Williamwhitmania taraxaci (JCM 30888, DSM 100563, A7P-90m)

Name: Williamwhitmania taraxaci (JCM 30888, DSM 100563, A7P-90m)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 140798

Type strain

Strain Designation A7P-90m

Culture col. no. JCM 30888 DSM 100563 A7P-90m

NCBI tax ID(s) 1640674

Special Collections DSMZ JCM Literature strains

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Williamwhitmania taraxaci A7P-90m is an obligate anaerobe, Gram-negative, motile prokaryote that forms circular colonies and was isolated from anoxic water, Lake Untersee.

Gram-negative motile rod-shaped colony-forming obligate anaerobe genome sequence 16S sequence

Name and taxonomic classification

SI-ID 402272

JCM 30888,DSM 100563

@ref 20215

Last LPSN update 2025-12-16 10:03:41

Domain Pseudomonadati

Phylum Bacteroidota

Class Bacteroidia

Order Bacteroidales

Family Williamwhitmaniaceae

Genus Williamwhitmania

Species Williamwhitmania taraxaci

Full scientific name Williamwhitmania taraxaci Pikuta et al. 2017

Morphology

Cell morphology

@ref	Gram stain	Cell length	Cell width	Cell shape	Motility	Flagellum arrangement	Confidence
43577	negative	8-25 µm	0.18-0.3 µm	rod-shaped		gliding
125439	negative						100

Colony morphology

@ref	Colony size	Colony color	Colony shape	Incubation period	Medium used
43577	2-4 mm	White	circular	4-7 days	Agar AM tube rolls

Culture and growth conditions

Culture medium

@ref	Name	Medium link	Composition
43577	Agar AM tube rolls
64903	TREPONEMA SACCHAROPHILUM MEDIUM (DSMZ Medium 323)	Medium recipe at MediaDive	Name: TREPONEMA SACCHAROPHILUM MEDIUM (DSMZ Medium 323) Composition: Agar 12.0 g/l Na2CO3 2.5 g/l D-Glucose 2.0 g/l Trypticase peptone 2.0 g/l Yeast extract 2.0 g/l L-Cysteine HCl x H2O 1.0 g/l (NH4)2SO4 0.9 g/l NaCl 0.9 g/l KH2PO4 0.45 g/l K2HPO4 0.45 g/l MgSO4 x 7 H2O 0.19 g/l CaCl2 x 2 H2O 0.12 g/l Sodium resazurin 0.0005 g/l n-Butyric acid iso-Butyric acid DL-2-Methylbutyric acid n-Valeric acid iso-Valeric acid Distilled water
43577	Blood agar

Culture temp

@ref	Growth	Type	Temperature (°C)	Range
43577	positive	growth	3-26
43577	positive	optimum	22-23	psychrophilic
64903	positive	growth	20	psychrophilic
67770	positive	growth	20	psychrophilic

Culture pH

@ref	Ability	Type	PH
43577	positive	optimum	6.9
43577	positive	growth	5.5-7.8

Physiology and metabolism

Oxygen tolerance

43577

Oxygen toleranceobligate anaerobe

Spore formation

@ref	Spore formation	Confidence
43577
125439		100

Halophily

@ref	Salt	Growth	Tested relation	Concentration
43577	NaCl	positive	growth	0-2 %(w/v)
43577	NaCl	positive	optimum	0.5 %(w/v)

