How to halve ploidy : lessons from budding yeast meiosis [PDF]
Maintenance of ploidy in sexually reproducing organisms requires a specialized form of cell division called meiosis that generates genetically diverse haploid gametes from diploid germ cells.
Arumugam, Prakash +2 more
core +1 more source
Chiasmata promote monopolar attachment of sister chromatids and their co-segregation toward the proper pole during meiosis I. [PDF]
The chiasma is a structure that forms between a pair of homologous chromosomes by crossover recombination and physically links the homologous chromosomes during meiosis. Chiasmata are essential for the attachment of the homologous chromosomes to opposite
Yukinobu Hirose +8 more
doaj +1 more source
DNA methyltransferase-3-dependent nonrandom template segregation in differentiating embryonic stem cells. [PDF]
Asymmetry of cell fate is one fundamental property of stem cells, in which one daughter cell self-renews, whereas the other differentiates. Evidence of nonrandom template segregation (NRTS) of chromosomes during asymmetric cell divisions in ...
Chen, Robert +6 more
core +2 more sources
Pch2 prevents Mec1/Tel1-mediated Hop1 phosphorylation occurring independently of Red1 in budding yeast meiosis. [PDF]
A prominent feature of meiosis in most sexually reproducing organisms is interhomolog recombination whereby a significant fraction of the programmed meiotic double-strand breaks are repaired using intact homologous non-sister chromatids rather than ...
Yu-Hui Lo +2 more
doaj +1 more source
Meiotic sex chromosome cohesion and autosomal synapsis are supported by Esco2.
In mitotic cells, establishment of sister chromatid cohesion requires acetylation of the cohesin subunit SMC3 (acSMC3) by ESCO1 and/or ESCO2. Meiotic cohesin plays additional but poorly understood roles in the formation of chromosome axial elements (AEs)
Biswas, U. +6 more
core +1 more source
Dysfunctional telomeres in primary cells from Fanconi anemia FANCD2 patients [PDF]
© 2012 Joksic et al. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium ...
Guc-Scekic, M +11 more
core +3 more sources
Recent advances in cohesin biology [version 1; referees: 4 approved]
Sister chromatids are tethered together from the time they are formed in S-phase until they separate at anaphase. A protein complex called cohesin is responsible for holding the sister chromatids together and serves important roles in chromosome ...
Susannah Rankin, Dean S. Dawson
doaj +1 more source
A Computational Approach to Estimating Nondisjunction Frequency in Saccharomyces cerevisiae. [PDF]
Errors segregating homologous chromosomes during meiosis result in aneuploid gametes and are the largest contributing factor to birth defects and spontaneous abortions in humans.
Burgess, Sean M, Chu, Daniel B
core +3 more sources
The goal of mitosis is to form two daughter cells each containing one copy of each mother cell chromosome, replicated in the previous S phase. To achieve this, sister chromatids held together back-to-back at their primary constriction, the centromere ...
Angela Flavia Serpico, Domenico Grieco
doaj +1 more source
HIM-10 is required for kinetochore structure and function on Caenorhabditis elegans holocentric chromosomes. [PDF]
Macromolecular structures called kinetochores attach and move chromosomes within the spindle during chromosome segregation. Using electron microscopy, we identified a structure on the holocentric mitotic and meiotic chromosomes of Caenorhabditis elegans ...
Albertson +33 more
core +2 more sources

