U.S.-Mexico Research: Ecological Genetics of Desert Adapted Drosophila

9402161皮特尼克这个美国-墨西哥奖项将支持亚利桑那州立大学的斯科特·皮尼克教授与蒙特雷技术学院的爱德华·菲勒教授进行研究合作，瓜伊马斯校区。研究人员打算利用索诺兰沙漠特有的四种嗜食果蝇的等位酶变异性来表征这四种果蝇的遗传结构，并在资源可获得性的背景下比较每一物种在不同季节的遗传结构。他们还将研究基因型和对极端高温的差异耐受性之间的关系。索诺兰沙漠特有的四种果蝇是生态遗传学研究的重要模式。然而，由于缺乏对这些种群的遗传结构的了解，以及遗传结构如何随着资源的可获得性和季节的变化而变化，它们的用途受到了限制。拟议的工作，通过补充使用设施和专门知识，将增加我们对该领域的了解。***

9402161 Pitnick This U.S.-Mexico award will support Prof. Scott Pitnick of Arizona State University in a research collaboration with Prof. Edward Pfeiler of the Instituto Tecnologico y de Estudios Superiores de Monterrey, Guaymas campus. The investigators intend to use allozyme variability of four cactophilic Drosophila species, endemic to the Sonoran Desert, to characterize the genetic structure of all four species and to compare the genetic structure of each species at different seasons in the context of resource availability. They will also examine the relationship between genotype and differential tolerance to thermal extremes. The four Drosophila species endemic to the Sonoran Desert have been an important model for studies of ecological genetics. Their usefulness, however, has been limited by the lack of knowledge of the genetic structure of these populations and how genetic structure varies with resource availability and with season. The proposed work, through complementary use of facilities and expertise, will increase our understanding of the field. ***