Purification and characterization of Escherichia coli guanine-xanthine phosphoribosyltransferase produced by a high efficiency expression plasmid utilizing a lambda PL promoter and CI857 temperature-sensitive repressor.
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منابع مشابه
Purification and Characterization of Herpes Simplex Virus ( Type 1 ) Thymidine Kinase Produced in Escherichia coli by a High Efficiency Expression Plasmid Utilizing a X PL Promoter and a cI 857 Temperature - sensitive Repressor
The structural gene for herpes simplex virus (type 1) thymidine kinase was cloned downstream from the X phage high efficiency leftward promotor in a plasmid (pHETK2) also containing the gene for the X cI857 temperature-sensitive repressor. Thymidine kinase is synthesized as a run-on product containing the NH2 terminus of the X N protein. Heat inactivation of the X repressor by growth at 42 O C ...
متن کاملConstruction of the Recombinant Plasmid Expressing AID under the Control of Temperature-sensitive Promoter of Bacteriophage Lambda
Background and purpose: Activation-induced cytidine deaminase (AID) is a B-cell specific enzyme responsible for somatic hypermutation (SHM) and class switch recombination (CSR) of antibody genes within the B-cell follicle of peripheral lymphoid organs. Ectopic overexpression of the enzyme leads to mutations in non-B cells and Escherichia coli (E.coli) genes. However, induction of mutations in E...
متن کاملThe Expression of Human Granulocyte Macrophage Colony Stimulating Factor by Heat-Induction in Escherichia coli
A self-regulated high-copy number plasmid containing chloramphenicol resistant gene, for the production of recombinant proteins under the regulation of bacteriophage ?pL promoter, was constructed. The designed 5024 base pair expression plasmid contained a heat sensitive repressor cI857 coding gene to regulate the function of ?pL promoter under heat shock induction. Using the constructed vector,...
متن کاملthe expression of human granulocyte macrophage colony stimulating factor by heat-induction in escherichia coli
a self-regulated high-copy number plasmid containing chloramphenicol resistant gene, for the production of recombinant proteins under the regulation of bacteriophage ?pl promoter, was constructed. the designed 5024 base pair expression plasmid contained a heat sensitive repressor ci857 coding gene to regulate the function of ?pl promoter under heat shock induction. using the constructed vector,...
متن کاملconstruction of an escherichia coli-specific heat-inducible expression plasmid
purpose: in order to express human granulocyte-macrophage colony stimulating factor (hgm-csf) under heat shock. materials and methods: two expression plasmids were constructed based on pbc(sk) plasmid. the expression cassettes in the two plasmids are equipped with a 75 base pair fragment, derived from the pl promoter of the bacteriophage lambda (λ). the plasmids also contain a temperature muta...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1983
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)32201-4