Citrobacter sedlakii (DSM 17674, ATCC 51115, CDC 4696-86)

Name: Citrobacter sedlakii (DSM 17674, ATCC 51115, CDC 4696-86)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 4345

Type strain

Strain Designation I-25, I-75, 4696-86

Culture col. no. DSM 17674 ATCC 51115 CDC 4696-86 CIP 105037 CCUG 30794 3 more

NCBI tax ID(s) 67826

Special Collections DSMZ CCUG CIP

Links

Citrobacter sedlakii I-25 is an aerobe, mesophilic, Gram-negative prokaryote that was isolated from human faeces.

Gram-negative motile rod-shaped aerobe mesophilic 16S sequence

Name and taxonomic classification

SI-ID 42811

NBRC 105722,ATCC 51115,CCUG 30794,CIP 105037,DSM 17674,CNCTC 5068

@ref 20215

Last LPSN update 2025-12-16 09:47:47

Domain Pseudomonadati

Phylum Pseudomonadota

Class Gammaproteobacteria

Order Enterobacterales

Family Enterobacteriaceae

Genus Citrobacter

Species Citrobacter sedlakii

Full scientific name Citrobacter sedlakii Brenner et al. 1993

BacDive ID	Other strains from **Citrobacter sedlakii** (8)	Type strain
135928	C. sedlakii CIP 106506, CCUG 26550
136177	C. sedlakii 190-81, CIP 104926
137281	C. sedlakii 3188-73, CIP 104923
138365	C. sedlakii CIP 106793
144791	C. sedlakii CCUG 26556
146663	C. sedlakii CCUG 31748
147254	C. sedlakii CCUG 33210
155241	C. sedlakii CCUG 57048

Morphology

Cell morphology

@ref	Gram stain	Cell shape	Motility
122539	negative	rod-shaped

Culture and growth conditions

Culture medium

@ref	Name	Medium link	Composition
7116	COLUMBIA BLOOD MEDIUM (DSMZ Medium 693)	Medium recipe at MediaDive	Name: COLUMBIA BLOOD MEDIUM (DSMZ Medium 693) Composition: Defibrinated sheep blood 50.0 g/l Columbia agar base
7116	TRYPTICASE SOY BROTH AGAR (DSMZ Medium 535)	Medium recipe at MediaDive	Name: TRYPTICASE SOY BROTH AGAR (DSMZ Medium 535) Composition: Trypticase soy broth 30.0 g/l Agar 15.0 g/l Distilled water
39171	MEDIUM 3 - Columbia agar		Columbia agar (39.000 g);distilled water (1000.000 ml)
122539	CIP Medium 72	Medium recipe at CIP
122539	CIP Medium 3	Medium recipe at CIP

Culture temp

@ref	Growth	Type	Temperature (°C)	Range
7116	positive	growth	30	mesophilic
39171	positive	growth	30	mesophilic
50274	positive	growth	37	mesophilic
122539	positive	growth	5-41

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance
7116	aerobe
122539	facultative anaerobe

