Dissertation Research: Host Race Formation and Phylogeography of a Plant Parasite
Dissertation Research: Host Race Formation and Phylogeography of a Plant Parasite
批准号:
0206238
负责人:
Jeffry Mitton
金额:
$0.99万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2002
资助国家:
美国
项目状态:
已结题
起止时间:
2002-06-15 至 2004-05-31
中文摘要
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英文摘要
The dwarf mistletoe, Arceuthobium divaricatum, is a parasitic plant that parastizes six species of pinon pines in the southwest. This project will examine the effects of host selection, historic geographic isolation and subsequent host migration on the patterns of genetic differences among populations of A. divaricatum. The goal of this study is to determine how these factors together have fostered the evolution of A. divaricatum. Chloroplast DNA sequences will be used to determine if host selection has played a role in the evolution of A. divaricatum. In addition, sequence variation will be analyzed to determine whether population differentiation due to historic geographic isolation can be detected. Few studies have simultaneously examined the influence of host selection and historic geographic isolation on the differentiation of populations within a species. Often, evolutionary biologists credit either one or the other of these factors in shaping these population differences. This study in A. divaricatum will enhance the understanding of how various factors influence the evolution of a species. Additionally, because very little is known about population structures of parasitic plants, this study will enhance the understanding of migration, gene flow and population differentiation in a parasitic plant species.
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MtDNA and cpDNA Phylogeographies of Ponderosa Pine and Limber Pine
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批准号:0111375
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项目类别:Standard Grant
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资助金额:$25.0万
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财政年份:2001
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负责人:Jeffry Mitton
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依托单位:
MtDNA and CpDNA Sequence Variation in Limber Pine and Ponderosa Pine
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项目类别:Standard Grant
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资助金额:$0.73万
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负责人:Jeffry Mitton
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依托单位:
DISSERTATION RESEARCH: Evolution of Resource Specilization in the Bark Beetle Genus Dendroctonus
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批准号:9623763
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项目类别:Standard Grant
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资助金额:$1.0万
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财政年份:1996
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负责人:Jeffry Mitton
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依托单位:
Dissertation Research: Population Structure in Ponderosa Pine
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批准号:9520381
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项目类别:Standard Grant
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资助金额:$0.69万
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财政年份:1995
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负责人:Jeffry Mitton
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依托单位:
Realized Gene Flow and the Mating System of Limber Pine
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批准号:8614937
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项目类别:Standard Grant
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资助金额:$11.0万
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财政年份:1987
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负责人:Jeffry Mitton
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依托单位:
Morphological and Genetic Studies of the Systematics of Mytilus Edulis
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批准号:8103520
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项目类别:Standard Grant
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资助金额:$0.95万
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财政年份:1981
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负责人:Jeffry Mitton
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依托单位:
Collaborative Studies on Genetic Analysis of Population Structure of Trees
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批准号:7816798
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项目类别:Standard Grant
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资助金额:$7.0万
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财政年份:1978
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负责人:Jeffry Mitton
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依托单位:
Genetic Analyses of Hormones in Ambystoma
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批准号:7716245
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项目类别:Standard Grant
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资助金额:$6.3万
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财政年份:1978
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负责人:Jeffry Mitton
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依托单位:
Collaborative Research in Genetic Analysis of Population Structure in Two Tree Species
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批准号:7514050
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项目类别:Continuing Grant
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资助金额:$7.97万
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财政年份:1975
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负责人:Jeffry Mitton
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依托单位:
国内基金
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