Taylorella equigenitalis (DSM 10668, ATCC 35865, CIP 7909)

Name: Taylorella equigenitalis (DSM 10668, ATCC 35865, CIP 7909)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 366

Type strain

Strain Designation 61717/77

Culture col. no. DSM 10668 ATCC 35865 CIP 7909 NCTC 11184 CCUG 10786 3 more

NCBI tax ID(s) 743973 29575

Special Collections DSMZ CCUG CIP

History <- NCTC <- C. E. D. Taylor, PHLS CIP <- 1979, NCTC, Haemophilus equigenitalis <- 1977, C.E.D. Taylor, Pub. Hlth. Lab, Cambridge, UK: strain 61717/77

Links

Taylorella equigenitalis 61717/77 is a microaerophile, mesophilic, Gram-negative animal pathogen that was isolated from contagious equine metritis.

Gram-negative rod-shaped microaerophile mesophilic animal pathogen genome sequence 16S sequence

Name and taxonomic classification

SI-ID 389411

LMG 6222,CCUG 10786,NCTC 11184,ATCC 35865,CIP 7909,DSM 10668,CCM 6190,CIP 79.07,CIP 79.7

@ref 20215

Last LPSN update 2026-02-09 11:17:51

Domain Bacteria

Phylum Pseudomonadota

Class Betaproteobacteria

Order Burkholderiales

Family Alcaligenaceae

Genus Taylorella

Species Taylorella equigenitalis

Full scientific name Taylorella equigenitalis (Taylor et al. 1983) Sugimoto et al. 1984

Synonyms (1)

Haemophilus equigenitalis

BacDive ID	Other strains from **Taylorella equigenitalis** (7)	Type strain
137685	T. equigenitalis CIP 79.44, NCTC 11225
143036	T. equigenitalis CCUG 16464, LMG 6223
143037	T. equigenitalis CCUG 16465, LMG 6224
143038	T. equigenitalis CCUG 16466
143039	T. equigenitalis CCUG 16467
143266	T. equigenitalis CCUG 18140
143267	T. equigenitalis CCUG 18141

Morphology

Cell morphology

@ref	Gram stain	Cell shape	Motility	Confidence
119120	negative	rod-shaped
125438	negative			98.167

Colony morphology

@ref	Type of hemolysis	Incubation period
4030	gamma	3-7 days

Culture and growth conditions

Culture medium

@ref	Name	Medium link	Composition
4030	COLUMBIA BLOOD AGAR (DSMZ Medium 429)	Medium recipe at MediaDive	Name: COLUMBIA BLOOD AGAR (DSMZ Medium 429; with strain-specific modifications) Composition: Horse blood 100.0 g/l Columbia agar base
37712	MEDIUM 82 - for Taylorella equigenitalis and Bartonella clarridgeiae		Distilled water make up to (1000.000 ml);Columbia agar (39.000 g);Rabbitblood (50.000 ml)
119120	CIP Medium 82	Medium recipe at CIP

Culture temp

@ref	Growth	Type	Temperature (°C)	Range
4030	positive	growth	37	mesophilic
37712	positive	growth	37	mesophilic

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
4030	microaerophile
119120	facultative anaerobe
125439	obligate aerobe	96.8

Spore formation

@ref	Spore formation	Confidence
125438		91.899
125439		95.4

Metabolite utilization

@ref	Chebi-ID	Metabolite	Utilization activity	Kind of utilization tested
68377	15824 ChEBI	D-fructose	-	builds acid from	from API NH
68377	17306 ChEBI	maltose	-	builds acid from	from API NH
119120	17632 ChEBI	nitrate	-	reduction
119120	16301 ChEBI	nitrite	-	reduction
68377	18257 ChEBI	ornithine	-	degradation	from API NH
68377	17992 ChEBI	sucrose	-	builds acid from	from API NH
68377	27897 ChEBI	tryptophan	-	energy source	from API NH
68377	16199 ChEBI	urea	-	hydrolysis	from API NH

Metabolite production

@ref	Chebi-ID	Metabolite	Production
68377	35581 ChEBI	indole		from API NH
119120	35581 ChEBI	indole

