The new chytridiomycete Paradinomyces triforaminorum gen. et sp. nov. co-occurs with other parasitoids during a Kryptoperidinium foliaceum (Dinophyceae) bloom in the Baltic Sea

Rene Albert; Alacid Elisabet; Vishnyakov Andrey E.Seto KensukeTcvetkova Victoria S.Gordi JordinaKagami MaikoKremp AnkeGarces EstherKarpov Sergey A.

首页> 外文期刊>Harmful Algae >The new chytridiomycete Paradinomyces triforaminorum gen. et sp. nov. co-occurs with other parasitoids during a Kryptoperidinium foliaceum (Dinophyceae) bloom in the Baltic Sea

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The new chytridiomycete Paradinomyces triforaminorum gen. et sp. nov. co-occurs with other parasitoids during a Kryptoperidinium foliaceum (Dinophyceae) bloom in the Baltic Sea

机译：The new chytridiomycete Paradinomyces triforaminorum gen. et sp. nov. co-occurs with other parasitoids during a Kryptoperidinium foliaceum (Dinophyceae) bloom in the Baltic Sea

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A new chytrid genus and species was isolated and cultured from samples obtained in the Baltic Sea during a dinoflagellate bloom event. This species is characterized by having a spherical sporangium without papillae and zoospores of 2-3 mu m in diameter that are released through 3 discharge pores. Molecular phylogeny based on ribosomal operon showed its sister position to the Dinomyces cluster in Rhizophydiales. Zoospores lack fenestrated cisternae but contain a paracrystalline inclusion, found in a Rhizophydiales representative for the first time. Additionally, the kinetid features are uncommon for Rhizophydiales and only observed in Dinomyces representatives so far. These morphological features and its phylogenetic relationships justify the description of the new genus and speciesParadinomyces triforaminorum gen. nov. sp. nov. belonging to the family Dinomycetaceae. The chytrid was detected during a high-biomass bloom of the dinoflagellate Kryptoperidinium foliaceum. Laboratory experiments suggest this species is highly specific and demonstrate the impact it can have on HAB development. The chytrid co-occurred with three other parasites belonging to Chytridiomycota (Fungi) and Perkinsea (Alveolata), highlighting that parasitic interactions are common during HABs in brackish and marine systems, and these multiple parasites compete for similar hosts.

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《Harmful Algae》 |2022年第12期|102352.1-102352.11|共11页
作者
Rene Albert; Alacid Elisabet; Vishnyakov Andrey E.Seto KensukeTcvetkova Victoria S.Gordi JordinaKagami MaikoKremp AnkeGarces EstherKarpov Sergey A.;
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CSIC;

Univ Oxford;

St Petersburg State UnivYokohama Natl UnivLeibniz Inst Baltic Sea Res WarnemuendeSt Petersburg State Univ||Russian Acad Sci||North Western State Med Univ;

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正文语种英语
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Marine chytrids; Dinomycetaceae; Ultrastructure; Molecular phylogeny; Paracrystalline inclusion; Host specificity;

The new chytridiomycete Paradinomyces triforaminorum gen. et sp. nov. co-occurs with other parasitoids during a Kryptoperidinium foliaceum (Dinophyceae) bloom in the Baltic Sea

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