The role of recombination in eucalypt evolution

重组在桉树进化中的作用

• 批准号: DP140102552
• 负责人: Prof Rene Vaillancourt
• 金额: $ 22.23万
• 依托单位: University of Tasmania
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2014
• 资助国家: 澳大利亚
• 起止时间: 2014-01-01 至 2017-12-01
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP140102552
• 关键词: role; recombination; eucalypt; evolution

Meiotic recombination is a key source of the genetic variation upon which evolution thrives. This project aims to exploit new genomic resources to provide the first detailed study of recombination in Australia’s iconic Eucalypts and clarify its evolutionary role. This project will study: variation in the rate of recombination along the 11 Eucalypt chromosomes, and determine genome features which are associated with ‘hotspots’ and ‘coldspots’ of recombination; the patterns of variation in recombination rate between species, genotypes, sexes and chromosomes; and, whether the environment and population history affect recombination and thus evolvability of natural populations.

减数分裂重组是进化得以蓬勃发展的遗传变异的关键来源，该项目旨在开发新的基因组资源，对澳大利亚标志性桉树的重组进行首次详细研究，并阐明其在进化中的作用。沿 11 条桉树染色体的重组，并确定与重组“热点”和“冷点”相关的基因组特征；物种、基因型、性别和染色体；以及环境和种群历史是否影响重组，从而影响自然种群的进化。