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Добірка наукової літератури з теми "Sister chromatids cohesion"

Автор: Grafiati

Опубліковано: 20 квітня 2024

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Статті в журналах з теми "Sister chromatids cohesion"

1

Sapkota, Hem, Emilia Wasiak, John R. Daum, and Gary J. Gorbsky. "Multiple determinants and consequences of cohesion fatigue in mammalian cells." Molecular Biology of the Cell 29, no. 15 (2018): 1811–24. http://dx.doi.org/10.1091/mbc.e18-05-0315.

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Анотація:

Cells delayed in metaphase with intact mitotic spindles undergo cohesion fatigue, where sister chromatids separate asynchronously, while cells remain in mitosis. Cohesion fatigue requires release of sister chromatid cohesion. However, the pathways that breach sister chromatid cohesion during cohesion fatigue remain unknown. Using moderate-salt buffers to remove loosely bound chromatin cohesin, we show that “cohesive” cohesin is not released during chromatid separation during cohesion fatigue. Using a regulated protein heterodimerization system to lock different cohesin ring interfaces at speci

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2

Mishra, Prashant K., Sultan Ciftci-Yilmaz, David Reynolds, et al. "Polo kinase Cdc5 associates with centromeres to facilitate the removal of centromeric cohesin during mitosis." Molecular Biology of the Cell 27, no. 14 (2016): 2286–300. http://dx.doi.org/10.1091/mbc.e16-01-0004.

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Анотація:

Sister chromatid cohesion is essential for tension-sensing mechanisms that monitor bipolar attachment of replicated chromatids in metaphase. Cohesion is mediated by the association of cohesins along the length of sister chromatid arms. In contrast, centromeric cohesin generates intrastrand cohesion and sister centromeres, while highly cohesin enriched, are separated by >800 nm at metaphase in yeast. Removal of cohesin is necessary for sister chromatid separation during anaphase, and this is regulated by evolutionarily conserved polo-like kinase (Cdc5 in yeast, Plk1 in humans). Here we addre

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3

Oliveira, Raquel A., and Kim Nasmyth. "Getting through anaphase: splitting the sisters and beyond." Biochemical Society Transactions 38, no. 6 (2010): 1639–44. http://dx.doi.org/10.1042/bst0381639.

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Анотація:

Sister-chromatid cohesion, thought to be primarily mediated by the cohesin complex, is essential for chromosome segregation. The forces holding the two sisters resist the tendency of microtubules to prematurely pull sister DNAs apart and thereby prevent random segregation of the genome during mitosis, and consequent aneuploidy. By counteracting the spindle pulling forces, cohesion between the two sisters generates the tension necessary to stabilize microtubule–kinetochore attachments. Upon entry into anaphase, however, the linkages that hold the two sister DNAs must be rapidly destroyed to all

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4

Stanyte, Rugile, Johannes Nuebler, Claudia Blaukopf, et al. "Dynamics of sister chromatid resolution during cell cycle progression." Journal of Cell Biology 217, no. 6 (2018): 1985–2004. http://dx.doi.org/10.1083/jcb.201801157.

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Анотація:

Faithful genome transmission in dividing cells requires that the two copies of each chromosome’s DNA package into separate but physically linked sister chromatids. The linkage between sister chromatids is mediated by cohesin, yet where sister chromatids are linked and how they resolve during cell cycle progression has remained unclear. In this study, we investigated sister chromatid organization in live human cells using dCas9-mEGFP labeling of endogenous genomic loci. We detected substantial sister locus separation during G2 phase irrespective of the proximity to cohesin enrichment sites. Alm

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5

Chen, Yu-Fan, Chia-Ching Chou, and Marc R. Gartenberg. "Determinants of Sir2-Mediated, Silent Chromatin Cohesion." Molecular and Cellular Biology 36, no. 15 (2016): 2039–50. http://dx.doi.org/10.1128/mcb.00057-16.

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Анотація:

Cohesin associates with distinct sites on chromosomes to mediate sister chromatid cohesion. Single cohesin complexes are thought to bind by encircling both sister chromatids in a topological embrace. Transcriptionally repressed chromosomal domains in the yeastSaccharomyces cerevisiaerepresent specialized sites of cohesion where cohesin binds silent chromatin in a Sir2-dependent fashion. In this study, we investigated the molecular basis for Sir2-mediated cohesion. We identified a cluster of charged surface residues of Sir2, collectively termed the EKDK motif, that are required for cohesin func

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6

van Schie, Janne J. M., and Job de Lange. "The Interplay of Cohesin and the Replisome at Processive and Stressed DNA Replication Forks." Cells 10, no. 12 (2021): 3455. http://dx.doi.org/10.3390/cells10123455.

