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Species Bradyrhizobium diazoefficiens
Name: Bradyrhizobium diazoefficiens Delamuta et al. 2013
Etymology: di.a.zo.ef.fi’ci.ens. Gr. adv. dis, twice, doubly (also Latin adjective); N.L. neut. n. azotum, nitrogen; N.L. pref. diazo-, pertaining to dinitrogen (in compound words); L. pres. part. efficiens, efficient; N.L. neut. part. adj. diazoefficiens, dinitrogen efficient, referring to the efficiency in nitrogen fixation displayed by several strains of the species
Pronunciation, gender: di-a-zo-ef-FI-ki-ens, neuter
Type strain: 3I1B110; ACCC 15034; BCRC 13528; CCRC 13528; CCT 4249; CNPSo 46; IAM 13628; IFO 14792; JCM 10833; NBRC 14792; NRRL B-4361; NRRL B-4450; R-12974; SEMIA 5032; TAL 102; TISTR 339; USDA 110
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
D13430
Analyse
FASTA
Valid publication:
Delamuta JR, Ribeiro RA, Ormeno-Orrillo E, Melo IS, Martinez-Romero E, Hungria M. Polyphasic evidence supporting the reclassification of Bradyrhizobium japonicum group Ia strains as Bradyrhizobium diazoefficiens sp. nov. Int J Syst Evol Microbiol 2013; 63:3342-3351. 
IJSEM list:
Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 63, part 9 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:4371-4373.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
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Notes:
- 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
- 🎓 Name mentioned 166 times in PubMed until 2025-06-04.
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🪓 Organisms assigned to this species have previously been classified as Bradyrhizobium japonicum (Kirchner 1896) Jordan 1982.
Publication:
Jordan DC. Transfer of Rhizobium japonicum Buchanan 1980 to Bradyrhizobium sp. nov., a genus of slow-growing, root nodule bacteria from leguminous plants. Int. J. Syst. Bacteriol. 1982; 32:136-139.
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🧍 The phylogenetic position of this species was determined in a genome-scale analysis by Hördt et al. (2020).
Publication:
Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.
Parent taxon: Bradyrhizobium Jordan 1982
Assigned by:
Delamuta JR, Ribeiro RA, Ormeno-Orrillo E, Melo IS, Martinez-Romero E, Hungria M. Polyphasic evidence supporting the reclassification of Bradyrhizobium japonicum group Ia strains as Bradyrhizobium diazoefficiens sp. nov. Int J Syst Evol Microbiol 2013; 63:3342-3351.
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Record number: 791109
This LPSN page was printed on 2025-12-14 10:08:08