Development of Indel Markers from Citrus Clementina (Rutaceae) Bac-End Sequences and Interspecific Transferability in Citrus
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AuthorOllitrault, Frederique; Terol, Javier; Martin, Alena Alonso; Pina, José A.; Navarro, Luis; Talón, Manuel; Ollitrault, Patrick
Cita bibliográficaOllitrault, Frederique, Terol, J., Martin, Alena Alonso, Pina, J.A., Navarro, L., Talón, M., Ollitrault, P. (2012). Development of Indel Markers from Citrus Clementina (Rutaceae), Bac-End Sequences and Interspecific Transferability in Citrus. American Journal of Botany, 99(7), E268-E273.
Premise of the study: Indel markers were developed from BAC-end sequences of Citrus clementina cv. Nules. Transferability and polymorphism were tested in the Citrus genus to estimate the potential of indel markers mined from a single genotype for use in genetic studies. Methods and Results: Using polyacrylamide gel electrophoresis and DNA silver staining, 89 indel markers were tested for their transferability and polymorphism. Thirty-eight markers were selected. Heterozygosity in C. clementina cv. Nules was confirmed for 33 of these indel pairs. A preliminary diversity study using a capillary electrophoresis fragment analyzer was conducted with 21 indels using 45 accessions representing Citrus genus diversity. Intraspecific and interspecific polymorphisms were observed. Conclusions: These results indicate the utility of indel markers developed from sequence data of a single genotype of interspecific origin. In Citrus, these markers will be useful for genetic mapping, germplasm characterization, and phylogenetic assignment of DNA fragments.