Rhizobium viscosum (DSM 7307, ATCC 19584, CECT 908)

Name: Rhizobium viscosum (DSM 7307, ATCC 19584, CECT 908)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 7573

Type strain

Strain Designation B-1973

Culture col. no. DSM 7307 ATCC 19584 CECT 908 LMG 16473 NCIMB 9729 12 more

NCBI tax ID(s) 1673

Special Collections DSMZ JCM KCTC CIP Wink compendium Literature strains

History <- NCIMB <- NRRL LMG 16473 <-- NRRL B-1973 <-- R. G. Benedict I-23. CIP <- 1982, ATCC <- NRRL: strain B-1973

Links

Rhizobium viscosum B-1973 is a bacterium that produces polysaccharides and was isolated from soil.

polysaccharide production genome sequence 16S sequence Bacteria

Name and taxonomic classification

SI-ID 8194

LMG 16473,ATCC 19584,LMG 17310,NCFB 2326,NCIMB 9729,NRRL B-1973,JCM 11566,NCDO 2326,CECT 908,KCTC 3388,BCRC 14858,CCRC 14858,IAM 14871,CDBB 20,CIP 82.105,DSM 7307

@ref 20215

Last LPSN update 2026-02-09 11:19:30

Domain Bacteria

Phylum Pseudomonadota

Class Alphaproteobacteria

Order Hyphomicrobiales

Family Rhizobiaceae

Genus Rhizobium

Species Rhizobium viscosum

Full scientific name Rhizobium viscosum (Gasdorf et al. 1965) Flores-Félix et al. 2017

Synonyms (1)

Arthrobacter viscosus

BacDive ID	Other strains from **Rhizobium viscosum** (2)	Type strain
7572	R. viscosum DSM 7287, ATCC 19583, NCIMB 9728, NRRL B-1797
138408	R. viscosum CIP 102695, NCDO 2327, NCIMB 10617

Morphology

Cell morphology

@ref	Gram stain	Confidence
125438	negative	99.5
125439	negative	96.2

Colony morphology

@ref	Colony color	Incubation period	Medium used
3109		3-7 days
20200	Ochre brown (8001)	10-14 days	ISP 2
20200	Cream (9001)	10-14 days	ISP 3
20200	Light ivory (1015)	10-14 days	ISP 5
20200	Colorless	10-14 days	ISP 6
20200	Ivory (1014)	10-14 days	ISP 7

Multicellular morphology

@ref	Forms multicellular complex	Medium name
20200		ISP 2
20200		ISP 3
20200		ISP 5
20200		ISP 6
20200		ISP 7

