133) Puas yog ib qho ntawm cov kab mob gram-negative bacilli ferments qabzib? d ( Alcaligenes, Pseudomonas thiab Acinetobacter yog tag nrho cov nonfermenters; Yersinia yog ib tug tswv cuab ntawm Enterobacteriaceae thiab, los ntawm txhais, ferments qabzib.)
Lactose fermenting gram-negative bacilli yog dab tsi?
E. coli yog facultative anaerobic, Gram-negative bacilli uas yuav ferment lactose los tsim hydrogen sulfide. Txog li 10% ntawm cov kev sib cais muaj keeb kwm tau tshaj tawm tias qeeb lossis tsis yog lactose fermenting, txawm tias qhov sib txawv ntawm qhov chaw kho mob tsis paub.
Puas yog Enterobacteriaceae ferment qabzib?
Txhua tus tswvcuab ntawm tsev neeg Enterobacteriaceae ferment qabzib nrog acid ntau lawmthiab txo nitrates.
Puas Klebsiella ferment lactose?
Lactose feem ntau yog fermented sai los ntawm Escherichia, Klebsiella thiab qee hom Enterobacter thiab qeeb qeeb los ntawm Citrobacter thiab qee hom Serratia. Proteus, tsis zoo li cov coliforms, deaminates phenylalanine rau phenylpyruvic acid, thiab nws tsis ferment lactose.
Cov gram-tsis zoo twg yog lactose fermenting thiab beta hemolytic?
E coli yog gram-negative bacillus uas loj hlob zoo ntawm kev siv xov xwm. Nws yog lactose-fermenting thiab beta-hemolytic ntawm cov ntshav agar.
