McKenzie J A, Yen J L
Department of Genetics, University of Melbourne, Parkville, Victoria, Australia.
Heredity (Edinb). 1995 Aug;75 ( Pt 2):181-7. doi: 10.1038/hdy.1995.122.
Dieldrin-resistant (Rdl/Rdl and Rdl/+) and susceptible (+/+) phenotypes of Lucilia cuprina were scored for departures from bilateral symmetry for bristle characters after development at different temperatures, larval densities or concentrations of dieldrin. The asymmetry phenotype of resistant flies was dominant and independent of developmental temperature and larval density. The asymmetry of susceptibles increased for temperatures and larval densities above and below standard rearing conditions. A positive correlation was observed between asymmetry score and dieldrin concentration for all genotypes. The susceptible phenotype did not attain the asymmetry score of resistant in any environment. Resistant phenotypes showed an antisymmetric pattern in each environment; fluctuating asymmetry was observed for susceptibles. The relevance of the results of genetic and general or specific environmental stresses to estimates of developmental perturbation is discussed.
在不同温度、幼虫密度或狄氏剂浓度下发育后，对铜绿蝇的抗狄氏剂（Rdl/Rdl和Rdl/+）和敏感（+/+）表型的刚毛特征偏离双侧对称的情况进行评分。抗性果蝇的不对称表型是显性的，且与发育温度和幼虫密度无关。在高于和低于标准饲养条件的温度和幼虫密度下，敏感果蝇的不对称性增加。所有基因型的不对称评分与狄氏剂浓度之间均观察到正相关。在任何环境中，敏感表型都未达到抗性表型的不对称评分。抗性表型在每个环境中都呈现出反对称模式；敏感果蝇则观察到波动不对称。讨论了遗传以及一般或特定环境应激结果与发育扰动估计的相关性。
