Acholeplasma equirhinis (DSM 106692, NCTC 14351, N93)

Name: Acholeplasma equirhinis (DSM 106692, NCTC 14351, N93)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 159212

Type strain

Strain Designation N93

Culture col. no. DSM 106692 NCTC 14351 N93 ATCC TSD-139

NCBI tax ID(s) 555393

Special Collections DSMZ Literature strains

History DSMZ <- D. V. Volokhov, Dept. LMD, Center for Biologics Evaluation and Research; N93 <- R. M. Lemcke and D. V. Volokhov

Links

Acholeplasma equirhinis N93 is a facultative anaerobe bacterium that forms fried-egg-shaped colonies and was isolated from nasopharyngeal swab of a horse.

colony-forming facultative anaerobe genome sequence 16S sequence Bacteria

Name and taxonomic classification

SI-ID 401171

NCTC 14351,ATCC TSD-139,DSM 106692

@ref 20215

Last LPSN update 2026-05-29 08:44:08

Domain Bacteria

Phylum Mycoplasmatota

Class Mollicutes

Order Acholeplasmatales

Family Acholeplasmataceae

Genus Acholeplasma

Species Acholeplasma equirhinis

Full scientific name Acholeplasma equirhinis Volokhov et al. 2020

Morphology

Cell morphology

@ref	Motility	Confidence
125438		90.5

Colony morphology

@ref	Colony size	Colony shape	Incubation period	Medium used
68267	1 mm	fried-egg-shaped	5-7 days	PPLO agar

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
66035	SP4-Z MEDIUM (DSMZ Medium 1076b)		Medium recipe at MediaDive	Name: SP4-Z MEDIUM (DSMZ Medium 1076b) Composition: Agar 10.0 g/l Tryptone 10.0 g/l Bacto peptone 5.0 g/l PPLO broth 3.5 g/l Urea 2.0 g/l Glucose 1.0 g/l None 1.0 g/l Yeast extract 0.4 g/l DNA 0.2 g/l CMRL 1066 Fetal bovine serum Swine serum Distilled water

Culture temp

@ref	Growth	Type	Temperature (°C)
66035	positive	growth	35
68267	positive	growth	22-41
68267	positive	optimum	35-37

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
68267	facultative anaerobe
125439	obligate aerobe	95.835

Spore formation

@ref	Spore formation	Confidence
125439		96.04

Observation

@ref	Observation
68267	Bacterial cells lack a cell wall
68267	Serum or sterol is required for sustained growth

Metabolite utilization

@ref	Chebi-ID	Metabolite	Utilization activity	Kind of utilization tested
68267	29016 ChEBI	arginine	-	hydrolysis
68267	17234 ChEBI	glucose	+	builds acid from
68267	16199 ChEBI	urea	-	hydrolysis

Antibiotic resistance

@ref	ChEBI	Metabolite	Is resistant	Resistance conc.
68267	18208	penicillin g		1.5-2.0 g/L

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Host	#Mammals	#Equidae (Horse)
#Host Body-Site	#Organ	#Nose
#Infection	#Patient	#Swab

Isolation

@ref	Sample type	Country	Country ISO 3 Code	Continent	Enrichment culture	Enrichment culture composition	Enrichment culture duration	Enrichment culture temperature	Latitude	Longitude
66035	nasopharyngeal swab of a horse	United Kingdom	GBR	Europe					55.3618	-3.4433 55.3618/-3.4433
68267	nasopharynx of a thoroughbred horse (Equus caballus)	United Kingdom	GBR	Europe	PPLO broth	containing glucose and penicillin (1.5-2 mg/mL)	1-2 weeks	36

Interaction and safety

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
66792	ASM1705265v1 assembly for Acholeplasma equirhinis N93	contig	GCA_017052655	555393.3	8002328373	555393	76.66

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
66035	Acholeplasma equirhinis strain N93 16S ribosomal RNA gene and 16S-23S ribosomal RNA intergenic spacer, partial sequence	EU925159	1546		555393

GC content

@ref	GC-content (mol%)	Method
68267	36.83	high performance liquid chromatography (HPLC)

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: ASM1705265v1 assembly for Acholeplasma equirhinis N93
NCBI: GCA_017052655

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	oxygen_tolerance	BacteriaNetⓘ	obligate aerobe	95.84	no
125439	motility	BacteriaNetⓘ	no	66.27	no
125439	gram_stain	BacteriaNetⓘ	negative	69.11	no
125439	spore_formation	BacteriaNetⓘ	no	96.04	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Acholeplasma equirhinis N93
NCBI: GCA_017052655.1

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	yes	63.44	no
125438	anaerobic	anaerobicⓘ	no	77.52	yes
125438	aerobic	aerobicⓘ	no	92.57	no
125438	spore-forming	spore-formingⓘ	no	80.41	no
125438	thermophilic	thermophileⓘ	no	94.91	no
125438	flagellated	motile2+ⓘ	no	90.50	no

Literature

Topic	Title	Authors	Journal	DOI	Year
	Notification List of Bacterial Strains Made Available by the United Kingdom National Collection of Type Cultures in 2021.	Turnbull JD, Dicks J, Gurung S, McGregor H, NCTC 2021 Depositors Cohort, Alexander S.	Microbiol Resour Announc	10.1128/mra.00357-22	2022
Phylogeny	Acholeplasma equirhinis sp. nov. isolated from respiratory tract of horse (Equus caballus) and Mycoplasma procyoni sp. nov. isolated from oral cavity of raccoon (Procyon lotor).	Volokhov DV, Gao Y, Davidson MK, Chizhikov VE	Arch Microbiol	10.1007/s00203-019-01786-x	2019

References

#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 )
#66035	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 106692
#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) .
#68267	Dmitriy V. Volokhov, Yamei Gao, Maureen K. Davidson & Vladimir E. Chizhikov: Acholeplasma equirhinis sp. nov. isolated from respiratory tract of horse (Equus caballus) and Mycoplasma procyoni sp. nov. isolated from oral cavity of raccoon (Procyon lotor). Arch Microbiol 202: 411 - 420 2020 ( DOI 10.1007/s00203-019-01786-x )
#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 )

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Acholeplasma equirhinis (DSM 106692, NCTC 14351, N93)

Name and taxonomic classification

Morphology

Cell morphology

Colony morphology

Culture and growth conditions

Culture medium

Culture temp

Physiology and metabolism

Oxygen tolerance

Spore formation

Observation

Metabolite utilization

Antibiotic resistance

Isolation, sampling and environmental information

Isolation source categories

Isolation

Interaction and safety

Sequence information

Genome sequences

Genome browser: GCA_017052655

16S sequences

GC content

Genome-based predictions

Predictions

Literature

Literature

References

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