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Acta Horticulturae Sinica ›› 2026, Vol. 53 ›› Issue (9): 2609-2620.doi: 10.16420/j.issn.0513-353x.2025-0631

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

Genome-Wide SNP Variation Characteristics and Development and Application of SNP-Panel in Eggplant

WANG Benqi, HUANG Shuping, CHEN Xia, TAN Jie, ZHANG Hongyuan, WANG Junliang, CHEN Rong, ZHANG Min*()   

  1. Vegetable Research Institute, Wuhan Academy of Agricultural Sciences, Wuhan 430065, China
  • Received:2025-11-13 Revised:2026-06-02 Online:2026-09-25 Published:2026-09-20
  • Contact: ZHANG Min

Abstract:

To clarify the genomic variation characteristics of eggplant,develop practical molecular markers,and facilitate cultivar identification and molecular breeding,this study used 122 advanced-generation eggplant inbred lines as materials. Target-seq targeted sequencing technology was applied to analyze the genome-wide SNP variation characteristics of eggplant and develop SNP markers for application exploration. A total of 1 476 variant loci were identified,including 1 433 SNPs and 43 InDels. Transition-type SNP accounted for 71.34% with a transition/transversion ratio of 2.50,and the SNP density varied significantly among different chromosomes. On this basis,a SNP-Panel containing 1 100 loci was developed,which was evenly distributed across the genome. This panel can be used for genetic diversity analysis and genetic differentiation discrimination of varieties,construct DNA fingerprints to assist variety identification and protection,and efficiently conduct seed purity identification.

Key words: eggplant, whole-genome, SNP marker, SNP-Panel, fingerprint map, cultivar identification, targeted sequencing

CLC Number: