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- Title
First report on the occurrence of the uncultivated cluster 2 <i>Frankia</i> microsymbionts in soil outside the native actinorhizal host range area.
- Authors
Nouioui, Imen; Sbissi, Imed; Ghodhbane-Gtari, Faten; Benbrahim, Kawtar Fikri; Normand, Philippe; Gtari, Maher
- Abstract
The occurrence of uncultivated Frankia was evaluated in Tunisian soils by a plant-trapping assay using Coriaria myrtifolia seedlings. Despite the lack of this compatible host plant for more than two centuries, soil-borne Frankia cells were detected in one sampled soil as shown by the development of root nodules on 2-year-old seedlings. Based on glnA sequences, Tunisian trapped Frankia strains belong to the uncultivated cluster 2 strains that associate with other Coriaria species and also with Ceanothus, Datisca and Rosaceae actinorhizal species. This is the first report on the occurrence of Frankia cluster 2 strains in soils from areas lacking compatible host plant groups.
- Subjects
FRANKIA; BACTERIAL cultures; ACTINORHIZAL plants; PLANT-bacteria relationships; BACTERIAL cells; SOIL microbiology
- Publication
Journal of Biosciences, 2013, Vol 38, Issue 4, p695
- ISSN
0250-5991
- Publication type
Article
- DOI
10.1007/s12038-013-9366-z