Analysis of phylogenetic relationships of Hordeum (Poaceae) polyploids

大麦(禾本科)多倍体系统发育关系分析

基本信息

项目摘要

Polyploidy, this means the duplication of entire genomes, is a very important mechanism creating biodiversity in plants. Within the barley genus Hordeum about half of the taxa are polyploids, mostly allopolyploids combining genomes from two or three different parental species. While for the diploid taxa a good hypothesis of phylogenetic relationships already exists, for polyploids few information is available. Knowledge of the phylogeny of a group is indispensable for further analyses of evolutionary or ecological processes. Within the proposed project I will analyze species relationships in Hordeum with three single copy nuclear marker loci by sequencing of cloned PCR products of these regions and using phylogenetic analysis algorithms. For some polyploid groups in-detail studies will be conducted including sequence analysis and genomic in situ hybridization (GISH). The work will result in a better understanding of this important grass genus, will establish new markers regions useful in grass or at least in Triticeae systematics, provide dating of polyploid origins, and will allow further analyses of genomic and ecological changes after or connected with polyploidization.
多倍性,也就是整个基因组的复制,是创造植物生物多样性的一个非常重要的机制。在大麦属中,大约一半的分类群是多倍体,大多数是异源多倍体,其基因组来自两个或三个不同的亲本物种。虽然二倍体类群的系统发育关系的一个很好的假设已经存在,多倍体的信息很少。了解一个群体的进化史对于进一步分析进化或生态过程是必不可少的。在拟议的项目中,我将分析大麦的物种关系与三个单拷贝核标记位点的克隆PCR产物的测序这些地区,并使用系统发育分析算法。对于某些多倍体群体,将进行详细的研究,包括序列分析和基因组原位杂交(GISH)。这项工作将导致更好地了解这一重要的草属,将建立新的标记区域在草或至少在小麦族系统学,提供多倍体起源的约会,并将允许进一步分析基因组和生态变化后或与多倍体化。

项目成果

期刊论文数量(2)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Dr. Frank R. Blattner其他文献

Dr. Frank R. Blattner的其他文献

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{{ truncateString('Dr. Frank R. Blattner', 18)}}的其他基金

Biogeographical dynamics of plant taxa and climate-landscape history of the Eurasian steppe belt: Genes documenting history.
欧亚草原带植物类群的生物地理动力学和气候景观历史:记录历史的基因。
  • 批准号:
    317470592
  • 财政年份:
    2016
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Evolution and phylogenetic systematics of the sexually dimorphic orchid genus Cycnoches
两性二态兰花属 Cycnoches 的进化和系统发育系统学
  • 批准号:
    258432194
  • 财政年份:
    2014
  • 资助金额:
    --
  • 项目类别:
    Research Grants
The origin of saffron. Part 2: The role of polyploidy for saffron secondary metabolites
藏红花的产地。
  • 批准号:
    264351574
  • 财政年份:
    2014
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Comparative phylogeography of three woody species to infer vegetation history of the Patagonian steppe
三种木本植物的比较系统发育地理学推断巴塔哥尼亚草原的植被历史
  • 批准号:
    212090009
  • 财政年份:
    2012
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Analysis of phylogenetic relationships among Triticeae grasses II - The (allo)polyploid genera
小麦科禾本科植物II-(异源)多倍体属的系统发育关系分析
  • 批准号:
    179096616
  • 财政年份:
    2011
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Phylogenetic analysis of Crocus (Iridaceae) and inference of the phylogeography of Crocus biflorus in Anatolia
番红花(鸢尾科)的系统发育分析和安纳托利亚番红花的系统发育地理学推断
  • 批准号:
    119213097
  • 财政年份:
    2009
  • 资助金额:
    --
  • 项目类别:
    Research Grants
The evolutionary history of Hypericum (Hypericaceae) with special emphasis on sect. Hypericum - Biogeography, character evolution, ecological shifts, and age estimations
金丝桃科(Hypericaceae)的进化史,特别强调的是金丝桃属。
  • 批准号:
    40157212
  • 财政年份:
    2007
  • 资助金额:
    --
  • 项目类别:
    Research Grants
Mechanisms of speciation in Southeast Asian ant-plants of the genus Macaranga (Euphorbiaceae) associated with Crematogaster ants
与火腹蚁相关的东南亚大戟属蚂蚁植物的物种形成机制
  • 批准号:
    5362765
  • 财政年份:
    2002
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Mechanisms of speciation in Southeast Asian ant-plants of the genus Macaranga (Euphorbiaceae) associated with Crematogaster ants
与火腹蚁相关的东南亚大戟属蚂蚁植物的物种形成机制
  • 批准号:
    5362769
  • 财政年份:
    2002
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes
Speciation mechanisms underlying rapid radiations in South American and Central Asian species of Hordeum (Poaceae)
南美洲和中亚大麦(禾本科)物种快速辐射的物种形成机制
  • 批准号:
    5362813
  • 财政年份:
    2002
  • 资助金额:
    --
  • 项目类别:
    Priority Programmes

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小麦科禾本科植物II-(异源)多倍体属的系统发育关系分析
  • 批准号:
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获取用于分析系统发育关系和群体遗传学的遗传分析仪。
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