Metabolite tests

@ref	Chebi-ID	Metabolite	Indole test
68377	35581 ChEBI	indole	-	from API NH

Enzymes

@ref	Value	Activity	Ec
68382	acid phosphatase	-	3.1.3.2	from API zym
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
68382	beta-galactosidase	-	3.2.1.23	from API zym
68382	beta-glucosidase	-	3.2.1.21	from API zym
68382	beta-glucuronidase	+	3.2.1.31	from API zym
68377	beta-lactamase	-	3.5.2.6	from API NH
4030	catalase	+	1.11.1.6
119120	catalase	+	1.11.1.6
68382	cystine arylamidase	-	3.4.11.3	from API zym
4030	cytochrome-c oxidase	+	1.9.3.1
68382	esterase (C 4)	+		from API zym
68382	esterase lipase (C 8)	+		from API zym
68382	leucine arylamidase	+	3.4.11.1	from API zym
68382	lipase (C 14)	-		from API zym
68382	N-acetyl-beta-glucosaminidase	-	3.2.1.52	from API zym
68382	naphthol-AS-BI-phosphohydrolase	+		from API zym
68377	ornithine decarboxylase	-	4.1.1.17	from API NH
119120	oxidase	+
68382	trypsin	-	3.4.21.4	from API zym
68377	tryptophan deaminase	-	4.1.99.1	from API NH
119120	urease	-	3.5.1.5
68377	urease	-	3.5.1.5	from API NH
68382	valine arylamidase	-		from API zym

Fatty acid profile

Metadata FA analysis

@ref

45339

Fatty acid	Percentage	ECL
C18:1 ω7c /12t/9t	43.8	17.824
C16:0	34	16
C14:0 3OH/C16:1 ISO I	6.7	15.485
C18:0	5	18
C16:1 ω7c	2.4	15.819
C14:0	2	14
C12:0 ALDE ?	2	10.915
C15:1 ω8c	1.2	14.792
C18:2 ω6,9c/C18:0 ANTE	1	17.724
C18:1 ω9c	0.9	17.769
C12:0	0.6	12
C19:0 10-methyl	0.5	19.368

Metadata FA analysis

@ref

45339

Fatty acid	Percentage	ECL
C18:1 ω7c /12t/9t	53.7	17.824
C16:0	26.8	16
C14:0 3OH/C16:1 ISO I	6.6	15.485
C18:0	3.3	18
C16:1 ω7c	1.8	15.819
C14:0	1.5	14
C12:0 ALDE ?	1.5	10.915
C18:2 ω6,9c/C18:0 ANTE	1.5	17.724
C18:1 ω9c	1.3	17.769
C15:1 ω8c	1.1	14.792
C19:0 10-methyl	1	19.368

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
119120	-	+	+	+	-	+	-	-	-	-	-	+	-	-	+	-	-	-	-	-

API NH

@ref	PEN	GLU	FRU	MAL	SAC	ODC	URE	LIP	PAL	beta GAL	ProA	GGT	IND
4030	-	-	-	-	-	-	-	+	-	-	+	-	-
4030	-	-	-	-	-	-	-	+	+/-	-	+	-	-
4030	-	-	-	-	-	-	-	+	-	-	-	-	-
4030	-	+/-	-	-	-	-	-	-	+	-	-	+	-
4030	-	-	-	-	-	-	-	-	+	-	-	+	-
4030	-	-	-	-	-	-	-	-	+	+/-	-	+	-
4030	-	-	-	-	-	-	-	-	+	-	-	-	-

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Infection	#Disease	-
#Host	#Mammals	#Equidae (Horse)
#Host Body-Site	#Urogenital tract	-

Isolation

@ref	Sample type	Geographic location	Country	Country ISO 3 Code	Continent	Latitude	Longitude	Sampling date
4030	contagious equine metritis	Cambridge	United Kingdom	GBR	Europe	52.2053	0.1192 52.2053/0.1192
45339	Equine,CEM:Contagious equine metritis		United Kingdom	GBR	Europe			1977
119120	Animal, Equine, contagious metritis		United Kingdom	GBR	Europe

Taxonmaps

69479

Global distribution of 16S sequence X68645 (>99% sequence identity) for Taylorella equigenitalis subclade from Microbeatlas

Aquatic Samples	374
Soil Samples	190
Animal Samples	453
Plant Samples	59
Total Samples	1076

Interaction and safety

Risk assessment

@ref	Pathogenicity animal	Biosafety level	Biosafety level comment
4030		2	Risk group (German classification) According to TRBA 466
119120		1	Risk group (French classification) According to TRBA 466

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
66792	48853_G02 assembly for Taylorella equigenitalis ATCC 35865 NCTC11184	complete	GCA_900637125	743973.8	8116395754	743973	96.65
66792	ASM27668v1 assembly for Taylorella equigenitalis ATCC 35865	complete	GCA_000276685	743973.3	2517093031	743973	96.52

