prtH2 not prtH is the ubiquitous cell wall proteinase gene in [i]Lactobacillus helveticus[/i]

Leïla Mekmene (1) , Magali Genay (2) , Daniel Mollé (1) , Julien Jardin (1) , Christian Corre (1) , Valérie Gagnaire (1) , Sylvie Lortal (1)

1 STLO - Science et Technologie du Lait et de l'Oeuf
2 URAFPA - Unité de Recherches Animal et Fonctionnalités des Produits Animaux

The objective of this study was to exploit the biodiversity of strains of L. helveticus, isolated from various biotopes, both in terms of presence or absence of these genes and in terms of nucleotide sequence, and studied their transcription in dairy matrices and the proteolytic activity of these enzymes.

Mots clés: lactobacillus helveticus; protéinase; gène; bactérie lactique; caséine; activité enzymatique; peptide; lait

Domaines: Sciences du Vivant [q-bio]

Leïla Mekmene, Magali Genay, Daniel Mollé, Julien Jardin, Christian Corre, et al.. prtH2 not prtH is the ubiquitous cell wall proteinase gene in [i]Lactobacillus helveticus[/i]. 16 ème Colloque du Club Des Bacteries Lactiques, May 2009, Toulouse, France. 2009. ⟨hal-01190820⟩