Activation by Gene Amplification of pitB, Encoding a Third Phosphate Transporter of Escherichia coli K-12
收藏PubMed Central2026-05-16 收录
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Two systems for the uptake of inorganic phosphate (P(i)) in Escherichia coli, PitA and Pst, have been described. A revertant of a pitA pstS double mutant that could grow on P(i) was isolated. We demonstrate that the expression of a new P(i) transporter, PitB, is activated in this strain by a gene amplification event.
