Strains and culture conditions
Strain Y24T was isolated from a cold spring water (E
85°22′ 35″, N 43°50′ 30″) sample by dilution plating on
TYEG agar (10 g tryptone, 5 g yeast extract, 5 g glucose,
3 g K2HPO4 and 20 g agar in 1,000 ml distilled water, pH
7.0), and incubated at 10 °C for 3 days. Strain H9T was
originally isolated from carrot (Daucus carota) on a TYEG
agar plate. The carrot was prepared according to the following
procedure, as described by Li et al. (2007)