2.4 Growth characterization
For the growth tests of each bacterial isolate, a preculture was
prepared by growing an isolate in NYPSw medium described above at 25°C
for 30 days. Then, 0.1 ml of the preculture was used to inoculate in 10
ml of Sw medium supplemented with various organic acids at 10 mM. The
culture was then grown at 25°C for 30 days either aerobically or
anaerobically. The resulting growth was determined by measuring at an
optical density at 660 nm.