Metabolite utilization

@ref	Chebi-ID	Metabolite	Utilization activity	Kind of utilization tested
68371	27613 ChEBI	amygdalin	-	builds acid from	from API 50CH acid
68368	27613 ChEBI	amygdalin	+	fermentation	from API 20E
68368	29016 ChEBI	arginine	+	hydrolysis	from API 20E
68371	17057 ChEBI	cellobiose	+	builds acid from	from API 50CH acid
122539	16947 ChEBI	citrate	+	carbon source
68368	16947 ChEBI	citrate	+	assimilation	from API 20E
68371	17108 ChEBI	D-arabinose	+	builds acid from	from API 50CH acid
68371	18333 ChEBI	D-arabitol	-	builds acid from	from API 50CH acid
68371	15824 ChEBI	D-fructose	+	builds acid from	from API 50CH acid
68371	28847 ChEBI	D-fucose	-	builds acid from	from API 50CH acid
68371	12936 ChEBI	D-galactose	+	builds acid from	from API 50CH acid
68371	17634 ChEBI	D-glucose	+	builds acid from	from API 50CH acid
68368	17634 ChEBI	D-glucose	+	fermentation	from API 20E
68371	62318 ChEBI	D-lyxose	-	builds acid from	from API 50CH acid
68371	16899 ChEBI	D-mannitol	+	builds acid from	from API 50CH acid
68368	16899 ChEBI	D-mannitol	+	fermentation	from API 20E
68371	16988 ChEBI	D-ribose	+	builds acid from	from API 50CH acid
68371	17924 ChEBI	D-sorbitol	+	builds acid from	from API 50CH acid
68371	16443 ChEBI	D-tagatose	-	builds acid from	from API 50CH acid
68371	65327 ChEBI	D-xylose	+	builds acid from	from API 50CH acid
68371	17113 ChEBI	erythritol	-	builds acid from	from API 50CH acid
68371	4853 ChEBI	esculin	-	builds acid from	from API 50CH acid
68371	16813 ChEBI	galactitol	+	builds acid from	from API 50CH acid
68368	5291 ChEBI	gelatin	-	hydrolysis	from API 20E
68371	24265 ChEBI	gluconate	+	builds acid from	from API 50CH acid
122539	17234 ChEBI	glucose	+	fermentation
122539	17234 ChEBI	glucose	+	degradation
68371	17754 ChEBI	glycerol	+	builds acid from	from API 50CH acid
68371	28087 ChEBI	glycogen	-	builds acid from	from API 50CH acid
68371	15443 ChEBI	inulin	-	builds acid from	from API 50CH acid
68371	30849 ChEBI	L-arabinose	+	builds acid from	from API 50CH acid
68368	30849 ChEBI	L-arabinose	+	fermentation	from API 20E
68371	18403 ChEBI	L-arabitol	-	builds acid from	from API 50CH acid
68371	18287 ChEBI	L-fucose	+	builds acid from	from API 50CH acid
68371	62345 ChEBI	L-rhamnose	+	builds acid from	from API 50CH acid
68368	62345 ChEBI	L-rhamnose	+	fermentation	from API 20E
68371	17266 ChEBI	L-sorbose	-	builds acid from	from API 50CH acid
68371	65328 ChEBI	L-xylose	-	builds acid from	from API 50CH acid
122539	17716 ChEBI	lactose	-	fermentation
68371	17716 ChEBI	lactose	+	builds acid from	from API 50CH acid
68368	25094 ChEBI	lysine	-	degradation	from API 20E
122539	15792 ChEBI	malonate	+	assimilation
68371	17306 ChEBI	maltose	+	builds acid from	from API 50CH acid
122539	29864 ChEBI	mannitol	+	fermentation
68371	6731 ChEBI	melezitose	-	builds acid from	from API 50CH acid
68371	28053 ChEBI	melibiose	+	builds acid from	from API 50CH acid
68368	28053 ChEBI	melibiose	+	fermentation	from API 20E
68371	320061 ChEBI	methyl alpha-D-glucopyranoside	-	builds acid from	from API 50CH acid
68371	43943 ChEBI	methyl alpha-D-mannoside	-	builds acid from	from API 50CH acid
68371	74863 ChEBI	methyl beta-D-xylopyranoside	-	builds acid from	from API 50CH acid
68371	17268 ChEBI	myo-inositol	+	builds acid from	from API 50CH acid
68371	59640 ChEBI	N-acetylglucosamine	+	builds acid from	from API 50CH acid
122539	17632 ChEBI	nitrate	+	reduction
122539	16301 ChEBI	nitrite	-	reduction
68368	18257 ChEBI	ornithine	+	degradation	from API 20E
68371		Potassium 2-ketogluconate	+	builds acid from	from API 50CH acid
68371		Potassium 5-ketogluconate	-	builds acid from	from API 50CH acid
68371	16634 ChEBI	raffinose	-	builds acid from	from API 50CH acid
68371	15963 ChEBI	ribitol	-	builds acid from	from API 50CH acid
122539	132112 ChEBI	sodium thiosulfate	-	builds gas from
68368	30911 ChEBI	sorbitol	+	fermentation	from API 20E
68371	28017 ChEBI	starch	-	builds acid from	from API 50CH acid
68371	17992 ChEBI	sucrose	-	builds acid from	from API 50CH acid
68368	17992 ChEBI	sucrose	-	fermentation	from API 20E
68371	27082 ChEBI	trehalose	+	builds acid from	from API 50CH acid
68368	27897 ChEBI	tryptophan	+	energy source	from API 20E
68371	32528 ChEBI	turanose	-	builds acid from	from API 50CH acid
68368	16199 ChEBI	urea	-	hydrolysis	from API 20E
68371	17151 ChEBI	xylitol	-	builds acid from	from API 50CH acid

