Protein tyrosine phosphatase PtpA is not required for Mycobacterium tuberculosis growth in mice.

@article{Grundner2008ProteinTP,
  title={Protein tyrosine phosphatase PtpA is not required for Mycobacterium tuberculosis growth in mice.},
  author={Christoph Grundner and J. Stan Cox and Tom Alber},
  journal={FEMS microbiology letters},
  year={2008},
  volume={287 2},
  pages={181-4}
}
Mycobacterium tuberculosis (Mtb) alters the host response to infection by secreting protein factors. Mtb produces two secreted protein tyrosine phosphatases, PtpA and PtpB, which are thought to interfere with host signaling. Deletion of ptpA or ptpB attenuates bacterial growth in activated macrophages. To address the in vivo function of PtpA, we generated a genetic deletion mutant, DeltaptpA. The mutant was not defective when grown in vitro, consistent with the presumed role of PtpA in the host… CONTINUE READING

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