Genome organization around nuclear speckles

Research output: Contribution to journalReview article

Abstract

Higher eukaryotic cell nuclei are highly compartmentalized into bodies and structural assemblies of specialized functions. Nuclear speckles/IGCs are one of the most prominent nuclear bodies, yet their functional significance remains largely unknown. Recent advances in sequence-based mapping of nuclear genome organization now provide genome-wide analysis of chromosome organization relative to nuclear speckles. Here we review older microscopy-based studies on a small number of genes with the new genomic mapping data suggesting a significant fraction of the genome is almost deterministically positioned near nuclear speckles. Both microscopy and genomic-based approaches support the concept of the nuclear speckle periphery as a major active chromosomal compartment which may play an important role in fine-tuning gene regulation.

Original languageEnglish (US)
Pages (from-to)91-99
Number of pages9
JournalCurrent Opinion in Genetics and Development
Volume55
DOIs
StatePublished - Apr 2019

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology

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