Auritidibacter ignavus (DSM 45359, CCUG 57943, JCM 19109)

Name: Auritidibacter ignavus (DSM 45359, CCUG 57943, JCM 19109)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 7792

Type strain

Culture col. no. DSM 45359 CCUG 57943 JCM 19109 IMMIB L-1656

NCBI tax ID(s) 678932

Special Collections DSMZ CCUG JCM Literature strains

History DSMZ <- A. F. Yassin, Inst. Med. Mikrobiol., Univ. Bonn, Germany; IMMIB L-1656 <- Laboratory H. Schmideder, Germany JCM <-- CCUG 57943 <-- A. F. Yassin IMMIB L-1656.

Links

Auritidibacter ignavus DSM 45359 is an aerobe, Gram-positive, motile bacterium that was isolated from ear swab of a man with fulminant otitis externa.

Gram-positive motile rod-shaped aerobe genome sequence 16S sequence Bacteria

Name and taxonomic classification

SI-ID 402569

JCM 19109,DSM 45359,CCUG 57943

@ref 20215

Last LPSN update 2026-05-29 08:26:44

Domain Bacteria

Phylum Actinomycetota

Class Actinomycetes

Order Micrococcales

Family Micrococcaceae

Genus Auritidibacter

Species Auritidibacter ignavus

Full scientific name Auritidibacter ignavus Yassin et al. 2011

BacDive ID	Other strains from **Auritidibacter ignavus** (6)	Type strain
175306	A. ignavus BABAE-1, DSM 117840
175307	A. ignavus BABAE-2, DSM 117841
175308	A. ignavus BABAE-3, DSM 117842
175309	A. ignavus BABAE-4, DSM 117843
175310	A. ignavus BABAE-7, DSM 117844
175311	A. ignavus BABAE-8, DSM 117845

Morphology

Cell morphology

@ref	Gram stain	Cell length	Cell width	Cell shape	Motility	Confidence
29737	positive	2.3 µm	0.45 µm	rod-shaped
125439						92.632

Pigmentation

29737

Productionyes

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
16349	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
16349	TRYPTICASE SOY BROTH AGAR+BLOOD (DSMZ Medium 535a)		Medium recipe at MediaDive	Name: TRYPTICASE SOY BROTH AGAR+BLOOD (DSMZ Medium 535a) Composition: None 50.0 g/l Trypticase soy broth 30.0 g/l Agar 15.0 g/l Distilled water

Culture temp

@ref	Growth	Type	Temperature (°C)
16349	positive	growth	37
29737	positive	growth	10-37
67770	positive	growth	37

Culture pH

@ref	Ability	Type	PH	PH range
29737	positive	optimum	9
29737	positive	growth	7.4-9.0	alkaliphile

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance
29737	aerobe
61530	aerobe

Spore formation

@ref	Spore formation	Confidence
29737
125439		98.108

Halophily

@ref	Salt	Growth	Tested relation	Concentration
29737	NaCl	positive	growth	0-12 %

Observation

67770

Observationquinones: MK-10

Enzymes

@ref	Value	Activity	Ec
29737	alkaline phosphatase	+	3.1.3.1
29737	catalase	+	1.11.1.6
29737	pyrazinamidase	+	3.5.1.B15

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Infection	#Inflammation	-
#Infection	#Patient	-
#Infection	#Patient	#Swab
#Host Body-Site	#Organ	#Ear
#Host	#Human	#Male

Isolation

@ref	Sample type	Host species	Sampling date	Geographic location	Country	Country ISO 3 Code	Continent
16349	ear swab of a man with fulminant otitis externa	Homo sapiens		Bad Orb	Germany	DEU	Europe
61530	Human ear,extern otitis	Homo sapiens	1997-03-01	Bad Orb	Germany	DEU	Europe
67770	Ear swab of a 28-year-old man with fulminant otitis externa	Homo sapiens

Taxonmaps

69479

Global distribution of 16S sequence MK069432 (>99% sequence identity) for Auritidibacter ignavus subclade from Microbeatlas

Aquatic Samples	121
Soil Samples	46
Animal Samples	722
Plant Samples	27
Total Samples	916

Interaction and safety

Risk assessment

@ref	Pathogenicity human	Biosafety level	Biosafety level comment
16349	yes, in single cases	1	Risk group (German classification) According to TRBA 466

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
67770	ASM1175868v1 assembly for Auritidibacter ignavus DSM 45359	contig	GCA_011758685	678932.4	2820977076	678932	73.63
67770	ASM370383v1 assembly for Auritidibacter ignavus IMMIB L-1656	contig	GCA_003703835	678932.3	2831686037	678932	67.43

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
16349	Auritidibacter ignavus partial 16S rRNA gene, type strain IMMIB L-1656T	FN554542	1466		678932
67770	Auritidibacter ignavus strain DSM 45359 16S ribosomal RNA gene, partial sequence	MK069432	1491		678932

