A unique gene for 5-aminolevulinate synthase in chickens. Evidence for expression of an identical messenger RNA in hepatic and erythroid tissues.

Cornelis Elferink, G. Srivastava, D. J. Maguire, I. A. Borthwick, B. K. May, W. H. Elliott

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Reports to date have led to the conclusion that there are isozymes for 5-aminolevulinate synthase in the liver and erythroid tissue of chicken. Indeed, the existence of a multigene family for chicken 5-aminolevulinate synthase has been proposed. We find no evidence to support these proposals. In this work we show that 5-aminolevulinate synthase mRNA from chicken liver and reticulocytes is identical as determined by RNase mapping and primer extension studies and that the 5-aminolevulinate synthase protein from these tissues is the same size as judged by immunoblot analysis. We also show that a single mRNA species for 5-aminolevulinate synthase is present in chicken liver, reticulocytes, brain, and heart and an avian erythroblastosis virus-transformed chicken erythroblast cell line. Southern analysis shows the presence of only one gene copy for 5-aminolevulinate synthase in the chicken haploid genome. Overall, these results lead to the conclusion that in chickens 5-aminolevulinate synthase is encoded by a unique gene and is expressed as a single mRNA species in all tissues.

Original languageEnglish (US)
Pages (from-to)3988-3992
Number of pages5
JournalJournal of Biological Chemistry
Volume262
Issue number9
StatePublished - Mar 25 1987
Externally publishedYes

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5-Aminolevulinate Synthetase
Chickens
Genes
Tissue
Messenger RNA
Liver
Reticulocytes
Alpharetrovirus
Erythroblasts
Haploidy
Ribonucleases
Multigene Family
Viruses
Isoenzymes
Brain
Cells
Genome
Cell Line

ASJC Scopus subject areas

  • Biochemistry

Cite this

A unique gene for 5-aminolevulinate synthase in chickens. Evidence for expression of an identical messenger RNA in hepatic and erythroid tissues. / Elferink, Cornelis; Srivastava, G.; Maguire, D. J.; Borthwick, I. A.; May, B. K.; Elliott, W. H.

In: Journal of Biological Chemistry, Vol. 262, No. 9, 25.03.1987, p. 3988-3992.

Research output: Contribution to journalArticle

Elferink, Cornelis ; Srivastava, G. ; Maguire, D. J. ; Borthwick, I. A. ; May, B. K. ; Elliott, W. H. / A unique gene for 5-aminolevulinate synthase in chickens. Evidence for expression of an identical messenger RNA in hepatic and erythroid tissues. In: Journal of Biological Chemistry. 1987 ; Vol. 262, No. 9. pp. 3988-3992.
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