287 results found
    1. Genetics and Genomics
    2. Physics of Living Systems

    Coarsening dynamics can explain meiotic crossover patterning in both the presence and absence of the synaptonemal complex

    John A Fozard, Chris Morgan, Martin Howard
    Mathematical modelling, together with super-resolution imaging in Arabidopsis, demonstrates that a recently proposed coarsening model for meiotic crossover interference can explain the dynamic patterning of crossovers in many contexts, including in zyp1 and pch2 chromosome structure mutants.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    The MAP kinase pathway coordinates crossover designation with disassembly of synaptonemal complex proteins during meiosis

    Saravanapriah Nadarajan, Firaz Mohideen ... Monica P Colaiacovo
    Coordination between crossover designation and synaptonemal complex disassembly is executed via a conserved MAP kinase pathway and is critical for accurate chromosome segregation during meiosis.
    1. Chromosomes and Gene Expression

    The kinetochore prevents centromere-proximal crossover recombination during meiosis

    Nadine Vincenten, Lisa-Marie Kuhl ... Adèle L Marston
    The meiotic DNA recombination landscape is locally influenced by the kinetochore to minimize potentially deleterious pericentromeric crossover recombination.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    A compartmentalized signaling network mediates crossover control in meiosis

    Liangyu Zhang, Simone Köhler ... Abby F Dernburg
    A regulatory circuit that localizes to the synaptonemal complex, a liquid crystalline compartment between chromosomes, ensures crossing-over while limiting the number of crossovers between homologous chromosomes during meiosis.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Non-crossover gene conversions show strong GC bias and unexpected clustering in humans

    Amy L Williams, Giulio Genovese ... Molly Przeworski
    In humans, non-crossover gene conversion events transmit GC alleles in 68% of cases and exhibit a complex pattern of multiple disconnected tracts clustered within 20–30 kilobase intervals.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Polo-like kinase-dependent phosphorylation of the synaptonemal complex protein SYP-4 regulates double-strand break formation through a negative feedback loop.

    Saravanapriah Nadarajan, Talley J Lambert ... Monica P Colaiácovo
    PLK-1/2-mediated SYP-4 phosphorylation is dependent on crossover precursor formation, triggering a switch in the dynamic state of the synaptonemal complex that reduces the formation of further double-strand breaks at late meiotic prophase.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Vilya, a component of the recombination nodule, is required for meiotic double-strand break formation in Drosophila

    Cathleen M Lake, Rachel J Nielsen ... R Scott Hawley
    The Zip3-like protein Vilya links the initiation of meiotic recombination with crossover formation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A molecular model for the role of SYCP3 in meiotic chromosome organisation

    Johanna Liinamaria Syrjänen, Luca Pellegrini, Owen Richard Davies
    A structural and biochemical study of human SYCP3 provides the first molecular model for the three-dimensional organisation that is imposed upon chromosomal DNA during meiosis and is essential for genetic exchange and fertility.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Recruitment of Polo-like kinase couples synapsis to meiotic progression via inactivation of CHK-2

    Liangyu Zhang, Weston T Stauffer ... Abby F Dernburg
    Genetic and cytological analyses reveal a regulatory circuit that controls a key cell cycle transition during meiosis and mediates feedback regulation in response to meiotic defects.
    1. Chromosomes and Gene Expression
    2. Genetics and Genomics

    Sexual dimorphic regulation of recombination by the synaptonemal complex in C. elegans

    Cori K Cahoon, Colette M Richter ... Diana E Libuda
    Developing eggs and sperm differentially regulate specific steps of meiotic DNA repair by altering the composition and dynamics of proteins within synaptonemal complex.

Refine your results by:

Type
Research categories