Crossover shortage in potato is caused by StMSH4 mutant alleles and leads to either highly uniform unreduced pollen or sterility.

doi:10.1093/genetics/iyad194

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Article

Crossover shortage in potato is caused by StMSH4 mutant alleles and leads to either highly uniform unreduced pollen or sterility.

Genetics - 3 Jan 2024

Clot Corentin R, Klein Dennis, Koopman Joey, Schuit Cees, Engelen Christel J M, Hutten Ronald C B, Brouwer Matthijs, Visser Richard G F, Jurani Martina, van Eck Herman J

Abstract excerpt

The balanced segregation of homologous chromosomes during meiosis is essential for fertility and is mediated by crossovers (COs). A strong reduction of CO number leads to the unpairing of homologous chromosomes after the withdrawal of the synaptonemal complex. This results in the random segregation of univalents during meiosis I and ultimately to the production of unbalanced and sterile gametes. However, if CO...

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PMID: 37943687
DOI: 10.1093/genetics/iyad194
PMCID: PMC10763545

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