Publikation: Infection experiments reveal broad host ranges of Eurychasma dicksonii (Oomycota) and Chytridium polysiphoniae (Chytridiomycota), two eukaryotic parasites in marine brown algae (Phaeophyceae)
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1999
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Phycological Research. 1999, 47(3), pp. 217-223. ISSN 1322-0829. eISSN 1440-1835. Available under: doi: 10.1046/j.1440-1835.1999.00165.x
Zusammenfassung
Unialgal cultures of the brown alga Pylaiella littoralis (L.) Kjellman infected by either Eurychasma dicksonii (Wright) Magnus (Oomycota) or Chytridium polysiphoniae (Cohn) H. E. Petersen (Chytridiomycota) were used to elaborate the host ranges of these pathogens. Infection experiments with 48 host species covering 13 orders of the Phaeophyceae showed that 45 species were susceptible to attack by Eurychasma and 23 to Chytridium. The two pathogens showed host-specific differences in generation times: while in Pylaiella the shortest cycles were 16 days for Eurychasma and 6 days for Chytridium, one and five days more, respectively, were required in Acinetospora. Heavy parasite attack on the microscopic stages of host species with heteromorphic life histories, like kelps (Laminariales), is documented and discussed as a potential regulatory factor for the population dynamics of macroalgae.
Zusammenfassung in einer weiteren Sprache
Fachgebiet (DDC)
570 Biowissenschaften, Biologie
Schlagwörter
Chytridiomycota, Chytridium, Eurychasma, host range, Oomycota, parasitism, Phaeophyceae, Pylaiella, temperature tolerance
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MÜLLER, Dieter G., Frithjof Christian KÜPPER, Hendrik KÜPPER, 1999. Infection experiments reveal broad host ranges of Eurychasma dicksonii (Oomycota) and Chytridium polysiphoniae (Chytridiomycota), two eukaryotic parasites in marine brown algae (Phaeophyceae). In: Phycological Research. 1999, 47(3), pp. 217-223. ISSN 1322-0829. eISSN 1440-1835. Available under: doi: 10.1046/j.1440-1835.1999.00165.xBibTex
@article{Muller1999Infec-9654,
year={1999},
doi={10.1046/j.1440-1835.1999.00165.x},
title={Infection experiments reveal broad host ranges of Eurychasma dicksonii (Oomycota) and Chytridium polysiphoniae (Chytridiomycota), two eukaryotic parasites in marine brown algae (Phaeophyceae)},
number={3},
volume={47},
issn={1322-0829},
journal={Phycological Research},
pages={217--223},
author={Müller, Dieter G. and Küpper, Frithjof Christian and Küpper, Hendrik}
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<dcterms:abstract xml:lang="eng">Unialgal cultures of the brown alga Pylaiella littoralis (L.) Kjellman infected by either Eurychasma dicksonii (Wright) Magnus (Oomycota) or Chytridium polysiphoniae (Cohn) H. E. Petersen (Chytridiomycota) were used to elaborate the host ranges of these pathogens. Infection experiments with 48 host species covering 13 orders of the Phaeophyceae showed that 45 species were susceptible to attack by Eurychasma and 23 to Chytridium. The two pathogens showed host-specific differences in generation times: while in Pylaiella the shortest cycles were 16 days for Eurychasma and 6 days for Chytridium, one and five days more, respectively, were required in Acinetospora. Heavy parasite attack on the microscopic stages of host species with heteromorphic life histories, like kelps (Laminariales), is documented and discussed as a potential regulatory factor for the population dynamics of macroalgae.</dcterms:abstract>
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