Genetic Basis for the Evolution of Dioecy in Silene
Silene雌雄异体进化的遗传基础
基本信息
- 批准号:9307823
- 负责人:
- 金额:$ 22.2万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1993
- 资助国家:美国
- 起止时间:1993-10-15 至 1998-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
9307823 Kesseli The long term objectives are to define the genetic changes and evolutionary processes that lead to dioecy (separate male and female individuals in a population) and to understand the common factors that may be responsible for the repeated occurrence of the dioecious reproductive strategy among living organisms. %%% Specifically the genetic bases for the evolution of dioecy in the plant genus Silene is explored. Four short term objectives will be pursued. The first is to develop genetic maps for the sex chromosomes of the dioecious plant species Silene latifolia and S. otitis. The second is to evaluate gender stability and potential shifts in breeding system in the genus. The third is to characterize and define the organization of the genus responsible for sex determination. The fourth is to compare the architecture of these genes among related dioecious species and hermaphroditic species which lack separate sexes and sex chromosomes.
9307823凯塞利长期目标是界定导致雌雄同体的遗传变化和进化过程,并了解可能导致生物体内雌雄异株繁殖策略反复出现的共同因素。%,具体地说,探索了植物雌雄异株进化的遗传基础。将实现四个短期目标。第一个是为雌雄异株植物--宽叶硅藻和中耳炎的性染色体绘制遗传图谱。二是评估该属的性别稳定性和繁殖系统的潜在变化。第三是描述和定义负责性别决定的属的组织。第四是比较相关的雌雄异株物种和两性物种的这些基因的结构,这些物种缺乏单独的性别和性染色体。
项目成果
期刊论文数量(0)
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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Richard Kesseli其他文献
Richard Kesseli的其他文献
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Standard Grant
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