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Article

Genomic Diversity of Bradyrhizobium from the Tree Legumes Inga and Lysiloma (Caesalpinioideae-Mimosoid Clade)

by
Diana Hernández-Oaxaca
1,*,
Karen L. Claro-Mendoza
1,
Marco A. Rogel
1,
Mónica Rosenblueth
1,
Jorge A. Velasco-Trejo
2,
Enrique Alarcón-Gutiérrez
2,
José Antonio García-Pérez
3,
Julio Martínez-Romero
1,
Euan K. James
4 and
Esperanza Martínez-Romero
1,*
1
Centro de Ciencias Genómicas, UNAM, Cuernavaca, Morelos 62210, Mexico
2
Instituto de Biotecnología y Ecología Aplicada, Universidad Veracruzana, Xalapa 91050, Mexico
3
Facultad de Biología, Universidad Veracruzana, Xalapa 91000, Mexico
4
The James Hutton Institute, Invergowrie, Dundee DD2 5DA, UK
*
Authors to whom correspondence should be addressed.
Diversity 2022, 14(7), 518; https://doi.org/10.3390/d14070518
Submission received: 8 May 2022 / Revised: 6 June 2022 / Accepted: 9 June 2022 / Published: 27 June 2022
(This article belongs to the Special Issue Recent Trends in Bacterial Diversity and Evolution)
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Abstract

We identified diverse bradyrhizobia having distinct ERIC-PCR genomic fingerprints from native American trees Inga vera and Lysiloma spp. In addition, two nodule isolates recovered from Lysiloma divaricatum seedlings inoculated with soil from the tropical house of a UK botanical garden were also identified as Bradyrhizobium. Genomes were obtained (with sizes around 9 Mb each) from nine Inga and Lysiloma bradyrhizobial isolates; plasmids were detected in two of the Inga strains analyzed. Average Nucleotide Identity of whole genomes revealed five novel Bradyrhizobium genomospecies from Mexican trees, while the UK isolates were identified as Bradyrhizobium cajani and Bradyrhizobium brasilense. Inga vera and Lysiloma isolates, despite their genetic distances and different hosts, shared a common set of nod genes that suggested that I. vera and Lysiloma bradyrhizobia produce fucosylated, methylated and carbamylated lipochitooligosaccharides. Uptake hydrogenase hup, hyp and secretion system genes were found in some of the isolates. Lysiloma strains were found to be ineffective on I. vera. Some of the isolates may be used as plant inoculants.
Keywords: symbiosis; nitrogen fixation; nod genes; genomospecies; symbiosis island symbiosis; nitrogen fixation; nod genes; genomospecies; symbiosis island

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MDPI and ACS Style

Hernández-Oaxaca, D.; Claro-Mendoza, K.L.; Rogel, M.A.; Rosenblueth, M.; Velasco-Trejo, J.A.; Alarcón-Gutiérrez, E.; García-Pérez, J.A.; Martínez-Romero, J.; James, E.K.; Martínez-Romero, E. Genomic Diversity of Bradyrhizobium from the Tree Legumes Inga and Lysiloma (Caesalpinioideae-Mimosoid Clade). Diversity 2022, 14, 518. https://doi.org/10.3390/d14070518

AMA Style

Hernández-Oaxaca D, Claro-Mendoza KL, Rogel MA, Rosenblueth M, Velasco-Trejo JA, Alarcón-Gutiérrez E, García-Pérez JA, Martínez-Romero J, James EK, Martínez-Romero E. Genomic Diversity of Bradyrhizobium from the Tree Legumes Inga and Lysiloma (Caesalpinioideae-Mimosoid Clade). Diversity. 2022; 14(7):518. https://doi.org/10.3390/d14070518

Chicago/Turabian Style

Hernández-Oaxaca, Diana, Karen L. Claro-Mendoza, Marco A. Rogel, Mónica Rosenblueth, Jorge A. Velasco-Trejo, Enrique Alarcón-Gutiérrez, José Antonio García-Pérez, Julio Martínez-Romero, Euan K. James, and Esperanza Martínez-Romero. 2022. "Genomic Diversity of Bradyrhizobium from the Tree Legumes Inga and Lysiloma (Caesalpinioideae-Mimosoid Clade)" Diversity 14, no. 7: 518. https://doi.org/10.3390/d14070518

APA Style

Hernández-Oaxaca, D., Claro-Mendoza, K. L., Rogel, M. A., Rosenblueth, M., Velasco-Trejo, J. A., Alarcón-Gutiérrez, E., García-Pérez, J. A., Martínez-Romero, J., James, E. K., & Martínez-Romero, E. (2022). Genomic Diversity of Bradyrhizobium from the Tree Legumes Inga and Lysiloma (Caesalpinioideae-Mimosoid Clade). Diversity, 14(7), 518. https://doi.org/10.3390/d14070518

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