Youngiibacter fragilis (DSM 24749, ATCC BAA-2257, 232.1)

Name: Youngiibacter fragilis (DSM 24749, ATCC BAA-2257, 232.1)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 23863

Type strain

Strain Designation 232.1

Culture col. no. DSM 24749 ATCC BAA-2257 232.1

NCBI tax ID(s) 1408819

Special Collections DSMZ

History DSMZ <- T. Allen, Dept. Botany and Microbiol., Univ. Oklahoma, USA; strain 232.1 <- B. Wawrik {2010}

Links

Youngiibacter fragilis 232.1 is an anaerobe bacterium that was isolated from natural gas production water.

anaerobe genome sequence 16S sequence Bacteria

Name and taxonomic classification

SI-ID 405930

ATCC BAA-2257,DSM 24749

@ref 20215

Last LPSN update 2026-05-29 08:30:30

Domain Bacteria

Phylum Bacillota

Class Clostridia

Order Eubacteriales

Family Clostridiaceae

Genus Youngiibacter

Species Youngiibacter fragilis

Full scientific name Youngiibacter fragilis Lawson et al. 2014

Morphology

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
21300	PY + X MEDIUM (DSMZ Medium 104b)		Medium recipe at MediaDive	Name: PY + X MEDIUM (DSMZ Medium 104b; with strain-specific modifications) Composition: NaCl 10.0 g/l Yeast extract 10.0 g/l D-Fructose 5.0 g/l Trypticase peptone 5.0 g/l Meat peptone 5.0 g/l L-Cysteine HCl x H2O 0.5 g/l NaHCO3 0.4 g/l KH2PO4 0.04 g/l K2HPO4 0.04 g/l MgSO4 x 7 H2O 0.02 g/l CaCl2 x 2 H2O 0.01 g/l Sodium resazurin 0.0005 g/l Distilled water

Culture temp

@ref	Growth	Type	Temperature (°C)
21300	positive	growth	30

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
21300	anaerobe
125439	obligate anaerobe	98.115

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2
#Environmental	-
#Environmental	#Aquatic

Isolation

@ref	Sample type	Geographic location	Country	Country ISO 3 Code	Continent
21300	natural gas production water	Alaska, Cook Inlet, Beluga River field	USA	USA	North America

Taxonmaps

69479

Global distribution of 16S sequence JF262039 (>99% sequence identity) for Youngiibacter fragilis from Microbeatlas

Aquatic Samples	52
Soil Samples	23
Animal Samples	17
Plant Samples	5
Total Samples	97

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
21300	1	Risk group (German classification)

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
66792	ASM49543v3 assembly for Youngiibacter fragilis 232.1	scaffold	GCA_000495435	994573.51	2582580929	994573	25.47

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
21300	Youngiibacter fragilis 232.1 16S ribosomal RNA gene, partial sequence	JF262039	1442		994573

GC content

@ref	GC-content (mol%)	Method
21300	45.5	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: ASM49543v3 assembly for Youngiibacter fragilis 232.1
NCBI: GCA_000495435

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	oxygen_tolerance	BacteriaNetⓘ	obligate anaerobe	98.12	no
125439	motility	BacteriaNetⓘ	yes	69.76	no
125439	gram_stain	BacteriaNetⓘ	variable	66.26	no
125439	spore_formation	BacteriaNetⓘ	yes	62.01	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Youngiibacter fragilis 232.1 232.1
NCBI: GCA_000495435.3

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	yes	73.40	no
125438	anaerobic	anaerobicⓘ	yes	73.79	no
125438	aerobic	aerobicⓘ	no	90.07	yes
125438	spore-forming	spore-formingⓘ	yes	52.80	no
125438	thermophilic	thermophileⓘ	no	89.99	yes
125438	flagellated	motile2+ⓘ	no	69.74	no

Literature

Topic	Title	Authors	Journal	DOI	Year
Phylogeny	Proteiniclasticum aestuarii sp. nov., isolated from tidal flat sediment, and emended descriptions of the genus Proteiniclasticum and Proteiniclasticum ruminis.	Namirimu T, Yang JA, Yang SH, Yu J, Kim YJ, Kwon KK	Int J Syst Evol Microbiol	10.1099/ijsem.0.005275	2022
Phylogeny	Youngiibacter fragilis gen. nov., sp. nov., isolated from natural gas production-water and reclassification of Acetivibrio multivorans as Youngiibacter multivorans comb. nov.	Lawson PA, Wawrik B, Allen TD, Johnson CN, Marks CR, Tanner RS, Harriman BH, Strapoc D, Callaghan AV	Int J Syst Evol Microbiol	10.1099/ijs.0.053728-0	2013

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 )
#21300	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 24749
#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) .
#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 )

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Youngiibacter fragilis (DSM 24749, ATCC BAA-2257, 232.1)

Name and taxonomic classification

Morphology

Culture and growth conditions

Culture medium

Culture temp

Physiology and metabolism

Oxygen tolerance

Isolation, sampling and environmental information

Isolation source categories

Isolation

Taxonmaps

Interaction and safety

Risk assessment

Sequence information

Genome sequences

Genome browser: GCA_000495435

16S sequences

GC content

Genome-based predictions

Predictions

Literature

Literature

References

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