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Mesorhizobium carmichaelinearum sp. nov., isolated from Carmichaelineae spp. root nodules
Journal article   Peer reviewed

Mesorhizobium carmichaelinearum sp. nov., isolated from Carmichaelineae spp. root nodules

S.E. De Meyer, M. Andrews, E.K. James and A. Willems
International Journal of Systematic and Evolutionary Microbiology, Vol.69(1), pp.146-152
2019
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Abstract

Five strains of Gram-stain-negative, rod-shaped bacteria were isolated from Carmichaelia and Montigena root nodules. Based on 16S rRNA gene phylogeny, they were shown to belong to the genus Mesorhizobium , and to be most closely related to Mesorhizobium jarvisii ATCC 33669T (100–99.6 % sequence similarity), Mesorhizobium huakuii IAM 14158T (99.9–99.6 %), Mesorhizobium japonicum MAFF303099T (99.8–99.6 %) and Mesorhizobium erdmanii USDA 3471T (99.8–99.5 %). Additionally, the strains formed distinct groups based on housekeeping gene analysis and were most closely related to M. jarvisii ATCC 33669T (89.6–89.5 and 97.6–97.3 % sequence similarity for glnII and recA, respectively), M. erdmanii USDA 3471T (94.3–94.0 and 94.9–94.1 %), M. japonicum MAFF303099T (90.0–89.9 and 96.7–96.2 %) and M. huakuii IAM 14158T (89.9–90.0 and 95.4–94.9 %). Chemotaxonomic data supported the assignment of the strains to the genus Mesorhizobium and DNA–DNA hybridizations, average nucleotide identity analysis, matrix-assisted laser desorption ionization time-of-flight MS analysis, physiological and biochemical tests differentiated them genotypically and phenotypically from their nearest neighbouring species. Therefore, these strains are considered to represent a novel species, for which the name Mesorhizobium carmichaelinearum sp. nov. is proposed. The type strain is ICMP 18942T (=MonP1N1T=LMG 28414T).

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
3 Agriculture, Environment & Ecology
3.97 Plant Pathology
3.97.892 Rhizobium-Legume Symbiosis
Web Of Science research areas
Microbiology
ESI research areas
Microbiology
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