Transferring DNA from electrophoretically resolved nucleosomes to diazobenzyloxymethyl cellulose: Properties of nucleosomes along mouse satellite DNA

Tim L. Reudelhuber, Dorothy J. Ball, Alan H. Davis, William T. Garrard

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Electrophoresis fractionates nucleosomes which possess different protein compositions. We report here a procedure for transferring the DNA components of electrophoretically resolved nucleosomes to diazobenzyloxymethyl cellulose (DBM-paper). Histones are first removed from nucleosome components by electrophoresis in the presence of cetyltrimethylammonium bromide (CTAB), leaving DNA fragments fixed within the original gel as the CTAB salts. The DNA is then converted to the sodium salt, denatured, and electrophoretically transferred to DBN-paper. The overall pattern of DNA on the resulting blot is visualized either by fluorography or by immunoautoradiography. This DNA pattern is then compared with autoradiograms obtained after hybridizing the same blot with specific 32P-labeled probes. Using mouse satellite DNA as a hybridization probe, we illustrate the above techniques and demonstrate that nucleosomes carrying satellite sequences are compositionally heterogeneous. The procedures described here should also be useful in the analysis of the nucleic acid components associated with other nucleoprotein complexes.

Original languageEnglish (US)
Pages (from-to)1311-1325
Number of pages15
JournalNucleic Acids Research
Volume10
Issue number4
DOIs
StatePublished - Feb 25 1982

Fingerprint

Satellite DNA
Nucleosomes
Cellulose
Mouse
DNA
Satellites
Electrophoresis
Salt
Probe
Photofluorography
Sodium
Salts
Fragment
Nucleoproteins
Protein
Histones
Nucleic acids
Nucleic Acids
Demonstrate
Gels

ASJC Scopus subject areas

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Health, Toxicology and Mutagenesis
  • Toxicology
  • Genetics(clinical)
  • Genetics

Cite this

Transferring DNA from electrophoretically resolved nucleosomes to diazobenzyloxymethyl cellulose : Properties of nucleosomes along mouse satellite DNA. / Reudelhuber, Tim L.; Ball, Dorothy J.; Davis, Alan H.; Garrard, William T.

In: Nucleic Acids Research, Vol. 10, No. 4, 25.02.1982, p. 1311-1325.

Research output: Contribution to journalArticle

Reudelhuber, Tim L. ; Ball, Dorothy J. ; Davis, Alan H. ; Garrard, William T. / Transferring DNA from electrophoretically resolved nucleosomes to diazobenzyloxymethyl cellulose : Properties of nucleosomes along mouse satellite DNA. In: Nucleic Acids Research. 1982 ; Vol. 10, No. 4. pp. 1311-1325.
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