Clinal variation and selection on MDH allozymes in honeybees in Chile
Clinal variation and selection on MDH allozymes in honeybees in Chile
Authors
Del Lama, MA
Souza, RO
Duran, XAA
Soares, AEE
Souza, RO
Duran, XAA
Soares, AEE
Profesor GuĆa
Authors
Date
Datos de publicaciĆ³n:
HEREDITAS,Vol.140,149-153,2004
Tipo de recurso
Article
Keywords
Materia geogrƔfica
Collections
Abstract
Evidence of clinal variation and selection on Mdh-1 locus was observed in 27 samples from 22 sites in a 2800 km north-south transect across Chile. We found a negative correlation among F allele normalized frequency and mean temperature, and minimum temperature of January and July, as well as a positive correlation among S allele normalized frequency and annual mean, and minimum January temperatures. Our results lend weight to the idea that Chilean honeybee populations of colder areas have higher F allele frequencies, supporting previous claims that Mdh-l allozymes of Apis mellifera are subject to temperature-mediated selection.