II. Characteristics

  1. Facultative Anaerobic Gram Negative Rods

III. Types: EKP Gram Negative Bacteria

  1. Escherichia coli
  2. Klebsiella
  3. Proteus

IV. Types: ESP Gram Negative Bacteria

  1. Enterobacter (Aerobacter)
  2. Serratia
  3. Providencia (often grouped with Proteus)

V. Types: SS Gram Negative Bacteria

VI. Types: Other Enterobacteriaceae

  1. Citrobacter (Escherichia freundii)
  2. Morganella
  3. Yersinia
  4. Erwinia

Images: Related links to external sites (from Google)

Ontology: Citrobacter (C0008862)

Definition (NCI) A genus of gram-negative coliform bacteria in the Proteobacteria phylum.
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Citrobacter genus level.
Definition (MSH) A genus of gram-negative, rod-shaped enterobacteria that can use citrate as the sole source of carbon.
Concepts Bacterium (T007)
MSH D002954
SnomedCT 75972000
English CITROBACTER, Citrobacter, NOS, Genus Citrobacter (organism), Citrobacter (organism), Genus Citrobacter, 153 CITROBACTER, Citrobacter, citrobacter, Citrobacter Werkman and Gillen 1932
Swedish Citrobacter
Spanish género Citrobacter (organismo), Citrobacter (organismo), género Citrobacter, Citrobacter
Czech Citrobacter
Finnish Citrobacter
Russian TSITROBAKTER, CITROBACTER, ЦИТРОБАКТЕР
Polish Citrobacter
French Citrobacter
German Citrobacter
Italian Citrobacter
Dutch Citrobacter
Portuguese Citrobacter

Ontology: Enterobacter (C0014344)

Definition (NCI) A genus of Gram-negative, motile, facultative anaerobic, rod-shaped bacteria with peritrichous flagella in the phylum Proteobacteria.
Definition (MSH) Gram-negative gas-producing rods found in feces of humans and other animals, sewage, soil, water, and dairy products.
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Enterobacter genus level.
Concepts Bacterium (T007)
MSH D004754
SnomedCT 58683007
English Cloaca, Enterobacter, Aerobacter, NOS, ENTEROBACTER, Enterobacter, NOS, Enterobacter species, Enterobacter (organism), Genus Enterobacter (organism), Genus Enterobacter, 158 ENTEROBACTER, aerobacter, cloaca, enterobacter, Enterobacter Hormaeche and Edwards 1960, Aerobacter
French Aerobacter, Enterobacter
Swedish Enterobacter
Spanish género Enterobacter (organismo), género Enterobacter, Enterobacter (organismo), Enterobacter
Czech Enterobacter
Finnish Enterobakteeri
Italian Aerobacter, Enterobacter
Russian ENTEROBAKTER, AEROBACTER, ENTEROBACTER, ЭНТЕРОБАКТЕР
Croatian ENTEROBAKTER
Polish Enterobacter
German Aerobacter, Enterobacter
Dutch Enterobacter, Aërobacter
Portuguese Enterobacter

Ontology: Enterobacteriaceae (C0014346)

