Article
Natural variation identifies SNI1, the SMC5/6 component, as a modifier of meiotic crossover in Arabidopsis.
Proceedings of the National Academy of Sciences of the United States of America - 17 Aug 2021
Zhu Longfei, Fernández-Jiménez Nadia, Szymanska-Lejman Maja, Pelé Alexandre, Underwood Charles J, Serra Heïdi, Lambing Christophe, Dluzewska Julia, Bieluszewski Tomasz, Pradillo Mónica, Henderson Ian R, Ziolkowski Piotr A
Abstract excerpt
The frequency and distribution of meiotic crossovers are tightly controlled; however, variation in this process can be observed both within and between species. Using crosses of two natural Arabidopsis thaliana accessions, Col and Ler, we mapped a crossover modifier locus to semidominant polymorphisms in SUPPRESSOR OF NPR1-1 INDUCIBLE 1 (SNI1), which encodes a component of the SMC5/6 complex. The sni1 mutant...
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