[Microbial growth and cold. Study of the particular case of Listeria monocytogenes].

Some of micro-organisms are able to adapt themselves to hardest environmental conditions. So, about cold conditions, most of them can still grow at very low temperatures under 0 degree Celsius (nitrogen liquefied at -169 degrees C is the best way for preserving microbes). By another way some germs, qualified psychrotophic bacteria, grow quite easily between 0 degree C and +10 degrees C. Among these bacteria the author draw the attention to Listeria monocytogenes, a germ contaminating often foodstuffs and being responsible of deep diseases by eating food preserved in bad conditions (breaking off of refrigeration chain, bad use of domestic refrigerators). Recommendations are laid down to avoid these diseases, more particularly for frail consumers as immuno compromised adults.