A virus infection inMyriotrichia clavaeformis (Dictyosiphonales,Phaeophyceae) from Argentina |
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| Authors: | D. G. Müller S. Wolf E. R. Parodi |
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| Affiliation: | (1) Fakultät für Biologie, Universität Konstanz, Postfach 5560, D-78434 Konstanz, Federal Republic of Germany;(2) Departamento de Biología y Bioquímica, Universidad Nacional del Sur and Instituto Argentino de Oceanografía, Bahíia Blanca |
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| Abstract: | Summary Virus-infected plants ofMyriotrichia clavaeformis from the coast of Argentina are sterile and produce viras particles in lateral vesicles homologous to plurilocular sporangia of normal plants. Virions are released into the surrounding sea water and can infect swimming spores of healthyMyriotrichia plants. Virus particles are hexagonal in cross section with a diameter of 170–180 nm and have an envelope with an electron dense core. Similar viruses are known for several genera in the order Ectocarpales. This is the first record of an infectious agent in the order Dictyosiphonales, which contains thalli with more complex tissues and life histories.Dedicated to Prof. Dr. Dr. h.c. Eberhard Schnepf on the occasion of his retirement |
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| Keywords: | Dictyosiphonales Infection Myriotrichia clavaeformis Phaeophyceae Virus |
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