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Development and characterization of 20 genomic SSR markers of Weigela

Weigela (Caprifoliaceae) is a genus of ornamental plants popular for its phenotypic variation and hardiness, that includes species hybridized to produce the commercially available cultivars.

Despite its popularity, limited genetic resources exist for the genus. Twenty genomic simple sequence repeat (gSSR) markers distributed across the genome were developed using low coverage whole-genome sequencing data of Weigela Spilled Wine. A cross-amplification evaluation with these 20 gSSR markers on a collection of 18 Weigela cultivars revealed a total of 111 unique alleles, including 36 private alleles.

A diagrammatic key was constructed to identify cultivars using only six of the gSSR markers, demonstrating the newly developed gSSR markers are immediately useful for cultivar identification.

Future uses could include breeding with marker-assisted selection, determining the history of hybridization of the current cultivated lines, aiding in the construction of genetic maps, and assessing the patterns of the population genetic structure of Weigela.

Read the complete research at: www.researchgate.net 

Hamm, Trinity & Boggess, Sarah & Kandel, Jinita & Staton, Margaret & Huff, Matthew & Hadziabdic, Denita & Shoemaker, DeWayne & Jr, John & Nowicki, Marcin & Trigiano, Robert. (2022). Development and Characterization of 20 Genomic SSR Markers for Ornamental Cultivars of Weigela. Plants. 11. 1444. 10.3390/plants11111444.


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