The AprX protein of Pseudomonas aeruginosa: a new substrate for the Apr type I secretion system.

Abstract

Protein secretion in Pseudomonas aeruginosa involves different mechanisms. The type II and type III secretory pathways control the extracellular release of a wide range of substrates. The type I secretion process, or ABC transporter, was believed to be exclusively involved in alkaline protease secretion. Recently, it was discovered that a P. aeruginosa heme binding protein, HasAp, is also secreted by a type I process. We present here the identification of a third putative type I-dependent protein of P. aeruginosa, AprX. The function of this protein has not yet been elucidated but very interestingly it appears to be linked to the apr cluster, and organized in one single operon together with the aprD, -E and -F genes.

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@article{Duong2001TheAP, title={The AprX protein of Pseudomonas aeruginosa: a new substrate for the Apr type I secretion system.}, author={Franklin Duong and Emilie Bonnet and Vincent G{\'e}li and Andr{\'e}e M. Lazdunski and Maryse Murgier and Alain Filloux}, journal={Gene}, year={2001}, volume={262 1-2}, pages={147-53} }