RUI: Collaborative research - Genetic and Cell Behavioral Characterization of Nonrandom Mating in Arabidopsis Thaliana

RUI:合作研究——拟南芥非随机交配的遗传和细胞行为特征

基本信息

  • 批准号:
    0744943
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2008
  • 资助国家:
    美国
  • 起止时间:
    2008-06-01 至 2011-07-31
  • 项目状态:
    已结题

项目摘要

RUI Collaborative research: Genetic and cell behavioral characterization of nonrandom mating in Arabidopsis thaliana.Because of their lack of mobility, flowering plants are sometimes thought to be passive mates, accepting all sperm indiscriminately. The pollen dusted across the female flower, however, is a mixture, whose proportions do not often match proportions within progeny. In other words, some pollen have greater mating success, a phenomenon called nonrandom mating. The principle scientists for this proposal will exploit tools available in the model plant Arabidopsis thaliana to study the genetic architecture and cell behaviors responsible for nonrandom mating among compatible mates. Using genetically-distinct accessions of A. thaliana, these scientists are constructing preliminary maps of the female and male genetic loci involved in nonrandom mating. These scientists are also characterizing pollen cell behaviors responsible for competitive performances in these two accessions, using microsurgery and races between pollen cells expressing fluorescent proteins of different colors. Compatible mate choice mechanisms have striking evolutionary significance in organisms across kingdoms. The two approaches outlined in this proposal, genetic and cell biological, compliment each other to yield a uniquely comprehensive understanding of these mechanisms in flowering plants; such studies address fundamental questions in plant reproductive choice and flower function and could be especially valuable in agriculture. Finally, this project demands cross-specialty collaboration between two undergraduate institutions, one of them a historically black college for women; this collaboration will expose and recruit students to research professions, while enhancing the research and teaching infrastructures of both institutions.
RUI合作研究:拟南芥非随机交配的遗传和细胞行为特征。由于缺乏移动性,开花植物有时被认为是被动交配,不分青红皂白地接受所有精子。然而,撒在雌花上的花粉是一种混合物,其比例通常与后代的比例不匹配。换句话说,一些花粉的交配成功率更高,这种现象被称为非随机交配。这一提议的主要科学家将利用模式植物拟南芥中可用的工具来研究亲和配偶之间非随机交配的遗传结构和细胞行为。这些科学家使用遗传上截然不同的拟南芥种质,正在构建与非随机交配有关的雌性和雄性遗传基因座的初步图谱。这些科学家还利用显微外科手术和表达不同颜色荧光蛋白的花粉细胞之间的竞争,表征了这两个材料中负责竞争表现的花粉细胞的行为。相容的配偶选择机制在不同王国的有机体中具有显著的进化意义。这项建议中概述的两种方法--遗传学和细胞生物学--相互补充,对开花植物的这些机制有了独特的全面了解;这些研究解决了植物生殖选择和花功能的基本问题,在农业中可能特别有价值。最后,该项目需要两所本科院校之间的跨专业合作,其中一所是历史上的黑人女子学院;这种合作将使学生进入研究专业并招收学生,同时加强两所机构的研究和教学基础设施。

项目成果

期刊论文数量(0)
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Anna Edlund其他文献

Soil microbiome interventions for carbon sequestration and climate mitigation
用于碳封存和气候缓解的土壤微生物组干预措施
  • DOI:
    10.1128/msystems.01129-24
  • 发表时间:
    2024-12-16
  • 期刊:
  • 影响因子:
    4.600
  • 作者:
    Gwyn A. Beattie;Anna Edlund;Nwadiuto Esiobu;Jack Gilbert;Mette Haubjerg Nicolaisen;Janet K. Jansson;Paul Jensen;Marco Keiluweit;Jay T. Lennon;Jennifer Martiny;Vanessa R. Minnis;Dianne Newman;Raquel Peixoto;Christopher Schadt;Jan Roelof van der Meer
  • 通讯作者:
    Jan Roelof van der Meer
Cystic Fibrosis Transmembrane Conductance Regulator in Mouse Pancreatic Beta-Cells
  • DOI:
    10.1016/j.bpj.2009.12.2732
  • 发表时间:
    2010-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Anna Edlund
  • 通讯作者:
    Anna Edlund
ヒト虫歯菌が生産するテトラミン酸系抗生物質
人类龋齿菌产生的四酸抗生素
  • DOI:
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    工藤 雄大;Xiaoyu Tang;Jonathon;L. Baker;Anna Edlund;Bradley S. Moore
  • 通讯作者:
    Bradley S. Moore
Correction to: Oral Microbial Species and Virulence Factors Associated with Oral Squamous Cell Carcinoma
  • DOI:
    10.1007/s00248-020-01641-3
  • 发表时间:
    2020-11-20
  • 期刊:
  • 影响因子:
    4.000
  • 作者:
    Manolito G. Torralba;Gajender Aleti;Weizhong Li;Kelvin Jens Moncera;Yi-Han Lin;Yanbao Yu;Michal M. Masternak;Wojciech Golusinski;Pawel Golusinski;Katarzyna Lamperska;Anna Edlund;Marcelo Freire;Karen E. Nelson
  • 通讯作者:
    Karen E. Nelson

Anna Edlund的其他文献

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{{ truncateString('Anna Edlund', 18)}}的其他基金

RUI: Collaborative research - Genetic and Cell Behavioral Characterization of Nonrandom Mating in Arabidopsis Thaliana
RUI:合作研究——拟南芥非随机交配的遗传和细胞行为特征
  • 批准号:
    1138371
  • 财政年份:
    2011
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
RIG/CAA: Unique Mechanisms of Pollen Tube Germination in Arabidopsis Thaliana
RIG/CAA:拟南芥花粉管萌发的独特机制
  • 批准号:
    0544349
  • 财政年份:
    2006
  • 资助金额:
    --
  • 项目类别:
    Standard Grant

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