Azotobacter chroococcum (DSM 328, 20 a 1)

Name: Azotobacter chroococcum (DSM 328, 20 a 1)
Creator: BacDive
License: http://creativecommons.org/licenses/by/4.0/

BacDive ID 12729

Type strain

Strain Designation 20 a 1

Culture col. no. DSM 328 20 a 1

NCBI tax ID(s) 353

Special Collections DSMZ

History <- D. Claus, 20 a 1

Links

Azotobacter chroococcum 20 a 1 is a bacterium that was isolated from soil.

Bacteria

Name and taxonomic classification

SI-ID 1073

LMG 3853,DSM 328

@ref 20215

Last LPSN update 2026-02-09 11:20:55

Domain Bacteria

Phylum Pseudomonadota

Class Gammaproteobacteria

Order Pseudomonadales

Family Pseudomonadaceae

Genus Azotobacter

Species Azotobacter chroococcum

Full scientific name Azotobacter chroococcum Beijerinck 1901 (Approved Lists 1980)

BacDive ID	Other strains from **Azotobacter chroococcum** (15)	Type strain
12736	A. chroococcum 43, DSM 2286, ATCC 9043, VKM B-1616, CCUG ... (type strain)
12728	A. chroococcum 19 a, DSM 281
12730	A. chroococcum 3 R, DSM 368
12731	A. chroococcum DSM 369, Rh 57
12732	A. chroococcum J 4, DSM 374
12733	A. chroococcum S18, DSM 379
12734	A. chroococcum 35, DSM 393
12735	A. chroococcum 45, DSM 398
100635	A. chroococcum STI07157(IMET), IMET 7157
100636	A. chroococcum STI07312(IMET), N371,
100637	A. chroococcum STI07457(IMET), 7547, N206, IMET 7457
100638	A. chroococcum STI07154(IMET), IMRU 1259, IMET 7154
100639	A. chroococcum STI07458(IMET), N210, IMET 7458
134708	A. chroococcum Ag, CIP 109871
141590	A. chroococcum CCUG 3357, ATCC 9570

Morphology

Culture and growth conditions

Culture medium

@ref	Name	Growth	Medium link	Composition
113	DIAZOTROPHIC MEDIUM (RBA) (DSMZ Medium 441)		Medium recipe at MediaDive	Name: DIAZOTROPHIC MEDIUM (RBA) (DSMZ Medium 441) Composition: Agar 14.881 g/l DL-Malate 1.98413 g/l D-Glucose 1.98413 g/l D-Mannitol 1.98413 g/l Na-pyruvate 0.992063 g/l Disodium succinate 0.992063 g/l K2HPO4 0.892857 g/l KH2PO4 0.0992065 g/l NaCl 0.0992065 g/l CaCl2 x 2 H2O 0.0992065 g/l MgSO4 x 7 H2O 0.0992065 g/l Yeast extract 0.0496032 g/l FeSO4 x 7 H2O 0.00992065 g/l MnSO4 x H2O 0.00496032 g/l NaVO3 x H2O 0.00496032 g/l Nicotinic acid 0.00248016 g/l Pyridoxine hydrochloride 0.00248016 g/l Calcium pantothenate 0.00248016 g/l Thiamine-HCl x 2 H2O 0.00248016 g/l H3BO3 0.000892857 g/l CoCl2 x 6 H2O 0.000595238 g/l Riboflavin 0.000496032 g/l ZnSO4 x 7 H2O 0.000297619 g/l MnCl2 x 4 H2O 8.92857e-05 g/l Na2MoO4 x 2 H2O 8.92857e-05 g/l NiCl2 x 6 H2O 5.95238e-05 g/l Vitamin B12 4.96032e-05 g/l CuCl2 x 2 H2O 2.97619e-05 g/l Folic acid 9.92063e-06 g/l Biotin 4.96032e-06 g/l Distilled water
113	AZOTOBACTER MEDIUM (DSMZ Medium 3)		Medium recipe at MediaDive	Name: AZOTOBACTER MEDIUM (DSMZ Medium 3) Composition: Agar 15.0 g/l CaCO3 5.0 g/l Glucose 5.0 g/l Mannitol 5.0 g/l K2HPO4 0.9 g/l KH2PO4 0.1 g/l MgSO4 x 7 H2O 0.1 g/l CaCl2 x 2 H2O 0.1 g/l FeSO4 x 7 H2O 0.01 g/l Na2MoO4 x 2 H2O 0.005 g/l Distilled water

Culture temp

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

Physiology and metabolism

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
113	soil	Hannover	Germany	DEU	Europe

Interaction and safety

Risk assessment

@ref	Biosafety level	Biosafety level comment
113	1	Risk group (German classification) According to TRBA 466

Sequence information

GC content

113

GC-content (mol%)66.7

Genome-based predictions

Literature

References

#113	Leibniz Institut DSMZ-Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH ; Curators of the DSMZ; DSM 328
#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 )
#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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