The identification of collagen messenger RNA

H. Boedtker, R. B. Crkvenjakov, Jerold A Last, P. Doty

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


RNA isolated from calvaria of 16 to 18 day old chick embryos, assayed in rabbit reticulocyte lysates, programs the synthesis of a collagenase sensitive protein with the mol wt of collagen pro α chains. When RNA labeled with [3H]uridine for 2 hr and chased for 1 or 2 hr was electrophoresed on aqueous polyacrylamide gels, most of the radioactivity not in 28S or 18S rRNA migrated with an apparent mol wt of about 1,800,000. After oligo(dT) cellulose chromatography and analysis in 99% formamide gels, this nonribosomal, rapidly labeled calvaria RNA species migrates at 28S-30S and thus has a mol wt of at least 1,600,000. Both the ability to program the synthesis of collagenase sensitive protein in reticulocyte lysates and the presence of a single prominent rapidly labeled 30S peak in acrylamide gels strongly support the deduction that there is only one major mRNA species in calvaria and that this species is collagen messenger RNA.

Original languageEnglish (US)
Pages (from-to)4208-4212
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Issue number10
StatePublished - 1974
Externally publishedYes

ASJC Scopus subject areas

  • General
  • Genetics


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