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NSF Postdoctoral Fellowship in Biology FY 2021: An integrative investigation of host-parasite coevolution across heterogeneous environments

2021 财年 NSF 生物学博士后奖学金：异质环境中宿主-寄生虫协同进化的综合研究

基本信息

批准号：
2109361
负责人：
Jessie Salter
金额：
$ 13.8万
依托单位：
Salter, Jessie Frances
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：
2022-02-01 至 2024-01-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=2109361&HistoricalAwards=false
关键词：
NSF Postdoctoral Fellowship Biology FY

项目摘要

This action funds an NSF Postdoctoral Research Fellowship in Biology for FY 2021, 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. Host-parasite interactions provide a window into how environmental conditions shape traits of interest, which is a key process in evolution that generates biological diversity. This research aims to understand these processes using the Northern Bobwhite quail (Colinus virginianus, which display impressive geographic variation in feather color) and their parasitic feather lice as a model system. Understanding how environmental change induces changes in traits provides insight into how species evolved and may respond to climate change. Bobwhites are a commercially important game species that have experienced population declines of 70% over the past forty years. The interactions between bobwhites and their feather lice are poorly known; this research will provide insight into how feather lice impact bobwhite populations and may contribute to conservation strategy for this species, which is actively managed in 25 states. To increase broader participation in science, the Fellow will develop public exhibits and educational activities based on this research through the Natural History Museum of Los Angeles County.Parasitism is the predominant life history strategy on earth, yet we have a limited understanding of how host-parasite interactions shape the coevolution of traits in wild populations. Bobwhites and their feather lice are a tractable wild system for testing current evolutionary theory and developing new models of host-parasite coevolution across heterogeneous environments. The Fellow will analyze phenotypic and ecological data, including parasite abundance, to assess whether feather lice are associated with plumage phenotypes in bobwhites. The Fellow will quantify phenotypic and genetic data from lice collected from bobwhite specimens to assess the effects of plumage variation on the phenotypes and genotypes of coadapted lice. Finally, the Fellow will use cophylogenetic analyses and whole-genome sequence data from range-wide pairs of coadapted bobwhites and lice to test current theories of coevolution and identify regions of the genomes of both species that are under selection due to environmental variation and host-parasite interactions. Through these activities, the Fellow will support the mentorship and training of two students from underrepresented STEM groups. Additionally, this research will be conducted in a museum setting, and will develop and improve methods for collecting phenotypic and genomic data from museum specimens.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.

该行动资助了2021财年的NSF生物学博士后研究奖学金，即调查基因组，环境和表型之间相互作用的生命规则的综合研究。该研究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。宿主-寄生虫相互作用为了解环境条件如何塑造感兴趣的性状提供了一个窗口，这是产生生物多样性的进化过程中的一个关键过程。本研究的目的是了解这些过程中使用的北方Bobwhite鹌鹑（Colinus virginianus，这显示令人印象深刻的地理变化的羽毛颜色）和他们的寄生羽虱作为一个模型系统。了解环境变化如何引起性状的变化，可以深入了解物种如何进化，并可能对气候变化做出反应。博怀特是一种重要的商业游戏物种，在过去的40年里经历了70%的人口下降。大白鲨和它们的羽毛虱子之间的相互作用知之甚少;这项研究将深入了解羽毛虱子如何影响大白鲨种群，并可能有助于该物种的保护策略，该物种在25个州得到积极管理。为了增加科学的广泛参与，研究员将通过洛杉矶县自然历史博物馆开发基于本研究的公共展览和教育活动。寄生是地球上占主导地位的生活史策略，但我们对宿主-寄生虫相互作用如何塑造野生种群特征的共同进化的理解有限。Bobwhites和它们的羽虱是一个易于处理的野生系统，用于测试当前的进化理论和开发跨异质环境的宿主-寄生虫共同进化的新模型。研究员将分析表型和生态数据，包括寄生虫丰度，以评估羽虱是否与bobwhites的羽毛表型相关。该研究员将量化的表型和遗传数据收集的虱子从bobwhite标本，以评估羽毛的变化对表型和基因型的共适应虱子的影响。最后，研究员将使用cophylogenetic分析和全基因组序列数据，从范围广泛的对coadapted bobwhites和虱子，以测试目前的共同进化理论，并确定这两个物种的基因组区域的选择，由于环境变化和宿主-寄生虫的相互作用。通过这些活动，研究员将支持来自代表性不足的STEM团体的两名学生的辅导和培训。此外，该研究将在博物馆环境中进行，并将开发和改进从博物馆标本中收集表型和基因组数据的方法。该奖项反映了NSF的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。