Definition (NCI) A taxonomic family of Gram negative bacterium, which are found in water, soil or the gut, in the phylum Proteobacteria that includes the genera Aranicola, Buttiauxella, Cedecea, Cronobacter, Enterobacter and Citrobacter, among others.
Definition (CSP) see RTs for specific organisms.
Definition (MSH) A family of gram-negative, facultatively anaerobic, rod-shaped bacteria that do not form endospores. Its organisms are distributed worldwide with some being saprophytes and others being plant and animal parasites. Many species are of considerable economic importance due to their pathogenic effects on agriculture and livestock.
Definition (CSP) family of gram negative, facultatively anaerobic, rod shaped bacteria that do not form endospores; organisms are distributed worldwide with some being saprophytes and others being plant and animal parasites; many species are of considerable economic importance due to their pathogenic effects on agriculture and livestock.
Concepts Bacterium (T007)
MSH D004755
SnomedCT 106544002, 418381002
English Coliform Bacilli, Enterobacteriaceae, ENTEROBACTERIACEAE, Enteric Bacteria, Enterobacteria, enteric bacteria, 150-1E5 ENTEROBACTERIACEAE, FAMILY ENTEROBACTERIACEAE, enterobacteriaceae, enterobacteria, Enterobacteraceae, Enterobacteraceae (ex Lapage 1979) Lapage 1982, fam. nov., nom. rev., Enterobacteriaceae (ex Rahn 1937) Ewing et al. 1980, fam. nov., nom. rev., Enterobacteriaceae Rahn 1937, coliform bacilli, Enterobacteriaceae (organism), Enteric bacteria, Enteric bacterium (organism), Enteric bacterium, Family Enterobacteriaceae (organism), Family Enterobacteriaceae
Spanish bacteria entérica (organismo), bacteria entérica, familia Enterobacteriaceae (organismo), familia Enterobacteriaceae, Enterobacteriaceae (organismo), Enterobacteriaceae, Bacilos Coliformes, Bacterias Entericas, Enterobacterias, Bacterias Entéricas
Swedish Enterobacteriaceae
Czech Enterobacteriaceae
Finnish Enterobakteerit
Italian Enterobatteri, Batteri enterici, Bacilli coliformi, Enterobacteriaceae
Russian KOLIFORMNYE BATSILLY, PARAKOLOBAKTERII, ENTEROBAKTERIEVYE, ENTEROBAKTERII, ENTEROBACTERIACEAE, КОЛИФОРМНЫЕ БАЦИЛЛЫ, ПАРАКОЛОБАКТЕРИИ, ЭНТЕРОБАКТЕРИЕВЫЕ, ЭНТЕРОБАКТЕРИИ
Japanese エンテロバクテリアセエ, エンテロバクテリア, 腸内細菌科, エンテロバクテリア科
Croatian ENTEROBACTERIACEAE
Polish Enterobacteriaceae, Pałeczki jelitowe
French Enterobacteriaceae, Bacilles coliformes, Entérobactéries
German Coliforme Bazillen, Enterale Bakterien, Enterobacteriaceae, Enterobacteria
Dutch Enterobacteria, Enterobacteriaceae, Coliforme bacteriën, Darmbacteriën, Enterobacteriaceeën, Enterobacteriën
Portuguese Bacilos Coliformes, Bactérias Entéricas, Enterobacteriaceae, Enterobactérias

Ontology: Erwinia (C0014727)

Definition (MSH) A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria whose organisms are associated with plants as pathogens, saprophytes, or as constituents of the epiphytic flora.
Concepts Bacterium (T007)
MSH D004885
SnomedCT 38865008
English Erwinia, ERWINIA, Erwinia, NOS, Genus Erwinia, Erwinia (organism), Genus Erwinia (organism), 155 ERWINIA, erwinia, Erwinia Winslow et al. 1920 (Approved Lists 1980) emend. Hauben et al. 1999
Swedish Erwinia
Czech Erwinia
Spanish género Erwinia (organismo), Erwinia (organismo), género Erwinia, Erwinia
Finnish Erwinia
Russian ERVINII, ERWINIA, ЭРВИНИИ
Polish Erwinia
French Erwinia
German Erwinia
Italian Erwinia
Dutch Erwinia
Portuguese Erwinia

Ontology: Escherichia (C0014833)

Definition (NCI) A genus of Gram-negative, non-spore forming, facultatively anaerobic, rod-shaped bacteria in the phylum Proteobacteria.
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Escherichia genus level.
Definition (MSH) A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria whose organisms occur in the lower part of the intestine of warm-blooded animals. The species are either nonpathogenic or opportunistic pathogens.
Definition (CSP) genus of gram negative, facultatively anaerobic, rod shaped bacteria found in the large intestine of warm blooded animals; nonpathogenic or opportunistic.
Concepts Bacterium (T007)
MSH D004925
SnomedCT 64735005
English ESCHERICHIA, Escherichia, NOS, Escherichia (organism), Genus Escherichia, Genus Escherichia (organism), 156 ESCHERICHIA, Escherichia Castellani and Chalmers 1919, Escherichia sp, escherichia, Escherichia
Swedish Escherichia
Czech Escherichia
Spanish Escherichia (organismo), género Escherichia (organismo), género Escherichia, Escherichia
Finnish Escherichia
Russian ESHERIKHII, ESCHERICHIA, ЭШЕРИХИИ
Croatian Not Translated[Escherichia]
Polish Escherichia
French Escherichia
German Escherichia
Italian Escherichia
Dutch Escherichia
Portuguese Escherichia

