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  • Title: Nuclear precursor molecules of the two beta-globin mRNAs in Friend erythroleukemia cells.
    Author: Donaldson DS, McNab AR, Rovera G, Curtis PJ.
    Journal: J Biol Chem; 1982 Aug 10; 257(15):8655-60. PubMed ID: 6284740.
    Abstract:
    Processing of the beta major and beta minor globin pre-mRNAs has been compared in murine erythroleukemia cells induced to synthesize hemoglobin by dimethyl sulfoxide or hemin treatment, using both the Northern blot technique and S1 nuclease mapping with 3' and 5' end-labeled probes. The small intervening sequence of both beta-globin pre-mRNAs was removed in one step, although minor amounts of incompletely spliced RNA were detected. During the processing of the large intervening sequence of beta major globin pre-mRNA two internal splice sites were clearly detected. On the contrary, the beta minor globin pre-mRNA did not show any internal splice sites. A model of processing of the mouse adult beta major globin pre-mRNA is proposed.
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