A New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†

Obligate endoparasitic oomycetes are known to ubiquitously occur in marine and freshwater diatoms, but their diversity is still largely unexplored. Many of these parasitoids are members of the early-diverging oomycete lineages (Miracula, Diatomophthora), others are within the Leptomitales of the Sap...

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Autores principales:	Anthony T. Buaya, Bettina Scholz, Marco Thines
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2021
Materias:	bacillariaphyceae oomycetes parasitoid phylogeny thalassiosira one new species Botany QK1-989
Acceso en línea:	https://doaj.org/article/d817373342da476b8db62cc0704870ac
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spelling	oai:doaj.org-article:d817373342da476b8db62cc0704870ac2021-12-01T14:40:58ZA New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†1229-80932092-932310.1080/12298093.2021.1952813https://doaj.org/article/d817373342da476b8db62cc0704870ac2021-07-01T00:00:00Zhttp://dx.doi.org/10.1080/12298093.2021.1952813https://doaj.org/toc/1229-8093https://doaj.org/toc/2092-9323Obligate endoparasitic oomycetes are known to ubiquitously occur in marine and freshwater diatoms, but their diversity is still largely unexplored. Many of these parasitoids are members of the early-diverging oomycete lineages (Miracula, Diatomophthora), others are within the Leptomitales of the Saprolegniomycetes (Ectrogella, Lagenisma) and some have been described in the Peronosporomycetes (Aphanomycopsis, Lagenidium). Even though some species have been recently described and two new genera were introduced (Miracula and Diatomophthora), the phylogeny and taxonomy of most of these organisms remain unresolved. This is contrasted by the high number of sequences from unclassified species, as recently revealed from environmental sequencing, suggesting the presence of several undiscovered species. In this study, a new species of Miracula is reported from a marine centric diatom (Minidiscus sp.) isolated from Skagaströnd harbor in Northwest Iceland. The morphology and life cycle traits of this novel oomycete parasite are described herein, and its taxonomic placement within the genus Miracula is confirmed by molecular phylogeny. As it cannot be assigned to any previously described species, it is introduced as Miracula islandica in this study. The genus Miracula thus contains three described holocarpic species (M. helgolandica, M. islandica, M. moenusica) to which likely additional species will need to be added in the future, considering the presence of several lineages known only from environmental sequencing that clustered within the Miracula clade.Anthony T. BuayaBettina ScholzMarco ThinesTaylor & Francis Grouparticlebacillariaphyceaeoomycetesparasitoidphylogenythalassiosiraone new speciesBotanyQK1-989ENMycobiology, Vol 49, Iss 4, Pp 355-362 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	bacillariaphyceae oomycetes parasitoid phylogeny thalassiosira one new species Botany QK1-989
spellingShingle	bacillariaphyceae oomycetes parasitoid phylogeny thalassiosira one new species Botany QK1-989 Anthony T. Buaya Bettina Scholz Marco Thines A New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†
description	Obligate endoparasitic oomycetes are known to ubiquitously occur in marine and freshwater diatoms, but their diversity is still largely unexplored. Many of these parasitoids are members of the early-diverging oomycete lineages (Miracula, Diatomophthora), others are within the Leptomitales of the Saprolegniomycetes (Ectrogella, Lagenisma) and some have been described in the Peronosporomycetes (Aphanomycopsis, Lagenidium). Even though some species have been recently described and two new genera were introduced (Miracula and Diatomophthora), the phylogeny and taxonomy of most of these organisms remain unresolved. This is contrasted by the high number of sequences from unclassified species, as recently revealed from environmental sequencing, suggesting the presence of several undiscovered species. In this study, a new species of Miracula is reported from a marine centric diatom (Minidiscus sp.) isolated from Skagaströnd harbor in Northwest Iceland. The morphology and life cycle traits of this novel oomycete parasite are described herein, and its taxonomic placement within the genus Miracula is confirmed by molecular phylogeny. As it cannot be assigned to any previously described species, it is introduced as Miracula islandica in this study. The genus Miracula thus contains three described holocarpic species (M. helgolandica, M. islandica, M. moenusica) to which likely additional species will need to be added in the future, considering the presence of several lineages known only from environmental sequencing that clustered within the Miracula clade.
format	article
author	Anthony T. Buaya Bettina Scholz Marco Thines
author_facet	Anthony T. Buaya Bettina Scholz Marco Thines
author_sort	Anthony T. Buaya
title	A New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†
title_short	A New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†
title_full	A New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†
title_fullStr	A New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†
title_full_unstemmed	A New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†
title_sort	new marine species of miracula (oomycota) parasitic to minidiscus sp. in iceland†
publisher	Taylor & Francis Group
publishDate	2021
url	https://doaj.org/article/d817373342da476b8db62cc0704870ac
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A New Marine Species of Miracula (Oomycota) Parasitic to Minidiscus sp. in Iceland†

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