Ontology: Klebsiella (C0022727)

Definition (NCI) A genus of Gram-negative, non-motile, rod-shaped bacteria that have a polysaccharide-based capsule and are oxidase negative. Klebsiella spp. are frequent human pathogens.
Definition (CHV) a kind of bacteria that frequently causes lung, urinary tract, intestinal, and wound infections
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Klebsiella genus level.
Definition (MSH) A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria whose organisms arrange singly, in pairs, or short chains. This genus is commonly found in the intestinal tract and is an opportunistic pathogen that can give rise to bacteremia, pneumonia, urinary tract and several other types of human infection.
Definition (CSP) genus of gram negative, facultatively anaerobic, rod shaped bacteria whose organisms arrange singly, in pairs, or short chains; this genus is commonly found in the intestinal tract and is an opportunistic pathogen that can give rise to bacteremia, pneumonia, urinary tract and several other types of human infection.
Definition (NCI) A bacteria that frequently causes lung, urinary tract, intestinal, and wound infections.
Concepts Bacterium (T007)
MSH D007709
SnomedCT 75032006
English KLEBSIELLA, Klebsiella, NOS, Klebsiella (organism), Genus Klebsiella, Genus Klebsiella (organism), 160 KLEBSIELLA, klebsiella, Hyalococcus, Klebsiella Trevisan 1885 (Approved Lists 1980) emend. Carter et al. 1999, Klebsiella Trevisan 1885 (Approved Lists 1980) emend. Drancourt et al. 2001, Klebsiella
French Klebsielles, Klebsiella
Swedish Klebsiella
Czech Klebsiella
Spanish Klebsiella (organismo), género Klebsiella (organismo), género Klebsiella, Klebsiella
Finnish Klebsiella
Russian KLEBSIELLY, КЛЕБСИЕЛЛЫ
Croatian KLEBSIELLA
Polish Klebsiella, Pałeczki otoczkowe
German Klebsiella
Italian Klebsiella
Dutch Klebsiella
Portuguese Klebsiella

Ontology: Proteus (C0033697)

Definition (NCI) A genus of Gram-negative, oxidase-negative, but catalase- and nitrase-positive bacteria in the phylum Proteobacteria.
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Proteus genus level.
Definition (MSH) A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs in the intestines of humans and a wide variety of animals, as well as in manure, soil, and polluted waters. Its species are pathogenic, causing urinary tract infections and are also considered secondary invaders, causing septic lesions at other sites of the body.
Definition (CSP) genus of gram negative, facultatively anaerobic, rod shaped bacteria that occurs in the intestines of humans and a wide variety of animals, as well as in manure, soil, and polluted waters; its species are pathogenic, causing urinary tract infections and are also considered secondary invaders, causing septic lesions at other sites of the body.
Concepts Bacterium (T007)
MSH D011511
SnomedCT 50517009
English PROTEUS, Proteus, NOS, Genus Proteus (organism), Genus Proteus, Proteus (organism), 168 PROTEUS, proteus, Liquidobacterium, Proteus Hauser 1885, Proteus <enterobacteria>, Proteus
Swedish Proteus
Czech Proteus
Spanish género Proteus, género Proteus (organismo), Proteus (organismo), Proteus
Finnish Proteus
Russian PROTEI, ПРОТЕЙ
Croatian PROTEUS
Polish Proteus
French Proteus
German Proteus
Italian Proteus
Dutch Proteus
Portuguese Proteus

Ontology: Providencia (C0033750)

