International Research Fellowship Program: Using Empirical Data to Test Population and Metapopulation Models for the Evolution of Mating Systems in the Annual Plant M. Annua

国际研究奖学金计划：利用经验数据测试一年生植物 M. Annua 交配系统进化的种群和集合种群模型

• 批准号: 0202645
• 负责人: Sarah Eppley
• 金额: $ 18.45万
• 依托单位: Eppley Sarah M
• 依托单位国家: 美国
• 项目类别: Fellowship Award
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-09-01 至 2005-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0202645&HistoricalAwards=false
• 关键词: International; Research; Fellowship; Program; Using

0202645EppleyThe International Research Fellowship Program enables U.S. scientists and engineers to conduct three to twenty-four months of research abroad. The program's awards provide opportunities for joint research, and the use of unique or complementary facilities, expertise and experimental conditions abroad.This award will support a twenty-four month research fellowship by Dr. Sarah M. Eppley to work with Dr. John R. Pannell at the University of Oxford in the United Kingdom.Dr. Eppley and her host will test population and metapopulation models for the evolution of mating systems in Mercurialis annual. This annual plant is an excellent species for empirical studies designed to test theoretical models such as this because it is a short-lived annual that can be grown to sexual maturity within weeks. It also offers an exceptional opportunity to determine the relationship between various mating-system parameters and breeding systems. Ongoing research has established baseline information and techniques for this species, including development of molecular markers that lend themselves to the study of specific questions regarding mating-system evolution. This study is the first of its kind to compare the rates of gene flow between inbreeding and outbreeding populations in the context of combines versus separate sexes. The project will also provide information on the consequences for gene flow of contrasting sex allocation strategies in a wind-pollinated plant species.The University of Oxford's faculty has been actively investigating plant evolutionary processes, with cross-disciplinary interactions between plant ecologists, geneticists, physiologists, and molecular biologists. Dr. Pannell has been working with M. annua for seven years and is an authority on the genetics of plant mating systems and on the construction and interpretation of theoretical models exploring mating-system evolution.

0202645Eppley国际研究奖学金计划使美国科学家和工程师能够在国外进行三到二十四个月的研究。 该计划的奖项提供了联合研究的机会，以及使用独特或互补的设施，专业知识和国外的实验条件。Eppley与John R博士合作。Eppley博士和她的主持人将测试种群和集合种群模型，以研究一年生墨丘利的交配系统的进化。这种一年生植物是一个很好的物种，用于实验研究，旨在测试这样的理论模型，因为它是一种短命的一年生植物，可以在几周内生长到性成熟。 它还提供了一个特殊的机会，以确定各种交配系统参数和育种系统之间的关系。 正在进行的研究已经建立了这个物种的基线信息和技术，包括分子标记的发展，有助于研究有关交配系统进化的具体问题。 这项研究是同类研究中第一个比较近亲繁殖和远系繁殖种群之间的基因流动速率的研究。 该项目还将提供风媒传粉植物物种中性别分配策略对比的基因流后果的信息。牛津大学的教师一直在积极研究植物进化过程，植物生态学家，遗传学家，生理学家和分子生物学家之间的跨学科相互作用。 Pannell博士一直在与M. annua七年，是植物交配系统遗传学以及探索交配系统进化的理论模型的构建和解释的权威。