HMG-proteins 1 and 2 are required for transcription of chromatin by endogenous RNA polymerase

Jose Stoute, William F. Marzluff

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Chromatin prepared from isolated mouse myeloma cell nuclei faithfully transcribes RNA using endogenous RNA polymerase. Extraction of the chromatin with 0.35M KC1 greatly reduces the ability of the chromatin to transcribe RNA, but RNA synthesis is restored by adding back the extracted material. The major proteins extracted under these conditions are the high mobility group proteins - HMG 1 and 2. When purified HMG proteins 1 and 2 were added back to the extracted chromatin preparations total RNA synthesis was stimulated 3 to 5 fold. The synthesis of the RNA polymerase III products, 5S rRNA and tRNA precursors, was also stimulated the same amount.

Original languageEnglish (US)
Pages (from-to)1279-1284
Number of pages6
JournalBiochemical and Biophysical Research Communications
Volume107
Issue number4
DOIs
StatePublished - Aug 31 1982

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HMGB2 Protein
HMGB1 Protein
DNA-Directed RNA Polymerases
Transcription
Chromatin
RNA
RNA Precursors
High Mobility Group Proteins
RNA Polymerase III
Cell Nucleus
Cells
Proteins

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

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abstract = "Chromatin prepared from isolated mouse myeloma cell nuclei faithfully transcribes RNA using endogenous RNA polymerase. Extraction of the chromatin with 0.35M KC1 greatly reduces the ability of the chromatin to transcribe RNA, but RNA synthesis is restored by adding back the extracted material. The major proteins extracted under these conditions are the high mobility group proteins - HMG 1 and 2. When purified HMG proteins 1 and 2 were added back to the extracted chromatin preparations total RNA synthesis was stimulated 3 to 5 fold. The synthesis of the RNA polymerase III products, 5S rRNA and tRNA precursors, was also stimulated the same amount.",
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HMG-proteins 1 and 2 are required for transcription of chromatin by endogenous RNA polymerase. / Stoute, Jose; Marzluff, William F.

In: Biochemical and Biophysical Research Communications, Vol. 107, No. 4, 31.08.1982, p. 1279-1284.

Research output: Contribution to journalArticle

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AB - Chromatin prepared from isolated mouse myeloma cell nuclei faithfully transcribes RNA using endogenous RNA polymerase. Extraction of the chromatin with 0.35M KC1 greatly reduces the ability of the chromatin to transcribe RNA, but RNA synthesis is restored by adding back the extracted material. The major proteins extracted under these conditions are the high mobility group proteins - HMG 1 and 2. When purified HMG proteins 1 and 2 were added back to the extracted chromatin preparations total RNA synthesis was stimulated 3 to 5 fold. The synthesis of the RNA polymerase III products, 5S rRNA and tRNA precursors, was also stimulated the same amount.

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