Observation

67770

Observationquinones: MK-7

Metabolite utilization

@ref	Chebi-ID	Metabolite	Utilization activity	Kind of utilization tested
43577	30089 ChEBI	acetate	-	growth
43577	15347 ChEBI	acetone	-	growth
43577	17750 ChEBI	betaine	-	growth
43577	17968 ChEBI	butyrate	-	growth
43577		casamino acids	+	growth
43577		casein	+	hydrolysis
43577	17057 ChEBI	cellobiose	-	growth
43577	17029 ChEBI	chitin	-	growth
43577	16947 ChEBI	citrate	-	growth
43577	3815 ChEBI	collagen	-	growth
43577	15570 ChEBI	D-alanine	-	growth
43577	17108 ChEBI	D-arabinose	-	growth
43577	29990 ChEBI	D-aspartate	-	growth
43577	15824 ChEBI	D-fructose	-	growth
43577	28847 ChEBI	D-fucose	-	growth
43577	12936 ChEBI	D-galactose	-	growth
43577	17634 ChEBI	D-glucose	-	growth
43577	27947 ChEBI	D-histidine	-	growth
43577	28225 ChEBI	D-leucine	-	growth
43577	16899 ChEBI	D-mannitol	-	growth
43577	16024 ChEBI	D-mannose	-	growth
43577	16867 ChEBI	D-methionine	-	growth
43577	16313 ChEBI	D-proline	-	growth
43577	16988 ChEBI	D-ribose	-	growth
43577	16523 ChEBI	D-serine	-	growth
43577	16398 ChEBI	D-threonine	-	growth
43577	16296 ChEBI	D-tryptophan	-	growth
43577	16236 ChEBI	ethanol	-	growth
43577	15740 ChEBI	formate	-	growth
43577	29806 ChEBI	fumarate	-	growth
43577	5291 ChEBI	gelatin	+	growth
43577	17754 ChEBI	glycerol	-	growth
43577	15428 ChEBI	glycine	-	growth
43577	24741 ChEBI	hydroxyproline	-	growth
43577	16977 ChEBI	L-alanine	-	growth
43577	16467 ChEBI	L-arginine	-	growth
43577	17196 ChEBI	L-asparagine	-	growth
43577	29991 ChEBI	L-aspartate	-	growth
43577	17561 ChEBI	L-cysteine	-	growth
43577	16283 ChEBI	L-cystine	-	growth
43577	29985 ChEBI	L-glutamate	-	growth
43577	18050 ChEBI	L-glutamine	-	growth
43577	15971 ChEBI	L-histidine	-	growth
43577	17191 ChEBI	L-isoleucine	-	growth
43577	15603 ChEBI	L-leucine	-	growth
43577	18019 ChEBI	L-lysine	-	growth
43577	16643 ChEBI	L-methionine	-	growth
43577	17295 ChEBI	L-phenylalanine	-	growth
43577	17203 ChEBI	L-proline	-	growth
43577	17115 ChEBI	L-serine	-	growth
43577	16857 ChEBI	L-threonine	-	growth
43577	16828 ChEBI	L-tryptophan	-	growth
43577	17895 ChEBI	L-tyrosine	-	growth
43577	16414 ChEBI	L-valine	-	growth
43577	24996 ChEBI	lactate	-	growth
43577	17716 ChEBI	lactose	-	growth
43577	17306 ChEBI	maltose	-	growth
43577		meat extract	+	growth
43577	17790 ChEBI	methanol	-	growth
43577	506227 ChEBI	N-acetylglucosamine	-	growth
43577	17632 ChEBI	nitrate	+	reduction
43577	16301 ChEBI	nitrite	+	reduction
43577		peptone	+	growth
43577	17272 ChEBI	propionate	-	growth
43577	15361 ChEBI	pyruvate	-	growth
43577	17992 ChEBI	sucrose	-	growth
43577	27082 ChEBI	trehalose	-	growth
43577	35026 ChEBI	triethylamine	-	growth
43577	18139 ChEBI	trimethylamine	-	growth
43577		tryptone	+	growth
43577	18222 ChEBI	xylose	-	growth
43577		yeast extract	+	growth

Antibiotic resistance

@ref	ChEBI	Metabolite	Sensitivity conc.
43577	28971	ampicillin	250 µg/mL
43577	17698	chloramphenicol	125 µg/mL
43577	17833	gentamicin	250 µg/mL
43577	6104	kanamycin	250 µg/mL
43577	28077	rifampicin	250 µg/mL
43577	27902	tetracycline	250 µg/mL

Metabolite production

@ref	Chebi-ID	Metabolite	Production
43577	16136 ChEBI	hydrogen sulfide
43577	35581 ChEBI	indole

