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The Haloprotease CPI Produced by the Moderately Halophilic Bacterium Pseudoalteromonas ruthenica Is Secreted by the Type II Secretion Pathway▿ †

By Cristina Sánchez-Porro, Encarnación Mellado, Anthony P. Pugsley, Olivera Francetic and Antonio Ventosa


The gene (cpo) encoding the extracellular protease CPI produced by the moderately halophilic bacterium Pseudoalteromonas ruthenica CP76 was cloned, and its nucleotide sequence was analyzed. The cpo gene encodes a 733-residue protein showing sequence similarity to metalloproteases of the M4 family. The type II secretion apparatus was shown to be responsible for secretion of the haloprotease CPI

Topics: Physiology
Publisher: American Society for Microbiology (ASM)
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Provided by: PubMed Central
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