Survey of simple sequence repeats in woodland strawberry (Fragaria vesca)

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Abstract

The use of simple sequence repeats (SSRs), or microsatellites, as genetic markers has become popular due to their abundance and variation in length among individuals. In this study, we investigated linkage groups (LGs) in the woodland strawberry (Fragaria vesca) and demonstrated variation in the abundances, densities, and relative densities of mononucleotide, dinucleotide, and trinucleotide repeats. Mononucleotide, dinucleotide, and trinucleotide repeats were more common than longer repeats in all LGs examined. Perfect SSRs were the predominant SSR type found and their abundance was extremely stable among LGs and chloroplasts. Abundances of mononucleotide, dinucleotide, and trinucleotide repeats were positively correlated with LG size, whereas those of tetranucleotide and hexanucleotide SSRs were not. Generally, in each LG, the abundance, relative abundance, relative density, and the proportion of each unique SSR all declined rapidly as the repeated unit increased. Furthermore, the lengths and frequencies of SSRs varied among different LGs. © FUNPEC-RP.

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APA

Qiao, Y. S., Guan, L., Huang, J. F., Feng, G. Q., Wang, X. W., Wang, Y., & Chen, B. Y. (2013). Survey of simple sequence repeats in woodland strawberry (Fragaria vesca). Genetics and Molecular Research, 12(3), 2637–2651. https://doi.org/10.4238/2013.July.30.3

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