Klebsiella pneumoniae is a Gram-negative, non-motile, encapsulated, lactose-fermenting, facultative anaerobic, rod-shaped bacterium. It appears as a mucoid ...KlebsiellapneumoniaeFromWikipedia,thefreeencyclopediaJumptonavigationJumptosearchSpeciesofbacteriumKlebsiellapneumoniaeK.pneumoniaeonaMacConkeyagarplateScientificclassificationDomain:BacteriaPhylum:ProteobacteriaClass:GammaproteobacteriaOrder:EnterobacteralesFamily:EnterobacteriaceaeGenus:KlebsiellaSpecies:K. pneumoniaeBinomialnameKlebsiellapneumoniae(Schroeter1886)Trevisan1887SubspeciesKlebsiellapneumoniaesubsp.ozaenaeKlebsiellapneumoniaesubsp.pneumoniaeKlebsiellapneumoniaesubsp.rhinoscleromatisKlebsiellapneumoniaeisaGram-negative,non-motile,encapsulated,lactose-fermenting,facultativeanaerobic,rod-shapedbacterium.ItappearsasamucoidlactosefermenteronMacConkeyagar.Althoughfoundinthenormalfloraofthemouth,skin,andintestines,[1]itcancausedestructivechangestohumanandanimallungsifaspirated,specificallytothealveoliresultinginbloody,brownishoryellowcoloredjellylikesputum.Intheclinicalsetting,itisthemostsignificantmemberofthegenusKlebsiellaoftheEnterobacteriaceae.K.oxytocaandK.rhinoscleromatishavealsobeendemonstratedinhumanclinicalspecimens.Inrecentyears,Klebsiellaspecieshavebecomeimportantpathogensinnosocomialinfections.Itnaturallyoccursinthesoil,andabout30%ofstrainscanfixnitrogeninanaerobicconditions.[2]Asafree-livingdiazotroph,itsnitrogen-fixationsystemhasbeenmuch-studied,andisofagriculturalinterest,asK.pneumoniaehasbeendemonstratedtoincreasecropyieldsinagriculturalconditions.[3]ItiscloselyrelatedtoK.oxytocafromwhichitisdistinguishedbybeingindole-negativeandbyitsabilitytogrowonmelezitosebutnot3-hydroxybutyrate.Contents1History2Epidemiology2.1Klebsiellapneumonia2.1.1Pathophysiology2.1.2Signsandsymptoms2.1.3Diagnosis2.1.4Treatment2.2HypervirulentKlebsiellapneumonia3Transmission4Resistantstrains5Preventfromspreading6Treatment7Research8References9ExternallinksHistory[edit]ThegenusKlebsiellawasnamedaftertheGermanmicrobio