Intragenic CpG islands and their impact on gene regulation

JA Cain, B Montibus, RJ Oakey - Frontiers in Cell and Developmental …, 2022 - frontiersin.org
The mammalian genome is depleted in CG dinucleotides, except at protected regions where
they cluster as CpG islands (CGIs). CGIs are gene regulatory hubs and serve as …

CpG islands and the regulation of transcription

AM Deaton, A Bird - Genes & development, 2011 - genesdev.cshlp.org
Vertebrate CpG islands (CGIs) are short interspersed DNA sequences that deviate
significantly from the average genomic pattern by being GC-rich, CpG-rich, and …

CpG islands and GC content dictate nucleosome depletion in a transcription-independent manner at mammalian promoters

R Fenouil, P Cauchy, F Koch, N Descostes… - Genome …, 2012 - genome.cshlp.org
One clear hallmark of mammalian promoters is the presence of CpG islands (CGIs) at more
than two-thirds of genes, whereas TATA boxes are only present at a minority of promoters …

Features and trend of loss of promoter-associated CpG islands in the human and mouse genomes

C Jiang, L Han, B Su, WH Li… - Molecular biology and …, 2007 - academic.oup.com
CpG islands (CGIs) are often considered as gene markers, but the number of CGIs varies
among mammalian genomes that have similar numbers of genes. In this study, we …

Sequence determinants, function, and evolution of CpG islands

A Angeloni, O Bogdanovic - Biochemical Society Transactions, 2021 - portlandpress.com
In vertebrates, cytosine-guanine (CpG) dinucleotides are predominantly methylated, with∼
80% of all CpG sites containing 5-methylcytosine (5mC), a repressive mark associated with …

Divergence of CpG island promoters: a consequence or cause of evolution?

J Sharif, TA Endo, T Toyoda… - Development, growth & …, 2010 - Wiley Online Library
CpG islands (CGIs) are CG‐rich stretches in the genome that are concentrated near the
transcription start sites (TSS) of genes. Genes that possess CGIs, such as the housekeeping …

Orphan CpG islands identify numerous conserved promoters in the mammalian genome

RS Illingworth, U Gruenewald-Schneider, S Webb… - PLoS …, 2010 - journals.plos.org
CpG islands (CGIs) are vertebrate genomic landmarks that encompass the promoters of
most genes and often lack DNA methylation. Querying their apparent importance, the …

Orphan CpG islands amplify poised enhancer regulatory activity and determine target gene responsiveness

T Pachano, V Sánchez-Gaya, T Ealo, M Mariner-Faulí… - Nature …, 2021 - nature.com
CpG islands (CGIs) represent a widespread feature of vertebrate genomes, being
associated with~ 70% of all gene promoters. CGIs control transcription initiation by …

Intragenic CpG islands play important roles in bivalent chromatin assembly of developmental genes

SM Lee, J Lee, KM Noh, WY Choi… - Proceedings of the …, 2017 - National Acad Sciences
CpG, 5′-C-phosphate-G-3′, islands (CGIs) have long been known for their association
with enhancers, silencers, and promoters, and for their epigenetic signatures. They are …

Orphan CpG islands define a novel class of highly active enhancers

JSK Bell, PM Vertino - Epigenetics, 2017 - Taylor & Francis
CpG islands (CGI) are critical genomic regulatory elements that support transcriptional
initiation and are associated with the promoters of most human genes. CGI are distinguished …