NSF Postdoctoral Fellowship in Biology FY22: Investigating evolutionary mechanisms that maintain genomic divergence and facilitate local adaptation in gray wolves
2022 财年 NSF 生物学博士后奖学金:研究维持基因组分歧并促进灰狼局部适应的进化机制
基本信息
- 批准号:2208950
- 负责人:
- 金额:$ 20.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Fellowship Award
- 财政年份:2022
- 资助国家:美国
- 起止时间:2022-09-01 至 2025-08-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
This action funds an NSF Postdoctoral Research Fellowship in Biology for FY 2022, Integrative Research Investigating the Rules of Life Governing Interactions Between Genomes, Environment and Phenotypes. The fellowship supports research and training of the fellow that will contribute to the area of Rules of Life in innovative ways. In response to present-day climate change, many species are predicted to shift their distribution and adapt to new environments. This prediction is partly based on knowledge from the past. Climatic changes of the past caused species to undergo dramatic shifts in their range, which sometimes caused once isolated populations to come together in contact with each other. Past shifts in climate and species ranges also required some populations to quickly adapt to new environments. This raises two important questions: how do closely related species or populations remain genetically distinct contact? And what are the sources of genetic variation that facilitate rapid adaptation to new environments? This project will use cutting-edge genomic techniques to investigate these two questions using the gray wolf (Canis lupus) as a study system. The impact of this work will further scientific understanding on the implications of present-day climate change on species, while also providing opportunities in training for early career researchers in Pakistan and other countries. This research will utilize genomic tools, computational methods, and collaborate with a wide range of researchers to investigate mechanisms that maintain genomic divergence and facilitate local adaptation in gray wolves. To address these questions, the Fellow will use ~1,000 gray wolf genomes that are already sequenced or to be collected and sequenced during the project. The Fellow will combine these data with publicly available environmental data to address these three aims (1) identify key historical, environmental, and ecological factors that help explain patterns of phylogenetic and populations genomic structure for worldwide gray wolves, (2) evaluate evidence for mechanisms that maintain genomic divergence, and (3) distinguish genetic sources (e.g. adaptive introgression, standing variation) that facilitate adaptation to new environments. This work will have significant conservation implications for gray wolf conservation, especially for wolf populations that are data deficient and endangered. The Fellow will continue her efforts during her PhD to mentor early career researchers in Pakistan, as well as develop and conduct workshops on data analysis and phylogenetic methods to universities in Pakistan and other countries.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该行动资助 2022 财年 NSF 生物学博士后研究奖学金,旨在调查基因组、环境和表型之间相互作用的生命规则的综合研究。该奖学金支持研究员的研究和培训,以创新的方式为生活规则领域做出贡献。为了应对当今的气候变化,许多物种预计将改变其分布并适应新的环境。这一预测部分基于过去的知识。过去的气候变化导致物种的范围发生了巨大的变化,有时导致曾经孤立的种群相互接触。过去气候和物种范围的变化也要求一些种群快速适应新环境。这就提出了两个重要问题:密切相关的物种或种群如何保持遗传上独特的联系? 促进快速适应新环境的遗传变异的来源是什么?该项目将利用尖端基因组技术,以灰狼(Canis lupus)为研究系统来研究这两个问题。这项工作的影响将进一步加深对当今气候变化对物种影响的科学理解,同时也为巴基斯坦和其他国家的早期职业研究人员提供培训机会。这项研究将利用基因组工具、计算方法,并与广泛的研究人员合作,研究维持基因组分歧和促进灰狼局部适应的机制。为了解决这些问题,研究员将使用约 1,000 个已经测序或将在项目期间收集和测序的灰狼基因组。该研究员将这些数据与公开的环境数据结合起来,以实现这三个目标:(1) 确定关键的历史、环境和生态因素,帮助解释全球灰狼的系统发育和种群基因组结构模式;(2) 评估维持基因组分歧机制的证据;(3) 区分促进适应新环境的遗传来源(例如适应性渐渗、常备变异)。这项工作将对灰狼保护产生重大保护意义,特别是对于数据缺乏和濒临灭绝的狼种群。该研究员将在攻读博士学位期间继续努力,指导巴基斯坦的早期职业研究人员,并为巴基斯坦和其他国家的大学开发和举办数据分析和系统发育方法研讨会。该奖项反映了 NSF 的法定使命,并通过使用基金会的智力价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
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