Poly (A+) mRNA was isolated from fetal calf ligamenturn nuchae and used for the construction of cDNA libraries. A fraction highly enriched in elastin mRNA was used to prepare the cDNA probes for screening the libraries. A 2 kb clone, pREl, gave the most positive signal in colony hybridization. It hybridized to a mRNA of the same size as reported for elastin mRNAs from chick and sheep. Hybrid-arrested translation showed that translation of mRNAs for proteins other than elastin doublet was not inhibited by pREI. Southern blot analysis showed that pREl has sequence homology with pVE6 and pVE10, which were tentatively identified as elastin-related cDNA clones representing two distinct mRNAs. DNA sequence data from the 5′ end of pREl show that the translated amino acid sequence is not typical of known elastin sequences but contains some elastin-like sequences. All of this evidence strongly suggests the occurrence in fetal calf nuchal ligament of a mRNA which codes for a previously unknown elastin-related protein.
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August 01 1985
Bovine elastin cDNA clones: Evidence for the occurrence of a new elastin-related protein in fetal calf ligamentum nuchae
K. Raju;
K. Raju
1Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada
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V. Rampersad;
V. Rampersad
1Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada
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D. E. Pulleyblank;
D. E. Pulleyblank
1Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada
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S. A. Krawetz;
S. A. Krawetz
1Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada
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R. A. Anwar
R. A. Anwar
1Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada
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Publisher: Portland Press Ltd
Received:
July 02 1985
Online ISSN: 1573-4935
Print ISSN: 0144-8463
© 1985 The Biochemical Society
1985
Biosci Rep (1985) 5 (8): 633–641.
Article history
Received:
July 02 1985
Citation
K. Raju, V. Rampersad, D. E. Pulleyblank, S. A. Krawetz, R. A. Anwar; Bovine elastin cDNA clones: Evidence for the occurrence of a new elastin-related protein in fetal calf ligamentum nuchae. Biosci Rep 1 August 1985; 5 (8): 633–641. doi: https://doi.org/10.1007/BF01116994
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