16S sequences

@ref	Description	Accession	Length	NCBI tax ID
20218	Taylorella equigenitalis strain ATCC 35865 16S ribosomal RNA gene, partial sequence	DQ099553	1451	743973
20218	Taylorella equigenitalis genes for 16S ribosomal RNA, tRNA-Ile, tRNA-Ala, 23S ribosomal RNA, partial and complete sequence, strain: NCTC 11184	AB113653	1026	743973
20218	Taylorella equigenitalis genes for 16S ribosomal RNA, tRNA-Ile, tRNA-Ala, 23S ribosomal RNA, partial and complete sequence, strain: NCTC 11184	AB113656	932	743973
20218	Taylorella equigenitalis strain NCTC11184 16S ribosomal RNA gene, complete sequence	AF408197	1499	743973
4030	T.equigenitalis gene for 16S rRNA	X68645	1499	743973
124043	Taylorella equigenitalis strain ATCC 35865 16S ribosomal RNA gene, partial sequence.	DQ099547	1448	84590
124043	Taylorella equigenitalis strain ATCC 35865 16S ribosomal RNA gene, partial sequence.	DQ099548	1451	29575
124043	Taylorella equigenitalis strain ATCC 35865 16S ribosomal RNA gene, partial sequence.	DQ099549	1451	29575
124043	Taylorella equigenitalis strain ATCC 35865 16S ribosomal RNA gene, partial sequence.	DQ099550	1451	29575
124043	Taylorella equigenitalis strain ATCC 35865 16S ribosomal RNA gene, partial sequence.	DQ099551	1451	29575
124043	Taylorella equigenitalis strain ATCC 35865 16S ribosomal RNA gene, partial sequence.	DQ099552	1451	29575

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: Taylorella equigenitalis ATCC 35865
NCBI: GCA_000276685

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	spore_formation	BacteriaNetⓘ	no	95.40	no
125439	motility	BacteriaNetⓘ	no	75.50	no
125439	gram_stain	BacteriaNetⓘ	negative	73.90	no
125439	oxygen_tolerance	BacteriaNetⓘ	obligate aerobe	96.80	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Taylorella equigenitalis ATCC 35865 NCTC11184
NCBI: GCA_900637125.1

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	no	98.17	no
125438	anaerobic	anaerobicⓘ	no	91.74	yes
125438	aerobic	aerobicⓘ	no	65.78	yes
125438	spore-forming	spore-formingⓘ	no	91.90	no
125438	thermophilic	thermophileⓘ	no	91.23	yes
125438	flagellated	motile2+ⓘ	no	83.91	no

