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Open AccessArticle

Genetic Diversity Assessed by Genotyping by Sequencing (GBS) in Watermelon Germplasm

National Agrobiodiversity Center, National Institute of Agricultural Sciences (NAS), RDA, Jeonju 54874, Korea
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Genes 2019, 10(10), 822; https://doi.org/10.3390/genes10100822
Received: 30 July 2019 / Revised: 23 September 2019 / Accepted: 15 October 2019 / Published: 18 October 2019
(This article belongs to the Section Population and Evolutionary Genetics and Genomics)
Watermelon is an economically important vegetable fruit worldwide. The objective of this study was to conduct a genetic diversity of 68 watermelon accessions using single nucleotide polymorphisms (SNPs). Genotyping by sequencing (GBS) was used to discover SNPs and assess genetic diversity and population structure using STRUCTURE and discriminant analysis of principal components (DAPC) in watermelon accessions. Two groups of watermelons were used: 1) highly utilized 41 watermelon accessions at the National Agrobiodiversity Center (NAC) at the Rural Development Administration in South Korea; and 2) 27 Korean commercial watermelons. Results revealed the presence of four clusters within the populations differentiated principally based on seed companies. In addition, there was higher genetic differentiation among commercial watermelons of each company. It is hypothesized that the results obtained from this study would contribute towards the expansion of this crop as well as providing data about genetic diversity, which would be useful for the preservation of genetic resources or for future breeding programs. View Full-Text
Keywords: Watermelon; genetic diversity; population structure; genotyping by sequencing; GBS Watermelon; genetic diversity; population structure; genotyping by sequencing; GBS
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Lee, K.J.; Lee, J.-R.; Sebastin, R.; Shin, M.-J.; Kim, S.-H.; Cho, G.-T.; Hyun, D.Y. Genetic Diversity Assessed by Genotyping by Sequencing (GBS) in Watermelon Germplasm. Genes 2019, 10, 822.

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