New record and phylogenetic affinities of the oomycete Olpidiopsis feldmanni infecting Asparagopsis sp. (Rhodophyta)

Kyle Fletcher; Ante  Zuljevic; Amerssa Tsirigoti; Boris  Antolic; Christos I. Katsaros; Vedran Nikolic; Pieter Van West; Frithjof Christian Kuepper

doi:10.3354/dao02930

New record and phylogenetic affinities of the oomycete Olpidiopsis feldmanni infecting Asparagopsis sp. (Rhodophyta)

Kyle Fletcher, Ante Zuljevic, Amerssa Tsirigoti, Boris Antolic, Christos I. Katsaros, Vedran Nikolic, Pieter Van West, Frithjof Christian Kuepper

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

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Abstract

A new geographic record of Olpidiopsis feldmanni infecting the tetrasporophytic stage of Asparagopsis sp. from the Adriatic Sea, confirmed through morphological identification, allowed us to expand previous observations of this organism. Ultrastructural investigations of environmental material showed a large central vacuole and a cell wall thicker than previously reported from other basal oomycete pathogens of algae. Phylogenetic analysis closely associates O. feldmanni to Olpidiopsis bostrychiae concurrent with structural observations. This constitutes the first genetic characterisation of an Olpidiopsis species that was initially described before 1960, adding to the genetic data of three other marine Olpidiopsis species established and genetically characterised since the millennium. The paper discusses concurrences of the ultrastructural observations made here and in previous studies of the marine Olpidiopsis species with those made on the freshwater studies.

Original language	English
Pages (from-to)	45-57
Number of pages	13
Journal	Diseases of Aquatic Organisms
Volume	117
Issue number	1
Early online date	17 Nov 2015
DOIs	https://doi.org/10.3354/dao02930
Publication status	Published - 2015

Keywords

central vacuole
cyochrome oxidase subunit II
COII
SSU rRNA
Falkenbergia
transmission electron microscopy
TEM
Adriatic Sea

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10.3354/dao02930Licence: CC BY

New record and phylogenetic affinities of the oomycete Olpidiopsis feldmanni infecting Asparagopsis sp. (Rhodophyta)
© The authors 2015. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. http://creativecommons.org/licenses/by/4.0/
Final published version, 2.4 MBLicence: CC BY

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New record and phylogenetic affinities of the oomycete Olpidiopsis feldmanni infecting Asparagopsis sp. (Rhodophyta). / Fletcher, Kyle; Zuljevic, Ante ; Tsirigoti, Amerssa; Antolic, Boris ; Katsaros, Christos I.; Nikolic, Vedran; Van West, Pieter ; Kuepper, Frithjof Christian.

In: Diseases of Aquatic Organisms, Vol. 117, No. 1, 2015, p. 45-57.

Research output: Contribution to journal › Article › peer-review

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abstract = "A new geographic record of Olpidiopsis feldmanni infecting the tetrasporophytic stage of Asparagopsis sp. from the Adriatic Sea, confirmed through morphological identification, allowed us to expand previous observations of this organism. Ultrastructural investigations of environmental material showed a large central vacuole and a cell wall thicker than previously reported from other basal oomycete pathogens of algae. Phylogenetic analysis closely associates O. feldmanni to Olpidiopsis bostrychiae concurrent with structural observations. This constitutes the first genetic characterisation of an Olpidiopsis species that was initially described before 1960, adding to the genetic data of three other marine Olpidiopsis species established and genetically characterised since the millennium. The paper discusses concurrences of the ultrastructural observations made here and in previous studies of the marine Olpidiopsis species with those made on the freshwater studies. ",

keywords = "central vacuole, cyochrome oxidase subunit II, COII, SSU rRNA, Falkenbergia, transmission electron microscopy, TEM, Adriatic Sea",

author = "Kyle Fletcher and Ante Zuljevic and Amerssa Tsirigoti and Boris Antolic and Katsaros, {Christos I.} and Vedran Nikolic and {Van West}, Pieter and Kuepper, {Frithjof Christian}",

note = "Date of Acceptance: 14/09/2015 Acknowledgements. We are grateful to the Total Foundation (Paris) for its funding support to this study, to the UK Natural Environment Research Council (NERC) for a doctoral fellowship to K.F. and to the MASTS pooling initiative (Marine Alliance for Science and Technology for Scotland, funded by the Scottish Funding Council and contributing institutions; grant reference HR09011).",

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