Transfer of a marine DNA virus fromEctocarpus toFeldmannia (Ectocarpales,Phaeophyceae): aberrant symptoms and restitution of the host |
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Authors: | D G Müller Elisa Parodi |
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Institution: | (1) Fakultät für Biologie der Universität Konstanz, D-78434 Konstanz, Federal Republic of Germany;(2) Departamento de Biologia, Universidad Nacional del Sur, Bahia Bianca |
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Abstract: | Summary The marine brown algaEctocarpus siliculosus is invaded by a polyhedric virus, whose genome consists of circular, double-stranded DNA. In laboratory experiments this virus can infect a different host species,Feldmannia simplex. InfectedFeldmannia plants show severe somatic malformations. However, no functional virus particles are formed. SuchFeldmannia plants recover to resume a normal, symptom-free appearance. This result raises the possibility of intergeneric gene transfer in the natural habitat. |
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Keywords: | Ectocarpus Feldmannia Phaeophyceae DNA-virus marine Intergeneric gene transfer |
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