Sampling of Human Microbiota in Order to Test, on a Mouse Model, Individualized Intervention Strategies During Aging

"The volunteer will receive the stool collection kit as well as the procedure to follow for this collection.~Treatment of stool after collection:~The stool will be treated according to the following two procedures:~i) part of the stool will be sequenced and will be stored as quickly as possible (4 hours maximum) at -80 ° C, 3 separate aliquots of 1 g; ii) the other part will be intended for implantation in rats and must be homogenized in a final concentration of 20% glycerol (2 hours maximum) and then stored at -80 ° C, 3 aliquots of 1 g."