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Анотація:

The cohesin complex facilitates faithful chromosome segregation by pairing the sister chromatids after DNA replication until mitosis. In addition, cohesin contributes to proficient and error-free DNA replication. Replisome progression and establishment of sister chromatid cohesion are intimately intertwined processes. Here, we review how the key factors in DNA replication and cohesion establishment cooperate in unperturbed conditions and during DNA replication stress. We discuss the detailed molecular mechanisms of cohesin recruitment and the entrapment of replicated sister chromatids at the r

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7

Yan, Rihui, Sharon E. Thomas, Jui-He Tsai, Yukihiro Yamada, and Bruce D. McKee. "SOLO: a meiotic protein required for centromere cohesion, coorientation, and SMC1 localization in Drosophila melanogaster." Journal of Cell Biology 188, no. 3 (2010): 335–49. http://dx.doi.org/10.1083/jcb.200904040.

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Анотація:

Sister chromatid cohesion is essential to maintain stable connections between homologues and sister chromatids during meiosis and to establish correct centromere orientation patterns on the meiosis I and II spindles. However, the meiotic cohesion apparatus in Drosophila melanogaster remains largely uncharacterized. We describe a novel protein, sisters on the loose (SOLO), which is essential for meiotic cohesion in Drosophila. In solo mutants, sister centromeres separate before prometaphase I, disrupting meiosis I centromere orientation and causing nondisjunction of both homologous and sister c

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8

Lee, Janice Y., Aki Hayashi-Hagihara, and Terry L. Orr-Weaver. "Roles and regulation of the Drosophila centromere cohesion protein MEI-S332 family." Philosophical Transactions of the Royal Society B: Biological Sciences 360, no. 1455 (2005): 543–52. http://dx.doi.org/10.1098/rstb.2005.1619.

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Анотація:

In meiosis, a physical attachment, or cohesion, between the centromeres of the sister chromatids is retained until their separation at anaphase II. This cohesion is essential for ensuring accurate segregation of the sister chromatids in meiosis II and avoiding aneuploidy, a condition that can lead to prenatal lethality or birth defects. The Drosophila MEI-S332 protein localizes to centromeres when sister chromatids are attached in mitosis and meiosis, and it is required to maintain cohesion at the centromeres after cohesion along the sister chromatid arms is lost at the metaphase I/anaphase I

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9

Jin, Hui, Vincent Guacci, and Hong-Guo Yu. "Pds5 is required for homologue pairing and inhibits synapsis of sister chromatids during yeast meiosis." Journal of Cell Biology 186, no. 5 (2009): 713–25. http://dx.doi.org/10.1083/jcb.200810107.

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Анотація:

During meiosis, homologues become juxtaposed and synapsed along their entire length. Mutations in the cohesin complex disrupt not only sister chromatid cohesion but also homologue pairing and synaptonemal complex formation. In this study, we report that Pds5, a cohesin-associated protein known to regulate sister chromatid cohesion, is required for homologue pairing and synapsis in budding yeast. Pds5 colocalizes with cohesin along the length of meiotic chromosomes. In the absence of Pds5, the meiotic cohesin subunit Rec8 remains bound to chromosomes with only minor defects in sister chromatid

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10

Boavida, Ana, Diana Santos, Mohammad Mahtab, and Francesca M. Pisani. "Functional Coupling between DNA Replication and Sister Chromatid Cohesion Establishment." International Journal of Molecular Sciences 22, no. 6 (2021): 2810. http://dx.doi.org/10.3390/ijms22062810.

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Анотація:

Several lines of evidence suggest the existence in the eukaryotic cells of a tight, yet largely unexplored, connection between DNA replication and sister chromatid cohesion. Tethering of newly duplicated chromatids is mediated by cohesin, an evolutionarily conserved hetero-tetrameric protein complex that has a ring-like structure and is believed to encircle DNA. Cohesin is loaded onto chromatin in telophase/G1 and converted into a cohesive state during the subsequent S phase, a process known as cohesion establishment. Many studies have revealed that down-regulation of a number of DNA replicati

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