Literature

Topic	Title	Authors	Journal	DOI	Year
Genetics	A genomic perspective on a new bacterial genus and species from the Alcaligenaceae family, Basilea psittacipulmonis.	Whiteson KL, Hernandez D, Lazarevic V, Gaia N, Farinelli L, Francois P, Pilo P, Frey J, Schrenzel J.	BMC Genomics	10.1186/1471-2164-15-169	2014
Phylogeny	Clear distinction between Burkholderia mallei and Burkholderia pseudomallei using fluorescent motB primers.	Schmoock G, Elschner M, Sprague LD.	Acta Vet Scand	10.1186/s13028-015-0104-4	2015
	Novel real-time PCR detection assay for Brucella suis.	Hansel C, Mertens K, Elschner MC, Melzer F.	Vet Rec Open	10.1136/vetreco-2014-000084	2015
	Accurately assembling nanopore sequencing data of highly pathogenic bacteria	Thomas C, Brangsch H, Galeone V, Holzer M, Marz M, Linde J.	BMC Genomics		2025
Genetics	Genomic diversity of Taylorella equigenitalis introduced into the United States from 1978 to 2012.	Hicks J, Stuber T, Lantz K, Erdman M, Robbe-Austerman S, Huang X.	PLoS One	10.1371/journal.pone.0194253	2018
Enzymology	Comparison of culture versus quantitative real-time polymerase chain reaction for the detection of Taylorella equigenitalis in field samples from naturally infected horses in Canada and Germany.	Nadin-Davis S, Knowles MK, Burke T, Bose R, Devenish J.	Can J Vet Res		2015
	First Case Report of Detection of Multidrug-Resistant Enterobacter hormaechei in Clinical Sample from an Aborted Ruminant.	Zaitsev SS, Khizhnyakova MA, Feodorova VA.	Microorganisms	10.3390/microorganisms10051036	2022
Phylogeny	Identification and differentiation of Taylorella equigenitalis and Taylorella asinigenitalis by lipopolysaccharide O-antigen serology using monoclonal antibodies.	Brooks BW, Lutze-Wallace CL, Maclean LL, Vinogradov E, Perry MB.	Can J Vet Res		2010
Phylogeny	Pulsed-field gel electrophoresis genotyping of Taylorella equigenitalis isolates collected in the United States from 1978 to 2010.	Aalsburg AM, Erdman MM.	J Clin Microbiol	10.1128/jcm.00956-10	2011
	Genomic characterization of the Taylorella genus.	Hebert L, Moumen B, Pons N, Duquesne F, Breuil MF, Goux D, Batto JM, Laugier C, Renault P, Petry S.	PLoS One	10.1371/journal.pone.0029953	2012
	Identification of putative adhesins of Actinobacillus suis and their homologues in other members of the family Pasteurellaceae.	Bujold AR, MacInnes JI.	BMC Res Notes	10.1186/s13104-015-1659-x	2015
	Biosynthesis of vitamins and cofactors in bacterium-harbouring trypanosomatids depends on the symbiotic association as revealed by genomic analyses.	Klein CC, Alves JM, Serrano MG, Buck GA, Vasconcelos AT, Sagot MF, Teixeira MM, Camargo EP, Motta MC.	PLoS One	10.1371/journal.pone.0079786	2013
Enzymology	Real-time PCR approach for detection of environmental sources of Campylobacter strains colonizing broiler flocks.	Ridley AM, Allen VM, Sharma M, Harris JA, Newell DG.	Appl Environ Microbiol	10.1128/aem.01242-07	2008
	Prevalence of, antibody response to, and immunity induced by Haemophilus ducreyi hemolysin.	Dutro SM, Wood GE, Totten PA.	Infect Immun	10.1128/iai.67.7.3317-3328.1999	1999
	Enhanced detection of Taylorella equigenitalis by qPCR using 'Dry' swabs.	Mawhinney I, Bollard A.	J Equine Sci	10.1294/jes.34.7	2023
	A two-step species-specific 16S rRNA PCR assay for the detection of Taylorella equigenitalis in horses.	Buckley TC, Millar BC, Egan CL, Gibson P, Cosgrove H, Stanbridge S, Matsuda M, Moore JE.	Ir Vet J	10.1186/2046-0481-58-3-146	2005
	Differences between Taylorella equigenitalis strains in their invasion of and replication in cultured cells.	Bleumink-Pluym NM, ter Laak EA, Houwers DJ, van der Zeijst BA.	Clin Diagn Lab Immunol	10.1128/cdli.3.1.47-50.1996	1996
	Genetic homogeneity of Taylorella equigenitalis from Norwegian trotting horses revealed by chromosomal DNA fingerprinting.	Thoresen SI, Jenkins A, Ask E.	J Clin Microbiol	10.1128/jcm.33.1.233-234.1995	1995
	Epidemiologic study of Taylorella equigenitalis strains by field inversion gel electrophoresis of genomic restriction endonuclease fragments.	Bleumink-Pluym N, ter Laak EA, van der Zeijst BA.	J Clin Microbiol	10.1128/jcm.28.9.2012-2016.1990	1990
Pathogenicity	In vitro susceptibility of Haemophilus equigenitalis, the causative organism of contagious equine metritis 1977, to antimicrobial agents.	Dabernat HJ, Delmas CF, Tainturier DJ, Lareng MB.	Antimicrob Agents Chemother	10.1128/aac.18.6.841	1980
	Cellular fatty acid composition of Haemophilus equigenitalis.	Sugimoto C, Miyagawa E, Mitani K, Nakazawa M, Isayama Y.	J Clin Microbiol	10.1128/jcm.15.5.791-794.1982	1982
	Bacteriological and serological studies of haemophilus equigenitalis, agent of contagious equine metritis.	Tainturier DJ, Delmas CF, Dabernat HJ.	J Clin Microbiol	10.1128/jcm.14.4.355-360.1981	1981
Genetics	Comparative genomic analyses of the Taylorellae.	Hauser H, Richter DC, van Tonder A, Clark L, Preston A	Vet Microbiol	10.1016/j.vetmic.2012.03.041	2012
Enzymology	The structure of the polysaccharide of the lipopolysaccharide produced by Taylorella equigenitalis type strain (ATCC 35865).	Vinogradov E, MacLean LL, Brooks BW, Lutze-Wallace C, Perry MB	Carbohydr Res	10.1016/j.carres.2008.09.015	2008
Genetics	Molecular characterization of intervening sequences in 23S rRNA genes and 23S rRNA fragmentation in Taylorella equigenitalis.	Tazumi A, Sekizuka T, Moore JE, Millar BC, Taneike I, Matsuda M	Folia Microbiol (Praha)	10.1007/s12223-008-0076-0	2009
Phylogeny	Nucleotide sequencing and analysis of 16S rDNA and 16S-23S rDNA internal spacer region (ISR) of Taylorella equigenitalis, as an important pathogen for contagious equine metritis (CEM).	Kagawa S, Nagano Y, Tazumi A, Murayama O, Millar BC, Moore JE, Matsuda M	Vet Res Commun	10.1007/s11259-006-3304-6	2006
Genetics	Detection of a common genotype among strains of Taylorella equigenitalis isolated from thoroughbred horses in Japan between 1994 and 1996.	Matsuda M, Miyazawa T, Anzai T	J Basic Microbiol	10.1002/(sici)1521-4028(199905)39:2<127::aid-jobm127>3.0.co;2-q	1999
Enzymology	Molecular genotyping by pulsed-field gel electrophoresis of restricted genomic DNA of strains of Taylorella equigenitalis isolated in Ireland and in the United States.	Matsuda M, Miyazawa T, Moore JE, Buckley TC, Thomas LA	Vet Res Commun	10.1023/a:1006002212604	1998
Enzymology	Profiles of fragments after pulsed-field gel electrophoresis of cleaved genomic DNA from strains of Taylorella equigenitalis isolated from horses in Norway.	Matsuda M, Miyazawa T, Ishida Y, Moore JE	Microbiol Res	10.1016/S0944-5013(97)80015-8	1997
Genetics	Analysis of chromosome-sized DNA and genome typing of isolated strains of Taylorella equigenitalis.	Matsuda M, Asami Y, Miyazawa T, Samata T, Isayama Y, Honda M, Ide Y	Vet Res Commun	10.1007/BF01839225	1994
Cultivation	The causative organism of contagious equine metritis 1977: proposal for a new species to be known as Haemophilus equigenitalis.	Taylor CE, Rosenthal RO, Brown DF, Lapage SP, Hill LR, Legros RM	Equine Vet J	10.1111/j.2042-3306.1978.tb02242.x	1978

