Spirosoma knui (JCM 31407, KCTC 52510, 15J8-12)

Name: Spirosoma knui (JCM 31407, KCTC 52510, 15J8-12)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 140567

Type strain

Strain Designation 15J8-12

Culture col. no. JCM 31407 KCTC 52510 15J8-12

NCBI tax ID(s) 1837376

Special Collections JCM KCTC Literature strains

Links

Spirosoma knui 15J8-12 is an aerobe, mesophilic, Gram-negative prokaryote that forms circular colonies and was isolated from fresh water sample collected from the Han River.

Gram-negative rod-shaped colony-forming aerobe mesophilic 16S sequence

Name and taxonomic classification

SI-ID 27457

KCTC 52510,JCM 31407

@ref 20215

Last LPSN update 2025-12-16 10:03:38

Domain Pseudomonadati

Phylum Bacteroidota

Class Cytophagia

Order Cytophagales

Family Spirosomataceae

Genus Spirosoma

Species Spirosoma knui

Full scientific name Spirosoma knui Lee et al. 2017

Morphology

Cell morphology

@ref	Gram stain	Cell length	Cell width	Cell shape	Motility
43212	negative	1.1-6.5 µm	0.8-1.0 µm	rod-shaped

Colony morphology

@ref	Colony color	Colony shape	Incubation period	Medium used
43212	yellowish	circular	3 days	R2A agar

Culture and growth conditions

Culture medium

@ref	Name	Growth
43212	Reasoner's 2A agar (R2A)
43212	LB (Luria-Bertani) MEDIUM
43212	TSA agar

Culture temp

@ref	Growth	Type	Temperature (°C)	Range
43212	positive	growth	37	mesophilic
43212	positive	growth	30	mesophilic
43212	inconsistent	growth	10
67770	positive	growth	25	mesophilic

Culture pH

@ref	Ability	Type	PH	PH range
43212	positive	growth	5-9	alkaliphile

Physiology and metabolism

Oxygen tolerance

43212

Oxygen toleranceaerobe

Spore formation

43212

Spore formationno

Halophily

@ref	Salt	Growth	Tested relation	Concentration
43212	NaCl	positive	growth	0-1 %(w/v)

Metabolite utilization

@ref	Metabolite	Utilization activity	Kind of utilization tested
43212	2-oxogluconate	-	assimilation
43212	2-oxogluconate	-	builds acid from
43212	3-hydroxybenzoate	-	assimilation
43212	3-hydroxybutyrate	-	assimilation
43212	4-hydroxybenzoate	-	assimilation
43212	5-dehydro-D-gluconate	-	assimilation
43212	5-dehydro-D-gluconate	-	builds acid from
43212	acetate	-	assimilation
43212	adipate	-	assimilation
43212	amygdalin	+	builds acid from
43212	arbutin	+	builds acid from
43212	cellobiose	+	builds acid from
43212	citrate	-	assimilation
43212	D-arabinose	+/-	builds acid from
43212	D-arabitol	-	builds acid from
43212	D-fructose	-	builds acid from
43212	D-fucose	-	builds acid from
43212	D-galactose	+	builds acid from
43212	D-glucose	+	assimilation
43212	D-mannitol	-	assimilation
43212	D-mannitol	-	builds acid from
43212	D-mannose	+	assimilation
43212	D-mannose	+	builds acid from
43212	D-ribose	-	assimilation
43212	D-ribose	-	builds acid from
43212	D-sorbitol	-	assimilation
43212	D-sorbitol	-	builds acid from
43212	D-tagatose	-	builds acid from
43212	D-trehalose	+	builds acid from
43212	D-xylose	+/-	builds acid from
43212	decanoate	-	assimilation
43212	erythritol	-	builds acid from
43212	esculin	+	hydrolysis
43212	esculin	+	builds acid from
43212	galactitol	-	builds acid from
43212	gelatin	-	hydrolysis
43212	gentiobiose	+	builds acid from
43212	gluconate	-	assimilation
43212	glucose	-	fermentation
43212	glycerol	-	builds acid from
43212	glycogen	-	assimilation
43212	glycogen	+	builds acid from
43212	inulin	+	builds acid from
43212	itaconate	-	assimilation
43212	L-alanine	-	assimilation
43212	L-arabinose	-	assimilation
43212	L-arabinose	+/-	builds acid from
43212	L-arabitol	-	builds acid from
43212	L-fucose	-	assimilation
43212	L-fucose	-	builds acid from
43212	L-histidine	-	assimilation
43212	L-malate	-	assimilation
43212	L-proline-4-nitroanilide	-	assimilation
43212	L-rhamnose	-	assimilation
43212	L-rhamnose	-	builds acid from
43212	L-serine	-	assimilation
43212	L-sorbose	-	builds acid from
43212	L-xylose	-	builds acid from
43212	lactate	-	assimilation
43212	lactose	+	builds acid from
43212	malonate	-	assimilation
43212	maltose	+	assimilation
43212	maltose	+	builds acid from
43212	melezitose	-	builds acid from
43212	melibiose	+	assimilation
43212	melibiose	+	builds acid from
43212	methyl alpha-D-glucopyranoside	+	builds acid from
43212	methyl alpha-D-mannoside	+	builds acid from
43212	methyl beta-D-xylopyranoside	-	builds acid from
43212	myo-inositol	-	assimilation
43212	myo-inositol	-	builds acid from
43212	N-acetylglucosamine	+	assimilation
43212	N-acetylglucosamine	+	builds acid from
43212	nitrate	-	reduction
43212	phenylacetate	-	assimilation
43212	potassium gluconate	-	builds acid from
43212	propionate	-	assimilation
43212	raffinose	+	builds acid from
43212	ribitol	-	builds acid from
43212	salicin	+	assimilation
43212	salicin	+	builds acid from
43212	starch	+/-	builds acid from
43212	suberic acid	-	assimilation
43212	sucrose	+	assimilation
43212	sucrose	+	builds acid from
43212	turanose	+	builds acid from
43212	urea	-	hydrolysis
43212	valerate	-	assimilation
43212	xylitol	-	builds acid from

