Role of the Escherichia coli nitrate transport protein, NarU, in survival during severe nutrient starvation and slow growth.

@article{Clegg2006RoleOT,
  title={Role of the Escherichia coli nitrate transport protein, NarU, in survival during severe nutrient starvation and slow growth.},
  author={Stephanie J Clegg and Wenjing Jia and J A Cole},
  journal={Microbiology},
  year={2006},
  volume={152 Pt 7},
  pages={2091-100}
}
Escherichia coli K-12 strains expressing either NarU or NarK as the only nitrate transport protein are both able to support nitrate-dependent anaerobic growth. The narK gene is highly expressed during anaerobic growth in the presence of nitrate, consistent with a role for NarK in nitrate transport coupled to nitrate reduction by the most active nitrate reductase encoded by the adjacent narGHJI operon. The physiological role of NarU is unknown. Reverse transcriptase PCR experiments established… CONTINUE READING

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