Antibiotic resistance

@ref	Metabolite	Is antibiotic	Is sensitive	Is resistant
122539	0129 (2,4-Diamino-6,7-di-iso-propylpteridine phosphate)

Metabolite production

@ref	Chebi-ID	Metabolite
68368	15688 ChEBI	acetoin	from API 20E
68368	16136 ChEBI	hydrogen sulfide	from API 20E
122539	35581 ChEBI	indole
68368	35581 ChEBI	indole	from API 20E

Metabolite tests

@ref	Chebi-ID	Metabolite	Voges-proskauer-test
122539	15688 ChEBI	acetoin	-
68368	15688 ChEBI	acetoin	-	from API 20E
122539	17234 ChEBI	glucose
68368	35581 ChEBI	indole		from API 20E

Enzymes

@ref	Value	Activity	Ec
68382	acid phosphatase	+	3.1.3.2	from API zym
122539	alcohol dehydrogenase	-	1.1.1.1
68382	alkaline phosphatase	+	3.1.3.1	from API zym
68382	alpha-chymotrypsin	-	3.4.21.1	from API zym
68382	alpha-fucosidase	-	3.2.1.51	from API zym
68382	alpha-galactosidase	-	3.2.1.22	from API zym
68382	alpha-glucosidase	-	3.2.1.20	from API zym
68382	alpha-mannosidase	-	3.2.1.24	from API zym
68368	arginine dihydrolase	+	3.5.3.6	from API 20E
68382	beta-galactosidase	+	3.2.1.23	from API zym
122539	beta-galactosidase	+	3.2.1.23
68368	beta-galactosidase	+	3.2.1.23	from API 20E
68382	beta-glucosidase	-	3.2.1.21	from API zym
68382	beta-glucuronidase	-	3.2.1.31	from API zym
122539	catalase	+	1.11.1.6
68382	cystine arylamidase	-	3.4.11.3	from API zym
68368	cytochrome oxidase	-	1.9.3.1	from API 20E
68382	esterase (C 4)	+		from API zym
68382	esterase lipase (C 8)	+		from API zym
122539	gelatinase	-
68368	gelatinase	-		from API 20E
68382	leucine arylamidase	+	3.4.11.1	from API zym
68382	lipase (C 14)	-		from API zym
122539	lysine decarboxylase	-	4.1.1.18
68368	lysine decarboxylase	-	4.1.1.18	from API 20E
68382	N-acetyl-beta-glucosaminidase	-	3.2.1.52	from API zym
68382	naphthol-AS-BI-phosphohydrolase	+		from API zym
122539	ornithine decarboxylase	+	4.1.1.17
68368	ornithine decarboxylase	+	4.1.1.17	from API 20E
122539	oxidase	-
122539	phenylalanine ammonia-lyase	-	4.3.1.24
68382	trypsin	-	3.4.21.4	from API zym
122539	tryptophan deaminase	-
68368	tryptophan deaminase	-	4.1.99.1	from API 20E
122539	urease	-	3.5.1.5
68368	urease	-	3.5.1.5	from API 20E
68382	valine arylamidase	-		from API zym

