Medical Microbiology

294 4 BacteriaasHumanPathogens &EnterohemorrhagicE.coli(EHEC).Thesebacteriaarethecausative pathogensinthehemorrhagiccolitis ...

OpportunisticEnterobacteriaceae 295 OpportunisticEnterobacteriaceae.................................. ManyEnterobacteriaceaewith ...

296 4 BacteriaasHumanPathogens dermalandsubcutaneousinfections,andsepsis.Suchinfectionsonlyoccur inpredisposedhosts,theyarefrequ ...

Vibrio,Aeromonas,andPlesiomonas 297 Vibriocholerae(Cholera).............................. Morphologyandculture.Choleravibriosare ...

298 4 BacteriaasHumanPathogens tionofthetoxinandformationoftheso-calledtoxin-coregulatedpili(TCP) onthesurfaceoftheVibriocells. ...

OpportunisticEnterobacteriaceae 299 oftheproximalsmallintestinewiththehelpofTCP(seeabove)andsecrete choleratoxin(seeFig.4. 20 ). ...

300 4 BacteriaasHumanPathogens OtherVibrioBacteria.................................. Vibrioparahemolyticusisahalophilic(salt-fri ...

HaemophilusandPasteurella 301 Haemophilusinfluenzae.............................. Hemophilicbacteriaaresodesignatedbecausetheyre ...

302 4 BacteriaasHumanPathogens H.influenzaeisafacultativeanaeroberequiringgrowthfactorsXandVin itsculturemedium.TheXfactorishemi ...

HaemophilusandPasteurella 303 Epidemiologyandprevention.H.influenzaeisfoundonlyinhumans.The incidenceofsevereinvasiveinfections( ...

304 4 BacteriaasHumanPathogens Apenicillinorcephalosporinisrecommendedfortherapy.Sourcesofinfec- tionincludedomesticanimals(dogs ...

HaemophilusandPasteurella 305 Table4. 10 Continued:OverviewofOtherGram-NegativeRodBacteria Bacterialspecies Mostimportantcharact ...

306 4 BacteriaasHumanPathogens Campylobacter,Helicobacter,Spirillum............................ &Campylobacter,Helicobacter, ...

Campylobacter,Helicobacter,Spirillum 307 Diagnosis.ToisolateC.jejuniinstoolcultures,mediumsareusedcontaining selectivesupplement ...

308 4 BacteriaasHumanPathogens Diagnosis.Histopathological,culturaland,molecularidentificationofthe bacteriainstomachliningbiops ...

Pseudomonas,Stenotrophomonas,Burkholderia 309 notablypneumoniasincysticfibrosis,colonizationofburnwounds,endocar- ditisindrugadd ...

310 4 BacteriaasHumanPathogens arerareinimmunocompetentindividuals.Defectivenonspecificandspecific immunedefensesareprecondition ...

Legionella(Legionnaire’sDisease) 311 eitherlymphogenouslyorhematogenously,andcausesecondaryabscesses there.Malleusnolongeroccurs ...

312 4 BacteriaasHumanPathogens Legionellagrowonlyonspecialmediumsinanatmospherecontaining 5 %CO 2. Pathogenesisandclinicalpictur ...

Brucella,Bordetella,Francisella 313 Brucella,Bordetella,Francisella &ThegeneraBrucella,Bordetella,andFrancisellaaresmall,coc ...