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Construction of three plasmids, each containing two or three different human globin gene fragments
1Department of Biochemistry and Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing.
Abstract:
Three plasmids (labeled pUC-2 gamma-beta, pUC-2 beta-delta, and pL-alpha-zeta), each containing two or three different human globin gene fragments (beta IVS-II, inter-gamma, and gamma IVS-II in pUC-2 gamma-beta; 5'-beta, 3'-beta, and delta IVS-II in pUC-2 beta-delta; alpha and zeta in pL-alpha-zeta) have been constructed. The gene fragments could be isolated simultaneously from Eco RI/Bam HI double digests of each of the first two plasmids or from a Pst I digest of the third, using electrophoresis in an 1.0% agarose gel. This facilitates the large-scale isolation of gene fragments for use as probes in studies such as the analysis of polymorphisms or the molecular basis of some hemoglobinopathies.