Genetic diversity of rhizobia isolated from nodules of Trigonella foenum-graecum L. (fenugreek) cultivated in Northwestern Morocco

被引：0
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作者：
Najlae Belkadi
Fatima Ezzakkioui
Imane Saibari
Rajaa Chahboune
Abderrazak Rfaki
Barrijal Said
机构：
[1] Abdelmalek Essaadi University,Laboratory of Biotechnological Valorization of Microorganisms, Faculty of Sciences and Techniques of Tangier
[2] Abdelmalek Essaadi University,Life Sciences and Health Laboratory, Faculty of Medicine and Pharmacy of Tangier
[3] National Center for Scientific and Technical Research,undefined
来源：
Archives of Microbiology | 2022年 / 204卷
关键词：
-; L.; 16S rRNA; Symbiotic genes; Phylogeny; Legume–rhizobium symbiosis;
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摘要：
The present work aimed to characterize rhizobia nodulating Trigonella foenum-graecum L. (fenugreek) cultivated in six different geographical locations in Northwestern Morocco. Forty-seven rhizobial isolates from nodules of Trigonella foenum-graecum were grouped into thirteen clusters using the Rep-PCR technique. The phylogenetic analysis based on 16S rRNA gene sequences of 13 groups showed that all representative strains were closely related to members of the genus Ensifer (syn. Sinorhizobium) of the Alphaproteobacteria. All the representative strains shared 100% similarity with Ensifer medicae WSM419T. NodC and nifH gene analysis revealed a close phylogenetic relationship of the representative strains with those of the strains belonging to the symbiovar meliloti. Furthermore, nodulation ability of our rhizobial strains was efficient in their host plant (Trigonella foenum-graecum L.).
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