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Applied and Environmental Microbiology, November 1998, p. 4591-4595, Vol. 64, No. 11
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.

Genetic Characterization of pepP, Which Encodes an Aminopeptidase P Whose Deficiency Does Not Affect Lactococcus lactis Growth in Milk, Unlike Deficiency of the X-Prolyl Dipeptidyl Aminopeptidase

J. Matos, M. Nardi, H. Kumura,dagger and V. Monnet*

Unité de Recherches de Biochimie et Structure des Protéines, I.N.R.A., 78352 Jouy en Josas Cedex, France

Received 6 February 1998/Accepted 19 June 1998

We sequenced the pepP gene of Lactococcus lactis, which encodes an aminopeptidase P (PepP), and demonstrated that the X-prolyl dipeptidyl aminopeptidase PepX plays a more important role than PepP in nitrogen nutrition. PepP shares homology with methionine aminopeptidases and could play a role in the maturation of nascent proteins.

* Corresponding author. Mailing address: Unité de Recherches de Biochimie et Structure des Protéines, I.N.R.A., 78352 Jouy en Josas Cedex, France. Phone: 33.1.34.65.21.49. Fax: 33.1.34.65.21.63. E-mail: monnet{at}jouy.inra.fr.

dagger Present address: University of Hokkaido, Laboratory of Dairy Science, Kita-ku N9W9, 060 Sapporo, Japan.

Applied and Environmental Microbiology, November 1998, p. 4591-4595, Vol. 64, No. 11
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.


This article has been cited by other articles:

  • Harris, J. K., Kelley, S. T., Spiegelman, G. B., Pace, N. R. (2003). The Genetic Core of the Universal Ancestor. Genome Res 13: 407-412 [Abstract] [Full Text]  
  • Guédon, E., Renault, P., Ehrlich, S. D., Delorme, C. (2001). Transcriptional Pattern of Genes Coding for the Proteolytic System of Lactococcus lactis and Evidence for Coordinated Regulation of Key Enzymes by Peptide Supply. J. Bacteriol. 183: 3614-3622 [Abstract] [Full Text]  


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