肠道杆菌和弧菌精品.pptx

文档介绍：-NegativeRods(Enterobacteriaceae肠杆菌)TheEnterobacteriaceaearealargeheterogenousgroupofgram-,over100species:EscherichiaShigellaSalmonellaCitrobacterKlebsiellaEnterobacter肠杆菌属Yersinia克雷伯氏菌属柠檬酸细菌属耶尔森氏菌属Someoftheentericbacilli(.,Escherichiacoli)-negativerods,eithermobileornon-mobile,nospore,:,gray,:Non-:lactoseandapHindicatorlactosefermentationResultscoloredcolonies(red)non-pathogenicyesnowhitecoloniespathogenicUsetodifferentiatenon---SSagarplatelactoseDoublesugarironagarslants:containsglucose,lactose,:hydrogensulfide(H2S)+-plexantigenicstructuresH(flagellar)AgsomaticOAg(haride)K/Vi(capsular)monpathogenicmaterialsforEnterobacteriaceaeinclude: bacterialstructures(flagella,capsules)toxins(enterotoxin,endotoxin)