Name: Rhizobium esperanzae Cordeiro et al. 2017
Etymology: es.per.an’zae. N.L. gen. fem. n. esperanzae, of Esperanza, named after Dr Esperanza Martínez-Romero, scientist at the Centre of Genomic Sciences, Cuernavaca, Mexico, who dedicates her life to studies of the diversity of rhizobia, with an emphasis on symbionts of common bean
Type strain: 668; CNPSo 668; LMG 30030; U 10001; UMR 1320; Z87-8
See detailed strain information at
Conduct genome-based taxonomy at
16S rRNA gene: KC293513 Analyse FASTA
Valid publication: Cordeiro AB, Ribeiro RA, Helene LCF, Hungria M. Rhizobium esperanzae sp. nov., a N2-fixing root symbiont of Phaseolus vulgaris from Mexican soils. Int J Syst Evol Microbiol 2017; 67:3937-3945.
IJSEM list: Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 67, part 10 of the IJSEM. Int J Syst Evol Microbiol 2018; 68:3-6.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name
Parent taxon: Rhizobium Frank 1889 (Approved Lists 1980)
Assigned by: Cordeiro AB, Ribeiro RA, Helene LCF, Hungria M. Rhizobium esperanzae sp. nov., a N2-fixing root symbiont of Phaseolus vulgaris from Mexican soils. Int J Syst Evol Microbiol 2017; 67:3937-3945.
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Record number: 796110