Expression in Escherichia coli of a Chemically Synthesized Gene for Biologically Active Bovine Acidic Fibroblast Growth Factor

作者: David L. Linemeyer , Linda J. Kelly , John G. Menke , Guillermo Gimenez-Gallego , Jerry DiSalvo

DOI: 10.1038/NBT0987-960

关键词: FGF10Escherichia coliGene expressionFibroblast growth factorBiologyMolecular biologyFibroblast growth factor receptor 4Expression vectorFibroblast growth factor receptor 33T3 cellsBiochemistryBiotechnologyMolecular medicineApplied Microbiology and BiotechnologyBioengineeringBiomedical engineering

摘要: A gene encoding bovine acidic fibroblast growth factor has been chemically synthesized, cloned and expressed as a biologically active protein in Escherichia coli. The 440 base pair was assembled by enzymatic ligation of 16 oligonucleotides into pBR322–derived expression plasmid downstream the hybrid tac promoter. Expressed recombinant mitogen comigrated with native brain–derived detected Western blot immunological analysis. product synthetic purified to apparent homogeneity demonstrates mitogenic activity for Balb/c 3T3 cells presence heparin equivalent mitogen. These results demonstrate feasibility expressing large amounts functional bacteria provide system site–specific mutagenesis protein.

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