We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Microsatellite analysis of genetic relationships between wild and cultivated melons in Northwest and Central China.
- Authors
Hu, Jianbin; Wang, Panqiao; Li, Qiong; Su, Yan
- Abstract
The genetic relationships between the wild and cultivated melon accessions from Northwest and Central China were dissected using 22 microsatellite markers. A total of 153 alleles, a high level of expected heterozygosity (0.669), and a low observed heterozygosity (0.156) were detected in the total panel. Differences on the allelic composition and heterozygosity levels were found between the two accession types and the wild accessions revealed a higher level of genetic diversity. The UPGMA analysis of the total panel showed that (a) most wild accessions from Northwest China were clustered independently from the cultivated accessions, and (b) the wild and cultivated accessions from Central China presented a high genetic closeness and showed a divergence from those of Northwest China. Similar positioning of the most accessions was observed with the principal coordinate analysis and STRUCTURE analysis. Pairwise F and Nei's genetic distance quantified the genetic differentiation among the different accession types and further verified our findings. We concluded that the wild melons from Northwest China have a distinctive genetic background and could be the true wild forms, while the wild melons from Central China showed a close relationship to the local cultivars and could be a return from the cultivated melons in the same region. Our results offer an insight into the genetic resources of the main melon producing regions in China, which is essential for maximizing utilization of the traits of interest in wild melons.
- Subjects
NORTHWEST China; MELON genetics; MICROSATELLITE repeats in plants; WATERMELON varieties; HETEROZYGOSITY; PLANT diversity; COMPARATIVE studies; PLANTS
- Publication
Molecular Biology Reports, 2014, Vol 41, Issue 12, p7723
- ISSN
0301-4851
- Publication type
Article
- DOI
10.1007/s11033-014-3668-6