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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Genes involved in convergent evolution of eusociality in bees
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Genes involved in convergent evolution of eusociality in bees

机译：蜜蜂的道德社会融合进化涉及的基因

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摘要

Eusociality has arisen independently at least 11 times in insects. Despite this convergence, there are striking differences among eusocial lifestyles, ranging from species living in small colonies with overt conflict over reproduction to species in which colonies contain hundreds of thousands of highly specialized sterile workers produced by one or a few queens. Although the evolution of eusociality has been intensively studied, the genetic changes involved in the evolution of eusociality are relatively unknown. We examined patterns of molecular evolution across three independent origins of eusociality by sequencing transcriptomes of nine socially diverse bee species and combining these data with genome sequence from the honey bee Apis mellifera to generate orthologous sequence alignments for 3,647 genes. We found a shared set of 212 genes with a molecular signature of accelerated evolution across all eusocial lineages studied, as well as unique sets of 173 and 218 genes with a signature of accelerated evolution specific to either highly or primitively eusocial lineages, respectively. These results demonstrate that convergent evolution can involve a mosaic pattern of molecular changes in both shared and lineage-specific sets of genes. Genes involved in signal trans-duction, gland development, and carbohydrate metabolism are among the most prominent rapidly evolving genes in eusocial lineages. These findings provide a starting point for linking specific genetic changes to the evolution of eusociality.
机译：真人性在昆虫中至少独立出现了11次。尽管有这种融合，但从社会生活的角度来看，存在着惊人的差异，从生活在繁殖冲突明显的小殖民地的物种到殖民地包含由一个或几个女王生产的成千上万的高度专业的不育工人的物种。尽管对社会主义的演变进行了深入的研究，但是涉及社会主义演变的遗传变化却相对未知。我们通过对九种社会上不同的蜜蜂物种的转录组进行测序，并将这些数据与蜜蜂Apis mellifera的基因组序列相结合，以生成3,647个基因的直系同源序列比对，研究了跨越三个独立起源的社会关系的分子进化模式。我们发现共有212个基因组，在所有研究的社会社会世系中具有加速进化的分子特征，以及独特的173和218个基因组，分别对高度或原始的社会社会世系具有特异性的加速发展。这些结果表明，趋同进化可能涉及共享和谱系特异性基因组中分子变化的镶嵌模式。涉及信号转导，腺体发育和碳水化合物代谢的基因是在正常社会世系中最突出的快速进化基因之一。这些发现为将特定的遗传变化与善意进化联系在一起提供了一个起点。

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  • 作者

    S. Hollis Woodard; Brielle J. Fischman; Aarti Venkat; Matt E. Hudson; Kranthi Varala; Sydney A. Cameron; Andrew G. Clark; Gene E. Robinson;

  • 作者单位

    Prograhn in Ecology, Evolution, and Conservation Biology, Departments of, Cornell University, Ithaca, NY 14853;

    Prograhn in Ecology, Evolution, and Conservation Biology, Departments of, Cornell University, Ithaca, NY 14853;

    Crop Sciences, Cornell University, Ithaca, NY 14853;

    Crop Sciences, Cornell University, Ithaca, NY 14853;

    Crop Sciences, Cornell University, Ithaca, NY 14853;

    Entomology, Cornell University, Ithaca, NY 14853;

    Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853;

    Prograhn in Ecology, Evolution, and Conservation Biology, Departments of, Cornell University, Ithaca, NY 14853,Entomology, Cornell University, Ithaca, NY 14853,Institute for Genomic Biology, Cornell University, Ithaca, NY 14853,Neuroscience Program, University of Illinois, Urbana, IL 61801;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    social evolution; social insects; sociogenomics; molecular phylogenetics;

    机译：社会进化;社会昆虫;社会基因组学;分子系统发育学;

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