Results 21 to 30 of about 2,331,002 (344)

Chromosome painting reveals asynaptic full alignment of homologs and HIM-8-dependent remodeling of X chromosome territories during Caenorhabditis elegans meiosis. [PDF]

open access: yesPLoS Genetics, 2011
During early meiotic prophase, a nucleus-wide reorganization leads to sorting of chromosomes into homologous pairs and to establishing associations between homologous chromosomes along their entire lengths.
Kentaro Nabeshima   +2 more
doaj   +1 more source

The courtship choreography of homologous chromosomes: timing and mechanisms of DSB-independent pairing

open access: yesFrontiers in Cell and Developmental Biology, 2023
Meiosis involves deep changes in the spatial organisation and interactions of chromosomes enabling the two primary functions of this process: increasing genetic diversity and reducing ploidy level.
Mireia Solé   +4 more
doaj   +1 more source

Somatic pairing of chromosome 19 in renal oncocytoma is associated with deregulated EGLN2-mediated [corrected] oxygen-sensing response. [PDF]

open access: yesPLoS Genetics, 2008
Chromosomal abnormalities, such as structural and numerical abnormalities, are a common occurrence in cancer. The close association of homologous chromosomes during interphase, a phenomenon termed somatic chromosome pairing, has been observed in ...
Julie M Koeman   +19 more
doaj   +1 more source

Multiple opposing constraints govern chromosome interactions during meiosis. [PDF]

open access: yesPLoS Genetics, 2013
Homolog pairing and crossing over during meiosis I prophase is required for accurate chromosome segregation to form euploid gametes. The repair of Spo11-induced double-strand breaks (DSB) using a homologous chromosome template is a major driver of ...
Doris Y Lui   +2 more
doaj   +1 more source

How to pre-pair chromosomes for meiosis [PDF]

open access: yesCell Cycle, 2016
Meiosis is a special type of cell division specific to germ cells, whereby diploid germ cells produce haploid gametes for sexual reproduction.
Nicolas Christophorou   +5 more
openaire   +3 more sources

Chromosome movements promoted by the mitochondrial protein SPD-3 are required for homology search during Caenorhabditis elegans meiosis.

open access: yesPLoS Genetics, 2013
Pairing of homologous chromosomes during early meiosis is essential to prevent the formation of aneuploid gametes. Chromosome pairing includes a step of homology search followed by the stabilization of homolog interactions by the synaptonemal complex (SC)
Leticia Labrador   +8 more
doaj   +1 more source

Competition of Parental Genomes in Plant Hybrids

open access: yesFrontiers in Plant Science, 2020
Interspecific hybridization represents one of the main mechanisms of plant speciation. Merging of two genomes from different subspecies, species, or even genera is frequently accompanied by whole-genome duplication (WGD).
Marek Glombik   +4 more
doaj   +1 more source

Mechanics and dynamics of X-chromosome pairing at X inactivation. [PDF]

open access: yesPLoS Computational Biology, 2008
At the onset of X-chromosome inactivation, the vital process whereby female mammalian cells equalize X products with respect to males, the X chromosomes are colocalized along their Xic (X-inactivation center) regions.
Antonio Scialdone, Mario Nicodemi
doaj   +1 more source

Chromosome-associated RNA–protein complexes promote pairing of homologous chromosomes during meiosis in Schizosaccharomyces pombe

open access: yesNature Communications, 2019
Pairing of homologous chromosomes in meiosis is essential for sexual reproduction. We have previously demonstrated that the fission yeast sme2 RNA, a meiosis-specific long noncoding RNA (lncRNA), accumulates at the sme2 chromosomal loci and mediates ...
Da‐Qiao Ding   +8 more
semanticscholar   +1 more source

The KL system in wheat permits homoeologous crossing over between closely related chromosomes

open access: yesCrop Journal, 2023
The Chinese wheat landrace Kaixianluohanmai (KL) expresses the ph-like phenotype. A major QTL, QPh.sicau-3A (syn. phKL), responsible for this effect has been mapped to chromosome arm 3AL.
Chaolan Fan   +15 more
doaj  

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