Wall formation in the saprolegniales |
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| Authors: | I. B. Heath A. D. Greenwood |
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| Affiliation: | (1) Department of Botany and Plant Technology, Imperial College, Prince Consort Road, S. W. 7 London, England;(2) Present address: Department of Botany, University of Georgia, 30601 Athens, Georgia, USA |
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| Abstract: | Summary The primary and secondary cysts of Saprolegnia ferax and the secondary cysts of Dictyuchus sterile have a two layered wall structure, the outer layer of which bears various types of spines. These spines, and the outer wall layer are derived from preformed structures (bars) found in the cytoplasm prior to encystment. Golgi derived vesicles appear to contribute to the inner layer of the primary cyst wall of S. ferax. The outer surface of the secondary cyst walls of this species has fibrils which are not embedded in matrix material. |
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