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Báo cáo khoa học: Expression of the pyrG gene determines the pool sizes of CTP and dCTP in Lactococcus lactis

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:8

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ThepyrGgene fromLactococcus lactisencodes CTP syn-thase (EC 6.4.3.2), an enzyme converting UTP to CTP. A series of strains were constructed with different levels of pyrGexpression by insertion of synthetic constitutive pro-moters with different strengths in front ofpyrG.These strains expressed pyrGlevels in a range from 3 to 665% relative to thewild-type expression level.Decreasing the level of CTP synthase to 43% had no effect on the growth rate, showing that the capacity of CTP synthase in the cell is in excess in a wild-type strain. ...

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Nội dung Text: Báo cáo khoa học: Expression of the pyrG gene determines the pool sizes of CTP and dCTP in Lactococcus lactis

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