ArticleChromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology2017
Proliferating cell nuclear antigen (PCNA) contributes to the high-order structure and stability of heterochromatin in Saccharomyces cerevisiae.
Article in Chromosome research : an international journal on the molecular, supramolecular and evolutionary aspects of chromosome biology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- Effects of microbubble-enhanced ultrasound combined with prothrombin on microwave ablation in rabbit VX2 liver tumor.American journal of translational research · 2019Article
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3 authors at 1 institution in 1 country.
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Abstract
Heterochromatin plays important roles in the structure, maintenance, and function of the eukaryotic genome. It is associated with special histone modifications and specialized non-histone proteins and assumes a more compact structure than euchromatin. Genes embedded in heterochromatin are generally transcriptionally silent. It was found previously that several mutations of proliferating cell nuclear antigen (PCNA), a DNA replication processivity factor, reduce transcriptional silencing at heterochromatin loci in Saccharomyces cerevisiae. However, the notion that PCNA plays a role in transcriptional silencing was recently questioned because of a potential problem concerning the silencing assays used in prior studies. To determine if PCNA is a bona fide contributor to heterochromatin-mediated transcriptional silencing, we examined the effects of PCNA mutations on heterochromatin structure. We found evidence implicating PCNA in the maintenance of the high-order structure and stability of heterochromatin, which indicates a role of DNA replication in heterochromatin maintenance.
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