Culture and growth conditions

Culture medium

@ref	Name	Medium link	Composition
20200	ISP 2		Name: ISP 2 / Yeast Malt Agar (5265); 5265 Composition Malt extract 10.0 g/l Yeast extract 4.0 g/l Glucose 4.0 g/l Agar 15.0 g/l Preparation: Sterilisation: 20 minutes at 121°C pH before sterilisation: 7.0 Usage: Maintenance and Taxonomy Organisms: All Actinomycetes
20200	ISP 3		Name: ISP 3; 5315 Composition Dog oat flakes 20.0 g/l Trace element solution (5314) 2.5 ml/l Agar 18.0 g/l Preparation: Oat flakes are cooked for 20 minutes, trace element solution and agar are added (in the case of non rolled oat flakes the suspension has to bee filtrated). Sterilisation: 20 minutes at 121°C pH before sterilisation: 7.8 Usage: Maintenance and taxonomy (e.g. SEM As liquid medium for metabolite production) Organisms: All Actinomycetes Trace element solution 5314 Name: Trace element solution 5314; 5314 Composition CaCl2 x H2O 3.0 g/l Fe-III-citrate 1.0 g/l MnSO4 0.2 g/l ZnCl2 0.1 g/l CuSO4 x 5 H2O 0.025 g/l Sodium tetra borate 0.2 g/l CoCl2 x 6 H2O 0.004 g/l Sodium molybdate 0.01 g/l Preparation: Use double destillated water. Sterilisation: 20 minutes at 121°C pH before sterilisation: Usage: Trace element solution for different media Organisms:
20200	ISP 5		Name: ISP 5 (5323) Composition L-Asparagine 1.0 g/l Glycerol 10.0 g/l K2HPO4 1.0 g/l Salt solution (see preparation) 1.0 ml/l Agar 20.0 g/l Preparation: Salt solution 1.0 g FeSO4 x 7 H2O 1.0 g MnCl2 x 4 H2O 1.0 g ZNSO4 x 7 H2O in 100 ml water Sterilisation: 20 minutes at 121°C pH before sterilisation: 7.2 Usage: Maintenance and taxonomy Organisms: All Actinomycetes
20200	ISP 6		Name: ISP 6 (5318) Composition Peptone 15.0 g/l Proteose peptose 5.0 g/l Ferric ammonium citrate 0.5 g/l Sodium glycerophosphate 1.0 g/l Sodium thiosulfate 0.08 g/l Yeast extract 1.0 g/l Agar 15.0 g/l Sterilisation: 20 minutes at 121°C pH before sterilisation: Usage: Production of melanoid pigments Organisms: All Actinomycetes
20200	ISP 7		Name: ISP 7 (5322) Composition Glycerol 15.0 g/l L-Tyrosine 0.5 g/l L-Asparagine 1.0 g/l K2HPO4 0.5 g/l NaCl 0.5 g/l FeSO4 x 7 H2O 0.01 g/l Trace element solution 5343 1.0 ml/l Agar 20.0 Sterilisation: 20 minutes at 121°C pH before sterilisation: 7.3 Usage: Production of melanoid pigments Organisms: All Actinomycetes
39712	MEDIUM 112 - for Janibacter		Distilled water make up to (1000.000 ml);Magnesium sulphate heptahydrate (1.000 g);Agar (20.000 g);Yeast extract (5.000 g);Peptone (10.000 g);Tween 80 (50.000 mg);Glycerol (2.000 g);Malt extract (5.000 g);Beef extract (2.000 g);Casamino acids (5.000 g);Ca
3109	NUTRIENT AGAR (DSMZ Medium 1)	Medium recipe at MediaDive	Name: NUTRIENT AGAR (DSMZ Medium 1) Composition: Agar 15.0 g/l Peptone 5.0 g/l Meat extract 3.0 g/l Distilled water
3109	UNIVERSAL MEDIUM FOR YEASTS (YM) (DSMZ Medium 186)	Medium recipe at MediaDive	Name: UNIVERSAL MEDIUM FOR YEASTS (YM) (DSMZ Medium 186) Composition: Agar 15.0 g/l Glucose 10.0 g/l Soy peptone 5.0 g/l Malt extract 3.0 g/l Yeast extract 3.0 g/l Distilled water
123874	CIP Medium 112	Medium recipe at CIP

Culture temp

@ref	Growth	Type	Temperature (°C)
3109	positive	growth	28
20200	positive	optimum	28
39712	positive	growth	30
43259	positive	growth	37
67770	positive	growth	28

Culture pH

@ref	Ability	Type	PH
43259	positive	growth	5

Physiology and metabolism

Oxygen tolerance

@ref	Oxygen tolerance	Confidence
125439	aerobe	97.9

Spore formation

@ref	Spore formation	Confidence
125439		92.5

Compound production

3109

Compoundpolysaccharide

Halophily

@ref	Salt	Growth	Tested relation	Concentration
20200	NaCl	positive	maximum	7.5 %
43259	NaCl	positive	growth	0.5-1.0 %(w/v)

Observation

@ref	Observation
67770	Production of Viscous extracellular polysaccharide
67770	quinones: Q-10

