Nuclear localization of ISWI ATPase Smarca5 (Sni2h) in mouse

Jarmila Vargova, Karina Vargova, Arthur I. Skoultchi, Tomas Stopka

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Nucleosome movement is, at least in part, facilitated by ISWI ATPase Smarca5 (Snf2h). Smarca5 gene inactivation in mouse demonstrated its requirement at blastocyst stage; however its role at later stages is not completely understood. We herein determined nuclear distribution of Smarca5 and histone marks associated with actively transcribed and repressed chromatin structure in embryonic and adult murine tissues and in tumor cells. Confocal microscopy images demonstrate that Smarca5 is localized mainly in euchromatin and to lesser extent also in heterochromatin and nucleoli. Smarca5 heterozygous mice for a null allele display decreased levels of histone H3 modifications and defects in heterochromatin foci supporting role of Smarca5 as a key regulator of global chromatin structure.

Original languageEnglish (US)
Pages (from-to)553-559
Number of pages7
JournalFrontiers in Bioscience - Elite
Volume1 E
Issue number2
StatePublished - Jun 1 2009


  • Brgl
  • Chromatin
  • Histone
  • ISWI
  • Smarca5
  • Snf2h

ASJC Scopus subject areas

  • General Biochemistry, Genetics and Molecular Biology
  • General Immunology and Microbiology


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