Enzymes

@ref	Value	Activity	Ec
43577	catalase	-	1.11.1.6

Pathway annotation

Computationally determined by

@ref	pathway	enzyme coverage	annotated reactions
66794	vitamin K metabolism	100	5 of 5
66794	lipoate biosynthesis	100	5 of 5
66794	glycogen metabolism	100	5 of 5
66794	starch degradation	100	10 of 10
66794	cis-vaccenate biosynthesis	100	2 of 2
66794	palmitate biosynthesis	100	22 of 22
66794	coenzyme A metabolism	100	4 of 4
66794	sulfopterin metabolism	100	4 of 4
66794	CDP-diacylglycerol biosynthesis	100	2 of 2
66794	UDP-GlcNAc biosynthesis	100	3 of 3
66794	suberin monomers biosynthesis	100	2 of 2
66794	ceramide biosynthesis	100	1 of 1
66794	folate polyglutamylation	100	1 of 1
66794	adipate degradation	100	2 of 2
66794	anapleurotic synthesis of oxalacetate	100	1 of 1
66794	ppGpp biosynthesis	100	4 of 4
66794	C4 and CAM-carbon fixation	100	8 of 8
66794	vitamin B6 metabolism	90.91	10 of 11
66794	aspartate and asparagine metabolism	88.89	8 of 9
66794	CO2 fixation in Crenarchaeota	88.89	8 of 9
66794	NAD metabolism	88.89	16 of 18
66794	chorismate metabolism	88.89	8 of 9
66794	gluconeogenesis	87.5	7 of 8
66794	photosynthesis	85.71	12 of 14
66794	propanol degradation	85.71	6 of 7
66794	tetrahydrofolate metabolism	85.71	12 of 14
66794	cellulose degradation	80	4 of 5
66794	methylglyoxal degradation	80	4 of 5
66794	flavin biosynthesis	80	12 of 15
66794	hydrogen production	80	4 of 5
66794	peptidoglycan biosynthesis	80	12 of 15
66794	alanine metabolism	79.31	23 of 29
66794	glutamate and glutamine metabolism	78.57	22 of 28
66794	d-mannose degradation	77.78	7 of 9
66794	lipid A biosynthesis	77.78	7 of 9
66794	glycolysis	76.47	13 of 17
66794	6-hydroxymethyl-dihydropterin diphosphate biosynthesis	75	6 of 8
66794	biotin biosynthesis	75	3 of 4
66794	butanoate fermentation	75	3 of 4
66794	glycogen biosynthesis	75	3 of 4
66794	CMP-KDO biosynthesis	75	3 of 4
66794	acetate fermentation	75	3 of 4
66794	pyrimidine metabolism	73.33	33 of 45
66794	purine metabolism	72.34	68 of 94
66794	reductive acetyl coenzyme A pathway	71.43	5 of 7
66794	citric acid cycle	71.43	10 of 14
66794	cardiolipin biosynthesis	71.43	5 of 7
66794	threonine metabolism	70	7 of 10
66794	propionate fermentation	70	7 of 10
66794	phenylalanine metabolism	69.23	9 of 13
66794	histidine metabolism	68.97	20 of 29
66794	(5R)-carbapenem carboxylate biosynthesis	66.67	2 of 3
66794	serine metabolism	66.67	6 of 9
66794	enterobactin biosynthesis	66.67	2 of 3
66794	octane oxidation	66.67	2 of 3
66794	acetyl CoA biosynthesis	66.67	2 of 3
66794	acetoin degradation	66.67	2 of 3
66794	L-lactaldehyde degradation	66.67	2 of 3
66794	molybdenum cofactor biosynthesis	66.67	6 of 9
66794	formaldehyde oxidation	66.67	2 of 3
66794	lipid metabolism	64.52	20 of 31
66794	tryptophan metabolism	63.16	24 of 38
66794	isoleucine metabolism	62.5	5 of 8
