crossing lines of eggplant,the population structure,PCA (principal component analysis),and genetic tree results showed that the 224 materials could be divided into two groups. At the same time,48 core PARMS-SNP markers were selected based on the PIC(polymorphic information content)value,and a fingerprint map that can distinguish between 224 materials was constructed.

Key words: eggplant, SNP marker, genetic diversity, fingerprint