DISSERTATION RESEARCH: Systematics of Amorpha L. (Papilionoideae: Fabaceae) - Molecular Phylogenetics, Evolution, and Conservation

论文研究：紫穗槐系统学（蝶形花科：豆科）- 分子系统发育、进化和保护

基本信息

批准号：
0709960
负责人：
Jeffrey Doyle
金额：
$ 1.2万
依托单位：
Cornell Univ - State: AWDS MADE PRIOR MAY 2010
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2007
资助国家：
美国
起止时间：
2007-06-01 至 2010-05-31
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=0709960&HistoricalAwards=false
关键词：
DISSERTATION RESEARCH Systematics Amorpha L.

项目摘要

Systematics of Amorpha L. (Papilionoideae: Fabaceae) - Molecular Phylogenetics, Evolution, and Conservation Delimiting closely related species and understanding their evolutionary relationships presents a significant challenge for biologists. The legume genus Amorpha L., with its 15 morphologically variable, yet genetically similar, species illustrates these difficult problems. Amorpha includes several endangered species, as well as a widespread, weedy species complex. The goals of this proposed research are to elucidate the evolutionary relationships among Amorpha species, explore the origin of and relationships within the A. fruticosa species complex, and assess the taxonomy and genetic diversity of rare Amorpha species. In order to accomplish these objectives, diverse methodologies will be used to uncover molecular sequence variation patterns and collect basic biological information, such as genome size and chromosome number. Knowledge of the evolutionary relationships of Amorpha species will provide better understanding of a poorly studied genus and possible insight into the relationship of genome duplication to invasiveness. In combination with population genetic studies, this work will expand current knowledge for working at the boundary between species and populations. Genetic markers developed in this study will have utility for other researchers and information gathered about rare species will be useful to government agencies for assessing conservation plans and preventing loss of biodiversity.

Amorpha L.（乳头状科：Fabaceae）的系统学 - 分子系统发育学，进化和保护界定紧密相关的物种并理解其进化关系对生物学家带来了重大挑战。豆科植物的杀虫剂具有15种形态学变化，但遗传相似的物种说明了这些困难问题。氨虫包括几种濒临灭绝的物种，以及广泛的杂草综合体。这项拟议的研究的目标是阐明氨基虫物种之间的进化关系，探索叶曲霉物种复合物中的起源和关系，并评估稀有氨甲虫物种的分类学和遗传多样性。为了实现这些目标，将使用各种方法来发现分子序列变异模式并收集基本的生物学信息，例如基因组大小和染色体数。了解氨甲状腺物种的进化关系将更好地理解研究良好的属，并可能洞悉基因组重复与侵入性的关系。结合种群遗传研究，这项工作将扩大当前在物种和人群之间边界工作的知识。这项研究中开发的遗传标记将为其他研究人员提供效用，并且收集的有关稀有物种的信息将对政府机构评估保护计划和防止生物多样性丧失。