GC content

@ref	GC-content (mol%)	Method
16349	59.7	high performance liquid chromatography (HPLC)
29737	59.7
67770	59.23	genome sequence analysis

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: ASM1175868v1 assembly for Auritidibacter ignavus DSM 45359
BV-BRC: 678932.4

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	oxygen_tolerance	BacteriaNetⓘ	facultative anaerobe	89.69	no
125439	gram_stain	BacteriaNetⓘ	positive	76.13	no
125439	motility	BacteriaNetⓘ	no	92.63	no
125439	spore_formation	BacteriaNetⓘ	no	98.11	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Auritidibacter ignavus strain DSM 45359
PATRIC: 678932.4

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	yes	87.48	yes
125438	anaerobic	anaerobicⓘ	no	91.18	no
125438	spore-forming	spore-formingⓘ	no	84.42	yes
125438	aerobic	aerobicⓘ	yes	70.26	no
125438	thermophilic	thermophileⓘ	no	94.97	yes
125438	flagellated	motile2+ⓘ	no	88.00	no

Literature

Topic	Title	Authors	Journal	DOI	Year
	Complete genome sequences of eight Auritidibacter ignavus strains isolated from ear infections in Germany.	Bahr T, Baumhogger A, Geis G, Gatermann S.	Microbiol Resour Announc	10.1128/mra.00666-23	2023
Genetics	Auritidibacter ignavus: an underestimated pathogen?	Atienza MLHG, Gonzalez IG, De Artola DGM, Sanchez LAI.	Diagn Microbiol Infect Dis	10.1016/j.diagmicrobio.2024.116318	2024
	Auritidibacter ignavus in ear discharge of paediatric patients: Two cases reports and literature review.	Gonzalez-Moreno P, Araujo-Sanchez M, Fernandez-Suarez J, Fernandez-Dominguez J, Llorente JL, Zapico-Gonzalez MS.	Enferm Infecc Microbiol Clin (Engl Ed)	10.1016/j.eimce.2024.01.009	2024
	Auritidibacter ignavus, an Emerging Pathogen Associated with Chronic Ear Infections.	Roth S, Linxweiler M, Rehner J, Schmartz GP, Becker SL, Kuhn JP.	Emerg Infect Dis	10.3201/eid3001.230385	2024
	Complete Genome Assembly of an Auritidibacter ignavus Isolate Obtained from an Ear Infection in Switzerland and a Comparison to Global Isolates.	Seth-Smith HMB, Goldenberger D, Bernard KA, Bernier AM, Egli A.	Microbiol Resour Announc	10.1128/mra.00291-19	2019
Phylogeny	Emendation of the Genus Auritidibacter Yassin et al. 2011 and Auritidibacter ignavus Yassin et al. 2011 based on features observed from Canadian and Swiss clinical isolates and whole-genome sequencing analysis.	Bernard KA, Pacheco AL, Burdz T, Wiebe D, Beniac DR, Hiebert SL, Booth TF, Jakopp B, Goldenberger D, Seth-Smith HMB, Egli A, Bernier AM	Int J Syst Evol Microbiol	10.1099/ijsem.0.003719	2020
Phylogeny	Auritidibacter ignavus gen. nov., sp. nov., of the family Micrococcaceae isolated from an ear swab of a man with otitis externa, transfer of the members of the family Yaniellaceae Li et al. 2008 to the family Micrococcaceae and emended description of the suborder Micrococcineae.	Yassin AF, Hupfer H, Siering C, Klenk HP, Schumann P	Int J Syst Evol Microbiol	10.1099/ijs.0.019786-0	2010

References

#16349	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 45359
#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 )
#26119	IJSEM 223 2011 ( DOI 10.1099/ijs.0.019786-0 , PubMed 20190019 )
#29737	Barberan A, Caceres Velazquez H, Jones S, Fierer N.: Hiding in Plain Sight: Mining Bacterial Species Records for Phenotypic Trait Information. mSphere 2: 2017 ( DOI 10.1128/mSphere.00237-17 , PubMed 28776041 ) - originally annotated from #26119
#61530	Culture Collection University of Gothenburg (CCUG) ; Curators of the CCUG; CCUG 57943
#67770	Japan Collection of Microorganism (JCM) ; Curators of the JCM;
#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 .
#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

Auritidibacter ignavus (DSM 45359, CCUG 57943, JCM 19109)

Name and taxonomic classification

Morphology

Cell morphology

Pigmentation

Culture and growth conditions

Culture medium

Culture temp

Culture pH

Physiology and metabolism

Oxygen tolerance

Spore formation

Halophily

Observation

Enzymes

Isolation, sampling and environmental information

Isolation source categories

Isolation

Taxonmaps

Interaction and safety

Risk assessment

Sequence information

Genome sequences

Genome browser: GCA_011758685

16S sequences

GC content

Genome-based predictions

Predictions

Literature

Literature

References

BacDive

Help

Social Media