Meiosis: dances between homologs

D Zickler, N Kleckner - Annual review of genetics, 2023 - annualreviews.org
The raison d'être of meiosis is shuffling of genetic information via Mendelian segregation
and, within individual chromosomes, by DNA crossing-over. These outcomes are enabled …

Crossover recombination between homologous chromosomes in meiosis: recent progress and remaining mysteries

L Payero, E Alani - Trends in Genetics, 2024 - cell.com
Crossing over between homologous chromosomes in meiosis is essential in most
eukaryotes to produce gametes with the correct ploidy. Meiotic crossovers are typically …

Therapeutic validation of MMR-associated genetic modifiers in a human ex vivo model of Huntington disease

R Ferguson, R Goold, L Coupland, M Flower… - The American Journal of …, 2024 - cell.com
The pathological huntingtin (HTT) trinucleotide repeat underlying Huntington disease (HD)
continues to expand throughout life. Repeat length correlates both with earlier age at onset …

Meiotic recombination dynamics in plants with repeat-based holocentromeres shed light on the primary drivers of crossover patterning

M Castellani, M Zhang, G Thangavel, Y Mata-Sucre… - Nature Plants, 2024 - nature.com
Centromeres strongly affect (epi) genomic architecture and meiotic recombination dynamics,
influencing the overall distribution and frequency of crossovers. Here we show how …

Cilia regulate meiotic recombination in zebrafish

H **e, X Wang, M **, L Li, J Zhu, Y Kang… - Journal of Molecular …, 2022 - academic.oup.com
Meiosis is essential for evolution and genetic diversity in almost all sexual eukaryotic
organisms. The mechanisms of meiotic recombination, such as synapsis, have been …

[HTML][HTML] ATF7IP2, a meiosis-specific partner of SETDB1, is required for proper chromosome remodeling and crossover formation during spermatogenesis

Q Shao, Y Zhang, Y Liu, Y Shang, S Li, L Liu, G Wang… - Cell Reports, 2023 - cell.com
Meiotic crossovers are required for the faithful segregation of homologous chromosomes
and to promote genetic diversity. However, it is unclear how crossover formation is …

[HTML][HTML] Integration of deep learning with Ramachandran plot molecular dynamics simulation for genetic variant classification

B Tam, Z Qin, B Zhao, SM Wang, CL Lei - Iscience, 2023 - cell.com
Functional classification of genetic variants is a key for their clinical applications in patient
care. However, abundant variant data generated by the next-generation DNA sequencing …

Exo1 protects DNA nicks from ligation to promote crossover formation during meiosis

M Gioia, L Payero, S Salim, G Fajish V, AF Farnaz… - PLoS …, 2023 - journals.plos.org
In most sexually reproducing organisms crossing over between chromosome homologs
during meiosis is essential to produce haploid gametes. Most crossovers that form in …

Resolution of sequence divergence for repeat-mediated deletions shows a polarity that is mediated by MLH1

H Trost, A Merkell, FW Lopezcolorado… - Nucleic acids …, 2023 - academic.oup.com
Repeat-mediated deletions (RMDs) are a type of chromosomal rearrangement between two
homologous sequences that causes loss of the sequence between the repeats, along with …