Nucleic Acids Research, 1977, Vol. 4, No. 11 3701-3714
© 1977
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The presence of ovalbumin mRNA coding sequences in multiple restriction fragments of chicken DNA
G.D.Searle Research Laboratories P.O.Box 53, Lane End Road, High Wycombe, Bucks HP12 4HL, UK
Received October 7, 1977. Chicken DNA has been digested with restriction enzymes and the size distribution of the DNA fragments containing ovalbumin specific sequences has been examined after separation of the fragments on agarose gels and transfer to nitrocellulose sheets. Hybridisation with terminally 32p-labelled ovalbumin mRNA fragments or with RNA populations transcribed from the DNA of a hybrid plasmid containing ovalbumin sequences was used to locate the DNA fragments coding for ovalbumin. Digestion with enzymes which do not cut within the portion of the ovalbumin gene synthesised from ovalbumin messenger RNA in vitro has shown the presence of several defined fragments carrying ovalbumin specific sequences. Possible explanations of these observations are discussed.
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M. Tsai, S. Tsai, and B. O'Malley Distribution of RNA transcripts from structural and intervening sequences of the ovalbumin gene Science, April 20, 1979; 204(4390): 314 - 316. [Abstract] [PDF] |
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