API 20E

@ref	ONPG	ADH (Arg)	LDC (Lys)	ODC	CIT	H2S productionH2S	URE	TDA (Trp)	IND	Acetoin production (Voges Proskauer test)VP	GEL	GLU	MAN	INO	Sor	RHA	SAC	MEL	AMY	ARA	OX	Nitrite productionNO2	Reduction to N2N2	MotilityMOB	Growth on MacConkey mediumMAC	OF-O	OF-F
7116	+	+	-	+	+	-	-	-	+	-	-	+	+	+/-	+	+	-	+	+	+	-	not determinedn.d.	not determinedn.d.	not determinedn.d.	not determinedn.d.	not determinedn.d.	not determinedn.d.

API zym

@ref	Control	Alkaline phosphatase	Esterase (C 4)	2-naphtyl caprylateEsterase Lipase (C 8)	Lipase (C 14)	L-leucyl-2-naphthylamideLeucine arylamidase	L-valyl-2-naphthylamideValine arylamidase	L-cystyl-2-naphthylamideCystine arylamidase	Trypsin	alpha- Chymotrypsin	Acid phosphatase	Naphthol-AS-BI-phosphateNaphthol-AS-BI-phosphohydrolase	alpha- Galactosidase	beta- Galactosidase	beta- Glucuronidase	alpha- Glucosidase	beta- Glucosidase	N-acetyl-beta- glucosaminidase	alpha- Mannosidase	alpha- Fucosidase
122539	-	+	+	+	-	+	-	-	-	-	+	+	-	+	-	-	-	-	-	-

API 50CHac

@ref	ControlQ	GLY	ERY	DARA	LARA	RIB	DXYL	LXYL	ADO	MDX	GAL	GLU	FRU	MNE	SBE	RHA	DUL	INO	MAN	SOR	MDM	MDG	NAG	AMY	ARB	ESC	SAL	CEL	MAL	LAC	MEL	SAC	TRE	INU	MLZ	RAF	AMD	GLYG	XLT	GEN	TUR	LYX	TAG	DFUC	LFUC	DARL	LARL	GNT	2KG	5KG
122539	not determinedn.d.	+	-	+	+	+	+	-	-	-	+	+	+	+/-	-	+	+	+	+	+	-	-	+	-	+/-	-	+/-	+	+	+	+	-	+	-	-	-	-	-	-	+/-	-	-	-	-	+	-	-	+	+	-