Metabolite utilization

@ref	Chebi-ID	Metabolite	Utilization activity	Kind of utilization tested
43259		2-oxogluconate	-	assimilation
43259	16193 ChEBI	3-hydroxybenzoate	-	assimilation
43259	37054 ChEBI	3-hydroxybutyrate	-	assimilation
43259	17879 ChEBI	4-hydroxybenzoate	-	assimilation
43259	58143 ChEBI	5-dehydro-D-gluconate	-	assimilation
43259	30089 ChEBI	acetate	-	assimilation
43259	17128 ChEBI	adipate	-	assimilation
20200	22599 ChEBI	arabinose	+
20200	62968 ChEBI	cellulose	+
43259	16947 ChEBI	citrate	-	assimilation
43259	16988 ChEBI	D-ribose	+	assimilation
43259	27689 ChEBI	decanoate	-	assimilation
43259	4853 ChEBI	esculin	+	hydrolysis
20200	28757 ChEBI	fructose	+
43259	24265 ChEBI	gluconate	-	assimilation
20200	17234 ChEBI	glucose	+
43259	17234 ChEBI	glucose	+	assimilation
43259	28087 ChEBI	glycogen	-	assimilation
43259	17240 ChEBI	itaconate	-	assimilation
43259	16977 ChEBI	L-alanine	+	assimilation
43259	30849 ChEBI	L-arabinose	+	assimilation
43259	18287 ChEBI	L-fucose	+	assimilation
43259	15971 ChEBI	L-histidine	+	assimilation
43259	17203 ChEBI	L-proline	+	assimilation
43259	62345 ChEBI	L-rhamnose	+	assimilation
43259	17115 ChEBI	L-serine	-	assimilation
43259	17266 ChEBI	L-sorbose	+	assimilation
43259	24996 ChEBI	lactate	+	assimilation
43259	25115 ChEBI	malate	+	assimilation
43259	15792 ChEBI	malonate	-	assimilation
43259	17306 ChEBI	maltose	+	assimilation
20200	29864 ChEBI	mannitol	+
43259	29864 ChEBI	mannitol	+	assimilation
43259	37684 ChEBI	mannose	+	assimilation
43259	28053 ChEBI	melibiose	+	assimilation
20200	17268 ChEBI	myo-inositol	+
43259	17268 ChEBI	myo-inositol	+	assimilation
43259	506227 ChEBI	N-acetylglucosamine	+	assimilation
43259	17632 ChEBI	nitrate	+	reduction
43259	18401 ChEBI	phenylacetate	-	assimilation
43259	17272 ChEBI	propionate	-	assimilation
20200	16634 ChEBI	raffinose	+
20200	26546 ChEBI	rhamnose	+
43259	17814 ChEBI	salicin	+	assimilation
43259	9300 ChEBI	suberic acid	-	assimilation
20200	17992 ChEBI	sucrose	+
43259	17992 ChEBI	sucrose	+	assimilation
43259	16199 ChEBI	urea	+	hydrolysis
43259	31011 ChEBI	valerate	-	assimilation
20200	18222 ChEBI	xylose	+

Antibiotic resistance

@ref	ChEBI	Metabolite	Resistance conc.	Sensitivity conc.
43259	28971	ampicillin	2 µg
43259	3515	cefuroxime		30 µg
43259	100241	ciprofloxacin		5 µg
43259	49566	cloxacillin	1 µg
43259	48923	erythromycin	2 µg
43259	17833	gentamicin		10 µg
43259	7507	neomycin		5 µg
43259	27701	oxytetracycline		30 µg
43259	17334	penicillin	11 Unit
43259	8309	polymyxin b	300 Unit

