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|Title:||Assessment of genetic relationship in Persea spp by traditional molecular markers||Authors:||JUAN CARLOS REYES ALEMAN
ERNESTINA VALADEZ MOCTEZUMA
ALEJANDRO FACUNDO BARRIENTOS PRIEGO
|Keywords:||avocado;pcr;genetic resources;differentiation;genomic relationship;molecular markers;info:eu-repo/classification/cti/2||Publisher:||Genetics and molecular Research||Description:||Currently, the reclassification of the genus Persea is under discussion with molecular techniques for DNA analysis representing an alternative for inter- and intra-specific differentiation. In the present study, the traditional random-amplified polymorphic DNA (RAPD) and the inter simple sequence repeat (ISSR) markers were used to determine the genomic relationship of different species and hybrids representative of the subgenera Eriodaphne and Persea in a population conserved in a germplasm bank. The data were analyzed statistically using multivariate methods. In the RAPD analysis, a total of 190 polymorphic bands were produced, with an average of 23.7 bands per primer, the percentage contribution of each primer was from 7.66 to 19.63; the polymorphic information content (PIC) ranged from 0.23 to 0.45, with an average of 0.35. In the ISSR analysis, a total of 111 polymorphic bands were considered, with an average of 18.5 bands per primer, the percentage contribution of each was from 11.83 to 19.57; the PIC ranged from 0.35 to 0.48, with an average of 0.42. The phenograms obtained in each technique showed the relationship among the accessions through the clusters formed. In general, J.C. Reyes-Alemán et al. 2 Genetics and Molecular Research 15 (2): gmr.15027359 ©FUNPEC-RP www.funpecrp.com.br both the techniques grouped representatives of the Persea americana races (P. americana var. drymifolia, P. americana var. guatemalensis, and P. americana var. americana). However, it was not possible to separate the species of Persea used as reference into independent clades. In addition, they tended to separate the representatives of subgenera Eriodaphne and Persea.||Other Identifiers:||http://hdl.handle.net/20.500.11799/66141||Rights:||info:eu-repo/semantics/openAccess
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