API biotype100

@ref	ControlQ	D-glucose as carbon sourceGLU	D-fructose as carbon sourceFRU	D-galactose as carbon sourceGAL	D-trehalose as carbon sourceTRE	D-mannose as carbon sourceMNE	L-sorbose as carbon sourceSBE	D-melibiose as carbon sourceMEL	sucrose as carbon sourceSAC	D-raffinose as carbon sourceRAF	maltotriose as carbon sourceMTE	maltose as carbon sourceMAL	lactose as carbon sourceLAC	lactulose as carbon sourceLTE	1-O-methyl-beta-galactopyranoside as carbon sourceMbGa	1-O-methyl-alpha-galactopyranoside as carbon sourceMaGa	D-cellobiose as carbon sourceCEL	gentiobiose as carbon sourceGEN	1-O-methyl-beta-D-glucopyranoside as carbon sourceMbGu	esculin as carbon sourceESC	D-ribose as carbon sourceRIB	L-arabinose as carbon sourceARA	D-xylose as carbon sourceXYL	palatinose as carbon sourcePLE	L-rhamnose as carbon sourceRHA	L-fucose as carbon sourceFUC	D-melezitose as carbon sourceMLZ	D-arabitol as carbon sourceDARL	L-arabitol as carbon sourceLARL	xylitol as carbon sourceXLT	dulcitol as carbon sourceDUL	D-tagatose as carbon sourceTAG	glycerol as carbon sourceGLY	myo-inositol as carbon sourceINO	D-mannitol as carbon sourceMAN	maltitol as carbon sourceMTL	D-turanose as carbon sourceTUR	D-sorbitol as carbon sourceSOR	adonitol as carbon sourceADO	hydroxyquinoline-beta-glucuronide as carbon sourceHBG	D-lyxose as carbon sourceLYX	i-erythritol as carbon sourceERY	1-O-methyl-alpha-D-glucoside as carbon sourceMDG	3-O-methyl-D-glucose as carbon source3MDG	D-saccharate as carbon sourceSAT	mucate as carbon sourceMUC	L-tartrate as carbon sourceLTAT	D-tartrate as carbon sourceDTAT	meso-tartrate as carbon sourceMTAT	D-malate as carbon sourceDMLT	L-malate as carbon sourceLMLT	cis-aconitate as carbon sourceCATE	trans-aconitate as carbon sourceTATE	tricarballylate as carbon sourceTTE	citrate as carbon sourceCIT	D-glucuronate as carbon sourceGRT	D-galacturonate as carbon sourceGAT	2-ketogluconate as carbon source2KG	5-ketogluconate as carbon source5KG	tryptophan as carbon sourceTRY	N-acetyl-D-glucosamine as carbon sourceNAG	D-gluconate as carbon sourceGNT	phenylacetate as carbon sourcePAC	protocatechuate as carbon sourcePAT	4-hydroxybenzoate as carbon sourcepOBE	quinate as carbon sourceQAT	gentisate as carbon sourceGTE	3-hydroxybenzoate as carbon sourcemOBE	benzoate as carbon sourceBAT	3-phenylpropionate as carbon sourcePPAT	m-coumarate as carbon sourceCMT	trigonelline as carbon sourceTGE	betaine as carbon sourceBET	putrescine as carbon sourcePCE	4-aminobutyrate as carbon sourceABT	histamine as carbon sourceHIN	DL-lactate as carbon sourceLAT	caprate as carbon sourceCAP	caprylate as carbon sourceCYT	L-histidine as carbon sourceHIS	succinate as carbon sourceSUC	fumarate as carbon sourceFUM	glutarate as carbon sourceGRE	DL-glycerate as carbon sourceGYT	5-aminovalerate as carbon sourceAVT	ethanolamine as carbon sourceETN	tryptamine as carbon sourceTTN	D-glucosamine as carbon sourceGLN	itaconate as carbon sourceITA	3-hydroxybutyrate as carbon source3OBU	L-aspartate as carbon sourceAPT	L-glutamate as carbon sourceGTT	L-proline as carbon sourcePRO	D-alanine as carbon sourceDALA	L-alanine as carbon sourceLALA	L-serine as carbon sourceSER	malonate as carbon sourceMNT	propionate as carbon sourcePROP	L-tyrosine as carbon sourceTYR	2-ketoglutarate as carbon source2KT
122539	not determinedn.d.	+	+	+	+	+	-	+	-	-	+	+	+	+	+	+	+	-	+	-	+	+	+	-	+	+	-	-	-	-	+	-	+	+	-	-	-	+	-	-	-	-	-	+	+	+	-	-	+	+	+	+	+	+	+	+	+	+	-	-	+	+	-	+	+	-	+	+	+	-	+	-	-	-	+	-	+	-	-	-	+	+	+	+	+	-	-	+	-	+	+	+	+	+	+	+	+	+	-	+

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2
#Host	#Human
#Host Body Product	#Gastrointestinal tract

Isolation

@ref	Sample type	Country	Country ISO 3 Code	Continent
7116	human faeces	France	FRA	Europe
50274	Human feces
122539	Human, Feces	France	FRA	Europe