References

#4030	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 10668
#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 )
#20218	Verslyppe, B., De Smet, W., De Baets, B., De Vos, P., Dawyndt P.: StrainInfo introduces electronic passports for microorganisms.. Syst Appl Microbiol. 37: 42 - 50 2014 ( DOI 10.1016/j.syapm.2013.11.002 , PubMed 24321274 )
#37712	; Curators of the CIP;
#45339	Culture Collection University of Gothenburg (CCUG) ; Curators of the CCUG; CCUG 10786
#66792	Julia Koblitz, Joaquim Sardà, Lorenz Christian Reimer, Boyke Bunk, Jörg Overmann: Automatically annotated for the DiASPora project (Digital Approaches for the Synthesis of Poorly Accessible Biodiversity Information) .
#68377	Automatically annotated from API NH .
#68382	Automatically annotated from API zym .
#69479	João F Matias Rodrigues, Janko Tackmann,Gregor Rot, Thomas SB Schmidt, Lukas Malfertheiner, Mihai Danaila,Marija Dmitrijeva, Daniela Gaio, Nicolas Näpflin and Christian von Mering. University of Zurich.: MicrobeAtlas 1.0 beta .
#119120	Collection of Institut Pasteur ; Curators of the CIP; CIP 79.7
#124043	Isabel Schober, Julia Koblitz: Data extracted from sequence databases, automatically matched based on designation and taxonomy .
#125438	Julia Koblitz, Lorenz Christian Reimer, Rüdiger Pukall, Jörg Overmann: Predicting bacterial phenotypic traits through improved machine learning using high-quality, curated datasets. 2024 ( DOI 10.1101/2024.08.12.607695 )
#125439	Philipp Münch, René Mreches, Martin Binder, Hüseyin Anil Gündüz, Xiao-Yin To, Alice McHardy: deepG: Deep Learning for Genome Sequence Data. R package version 0.3.1 .
#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 )

Rate our new design

Content

About us

Taylorella equigenitalis (DSM 10668, ATCC 35865, CIP 7909)

Name and taxonomic classification