Generation of Active Bovine Terminal Deoxynucleotidyl Transferase (TdT) in E.coli
Author(s) -
Wee Liang Kuan,
Joma Joy,
Ng Fui Mee,
Kwek Zekui Perlyn,
Then Siew Wen,
Thuy Nguen,
Joanne James,
Elaine Chai,
Horst Flotow,
Sharon Crasta,
Kian Ngiap Chua,
Ng Sok Peng,
Jeffrey Hill
Publication year - 2010
Publication title -
biochemistry insights
Language(s) - English
Resource type - Journals
ISSN - 1178-6264
DOI - 10.4137/bci.s5123
Subject(s) - terminal deoxynucleotidyl transferase , recombinant dna , microbiology and biotechnology , tunel assay , escherichia coli , biology , transferase , expression vector , apoptosis , chemistry , enzyme , gene , biochemistry
A synthetic gene encoding bovine terminal deoxynucleotidyl transferase (TdT) was generated, cloned into an expression vector and expressed in E.coli. The effects of altering culture and induction conditions on the nature of recombinant protein production were investigated. This led to the expression of active recombinant bovine TdT in E.coli. After purification and characterisation, the activity of the enzyme was assessed in a biological assay for apoptosis. The process described in this report enables the economical production of TdT for high throughput applications
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