Agrobio Industry
Topic 1
Food quality monitoring: selection, and traceability
Topic 2
The biology and physiology of molluscs and algae
Topic 3
Bacteria adaptation to the environment
Topic 4
Microorganism characterisation and selection for cheese-making
Topic 5
Mammal hormones and reproduction
Topic 6
Nitrogen transfer to natural and soilless crops
Topic 7
The microbiological quality of food
Topic 8
The sensory qualities and flavours of food
Topic 9
Technological innovation (products / process)
Topic 10
International documentary watch
     
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TOPIC 3

BACTERIA ADAPTATION TO THE ENVIRONMENT

Key words :
bacteria, adaptation, environment, Enterococcus, Lactococcus, Lactobacillus.

Bacteria adaptation is an ongoing phenomenon in the healthcare, environmental and agro-industries. The Laboratory of Environmental Microbiology (Unit under contract with INRA) conducts research to gain a firmer grasp of the cell and molecular behaviour of bacteria in a given environment. The scientists are striving to understand how genes contribute to microorganism adaptation from the data supplied by the genomes (transcriptoms and proteoms) placed in a physiological context.

   
The Teams
Laboratory of Environmental Microbiology, USC INRA EA 956, with 7 research teachers (2 Professors, 5 Senior Lecturers), 5 technical and administrative personnel, and 7 postgraduates and PhD candidates.
   
Equipments
Various equipment for bacterial cultures, fermenter, freeze-dryer, microscopy, centrifuges, cell crushers; chromatography, DNA and protein electrophoresis, spectrophotometers; DNA amplifiers; analysis and image processing computer systems
   
Methods
Isolation and characterisation of the proteins involved in bacteria response to environmental stimuli
Identification of the matching genes and study of their expression in a given situation
Analysis of the diversity of bacterial genomes (Enterococcus faecalis, Lactococcus lactis, and Lactobacillus casei) in the environment
Control of bacteria survival and resistance in the environment (water-food)
Microbial ecology and alterations in non pasteurised cider
Identification of the genes contributing to the probiotic characteristics of Lactobacillus casei
   
Contacts
For general technological or scientific information

M. Yannick AUFFRAY (Professeur)
Laboratoire de Microbiologie de l'Environnement
Esplanade de la Paix
14032 Caen Cedex
Tél : 33 (0)2 31 56 59 98
auffray@ibba.unicaen.fr

   
For economic or industrial information
Normandie Développement
57 avenue de Bretagne - BP 1083
76173 Rouen Cedex 1 - France
Tel : 33 (0)2 35 03 06 04 - Fax : 33 (0)2 35 03 07 86
ndrouen@normandydev.com