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
7116	2	Risk group (German classification) According to TRBA 466
122539	1	Risk group (French classification) According to TRBA 466

Sequence information

16S sequences

@ref	Description	Accession	Length	NCBI tax ID
7116	Citrobacter sedlakii 16S ribosomal RNA gene, partial sequence	AF025364	1522	67826
124043	Citrobacter sedlakii strain CIP 105037 16S ribosomal RNA gene, partial sequence.	KU359042	557	67826
124043	Citrobacter sedlakii strain CIP 105037 16S ribosomal RNA gene, partial sequence.	KM515973	1420	67826

Genome-based predictions

Literature

Title	Authors	Journal	DOI	Year
AMiGA: Software for Automated Analysis of Microbial Growth Assays.	Midani FS, Collins J, Britton RA.	mSystems	10.1128/msystems.00508-21	2021
Isolation of a nonpathogenic strain of Citrobacter sedlakii which expresses Escherichia coli O157 antigen.	Park CH, Martin EA, White EL.	J Clin Microbiol	10.1128/jcm.36.5.1408-1409.1998	1998
Molecular method for detection of total coliforms in drinking water samples.	Maheux AF, Boudreau DK, Bisson MA, Dion-Dupont V, Bouchard S, Nkuranga M, Bergeron MG, Rodriguez MJ.	Appl Environ Microbiol	10.1128/aem.00546-14	2014
Rapid concentration and molecular enrichment approach for sensitive detection of Escherichia coli and Shigella species in potable water samples.	Maheux AF, Bissonnette L, Boissinot M, Bernier JL, Huppe V, Picard FJ, Berube E, Bergeron MG.	Appl Environ Microbiol	10.1128/aem.02337-10	2011
Novel class A beta-lactamase Sed-1 from Citrobacter sedlakii: genetic diversity of beta-lactamases within the Citrobacter genus.	Petrella S, Clermont D, Casin I, Jarlier V, Sougakoff W.	Antimicrob Agents Chemother	10.1128/aac.45.8.2287-2298.2001	2001

References

#7116	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 17674
#20215	Parte, A.C., Sardà Carbasse, J., Meier-Kolthoff, J.P., Reimer, L.C. and Göker, M.: List of Prokaryotic names with Standing in Nomenclature (LPSN) moves to the DSMZ. IJSEM ( DOI 10.1099/ijsem.0.004332 )
#39171	; Curators of the CIP;
#50274	Culture Collection University of Gothenburg (CCUG) ; Curators of the CCUG; CCUG 30794
#68368	Automatically annotated from API 20E .
#68371	Automatically annotated from API 50CH acid .
#68382	Automatically annotated from API zym .
#122539	Collection of Institut Pasteur ; Curators of the CIP; CIP 105037
#124043	Isabel Schober, Julia Koblitz: Data extracted from sequence databases, automatically matched based on designation and taxonomy .
#126262	A. Lissin, I. Schober, J. F. Witte, H. Lüken, A. Podstawka, J. Koblitz, B. Bunk, P. Dawyndt, P. Vandamme, P. de Vos, J. Overmann, L. C. Reimer: StrainInfo—the central database for linked microbial strain identifiers. ( DOI 10.1093/database/baaf059 )

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Citrobacter sedlakii (DSM 17674, ATCC 51115, CDC 4696-86)

Name and taxonomic classification

Morphology

Cell morphology

Culture and growth conditions

Culture medium

Culture temp

Physiology and metabolism

Oxygen tolerance

Metabolite utilization

Antibiotic resistance

Metabolite production

Metabolite tests

Enzymes

API 20E

API zym

API 50CHac

API biotype100

Isolation, sampling and environmental information

Isolation source categories

Isolation

Interaction and safety

Risk assessment

Sequence information

16S sequences

Genome-based predictions

Literature

Literature

References

BacDive

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