同源多倍体和异源多倍体拟南芥中的减数分裂。
Meiosis in autopolyploid and allopolyploid Arabidopsis.
机构信息
Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA; Institut Jean-Pierre Bourgin (IJPB), INRA, AgroParisTech, CNRS, Université Paris-Saclay, RD10, 78026 Versailles Cedex, France.
Department of Organismic and Evolutionary Biology, Harvard University, 16 Divinity Avenue, Cambridge, MA 02138, USA; John Innes Centre, Department of Cell & Developmental Biology, Norwich, UK.
出版信息
Curr Opin Plant Biol. 2016 Apr;30:116-22. doi: 10.1016/j.pbi.2016.02.004. Epub 2016 Mar 4.
All newly formed polyploids face a challenge in meiotic chromosome segregation due to the presence of an additional set of chromosomes. Nevertheless, naturally occurring auto and allopolyploids are common and generally show high fertility, showing that evolution can find solutions. Exactly how meiosis is adapted in these cases, however, remains a mystery. The rise of Arabidopsis as a model genus for polyploid and meiosis research has seen several new studies begin to shed light on this long standing question.
所有新形成的多倍体由于存在额外的一组染色体，在减数分裂染色体分离时都会面临挑战。尽管如此，自然发生的同源和异源多倍体很常见，且通常表现出高度的生育能力，这表明进化可以找到解决方案。然而，在这些情况下，减数分裂是如何适应的仍然是一个谜。拟南芥作为多倍体和减数分裂研究的模式属的出现，使得一些新的研究开始揭示这个长期存在的问题。
Zotero 插件