Molecular typing of industrial strains of Pseudomonas spp. isolated from milk and genetical and biochemical characterization of an extracellular protease produced by one of them.

P. fluorescens is responsible for the highest depredation of milk because of its capacity to synthesize extracellular lipase and protease which hydrolyze milk fat and proteins. Several P.

Identification of an iron-binding protein of the Dps family expressed by Streptococcus thermophilus.

Streptococcus thermophilus PB18 can grow between 20 degrees and 52 degrees C and is resistant to various stresses such as heat, acidic or cold shock. During cold shock, a protein of 21.5 kDa was previously shown to be induced in S.