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Article Dans Une Revue Fungal Ecology Année : 2016

Zoosporic parasites infecting marine diatoms – A black box that needs to be opened

Bettina Scholz
  • Fonction : Auteur
Agostina V. Marano
  • Fonction : Auteur
Sigrid Neuhauser
  • Fonction : Auteur
Brooke K. Sullivan
  • Fonction : Auteur
Ulf Karsten
  • Fonction : Auteur
  • PersonId : 882225
Frithjof C. Küpper
  • Fonction : Auteur
Frank H. Gleason
  • Fonction : Auteur

Résumé

Living organisms in aquatic ecosystems are almost constantly confronted by pathogens. Nevertheless, very little is known about diseases of marine diatoms, the main primary producers of the oceans. Only a few examples of marine diatoms infected by zoosporic parasites are published, yet these studies suggest that diseases may have significant impacts on the ecology of individual diatom hosts and the composition of communities at both the producer and consumer trophic levels of food webs. Here we summarize available ecological and morphological data on chytrids, aphelids, stramenopiles (including oomycetes, labyrinthuloids, and hyphochytrids), parasitic dinoflagellates, cercozoans and phytomyxids, all of which are known zoosporic parasites of marine diatoms. Difficulties in identification of host and pathogen species and possible effects of environmental parameters on the prevalence of zoosporic parasites are discussed. Based on published data, we conclude that zoosporic parasites are much more abundant in marine ecosystems than the available literature reports, and that, at present, both the diversity and the prevalence of such pathogens are underestimated.

Dates et versions

hal-01253978 , version 1 (11-01-2016)

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Citer

Bettina Scholz, Laure Guillou, Agostina V. Marano, Sigrid Neuhauser, Brooke K. Sullivan, et al.. Zoosporic parasites infecting marine diatoms – A black box that needs to be opened. Fungal Ecology, 2016, 19, pp.59-76. ⟨10.1016/j.funeco.2015.09.002⟩. ⟨hal-01253978⟩
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