Two new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.

Slow growing oomycete isolates with morphological resemblance to Phytophthora were obtained from forest streams during routine monitoring for the EU quarantine forest pathogen Phytophthora ramorum in Ireland and Northern Ireland. Internal Transcribed Spacer (ITS) sequence analysis indicated that the...

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Autores principales:	Richard O'Hanlon, Maria Destefanis, Ivan Milenković, Michal Tomšovský, Josef Janoušek, Stanley E Bellgard, Bevan S Weir, Tomáš Kudláček, Marilia Horta Jung, Thomas Jung
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/15204ae23e8f44a6934101f638b44406
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spelling	oai:doaj.org-article:15204ae23e8f44a6934101f638b444062021-12-02T20:05:31ZTwo new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.1932-620310.1371/journal.pone.0250527https://doaj.org/article/15204ae23e8f44a6934101f638b444062021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0250527https://doaj.org/toc/1932-6203Slow growing oomycete isolates with morphological resemblance to Phytophthora were obtained from forest streams during routine monitoring for the EU quarantine forest pathogen Phytophthora ramorum in Ireland and Northern Ireland. Internal Transcribed Spacer (ITS) sequence analysis indicated that they belonged to two previously unknown species of Nothophytophthora, a recently erected sister genus of Phytophthora. Morphological and temperature-growth studies were carried out to characterise both new species. In addition, Bayesian and Maximum-Likelihood analyses of nuclear 5-loci and mitochondrial 3-loci datasets were performed to resolve the phylogenetic positions of the two new species. Both species were sterile, formed chlamydospores and partially caducous nonpapillate sporangia, and showed slower growth than any of the six known Nothophytophthora species. In all phylogenetic analyses both species formed distinct, strongly supported clades, closely related to N. chlamydospora and N. valdiviana from Chile. Based on their unique combination of morphological and physiological characters and their distinct phylogenetic positions the two new species are described as Nothophytophthora irlandica sp. nov. and N. lirii sp. nov. Their potential lifestyle and geographic origin are discussed.Richard O'HanlonMaria DestefanisIvan MilenkovićMichal TomšovskýJosef JanoušekStanley E BellgardBevan S WeirTomáš KudláčekMarilia Horta JungThomas JungPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 5, p e0250527 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Richard O'Hanlon Maria Destefanis Ivan Milenković Michal Tomšovský Josef Janoušek Stanley E Bellgard Bevan S Weir Tomáš Kudláček Marilia Horta Jung Thomas Jung Two new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.
description	Slow growing oomycete isolates with morphological resemblance to Phytophthora were obtained from forest streams during routine monitoring for the EU quarantine forest pathogen Phytophthora ramorum in Ireland and Northern Ireland. Internal Transcribed Spacer (ITS) sequence analysis indicated that they belonged to two previously unknown species of Nothophytophthora, a recently erected sister genus of Phytophthora. Morphological and temperature-growth studies were carried out to characterise both new species. In addition, Bayesian and Maximum-Likelihood analyses of nuclear 5-loci and mitochondrial 3-loci datasets were performed to resolve the phylogenetic positions of the two new species. Both species were sterile, formed chlamydospores and partially caducous nonpapillate sporangia, and showed slower growth than any of the six known Nothophytophthora species. In all phylogenetic analyses both species formed distinct, strongly supported clades, closely related to N. chlamydospora and N. valdiviana from Chile. Based on their unique combination of morphological and physiological characters and their distinct phylogenetic positions the two new species are described as Nothophytophthora irlandica sp. nov. and N. lirii sp. nov. Their potential lifestyle and geographic origin are discussed.
format	article
author	Richard O'Hanlon Maria Destefanis Ivan Milenković Michal Tomšovský Josef Janoušek Stanley E Bellgard Bevan S Weir Tomáš Kudláček Marilia Horta Jung Thomas Jung
author_facet	Richard O'Hanlon Maria Destefanis Ivan Milenković Michal Tomšovský Josef Janoušek Stanley E Bellgard Bevan S Weir Tomáš Kudláček Marilia Horta Jung Thomas Jung
author_sort	Richard O'Hanlon
title	Two new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.
title_short	Two new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.
title_full	Two new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.
title_fullStr	Two new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.
title_full_unstemmed	Two new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.
title_sort	two new nothophytophthora species from streams in ireland and northern ireland: nothophytophthora irlandica and n. lirii sp. nov.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/15204ae23e8f44a6934101f638b44406
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Two new Nothophytophthora species from streams in Ireland and Northern Ireland: Nothophytophthora irlandica and N. lirii sp. nov.

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