Meiosis: Disentangling polyploid chromosomes with supercharged crossover interference

Meiosis depends on the cell’s ability to match each chromosome to its homolog in a strictly pairwise fashion. A new study describes an elegant mechanism that tetraploid Arabidopsis arenosa plants evolved to faithfully connect and segregate pairs of homologous chromosomes. Meiosis depends on the cell...

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Bibliographic Details
Published in:Current biology 2021-11, Vol.31 (21), p.R1442-R1444
Main Authors: Arter, Meret, Keeney, Scott
Format: Article
Language:English
Subjects:
Arabidopsis - genetics
Chromosomes, Plant - genetics
Meiosis
Polyploidy
Tetraploidy
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Summary:Meiosis depends on the cell’s ability to match each chromosome to its homolog in a strictly pairwise fashion. A new study describes an elegant mechanism that tetraploid Arabidopsis arenosa plants evolved to faithfully connect and segregate pairs of homologous chromosomes. Meiosis depends on the cell’s ability to match each chromosome to its homolog in a strictly pairwise fashion. A new study describes an elegant mechanism that tetraploid Arabidopsis arenosa plants evolved to faithfully connect and segregate pairs of homologous chromosomes.
ISSN:0960-9822
1879-0445
DOI:10.1016/j.cub.2021.09.045