Validation study identifies a new rhizobial species from Ononis repens, suggesting novel agricultural applications.
Mesorhizobium maamorense sp. nov. is a novel rhizobial species isolated from Ononis repens nodules in Morocco. The type strain, ORM16ᵀ (= DSM 116631ᵀ = CCMM B1359ᵀ), is phylogenetically related to M. opportunistum but clearly distinct based on MLSA and whole-genome analysis (ANI 87.63%, dDDH 31.2%). This Gram-negative, aerobic rod-shaped bacterium possesses canonical nod genes and shows moderate stress tolerance. The species name refers to the Maâmora forest, its site of origin.
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Soufiane Alami (2026) studied this question.
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