2.1. Bacterial strains and growth conditions
The fish pathogenic bacterial strain V. parahaemolyticus 1.2164,
purchased from the China General Microbiological Culture Collection
Center (CGMCC), and the human pathogenic strain
V. parahaemolyticus 17, kindly provided by Dr. Jian Wang, Shanghai
Animal Disease Prevention and Control Center, were routinely
grown overnight in thiosulfate citrate bile salts sucrose (TCBS) agar
culture medium at 28 C for V. parahaemolyticus 1.2164 and 37 C
for V. parahaemolyticus 17. Sucrose non-fermenting colonies were
selected by streak plating on TCBS agar and inoculated into sterile
nutrient broth supplemented with NaCl (3% w/v), then were grown
overnight at 28 C for V. parahaemolyticus 1.2164 and 37 C for
V. parahaemolyticus 17 with shaking at 150 rpm. Logarithmic phase
cultures were obtained by dilution of the overnight culture with
sterile nutrient broth supplemented with NaCl (3% w/v) at 1:10 and
allowed growth for another 3 h at the appropriate temperature,
with shaking. Cultures were harvested by centrifugation
(2000 rpm), washed twice and resuspended in saline solution
(0.85% NaCl). In t
2.1. Bacterial strains and growth conditionsThe fish pathogenic bacterial strain V. parahaemolyticus 1.2164,purchased from the China General Microbiological Culture CollectionCenter (CGMCC), and the human pathogenic strainV. parahaemolyticus 17, kindly provided by Dr. Jian Wang, ShanghaiAnimal Disease Prevention and Control Center, were routinelygrown overnight in thiosulfate citrate bile salts sucrose (TCBS) agarculture medium at 28 C for V. parahaemolyticus 1.2164 and 37 Cfor V. parahaemolyticus 17. Sucrose non-fermenting colonies wereselected by streak plating on TCBS agar and inoculated into sterilenutrient broth supplemented with NaCl (3% w/v), then were grownovernight at 28 C for V. parahaemolyticus 1.2164 and 37 C forV. parahaemolyticus 17 with shaking at 150 rpm. Logarithmic phasecultures were obtained by dilution of the overnight culture withsterile nutrient broth supplemented with NaCl (3% w/v) at 1:10 andallowed growth for another 3 h at the appropriate temperature,with shaking. Cultures were harvested by centrifugation(2000 rpm), washed twice and resuspended in saline solution(0.85% NaCl). In t
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