A PERSISTENT VIRUS INFECTION IN FELDMANNIA (PHAEOPHYCEAE)

A virus infection is described within the unilocular sporangia of Feldmannia sp., a filamentous brown alga (Phaeophyceae). The alga is easily maintained in culture and vegetative growth is vigorous, but formation of icosahedral virions 150 nm in diameter completely displaces production of zoospores....

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Veröffentlicht in:	Journal of phycology 1992-08, Vol.28 (4), p.517-526
Hauptverfasser:	Henry, Eric C., Meints, Russel H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Biological and medical sciences double-stranded DNA Feldmannia Fundamental and applied biological sciences. Psychology Marine Microbiology Morphology, structure, chemical composition, physicochemical properties Phaeophyceae Phaeophyta sporangia ultrastructure Virology virus
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Beschreibung
Zusammenfassung:	A virus infection is described within the unilocular sporangia of Feldmannia sp., a filamentous brown alga (Phaeophyceae). The alga is easily maintained in culture and vegetative growth is vigorous, but formation of icosahedral virions 150 nm in diameter completely displaces production of zoospores. The viruses, estimated at 1-5 x 10 super(6) per sporangium, are eventually released by rupture of the sporangial wall. Deoxyribonucleic acid (DNA) isolated from the viruses can be readily digested with restriction endonucleases and consists of ca. 170 kbp of double-stranded DNA.
ISSN:	0022-3646 1529-8817
DOI:	10.1111/j.0022-3646.1992.00517.x