Definition (NCI) A genus of facultatively anaerobic, Gram negative, rod shaped bacterium in the phylum Proteobacteria and the family Enterobacteriaceae.
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Providencia genus level.
Definition (MSH) Gram-negative rods isolated from human urine and feces.
Concepts Bacterium (T007)
MSH D011532
SnomedCT 112284001
English PROVIDENCIA, Providencia, NOS, Genus Providencia (organism), Providencia (organism), Genus Providencia, 169 PROVIDENCIA, Providencia, providencia, Providencia Ewing 1962
Swedish Providencia
Czech Providencia
Spanish Providencia (organismo), género Providencia (organismo), género Providencia, Providencia
Finnish Providencia
Polish Providencia
French Providencia
German Providencia
Italian Providencia
Russian PROVIDENCIA, PROTEUS RETTGERI, PROVIDENCIA ALCALIFACIENS
Dutch Providencia
Portuguese Providencia

Ontology: Serratia (C0036765)

Definition (NCI) A genus of small motile peritrichous bacteria in the Enterobacteriacaea family consisting of Gram-negative rods.
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Serratia genus level.
Definition (MSH) A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that occurs in the natural environment (soil, water, and plant surfaces) or as an opportunistic human pathogen.
Definition (CSP) genus of gram negative, facultatively anaerobic, rod shaped bacteria that occurs in the natural environment (soil, water, and plant surfaces) or as an opportunistic human pathogen.
Concepts Bacterium (T007)
MSH D012705
SnomedCT 42025004
English SERRATIA, Serratia, NOS, 1E0 SERRATIA, Genus Serratia (organism), Genus Serratia, Serratia (organism), Serratia, serratia, Serratia Bizio 1823
Swedish Serratia
Czech Serratia
Spanish género Serratia, género Serratia (organismo), Serratia (organismo), Serratia
Finnish Serratia
Polish Serratia
French Serratia
German Serratia
Italian Serratia
Russian SERRATIA
Dutch Serratia
Portuguese Serratia

Ontology: Yersinia <bacteria> (C0043405)

Definition (NCI) A genus of facultatively anaerobic, Gram negative, rod shaped bacterium in the phylum Proteobacteria and the family Enterobacteriaceae.
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Yersinia genus level.
Definition (MSH) A genus of gram-negative, facultatively anaerobic rod- to coccobacillus-shaped bacteria that occurs in a broad spectrum of habitats.
Definition (CSP) genus of gram negative facultatively anaerobic, rod shaped to ovoid bacteria; contains the organism responsible for bubonic plague (Yersinia pestis) and other species causing gastroenteritis and mesenteric lymphadenitis.
Concepts Bacterium (T007)
MSH D015007
SnomedCT 4668009
English Yersinia, YERSINIA, Yersinia, NOS, Genus Yersinia (organism), Genus Yersinia, Yersinia (organism), 1E4 YERSINIA, Yersinia <bacteria>, Yersinia van Loghem 1944, yersinia
Swedish Yersinia
Czech Yersinia
Spanish género Yersinia (organismo), género Yersinia, Yersinia (organismo), Yersinia
Finnish Yersinia
Russian IERSINII, ИЕРСИНИИ
Croatian YERSINIA
Polish Yersinia
French Yersinia
German Yersinia
Italian Yersinia
Dutch Yersinia
Portuguese Yersinia

Ontology: Morganella <proteobacterium> (C0315275)

Definition (NCI) A genus of facultatively anaerobic, Gram negative, rod shaped bacterium in the phylum Proteobacteria and the family Enterobacteriaceae.
Definition (NCI) Any bacteria that is not assigned to the species level but can be assigned to the Morganella genus level.
Definition (MSH) A genus of gram-negative, facultatively anaerobic, straight rods which are motile by peritrichous flagella. These organisms are chemoorganotrophic and have both a respiratory and fermentative type of metabolism. (From Bergey's Manual of Determinative Bacteriology, 9th ed)
Concepts Bacterium (T007)
MSH D020596
SnomedCT 50713005
English MORGANELLA, Morganella, Morganella, NOS, Morganella (organism), Genus Morganella, Genus Morganella (organism), 165 MORGANELLA, morganella, Morganella <proteobacterium>, Morganella Fulton 1943
Swedish Morganella
Czech Morganella
Spanish Morganella (organismo), género Morganella, género Morganella (organismo), Morganella
Finnish Morganella
Polish Morganella
French Morganella
German Morganella
Italian Morganella
Russian MORGANELLA
Dutch Morganella
Portuguese Morganella