Metabolite production

@ref	Chebi-ID	Metabolite	Production
43259	35581 ChEBI	indole

Enzymes

@ref	Value	Activity	Ec
43259	acid phosphatase	+/-	3.1.3.2
43259	alkaline phosphatase	+	3.1.3.1
43259	alpha-arabinosidase	+	3.2.1.55
43259	alpha-fucosidase	+	3.2.1.51
43259	alpha-galactosidase	+	3.2.1.22
43259	alpha-glucosidase	+	3.2.1.20
43259	alpha-L-rhamnosidase	+	3.2.1.40
43259	alpha-maltosidase	-
43259	alpha-mannosidase	+	3.2.1.24
43259	alpha-xylosidase	-
43259	arginine dihydrolase	-	3.5.3.6
43259	beta-cellobiase	+/-
43259	beta-D-fucosidase	+	3.2.1.38
43259	beta-galactosaminidase	+
43259	beta-galactosidase	+	3.2.1.23
43259	beta-glucosaminidase	+
43259	beta-glucosidase	+	3.2.1.21
43259	beta-L-arabinosidase	+	3.2.1.88
43259	beta-maltosidase	+/-
43259	beta-mannosidase	+	3.2.1.25
43259	beta-xylosidase	+
3109	catalase	+	1.11.1.6
3109	cytochrome-c oxidase	+	1.9.3.1
43259	galacturonidase	-
43259	gelatinase	-
43259	glucuronidase	-
43259	lactosidase	-

Isolation, sampling and environmental information

Isolation source categories

Cat1	Cat2	Cat3
#Environmental	#Terrestrial	#Soil

Isolation

@ref	Sample type	Geographic location	Country	Country ISO 3 Code	Continent	Isolation date
3109	soil	City Airport	Guatemala	GTM	Middle and South America
43259	soil samples	Guatemala	Guatemala	GTM	Middle and South America
67770	Soil	Guatemala City	Guatemala	GTM	North America
123874	Environment, Soil		Guatemala	GTM	North America	1956

Taxonmaps

69479

Global distribution of 16S sequence AJ639832 (>99% sequence identity) for Rhizobium from Microbeatlas

Aquatic Samples	181
Soil Samples	1145
Animal Samples	198
Plant Samples	366
Total Samples	1890

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
3109	1	Risk group (German classification) According to TRBA 466
20200	1
123874	1	Risk group (French classification) According to TRBA 466

Sequence information

Genome sequences

@ref	Description	Assembly level	INSDC accession	BV-BRC accession	IMG accession	NCBI tax ID	Score
66792	ASM1487394v1 assembly for Rhizobium viscosum DSM 7307	contig	GCA_014873945	1673.4	2870861536	1673	78.01
124043	ASM4268124v1 assembly for Rhizobium viscosum JCM 11566	scaffold	GCA_042681245			1673	68.46
124043	ASM3953450v1 assembly for Rhizobium viscosum JCM 11566	scaffold	GCA_039534505			1673	67.16

16S sequences

@ref	Description	Accession	Length	Database	NCBI tax ID
3109	Arthrobacter viscosus partial 16S rRNA gene, type strain LMG 16473T	AJ639832	1424		1673

GC content

@ref	GC-content (mol%)	Method
3109	61.5	thermal denaturation, midpoint method (Tm)

Genome-based predictions

Predictions

Predictions from Deep Learning for Genome Sequence Data. R package version 0.3.1 based on: Rhizobium viscosum DSM 7307
NCBI: GCA_014873945

@ref	Trait	Model	Prediction	Confidence in %	In training data
125439	spore_formation	BacteriaNetⓘ	no	92.50	no
125439	motility	BacteriaNetⓘ	yes	58.90	no
125439	gram_stain	BacteriaNetⓘ	negative	96.20	no
125439	oxygen_tolerance	BacteriaNetⓘ	aerobe	97.90	no

Predictions from bacterial phenotypic traits through improved machine learning using high-quality, curated datasets based on: Rhizobium viscosum strain DSM 7307
PATRIC: 1673.4

@ref	Trait	Model	Prediction	Confidence in %	In training data
125438	gram-positive	gram-positiveⓘ	no	99.50	no
125438	anaerobic	anaerobicⓘ	no	95.20	no
125438	spore-forming	spore-formingⓘ	no	89.73	no
125438	aerobic	aerobicⓘ	yes	83.47	no
125438	thermophilic	thermophileⓘ	no	99.75	yes
125438	flagellated	motile2+ⓘ	yes	70.25	no

