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Species Rhizobium leucaenae
Name: Rhizobium leucaenae Ribeiro et al. 2012
Etymology: leu.cae’nae. N.L. gen. fem. n. leucaenae, of Leucaena, referring to the isolation source of many strains of this species, root nodules of Leucaena
Pronunciation (Latin), gender: … le͡u-KA͡E-na͡e, neuter
Type strain: CECT 4844; CENA 183; CFN 299; CNPSo 141; IAM 14230; JCM 21088; LMG 9517; SEMIA 4083; UMR 1026; USDA 9039
Conduct genome-based taxonomy at
16S rRNA gene:
X67234
Analyse
FASTA
Valid publication:
Ribeiro RA, Rogel MA, Lopez-Lopez A, Ormeno-Orrillo E, Barcellos FG, Martinez J, Thompson FL, Martinez-Romero E, Hungria M. Reclassification of Rhizobium tropici type A strains as Rhizobium leucaenae sp. nov. Int J Syst Evol Microbiol 2012; 62:1179-1184. 
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IJSEM list:
Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 62, part 5 of the IJSEM. Int J Syst Evol Microbiol 2012; 62:1723-1724.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
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Emendations:
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Hördt et al. 2020
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. 🇩🇪
Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
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Hördt et al. 2020
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.
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Notes:
- 🧬 The phylogenomic assignment score of this taxon is 0.02044 (N = 15).
- 🎓 Name mentioned 6 times in PubMed until 2025-06-04.
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🪓 Organisms assigned to this species have previously been classified as Rhizobium tropici Martínez-Romero et al. 1991.
Publication:
Martinez-Romero E, Segovia L, Mercante FM, Franco AA, Graham P, Pardo MA. Rhizobium tropici, a novel species nodulating Phaseolus vulgaris L. beans and Leucaena sp. trees. Int J Syst Bacteriol 1991; 41:417-426. 🇲🇽
Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 41, part 2 of the IJSB. Int J Syst Bacteriol 1991; 41:581.
- 🙆 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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🧍 Rhizobium leucaenae Ribeiro et al. 2012 was previously known as Rhizobium tropici Martínez-Romero et al., 1991, type A strains. — 🧍 Represents the former type A subgoup of Rhizobium tropici Martínez-Romero et al., 1991.
Publication:
Martinez-Romero E, Segovia L, Mercante FM, Franco AA, Graham P, Pardo MA. Rhizobium tropici, a novel species nodulating Phaseolus vulgaris L. beans and Leucaena sp. trees. Int J Syst Bacteriol 1991; 41:417-426. 🇲🇽
Parent taxon: Rhizobium Frank 1889 (Approved Lists 1980)
Assigned by:
Ribeiro RA, Rogel MA, Lopez-Lopez A, Ormeno-Orrillo E, Barcellos FG, Martinez J, Thompson FL, Martinez-Romero E, Hungria M. Reclassification of Rhizobium tropici type A strains as Rhizobium leucaenae sp. nov. Int J Syst Evol Microbiol 2012; 62:1179-1184. 🇲🇽
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Record number: 789878
This LPSN page was printed on 2026-02-19 03:37:21