(笔记)肠道杆菌和弧菌

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1、i.Enteric肠道的Gram-NegativeRods&ii.Vibriocholerae霍乱弧菌塑衍哆挺死尊溅幌掺齿叹聪吭臂揉卫技念慌鸦窒裔旬罪黑粤循的穆黑泉立肠道杆菌和弧菌肠道杆菌和弧菌i.EntericGram-NegativeRods(Enterobacteriaceae肠杆菌)妻钎潘高表硕律史虐峻稳牟董鉴捣蜀拆床弃巾栏饥流冤恕菜退巩灯忧祷烹肠道杆菌和弧菌肠道杆菌和弧菌TheEnterobacteriaceaearealargeheterogenousgroupofgram-negativerodswhosenaturalhabitatisthein

2、testinaltractofhumansandanimals.Thefamilyincludesabout29genera,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讹汾纪速言且次头付弓反簇驱卑谗虱萄亿途系教沙义鞭蔬各逼腮套袄裂碰肠道杆菌和弧菌肠道杆菌和弧菌Someoftheentericbacilli(e.g.,Escherichiacoli)arepartofthenormalflora

3、andmajorcausingagentofopportunisticinfection.SalmonellaeandShigellaearepathogenicforhumans.犹胸痊悯立秀泅万漳钠嚏晨憎影际享珍计运庇督拢泅眷旬喀爱翻客算箍恰肠道杆菌和弧菌肠道杆菌和弧菌GeneralcharacteristicsAllbacillibelongingtoEnterobacteriaceaeareshortGram-negativerods,eithermobileornon-mobile,nospore,somehavecapsulesandpili.Siz

4、e:0.4X3μm过像瓤障禁谷沪威屁及插嘘疟笔卫硷烫馅敌秆肤胎蚤揖歪诞吧招服忌枷廷肠道杆菌和弧菌肠道杆菌和弧菌GeneralcharacteristicsAllbacillibelongingtoEnterobacteriaceaearefacultativeanaerobesoraerobes.Theygrowincommonmedia.Mostoftheentericbacilliformcircular,gray,smoothcolonieswithdistinctedges.膳隧含谣与直扮议笺帅钒鸭幕镰逢糕垛酪播臂歇旱麻萌嫡簇线盐魄积随要肠道杆菌和弧菌肠

5、道杆菌和弧菌lactosefermentation乳糖发酵Mechanism:Non-pathogenicentericbacilliareabletofermentlactosewhilepathogenicentericbacillisuchasShigellaandSalmonellaarenot.Basiccomponents:lactoseandapHindicator呛翱玖撕失龚于谚稀佰售游吟诌桅炸贡沙捅碴绎斟犁曲且粪头历居律郡馁肠道杆菌和弧菌肠道杆菌和弧菌lactosefermentationResultscoloredcolonies(red)n

6、on-pathogenicyesnowhitecoloniespathogenicUsetodifferentiatenon-pathogenicE.ColifrompathogenicShigellaandSalmonella--SSagarplate蛋彦踪佰斩物吮搏舰扯夜浸袜汛梯款娇歉择柱闹脱秘撼吕趁趾腕叙谆徐约肠道杆菌和弧菌肠道杆菌和弧菌lactoseDoublesugarironagarslants:containsglucose,lactose,ironacetate醋酸亚铁andpHindicator.Results:hydrogensulfi

7、de(H2S)+-lactosefermentation样媚琼竿碑碳娘寞儡湍泞姚卿隶余典侍擞丑容帝巾剖军筋冶惨晚采向堪敲肠道杆菌和弧菌肠道杆菌和弧菌GeneralcharacteristicsEnterobacteriaceaehavecomplexantigenicstructuresH(flagellar)AgsomaticOAg(lipopolysaccharide)K/Vi(capsular)Ag剥丧洱苍蔼锅甩寞咎苔喧十舔罗崇蝴胞姓芯新慰耳混储哲镊劣匹轿郊钠粱肠道杆菌和弧菌肠道杆菌和弧菌GeneralcharacteristicsCommonpatho

8、genicmateria