Nodulation Process, Nitrogen Fixation, and Diversity of Fenugreek Rhizobia

Idrissi, Mustapha Missbah El; Abdelmoumen, Hanaa

doi:10.1007/978-981-16-1197-1_12

Cited by 2 publications

(1 citation statement)

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“…This mutualistic association leads to the formation of a root nodule structure, where Biological Nitrogen Fixation (BNF) takes place. BNF is a beneficial process for legumes as it provides biologically available nitrogen to the plant, which is a crucial component limiting plant growth 3 ; 4 . Considering each year, BNF contributes approximately 40 million tons of combined nitrogen worldwide 5 , the essential role played by efficient rhizobia in maintaining sustainable agriculture becomes evident, especially for cash crops such as groundnut ( Arachis hypogaea L.) 5 .…”

Section: Introductionmentioning

confidence: 99%

Permanent draft genome sequence of Bradyrhizobium vignae, strain ISRA 400, an elite nitrogen-fixing bacterium, isolated from the groundnut growing area in Senegal

NIANG,

GUEDDOU,

NIANG

et al. 2023

J. Genomics

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A new Bradyrhizobium vignae strain called ISRA400 was isolated from groundnut ( Arachis hypogaea L.) root nodules obtained by trapping the bacteria from soil samples collected in the Senegalese groundnut basin. In this study, we present the draft genome sequence of this strain ISRA400, which spans approximatively 7.9 Mbp and exhibits a G+C content of 63.4%. The genome analysis revealed the presence of 48 tRNA genes and one rRNA operon (16S, 23S, and 5S). The nodulation test revealed that this strain ISRA400 significantly improves the nodulation parameters and chlorophyll content of the Arachis hypogaea variety Fleur11. These findings suggest the potential of Bradyrhizobium vignae strain ISRA400 as an effective symbiotic partner for improving the growth and productivity of groundnut crop.

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