66794	dTDPLrhamnose biosynthesis	62.5	5 of 8
66794	urea cycle	61.54	8 of 13
66794	isoprenoid biosynthesis	61.54	16 of 26
66794	coenzyme M biosynthesis	60	6 of 10
66794	glycine betaine biosynthesis	60	3 of 5
66794	lysine metabolism	57.14	24 of 42
66794	ubiquinone biosynthesis	57.14	4 of 7
66794	d-xylose degradation	54.55	6 of 11
66794	dolichyl-diphosphooligosaccharide biosynthesis	54.55	6 of 11
66794	non-pathway related	52.63	20 of 38
66794	degradation of sugar alcohols	50	8 of 16
66794	Entner Doudoroff pathway	50	5 of 10
66794	aminopropanol phosphate biosynthesis	50	1 of 2
66794	ethanol fermentation	50	1 of 2
66794	kanosamine biosynthesis II	50	1 of 2
66794	cysteine metabolism	50	9 of 18
66794	toluene degradation	50	2 of 4
66794	selenocysteine biosynthesis	50	3 of 6
66794	methionine metabolism	50	13 of 26
66794	vitamin B1 metabolism	46.15	6 of 13
66794	proline metabolism	45.45	5 of 11
66794	oxidative phosphorylation	45.05	41 of 91
66794	arginine metabolism	41.67	10 of 24
66794	degradation of aromatic, nitrogen containing compounds	41.67	5 of 12
66794	factor 420 biosynthesis	40	2 of 5
66794	metabolism of amino sugars and derivatives	40	2 of 5
66794	4-hydroxyphenylacetate degradation	40	4 of 10
66794	glycine metabolism	40	4 of 10
66794	arachidonate biosynthesis	40	2 of 5
66794	leucine metabolism	38.46	5 of 13
66794	phenylpropanoid biosynthesis	38.46	5 of 13
66794	sulfate reduction	38.46	5 of 13
66794	ketogluconate metabolism	37.5	3 of 8
66794	pentose phosphate pathway	36.36	4 of 11
66794	metabolism of disaccharids	36.36	4 of 11
66794	tyrosine metabolism	35.71	5 of 14
66794	glutathione metabolism	35.71	5 of 14
66794	vitamin B12 metabolism	35.29	12 of 34
66794	cyanate degradation	33.33	1 of 3
66794	valine metabolism	33.33	3 of 9
66794	sphingosine metabolism	33.33	2 of 6
66794	glycolate and glyoxylate degradation	33.33	2 of 6
66794	IAA biosynthesis	33.33	1 of 3
66794	pantothenate biosynthesis	33.33	2 of 6
66794	4-hydroxymandelate degradation	33.33	3 of 9
66794	1,4-dihydroxy-6-naphthoate biosynthesis	33.33	2 of 6
66794	degradation of pentoses	32.14	9 of 28
66794	androgen and estrogen metabolism	31.25	5 of 16
66794	polyamine pathway	30.43	7 of 23
66794	myo-inositol biosynthesis	30	3 of 10
66794	aclacinomycin biosynthesis	28.57	2 of 7
66794	mevalonate metabolism	28.57	2 of 7
66794	degradation of hexoses	27.78	5 of 18
66794	carotenoid biosynthesis	27.27	6 of 22
66794	ascorbate metabolism	27.27	6 of 22
66794	3-phenylpropionate degradation	26.67	4 of 15
66794	cyclohexanol degradation	25	1 of 4
66794	lactate fermentation	25	1 of 4
66794	carnitine metabolism	25	2 of 8
66794	phosphatidylethanolamine bioynthesis	23.08	3 of 13
66794	arachidonic acid metabolism	22.22	4 of 18
66794	allantoin degradation	22.22	2 of 9
66794	heme metabolism	21.43	3 of 14

