Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1111/j.1472-765X.2008.02389.x |
Phenotypic and genotypic characteristics of Acacia senegal (L.) Willd. root-nodulating bacteria isolated from soils in the dryland part of Senegal | |
Fall, D.1,2; Diouf, D.1,2; Ourarhi, M.; Faye, A.2; Abdelmounen, H.; Neyra, M.3; Sylla, S. N.1,2; El Idrissi, M. Missbah | |
通讯作者 | Diouf, D. |
来源期刊 | LETTERS IN APPLIED MICROBIOLOGY
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ISSN | 0266-8254 |
出版年 | 2008 |
卷号 | 47期号:2页码:85-97 |
英文摘要 | Aims: We characterized phenotypically and genotypically root-nodulating bacteria associated with Acacia senegal (L.) Willd. isolated from the soils surrounding A. senegal trees in the dry land area of Senegal. Methods and Results: The phenotypical and genotypical characterizations we carried out showed a high diversity of A. senegal root-nodulating bacteria. Phenotypic patterns showed adaptations of the rhizobial strains to many environmental stresses such as heat, drought, and salinity. Twelve molecular groups were distinguished by profiles obtained using polymerase chain reaction/restriction fragment length polymorphism techniques from intergenic spacer region rDNA. The highest genetic diversity was found around the A. senegal rhizosphere. Therefore, A. senegal seemed to have a positive influence on occurrence and genotypical diversity of rhizobial populations. Rhizobial isolates obtained in this study belonged phylogenetically to the genera Mesorhizobium and Rhizobium. Conclusions: Our results provided information about the genetic diversity of the rhizobial strains associated with A. senegal and suggested the adaptability of natural rhizobial populations to major ecological environmental stress within these soil environments. Significance and Impact of the Study: These results suggested a potential selection of compatible and well adapted strains under stress conditions as inoculants for successful A. senegal growth in arid lands. |
英文关键词 | acacia senegal diversity ecology genotyping molecular genetic stress response symbiosis |
类型 | Article |
语种 | 英语 |
国家 | Senegal ; France |
收录类别 | SCI-E |
WOS记录号 | WOS:000258220400004 |
WOS关键词 | RHIZOBIAL POPULATIONS ; NITROGEN-FIXATION ; ANTIBIOTIC-RESISTANCE ; NATURAL-POPULATIONS ; LEGUMINOUS TREES ; SONORAN DESERT ; SP-NOV ; STRAINS ; TOLERANCE ; DIVERSITY |
WOS类目 | Biotechnology & Applied Microbiology ; Microbiology |
WOS研究方向 | Biotechnology & Applied Microbiology ; Microbiology |
来源机构 | French National Research Institute for Sustainable Development |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/158516 |
作者单位 | 1.Univ Cheikh Anta Diop, Dept Biol Veg, Dakar, Senegal; 2.UCAD, IRD, ISRA, Lab Commun Microbiol, Dakar, Senegal; 3.USC INRA 1242, IRD UMR 113, IRD CIRAD AGRO M UM2, Lab Symbioses Trop & Mediterraneennes, Montpellier, France |
推荐引用方式 GB/T 7714 | Fall, D.,Diouf, D.,Ourarhi, M.,et al. Phenotypic and genotypic characteristics of Acacia senegal (L.) Willd. root-nodulating bacteria isolated from soils in the dryland part of Senegal[J]. French National Research Institute for Sustainable Development,2008,47(2):85-97. |
APA | Fall, D..,Diouf, D..,Ourarhi, M..,Faye, A..,Abdelmounen, H..,...&El Idrissi, M. Missbah.(2008).Phenotypic and genotypic characteristics of Acacia senegal (L.) Willd. root-nodulating bacteria isolated from soils in the dryland part of Senegal.LETTERS IN APPLIED MICROBIOLOGY,47(2),85-97. |
MLA | Fall, D.,et al."Phenotypic and genotypic characteristics of Acacia senegal (L.) Willd. root-nodulating bacteria isolated from soils in the dryland part of Senegal".LETTERS IN APPLIED MICROBIOLOGY 47.2(2008):85-97. |
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