期刊
ECOTOXICOLOGY
卷 10, 期 4, 页码 217-222出版社
SPRINGER
DOI: 10.1023/A:1016617410786
关键词
phylogeography; ecotoxicology; population genetics
Genetics of ecotoxicology has recently emerged as a priority research field. The advent of polymerase chain reaction and molecular population genetics has made it possible to examine the genetics in even the smallest individuals. Although a potentially powerful technique, current approaches oversimplify the relationship of change in gene frequency to contaminant exposure. Many of these approaches cannot control for random correlation or accessory abiotic factors that impinge on the system tested. Indeed, the gestalt approaches of laboratory exposure or natural field experiments may ignore significant genome-level interactions that are important within a given system. At the very least, these approaches would benefit by a biogeographic survey of genetic variation to understand geographic microevolutionary patterns, or phylogeography, within a species to reduce spurious correlations and erroneous conclusions. Other single locus approaches can be chosen to enhance this approach if genetic/environmental interactions have been characterized for laboratory populations or for other model systems.
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