Abstract
Ultrastructure of Frankia strains DtI1, DsI1 and ReI1, isolated from Discaria trinervis, D. serratifolia andRetanilla ephedra, was determined by transmission and scanning electron microscopy, both in the actinorhizal nodules and in the free state. The three strains showed similar structural features. Septated hypha, of 0.6 to 0.9µm in diameter, produced sporangia and vesicles in vitro, but only vesicles in actinorhizae. Vesicles were spherical, of 2.4 to 3.8µm in diameter and septated. Comparative studies of the vesicles produced in vitro and in vivo show that the bilaminar layer surrounding the vesicle void area is continuous to the hyphal cell wall, suggesting that this bilaminar structure is the vesicle cell wall.
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© 1989 Kluwer Academic Publishers
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Longeri, L., Abarzua, M. (1989). Ultrastructure of Frankia isolated from three Chilean shrubs (Rhamnaceae). In: Skinner, F.A., Boddey, R.M., Fendrik, I. (eds) Nitrogen Fixation with Non-Legumes. Developments in Plant and Soil Sciences, vol 35. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0889-5_5
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DOI: https://doi.org/10.1007/978-94-009-0889-5_5
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