Fatty acid profile

Metadata FA analysis

@ref

43577

Fatty acid	Percentage
C15:1 iso G	29.1
C16:1ω7c / C16:1ω6c	17.3
C15:0 iso	13.9
C17:0 iso 3OH	8.8
C16:0 iso 3OH	7.6
C15:0 iso 3OH	5.4
C14:0 iso	2.8
C15:1 anteiso A	2.8
C16:0 iso	2.7
C15:0 anteiso	2.7
iso-C16:1G	2.5
C14:0 iso 3OH	1.1
C15:0 2OH	1.1

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Condition	#Anoxic (anaerobic)	-
#Environmental	#Aquatic	#Lake (large)

Isolation

@ref	Sample type	Geographic location	Country	Country ISO 3 Code	Continent	Latitude	Longitude
43577	anoxic water, Lake Untersee	Lake Untersee	Antarctica	ATA	Australia and Oceania
64903	anoxic lake water collected from a depth of 90m	Lake Untersee (71° 20' S 13° 27' E)	Antarctica	ATA	Australia and Oceania	-71.3333	13.45 -71.3333/13.45
67770	Lake Untersee		Antarctica	ATA	Antarctica

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
64903	1	Risk group (German classification)

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
67770	IMG-taxon 2654588148 annotated assembly for Williamwhitmania taraxaci A7P-90m	scaffold	GCA_900096565	1855401.3	2654588148	1640674	38.11

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
64903	Williamwhitmania taraxaci strain A7P-90m 16S ribosomal RNA gene, partial sequence	KR072685	1390		1640674

GC content

@ref	GC-content (mol%)	Method
64903	42.6	sequence analysis
67770	42.6	genome sequence analysis

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: Williamwhitmania taraxaci A7P-90m
NCBI: GCA_900096565

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	spore_formation	BacteriaNetⓘ	no	100.00	no
125439	motility	BacteriaNetⓘ	no	60.60	no
125439	gram_stain	BacteriaNetⓘ	negative	100.00	no
125439	oxygen_tolerance	BacteriaNetⓘ	anaerobe	87.50	no

Literature

Topic	Title	Authors	Journal	DOI	Year
Phylogeny	Williamwhitmania taraxaci gen. nov., sp. nov., a proteolytic anaerobe with a novel type of cytology from Lake Untersee in Antarctica, description of Williamwhitmaniaceae fam. nov., and emendation of the order Bacteroidales Krieg 2012.	Pikuta EV, Lyu Z, Hoover RB, Liu Y, Patel NB, Busse HJ, Lawson PA	Int J Syst Evol Microbiol	10.1099/ijsem.0.002266	2017

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 )
#43577	Elena V. Pikuta, Zhe Lyu, Richard B. Hoover, Yuchen Liu, Nisha B. Patel, Hans J. Busse, Paul A. Lawson: Williamwhitmania taraxaci gen. nov., sp. nov., a proteolytic anaerobe with a novel type of cytology from Lake Untersee in Antarctica, description of Williamwhitmaniaceae fam. nov., and emendation of the order Bacteroidales Krieg 2012. IJSEM 67: 4132 - 4145 2017 ( DOI 10.1099/ijsem.0.002266 , PubMed 28905708 )
#64903	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 100563
#66794	Antje Chang, Lisa Jeske, Sandra Ulbrich, Julia Hofmann, Julia Koblitz, Ida Schomburg, Meina Neumann-Schaal, Dieter Jahn, Dietmar Schomburg: BRENDA, the ELIXIR core data resource in 2021: new developments and updates. Nucleic Acids Res. 49: D498 - D508 2020 ( DOI 10.1093/nar/gkaa1025 , PubMed 33211880 )
#67770	Japan Collection of Microorganism (JCM) ; Curators of the JCM;
#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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Williamwhitmania taraxaci (JCM 30888, DSM 100563, A7P-90m)

Name and taxonomic classification

Morphology

Cell morphology

Colony morphology

Culture and growth conditions

Culture medium

Culture temp

Culture pH

Physiology and metabolism

Oxygen tolerance

Spore formation

Halophily

Observation

Metabolite utilization

Antibiotic resistance

Metabolite production

Enzymes

Pathway annotation

Fatty acid profile?

Isolation, sampling and environmental information

Isolation source categories

Isolation

Interaction and safety

Risk assessment

Sequence information

Genome sequences

Genome browser: GCA_900096565

16S sequences

GC content

Genome-based predictions

Predictions

Literature

Literature

References

BacDive

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Fatty acid profile