Sexual selection and speciation: from gametes to ornaments

性选择和物种形成:从配子到装饰品

基本信息

  • 批准号:
    2349-2008
  • 负责人:
  • 金额:
    $ 5.02万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2012
  • 资助国家:
    加拿大
  • 起止时间:
    2012-01-01 至 2013-12-31
  • 项目状态:
    已结题

项目摘要

More than 130 years ago, Charles Darwin suggested that some plant and animal features might help individuals to obtain mates, even though those traits were detrimental to survival. Such 'sexually selected' traits, he said, are thus very different from survival traits that resulted from natural selection. Even though this was a major scientific discovery, it was largely ignored for more than a century for both sociological and scientific reasons. The past 30 years, though, has seen a major resurgence of interest in sexual selection due to the development of both sophisticated theories that make a variety of interesting predictions and new experimental, molecular and observational techniques that allow us to thoroughly test those theories. My research focuses on both precopulatory (mate attraction) and postcopulatory (fertilization) characteristics of animals to test and develop theory that will help us to better explain the diversity of animals that have evolved as a result of sexual selection. Our current research addresses two general questions: (1) Why is there so much variation in colour within and among species of birds? and (2) Why does the size, structure and behaviour of sperm vary so much from species to species? Thus, we are trying to understand how bright plumage of different colours helps male (and less often female) birds obtain mates of high quality. Our work on bird coloration is leading to a better appreciation of the nature of colour vision and the mechanisms by which colours are produced and displayed in nature. Our studies of sperm evolution are also designed to help us understand more about the diversity of animal structure and behaviour but they have some additional aquacultural, agricultural and medical applications in helping us to understand how a male's condition influences his sperm quality and fertilization success. It is becoming increasingly clear that both pre- and postcopulatory processes are important to the origin, diversification and maintenance of species, so our work makes an important contribution to the study of the speciation process.
130多年前,查尔斯达尔文提出,某些植物和动物的特征可能有助于个体获得配偶,即使这些特征不利于生存。他说,这样的“性选择”特征与自然选择导致的生存特征非常不同。尽管这是一个重大的科学发现,但由于社会学和科学的原因,它在世纪多的时间里被忽视了。然而,在过去的30年里,由于复杂的理论和新的实验、分子和观察技术的发展,性选择的兴趣重新抬头,这些理论做出了各种有趣的预测,使我们能够彻底测试这些理论。我的研究重点是动物的交配前(配偶吸引)和交配后(受精)特征,以测试和发展理论,这将有助于我们更好地解释由于性选择而进化的动物的多样性。我们目前的研究解决了两个一般性问题:(1)为什么鸟类内部和物种之间的颜色有如此大的差异?(2)为什么精子的大小、结构和行为在不同物种之间差异如此之大?因此,我们试图了解不同颜色的鲜艳羽毛如何帮助雄性(较少是雌性)鸟类获得高质量的配偶。我们在鸟类着色方面的工作使我们更好地理解了色觉的本质以及自然界中产生和显示颜色的机制。我们对精子进化的研究也旨在帮助我们更多地了解动物结构和行为的多样性,但它们在水产养殖,农业和医学方面也有一些额外的应用,帮助我们了解男性的状况如何影响他的精子质量和受精成功。越来越清楚的是,交配前和交配后的过程对物种的起源,多样化和维持都很重要,因此我们的工作对物种形成过程的研究做出了重要贡献。

项目成果

期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Montgomerie, Robert其他文献

Closely related species of birds differ more in body size when their ranges overlap-in warm, but not cool, climates
  • DOI:
    10.1111/evo.12706
  • 发表时间:
    2015-07-01
  • 期刊:
  • 影响因子:
    3.3
  • 作者:
    Bothwell, Emma;Montgomerie, Robert;Martin, Paul R.
  • 通讯作者:
    Martin, Paul R.
Robin's egg blue: does egg color influence male parental care?
  • DOI:
    10.1007/s00265-010-1107-9
  • 发表时间:
    2011-05-01
  • 期刊:
  • 影响因子:
    2.3
  • 作者:
    English, Philina A.;Montgomerie, Robert
  • 通讯作者:
    Montgomerie, Robert
Testis asymmetry in birds: the influences of sexual and natural selection
  • DOI:
    10.1111/jav.00503
  • 发表时间:
    2015-03-01
  • 期刊:
  • 影响因子:
    1.7
  • 作者:
    Calhim, Sara;Montgomerie, Robert
  • 通讯作者:
    Montgomerie, Robert
Does kin selection moderate sexual conflict in Drosophila?
Sperm quality influences male fertilization success in walleye (Sander vitreus)

Montgomerie, Robert的其他文献

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{{ truncateString('Montgomerie, Robert', 18)}}的其他基金

Sexual selection and the perception of colour
性选择和颜色感知
  • 批准号:
    RGPIN-2014-05711
  • 财政年份:
    2018
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Sexual selection and the perception of colour
性选择和颜色感知
  • 批准号:
    RGPIN-2014-05711
  • 财政年份:
    2017
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Sexual selection and the perception of colour
性选择和颜色感知
  • 批准号:
    RGPIN-2014-05711
  • 财政年份:
    2016
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Sexual selection and the perception of colour
性选择和颜色感知
  • 批准号:
    RGPIN-2014-05711
  • 财政年份:
    2015
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Sexual selection and the perception of colour
性选择和颜色感知
  • 批准号:
    RGPIN-2014-05711
  • 财政年份:
    2014
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Social selection and the perception of colours
社会选择和颜色感知
  • 批准号:
    2349-2013
  • 财政年份:
    2013
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Sexual selection and speciation: from gametes to ornaments
性选择和物种形成:从配子到装饰品
  • 批准号:
    2349-2008
  • 财政年份:
    2011
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Sexual selection and speciation: from gametes to ornaments
性选择和物种形成:从配子到装饰品
  • 批准号:
    2349-2008
  • 财政年份:
    2010
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Sexual selection and speciation: from gametes to ornaments
性选择和物种形成:从配子到装饰品
  • 批准号:
    2349-2008
  • 财政年份:
    2009
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual
Sexual selection and speciation: from gametes to ornaments
性选择和物种形成:从配子到装饰品
  • 批准号:
    2349-2008
  • 财政年份:
    2008
  • 资助金额:
    $ 5.02万
  • 项目类别:
    Discovery Grants Program - Individual

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RoL:学习何时通过性选择促进物种形成?
  • 批准号:
    2050358
  • 财政年份:
    2021
  • 资助金额:
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Theory of hybrid speciation by sexual selection
性选择杂交物种形成理论
  • 批准号:
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  • 财政年份:
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Sexual selection, mating systems and speciation: testing a novel hypothesis using genomic data
性选择、交配系统和物种形成:使用基因组数据检验新假设
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性选择会加速还是减缓北极滨鸟的物种形成?
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