The rcsA gene of Klebsiella pneumoniae O1:K20 is involved in expression of the serotype-specific K (capsular) antigen.

@article{McCallum1991TheRG,
  title={The rcsA gene of Klebsiella pneumoniae O1:K20 is involved in expression of the serotype-specific K (capsular) antigen.},
  author={Kirk L. McCallum and Chris Whitfield},
  journal={Infection and immunity},
  year={1991},
  volume={59 2},
  pages={494-502}
}
In Klebsiella pneumoniae, the ability to synthesize large amounts of capsular polysaccharide is an important correlate of virulence. We report the cloning of rcsA from K. pneumoniae serotype O1:K20 and demonstrate that rcsA is involved in the expression of the K antigen capsule. We have determined the nucleotide sequence for the rcsA gene from K. pneumoniae K20 and shown it to be identical to the sequence reported previously for rcsA from strain K21 (Allen et al., J. Gen. Microbiol. 133:331-340… CONTINUE READING
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Isolation and characterization of an rcsA-like gene of Erwinia amylovora that activates extracellular polysaccharide production in Erwinia species, Escherichia coli and Salmonella typhimurium

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