Metabolite production

@ref	Chebi-ID	Metabolite	Production
43212	35581 ChEBI	indole

Enzymes

@ref	Value	Activity	Ec
43212	acid phosphatase	+	3.1.3.2
43212	alkaline phosphatase	+	3.1.3.1
43212	alpha-chymotrypsin	-	3.4.21.1
43212	alpha-fucosidase	-	3.2.1.51
43212	alpha-galactosidase	+	3.2.1.22
43212	alpha-glucosidase	+	3.2.1.20
43212	alpha-mannosidase	+	3.2.1.24
43212	arginine dihydrolase	-	3.5.3.6
43212	beta-galactosidase	+	3.2.1.23
43212	beta-glucosidase	+	3.2.1.21
43212	beta-glucuronidase	-	3.2.1.31
43212	catalase	+	1.11.1.6
43212	cystine arylamidase	+	3.4.11.3
43212	cytochrome oxidase	+	1.9.3.1
43212	esterase (C 4)	+/-
43212	esterase Lipase (C 8)	+/-
43212	leucine arylamidase	+	3.4.11.1
43212	lipase (C 14)	-
43212	N-acetyl-beta-glucosaminidase	+	3.2.1.52
43212	naphthol-AS-BI-phosphohydrolase	+
43212	trypsin	+	3.4.21.4
43212	urease	-	3.5.1.5
43212	valine arylamidase	+

Fatty acid profile

Metadata FA analysis

@ref

43212

Fatty acid	Percentage
C16:1ω7c / C16:1ω6c	40.5
C16:1ω5c	35.3
C15:0 iso	6.9
C16:0	6.8
C15:0 anteiso	2.6
C13:1 at 12-13	2.1
C18:0	2
C14:0	1.3
C17:0 iso 3OH	1

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Environmental	#Aquatic	#Freshwater
#Environmental	#Aquatic	#River (Creek)

Isolation

@ref	Sample type	Geographic location	Country	Country ISO 3 Code	Continent	Latitude	Longitude
43212	fresh water sample collected from the Han River	Han River, South Korea	Republic of Korea	KOR	Asia	37	126 37/126
67770	Water from the Han River		Republic of Korea	KOR	Asia

Taxonmaps

69479

Global distribution of 16S sequence LC148303 (>99% sequence identity) for Spirosoma knui subclade from Microbeatlas

Aquatic Samples	49
Soil Samples	70
Animal Samples	76
Plant Samples	23
Total Samples	218

Interaction and safety

Sequence information

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
43212	Spirosoma knui gene for 16S ribosomal RNA, partial sequence	LC148303	1444		1837376

GC content

@ref	GC-content (mol%)	Method
43212	51.3	high performance liquid chromatography (HPLC)

Genome-based predictions

Literature

Topic	Title	Authors	Journal	DOI	Year
Phylogeny	Spirosoma pomorum sp. nov., isolated from apple orchard soil.	Li W, Lee SY, Kang IK, Ten LN, Jung HY	J Microbiol	10.1007/s12275-018-7430-y	2018
Phylogeny	Spirosoma koreense sp. nov., a species of the family Cytophagaceae isolated from beach soil.	Ten LN, Okiria J, Lee JJ, Lee SY, Kang IK, Lee DS, Jung HY	Int J Syst Evol Microbiol	10.1099/ijsem.0.002440	2017
Phylogeny	Spirosoma metallicus sp. nov., isolated from an automobile air conditioning system.	Lee H, Kim DU, Lee S, Park S, Yoon JH, Park SY, Ka JO	J Microbiol	10.1007/s12275-017-7162-4	2017
Phylogeny	Spirosoma knui sp. nov., a radiation-resistant bacterium isolated from the Han River.	Lee JJ, Lee YH, Park SJ, Lee SY, Kim BO, Ten LN, Kim MK, Jung HY	Int J Syst Evol Microbiol	10.1099/ijsem.0.001817	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 )
#43212	Jae-Jin Lee, Yeon-Hee Lee, Su-Jin Park, Seung-Yeol Lee, Byung-Oh Kim, Leonid N. Ten, Myung Kyum Kim and Hee-Young Jung: Spirosoma knui sp. nov., a radiation-resistant bacterium isolated from the Han River. IJSEM 67: 1359 - 1365 2017 ( DOI 10.1099/ijsem.0.001817 , PubMed 28113041 )
#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 .
#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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Spirosoma knui (JCM 31407, KCTC 52510, 15J8-12)

Name and taxonomic classification