AQUATIC HOUSING TO STUDY THE ECOLOGY AND EVOLUTION OF FISHES AT THE BAMFIELD MARINE SCIENCES CENTRE

班菲尔德海洋科学中心的水生住宅用于研究鱼类的生态和进化

• 批准号: 439946-2013
• 负责人: Rogers, Sean
• 金额: $ 4.57万
• 依托单位: University of Calgary
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments - Category 1 (<$150,000)
• 财政年份: 2012
• 资助国家: 加拿大
• 起止时间: 2012-01-01 至 2013-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=506795
• 关键词: AQUATIC; HOUSING; STUDY; ECOLOGY; EVOLUTION

Understanding how organisms are so tightly associated with their environments, and the impact this has on communities, represents a fundamental objective of ecology and evolution. Adaptation is a genetic process of evolutionary change, driven by natural selection, resulting in organisms that are well suited to their environment. Our research uses populations of a small fish species, the threespine stickleback, to test these questions. We test hypotheses that adaptation to environmental change is due to genetic changes through the use of experiments (common garden and reciprocal transplants) and molecular methods (genetic mapping and gene expression) that can isolate and study the genes that control these traits. We examine if changes in the environment leave a signature of natural selection on the genomes of locally adapted populations, learning what genes and traits have been the target of natural selection during adaptation to environmental change. Achieving these objectives will lead to better predictions of how organisms evolve in response to rapid environmental changes in nature.

了解生物体如何与其环境紧密相关，以及这对社区的影响，代表了生态学和进化的基本目标。适应是一个由自然选择驱动的进化变化的遗传过程，导致生物体非常适合其环境。我们的研究使用了一种小型鱼类的种群，三棘鱼，来测试这些问题。我们测试的假设，适应环境变化是由于遗传变化，通过使用实验（常见的花园和相互移植）和分子方法（遗传作图和基因表达），可以隔离和研究控制这些性状的基因。我们研究环境的变化是否会在当地适应人群的基因组上留下自然选择的特征，了解在适应环境变化的过程中，哪些基因和性状是自然选择的目标。实现这些目标将有助于更好地预测生物体如何应对自然界的快速环境变化。