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Species Rhizobium pisi
Name: Rhizobium pisi Ramírez-Bahena et al. 2008
Etymology: pi’si. L. gen. neut. n. pisi, of the pea, referring to the isolation source of this micro-organism, nodules of Pisum sativum
Pronunciation (Latin), gender: … PI-si, neuter
Type strain: DSM 30132; NCIB 11478; NCIMB 11478
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene:
AY509899
Analyse
FASTA
Valid publication:
Ramirez-Bahena MH, Garcia-Fraile P, Peix A, Valverde A, Rivas R, Igual JM, Mateos PF, Martinez-Molina E, Velazquez E. Revision of the taxonomic status of the species Rhizobium leguminosarum (Frank 1879) Frank 1889AL, Rhizobium phaseoli Dangeard 1926AL and Rhizobium trifolii Dangeard 1926AL. R. trifolii is a later synonym of R. leguminosarum. Reclassification of the strain R. leguminosarum DSM 30132 (=NCIMB 11478) as Rhizobium pisi sp. nov. Int J Syst Evol Microbiol 2008; 58:2484-2490. 
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IJSEM list:
Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 11 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:205-206.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
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Synonyms:
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Name Kind Rhizobium fabae Tian et al. 2008 heterotypic synonym, validly published under the ICNP
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Notes:
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⏰ According to Volpiano et al. (2021), this species is an earlier heterotypic synonym of Rhizobium fabae Tian et al. 2008.
Publication:
Volpiano CG, Sant'Anna FH, Ambrosini A, de Sao Jose JFB, Beneduzi A, Whitman WB, de Souza EM, Lisboa BB, Vargas LK, Passaglia LMP. Genomic Metrics Applied to Rhizobiales (Hyphomicrobiales): Species Reclassification, Identification of Unauthentic Genomes and False Type Strains. Front Microbiol 2021; 12:614957. 🇧🇷
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🏢 Synonymy of this taxon was mentioned in an IJSEM list.
Publication:
Oren A, Garrity GM. List of changes in taxonomic opinion no. 35. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2022; 72:5164.
- 🧬 The phylogenomic assignment score of this taxon is 0.15604 (N = 9).
- 😷 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 8 times in PubMed until 2025-06-04.
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🪓 Organisms assigned to this species have previously been classified as Rhizobium leguminosarum (Frank 1879) Frank 1889 (Approved Lists 1980).
Publication:
Frank B. Über die Pilzsymbiose der Leguminosen. Berichte der Deutschen Botanischen Gesellschaft 1889; 7:332-346.
Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
- 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded pathogenicity of other species in the genus.
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🧍 It seems that the ATCC collection has distributed different type strains of Rhizobium leguminosarum with the same accession number (ATCC 10004) before and after 1994. Strain DSM 30132 and NCIMB 2370, previously considered as the type strain of Rhizobium leguminosarum, were received from the ATCC before 1990. These strains belong to a new species for which Ramírez-Bahena et al. 2008 propose the name Rhizobium pisi.
Publication:
Ramirez-Bahena MH, Garcia-Fraile P, Peix A, Valverde A, Rivas R, Igual JM, Mateos PF, Martinez-Molina E, Velazquez E. Revision of the taxonomic status of the species Rhizobium leguminosarum (Frank 1879) Frank 1889AL, Rhizobium phaseoli Dangeard 1926AL and Rhizobium trifolii Dangeard 1926AL. R. trifolii is a later synonym of R. leguminosarum. Reclassification of the strain R. leguminosarum DSM 30132 (=NCIMB 11478) as Rhizobium pisi sp. nov. Int J Syst Evol Microbiol 2008; 58:2484-2490. 🇪🇸
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⏰ According to Volpiano et al. (2021), this species is an earlier heterotypic synonym of Rhizobium fabae Tian et al. 2008.
Publication:
Volpiano CG, Sant'Anna FH, Ambrosini A, de Sao Jose JFB, Beneduzi A, Whitman WB, de Souza EM, Lisboa BB, Vargas LK, Passaglia LMP. Genomic Metrics Applied to Rhizobiales (Hyphomicrobiales): Species Reclassification, Identification of Unauthentic Genomes and False Type Strains. Front Microbiol 2021; 12:614957.
Parent taxon: Rhizobium Frank 1889 (Approved Lists 1980)
Assigned by:
Ramirez-Bahena MH, Garcia-Fraile P, Peix A, Valverde A, Rivas R, Igual JM, Mateos PF, Martinez-Molina E, Velazquez E. Revision of the taxonomic status of the species Rhizobium leguminosarum (Frank 1879) Frank 1889AL, Rhizobium phaseoli Dangeard 1926AL and Rhizobium trifolii Dangeard 1926AL. R. trifolii is a later synonym of R. leguminosarum. Reclassification of the strain R. leguminosarum DSM 30132 (=NCIMB 11478) as Rhizobium pisi sp. nov. Int J Syst Evol Microbiol 2008; 58:2484-2490. 🇪🇸
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Record number: 787623
This LPSN page was printed on 2026-02-15 22:36:23