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翼手目核型研究的进展

王宗仁   

  1. 中国科学院动物研究所
  • 出版日期:2011-11-22 发布日期:2011-11-22

PROGRESS IN STUDIES OF KARYOTYPES OF ORDER CHIROPTERA

WANG Zongren   

  1. Institute of Zoology, Academia Sinica
  • Online:2011-11-22 Published:2011-11-22

摘要: 当今,在地球上生活着大约5000种哺乳动物。这么多的哺乳动物是如何分类及分化的呢?以往的分类学、形态学、古生物学、生理生态学、发生学及生态地理学的研究已经对这个问题提供了大量的依据。最近开展起来的核型分析可以获得更为有力的证据。将其作为研究手段之一,具有重要的作用。日本科学家木原均博士曾说过:“地球的历史记在地层上,生物的历史记在染色体上”。最近的研究表明:染色体不仅作为遗传物质的载体而受到重视,而且它的形态与数目的变化可以隐藏着生物进化的历史。因此,从核型分析来看某些生物进化的过程,对于目前的形态分类学及系统进化研究有重要的意义。

Abstract: Based on the literatures published so far, karyotypes of 132 species of bats in the world havs been reported. Some types of variations of these karyotypes are reviewed and analysed initially as well as the distribution frequency of numbers of chromosomes is tabulated in this paper.The studies of karyotypes of bats show that in the process of evolution the X chromosome of bats are as conservative as those other mammals; and the Y chromosome of some species of bats are acrocentrics while those of others are submetacentrics or metacentrics. It seems t, be that, according to our preliminary view, interspecific changes of autosomes follow the non-Robertsonian fusion.