Chromoanagenesis in plants: triggers, mechanisms, and potential impact
Chromoanagenesis is a single catastrophic event that involves, in most cases, localized
chromosomal shattering and reorganization, resulting in a dramatically restructured …
chromosomal shattering and reorganization, resulting in a dramatically restructured …
Crossover interference mechanism: New lessons from plants
N Rafiei, A Ronceret - Frontiers in Cell and Developmental Biology, 2023 - frontiersin.org
Plants are the source of our understanding of several fundamental biological principles. It is
well known that Gregor Mendel discovered the laws of Genetics in peas and that maize was …
well known that Gregor Mendel discovered the laws of Genetics in peas and that maize was …
Coarsening dynamics can explain meiotic crossover patterning in both the presence and absence of the synaptonemal complex
The shuffling of genetic material facilitated by meiotic crossovers is a critical driver of genetic
variation. Therefore, the number and positions of crossover events must be carefully …
variation. Therefore, the number and positions of crossover events must be carefully …
ZYP1-mediated recruitment of PCH2 to the synaptonemal complex remodels the chromosome axis leading to crossover restriction
C Yang, K Sofroni, Y Hamamura, B Hu… - Nucleic acids …, 2022 - academic.oup.com
Chromosome axis-associated HORMA domain proteins (HORMADs), eg ASY1 in
Arabidopsis, are crucial for meiotic recombination. ASY1, as other HORMADs, is assembled …
Arabidopsis, are crucial for meiotic recombination. ASY1, as other HORMADs, is assembled …
Enhanced recombination empowers the detection and mapping of Quantitative Trait Loci
L Capilla-Pérez, V Solier, E Gilbault, Q Lian… - Communications …, 2024 - nature.com
Modern plant breeding, such as genomic selection and gene editing, is based on the
knowledge of the genetic architecture of desired traits. Quantitative trait loci (QTL) analysis …
knowledge of the genetic architecture of desired traits. Quantitative trait loci (QTL) analysis …
MutL homolog 1 participates in interference-sensitive meiotic crossover formation in soybean
T Wu, S Yang, J Fang, Y Ye, Y Zhang, J Gao… - Plant …, 2024 - academic.oup.com
Abstract MutL homolog 1 (MLH1), a member of the MutL homolog family, is required for
normal recombination in most organisms. However, its role in soybean (Glycine max) …
normal recombination in most organisms. However, its role in soybean (Glycine max) …
ASYNAPSIS3 has diverse dosage-dependent effects on meiotic crossover formation in Brassica napus
L Chu, J Zhuang, M Geng, Y Zhang, J Zhu… - The Plant …, 2024 - academic.oup.com
Crossovers create genetic diversity and are required for equal chromosome segregation
during meiosis. Crossover number and distribution are highly regulated by different …
during meiosis. Crossover number and distribution are highly regulated by different …
Synthetically induced Arabidopsis thaliana autotetraploids provide insights into the analysis of meiotic mutants with altered crossover frequency
P Parra‐Nunez, N Fernández‐Jiménez… - New …, 2024 - Wiley Online Library
Mutations affecting crossover (CO) frequency and distribution lead to the presence of
univalents during meiosis, giving rise to aneuploid gametes and sterility. These mutations …
univalents during meiosis, giving rise to aneuploid gametes and sterility. These mutations …
Canonical and noncanonical roles of Hop1 are crucial for meiotic prophase in the fungus Sordaria macrospora
E Dubois, S Boisnard, HM Bourbon, K Yefsah… - PLoS …, 2024 - journals.plos.org
We show here that in the fungus Sordaria macrospora, the meiosis-specific HORMA-domain
protein Hop1 is not essential for the basic early events of chromosome axis development …
protein Hop1 is not essential for the basic early events of chromosome axis development …
ASYNAPSIS 1 ensures crossover fidelity in polyploid wheat by promoting homologous recombination and suppressing non-homologous recombination
During meiosis, the chromosome axes and synaptonemal complex mediate chromosome
pairing and homologous recombination to maintain genomic stability and accurate …
pairing and homologous recombination to maintain genomic stability and accurate …