Genetic Resources and Crop Evolution

, Volume 65, Issue 6, pp 1663–1670 | Cite as

Genetic diversity and population structure of worldwide eggplant (Solanum melongena L.) germplasm using SSR markers

  • Jun Liu
  • Yan Yang
  • Xiaohui Zhou
  • Shengyou Bao
  • Yong ZhuangEmail author
Research Article


Two hundred and eighty-seven worldwide eggplant accessions were examined for genetic diversity and population structure analysis with 45 SSR markers. The results resolved 242 alleles across all the accessions. Gene diversity ranged from 0.104 to 0.832 with an average of 0.558. Polymorphic information content ranged from 0.102 to 0.815 with an average of 0.507. The genetic diversity analysis classified all accessions into four groups, and the data showed that gene exchanges occurred in two groups during germplasm introduction, domestication, and improvement; however, the frequency was low. Population structure analysis classified 269 accessions into two subgroups, and the remaining 18 accessions were defined as admixed. The accessions from the same geographic origin tend to be clustered into same group. These results provide new insights into the exploitation of genetic diversity of germplasm for eggplant breeding program.


Solanum melongena SSR Genetic diversity Population structure 



This work was partially supported by the National Key R&D Program of China (2017YFD0101901), National Natural Science Foundation of China (31401870, 31672145) and Key R&D Program of Jiangsu Province (BE2016329).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

10722_2018_643_MOESM1_ESM.xlsx (22 kb)
Supplementary material 1 (XLSX 21 kb)
10722_2018_643_MOESM2_ESM.xlsx (12 kb)
Supplementary material 2 (XLSX 11 kb)


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© Springer Science+Business Media B.V., part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institute of Vegetable Crops, Jiangsu Key Laboratory for Horticultural Crop Genetic ImprovementJiangsu Academy of Agricultural SciencesNanjingChina

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