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Comparative genetic structure in pines: evolutionary and conservation consequences
Provedor de dados: 97
Autores: DELGADO,PATRICIA; CUENCA,ARGELIA; ESCALANTE,ANA E.; MOLINA-FREANER,FRANCISCO; PIÑERO,DANIEL.
Pines have been the focus of several studies that estimate population genetic parameters using both allozymes and chloroplast single sequence repeats (SSRs). Also, the genus has also been recently studied using molecular systematics so that we now have a more clear understanding of their evolutionary history. With this background we studied comparatively the genetic structure in pines. Expected heterozygosity is particularly constant with a 99 % confidence interval between 0.19 and 0.23 in species that have been studied until now using allozymes. There is a significant proportion of species (9/41) that show high population differentiation estimates (Fst = or larger than 0.15) and five of these have large and wingless seeds probably associated with low...
Tipo: Journal article
Palavras-chave: Pinus; Genetic structure; Outcrossing rates; Microsatellites; Allozymes.
Ano: 2002
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2002000100004