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Epigenomes, Volume 6, Issue 1

2022 March - 10 articles

Cover Story: Title story: Polycomb Repressive Complex 2 (PRC2) represents a group an evolutionarily conserved multi-subunit complexes that repress gene transcription by trimethylating lysine 27 on histone 3 (H3K27me3). In animals and plants, PRC2 activity is crucial for cell identity specification and developmental phase transitions. PRC2 complexes have recently been identified in a variety of eukaryotic supergroups, showing that the complex and its function are conserved. This review provides an overview of current knowledge about PRC2 core composition and PRC2-mediated repression across major eukaryotic supergroups, with a focus on the green lineage, as well as emerging questions and research directions for future Polycomb repression and evolution studies. View this paper
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Articles (10)

  • Feature Paper
  • Review
  • Open Access
12 Citations
9,483 Views
23 Pages

SWI/SNF Chromatin Remodeling Enzymes in Melanoma

  • Megan R. Dreier and
  • Ivana L. de la Serna

Melanoma is an aggressive malignancy that arises from the transformation of melanocytes on the skin, mucosal membranes, and uvea of the eye. SWI/SNF chromatin remodeling enzymes are multi-subunit complexes that play important roles in the development...

  • Review
  • Open Access
7 Citations
6,906 Views
19 Pages

Genetic and Epigenetic Inheritance at Telomeres

  • Evan H. Lister-Shimauchi,
  • Benjamin McCarthy,
  • Michael Lippincott and
  • Shawn Ahmed

Transgenerational inheritance can occur at telomeres in distinct contexts. Deficiency for telomerase or telomere-binding proteins in germ cells can result in shortened or lengthened chromosome termini that are transmitted to progeny. In human familie...

  • Review
  • Open Access
32 Citations
9,477 Views
21 Pages

Polycomb Repressive Complex 2 (PRC2) is arguably the best-known plant complex of the Polycomb Group (PcG) pathway, formed by a group of proteins that epigenetically represses gene expression. PRC2-mediated deposition of H3K27me3 has amply been studie...

  • Communication
  • Open Access
1 Citations
3,785 Views
8 Pages

Methylation Status of Exon IV of the Brain-Derived Neurotrophic Factor (BDNF)-Encoding Gene in Patients with Non-Diabetic Hyperglycaemia (NDH) before and after a Lifestyle Intervention

  • Helene A. Fachim,
  • Nagaraj Malipatil,
  • Kirk Siddals,
  • Rachelle Donn,
  • Gabriela Y. Cortés,
  • Caroline F. Dalton,
  • J. Martin Gibson and
  • Adrian H. Heald

BDNF signalling in hypothalamic neuronal circuits is thought to regulate mammalian food intake. In light of this, we investigated how a lifestyle intervention influenced serum levels and DNA methylation of BDNF gene in fat tissue and buffy coat of ND...

  • Review
  • Open Access
27 Citations
13,601 Views
27 Pages

The efficiency of conventional screening programs to identify early-stage malignancies can be limited by the low number of cancers recommended for screening as well as the high cumulative false-positive rate, and associated iatrogenic burden, resulti...

  • Review
  • Open Access
8 Citations
6,706 Views
11 Pages

Biochemical Principles in Prion-Based Inheritance

  • Emily M. Dennis and
  • David M. Garcia

Prions are proteins that can stably fold into alternative structures that frequently alter their activities. They can self-template their alternate structures and are inherited across cell divisions and generations. While they have been studied for m...

  • Review
  • Open Access
27 Citations
10,661 Views
29 Pages

Polycomb Repressive Complex 2 in Eukaryotes—An Evolutionary Perspective

  • Mallika Vijayanathan,
  • María Guadalupe Trejo-Arellano and
  • Iva Mozgová

Polycomb repressive complex 2 (PRC2) represents a group of evolutionarily conserved multi-subunit complexes that repress gene transcription by introducing trimethylation of lysine 27 on histone 3 (H3K27me3). PRC2 activity is of key importance for cel...

  • Article
  • Open Access
5 Citations
6,181 Views
23 Pages

Epigenetics of Mitochondria-Associated Genes in Striated Muscle

  • Kenneth C. Ehrlich,
  • Hong-Wen Deng and
  • Melanie Ehrlich

Striated muscle has especially large energy demands. We identified 97 genes preferentially expressed in skeletal muscle and heart, but not in aorta, and found significant enrichment for mitochondrial associations among them. We compared the epigenomi...

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Epigenomes - ISSN 2075-4655