Literature

Topic	Title	Authors	Journal	DOI	Year
	Frontier advances in molecular dynamics simulations for the design and optimization of oil-displacement polymers	Jiang W, Hou Z, Wu X, Gai J, Zheng L, Wang Y, Nie C, Lu S, Su X, Zhou J, Yan S, Yang E, Huang B, Dong C, Sun J, Su L, Yao S, Wang Y, Yu X, Liu D, Jiang J, Wu J, Fu X, Wang S, Su X, Shan H, Zhang L, Qi G, He X, Li J, Ma Y, Wang Y.	RSC Adv		2025
	Research advances of microbial enhanced oil recovery.	Wu B, Xiu J, Yu L, Huang L, Yi L, Ma Y.	Heliyon	10.1016/j.heliyon.2022.e11424	2022
	Use of Microorganisms in the Recovery of Oil From Recalcitrant Oil Reservoirs: Current State of Knowledge, Technological Advances and Future Perspectives.	Nikolova C, Gutierrez T.	Front Microbiol	10.3389/fmicb.2019.02996	2019
Biotechnology	Sustainable Exopolysaccharide Production by Rhizobium viscosum CECT908 Using Corn Steep Liquor and Sugarcane Molasses as Sole Substrates.	Gudina EJ, Couto MR, Silva SP, Coelho E, Coimbra MA, Teixeira JA, Rodrigues LR.	Polymers (Basel)	10.3390/polym15010020	2022
Enzymology	The biopolymer produced by Rhizobium viscosum CECT 908 is a promising agent for application in microbial enhanced oil recovery.	Couto MR, Gudina EJ, Ferreira D, Teixeira JA, Rodrigues LR	N Biotechnol	10.1016/j.nbt.2018.11.002	2018
Phylogeny	Reclassification of Arthrobacter viscosus as Rhizobium viscosum comb. nov.	Flores-Felix JD, Ramirez-Bahena MH, Salazar S, Peix A, Velazquez E	Int J Syst Evol Microbiol	10.1099/ijsem.0.001864	2017
	Heteropolysaccharide Formation by Arthrobacter viscosus Grown on Xylose and Xylose Oligosaccharides.	Novak JS, Tanenbaum SW, Nakas JP	Appl Environ Microbiol	10.1128/aem.58.11.3501-3507.1992	1992
	Polymer-Producing Species of Arthrobacter.	Gasdorf HJ, Benedict RG, Cadmus MC, Anderson RF, Jackson RW	J Bacteriol	10.1128/jb.90.1.147-150.1965	1965

References

#3109	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 7307
#20200	Wink, J.: Compendium of Actinobacteria. HZI-Helmholtz-Centre for Infection Research, Braunschweig .
#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 )
#39712	; Curators of the CIP;
#43259	José David Flores-Félix, Martha Helena Ramírez-Bahena, Sergio Salazar, Alvaro Peix and Encarna Velázquez: Reclassification of Arthrobacter viscosus as Rhizobium viscosum comb. nov. IJSEM 67: 1789 - 1792 2017 ( DOI 10.1099/ijsem.0.001864 , PubMed 28598309 )
#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) .
#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 .
#123874	Collection of Institut Pasteur ; Curators of the CIP; CIP 82.105
#124043	Isabel Schober, Julia Koblitz: Data extracted from sequence databases, automatically matched based on designation and taxonomy .
#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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Rhizobium viscosum (DSM 7307, ATCC 19584, CECT 908)

Name and taxonomic classification

Morphology

Cell morphology

Colony morphology

Multicellular morphology

Culture and growth conditions

Culture medium

Culture temp

Culture pH

Physiology and metabolism

Oxygen tolerance

Spore formation

Compound production

Halophily

Observation

Metabolite utilization

Antibiotic resistance

Metabolite production

Enzymes

Isolation, sampling and environmental information

Isolation source categories

Isolation

Taxonmaps

Interaction and safety

Risk assessment

Sequence information

Genome sequences

Genome browser: GCA_014873945

16S sequences

GC content

Genome-based predictions

Predictions

Literature

Literature

References

BacDive

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