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Application of wheat SSR markers for detection of genetic diversity in triticale (x Triticosecale witt. )

Zelmira, Balazova ; Andrej, Trebichalsky ; Zdenka, Galova ; Radomira, Hornyak-Greganova

Genetika (Beograd), 2015, Vol.47 (3), p.983-992

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  • Título:
    Application of wheat SSR markers for detection of genetic diversity in triticale (x Triticosecale witt. )
  • Autor: Zelmira, Balazova ; Andrej, Trebichalsky ; Zdenka, Galova ; Radomira, Hornyak-Greganova
  • Assuntos: Triticum aestivum
  • É parte de: Genetika (Beograd), 2015, Vol.47 (3), p.983-992
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Present study aims to testify usefulness of particular wheat SSR markers for the detection of genetic diversity degree in the set of 59 triticale cultivars and new lines coming from different European countries and USA. For this purpose, a set of fifteen SSR markers were used. One SSR marker (Xwmc429) gave a uniform spectrum. The set of fourteen polymorphic markers provided 94 alleles with an average frequency of 6.71 alleles per locus. The number of alleles ranged between 2 (Xbarc 195) and 10 (Xbarc 137). Resulting from the number and frequency of alleles, diversity index (DI), polymorphic information content (PIC) and probabilities of identity (PI) were calculated. An average value of PIC for 14 markers was 0.640, the highest value was calculated for wheat SSR marker Xgwm 46 (0.809). Based on UPGMA algorithm, a dendrogram was constructed. It was able to separate 57 of 59 cultivars (96,6 %) from each other. American new-line NE-422T significantly separated from all cultivars and new lines. Only two french cultivars Bienvenu and Wilfried had not been separated from each other. A tested set of SSR markers allowed to better understand genetic relationships among European cultivars and American new lines. In general, a dendrogram along with results of calculated genetic indicators such as PIC, PI and DI point out at SSRs markers as high informative and usefull tool in genetic diversity research between close-related species. nema
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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