Exploring the differences between the three pyruvate kinase isozymes from Vibrio cholerae in a heterologous expression system
2018
Objective
The genome of Vibrio cholerae has three paralog genes encoding for distinct pyruvate kinases. We were interested in elucidating whether they were expressed, and contributed to the pyruvate kinase activity of V. cholerae. VcIPK and VcIIPK were transformed and expressed in BL21-CodonPlus(DE3)-RIL strain, whereas VcIIIPK could not be transformed. Those studied did contribute to the pyruvate kinase activity of the bacteria. Therefore, our aim was to find an efficient transformation and commonly used over-expression heterologous system for VcIIIPK and develop its purification protocol.
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