Prevalence and seasonal variation of Olpidiopsis porphyrae (Oomycota) infecting red algal Bangiales from the Southern Pacific

Pedro Murúa; Liliana Muñoz; Yacine Badis; Pieter van West; Claire M.M. Gachon

doi:10.1080/09670262.2024.2383980

Prevalence and seasonal variation of Olpidiopsis porphyrae (Oomycota) infecting red algal Bangiales from the Southern Pacific

Pedro Murúa^* (Corresponding Author)
, Liliana Muñoz
, Yacine Badis
, Pieter van West
, Claire M.M. Gachon

^*Corresponding author for this work

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

Abstract

The Bangiales are one of the most common seaweeds in sub-Antarctic and Southeastern Pacific upper intertidal habitats. Here we report records of an ‘olpidioid’ marine obligate parasite infecting Bangiales between 39°20′–41°44′S in the Southeastern Pacific for the first time. The disease resembles the ‘Olpidiopsis blight disease’ reported for farmed Bangiales in Japan and Korea and wild Pyropia from Scotland morphologically and developmentally. The Chilean isolate infects commercial Chilean laver or ‘luche’ (Porphyra sensu lato) and Bangia sensu lato from wild populations in the Southeastern Pacific. Phylogenetic markers (cox2, 18S) identify it as Olpidiopsis porphyrae. We relate the occurrence of this pathogen to both ‘luche’ fisheries in Chile and the potential consequences for its emergent aquaculture in the Southeastern Pacific.

Original language	English
Pages (from-to)	436-445
Number of pages	10
Journal	European journal of phycology
Volume	59
Issue number	4
Early online date	2 Sept 2024
DOIs	https://doi.org/10.1080/09670262.2024.2383980
Publication status	Published - Oct 2024

Bibliographical note

We acknowledge Pedro P. Murúa Marin for sampling assistance, and Maryoris Jara from the Unidad de Microscopía Electrónica (UME-UACh) for TEM imaging support. We also would like to thank the three reviewers and Professor Juliet Brodie (NHM) who significantly improved the earliest version of this manuscript.

Data Availability Statement

Data obtained in the experiments herein can be available upon request.

Supplementary material is accessible via the Supplementary Content tab on the article’s online page at https://doi.org/10.1080/09670262.2024.2383980

Funding

GlobalseaweedSTAR Research fund [GSS/RF/019] and INACh [RT_42-20] funded PM, LM, and CMMG, and Safe Seaweed Coalition fund [LS249289] and Nucleo Milenio MASH [NCN2021_033] funded PM and LM.

Funders	Funder number
GlobalseaweedSTAR	GSS/RF/019
Instituto Antártico Chileno	RT_42-20
Global Seaweed Coalition	LS249289
Nucleo Millenio MASH	NCN2021_033

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 14 Life Below Water

Keywords

cox2
Olpidiopsis blight disease
peronosporomycete
pseudofungi
SSU

Access to Document

10.1080/09670262.2024.2383980Licence: Unspecified

Cite this

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title = "Prevalence and seasonal variation of Olpidiopsis porphyrae (Oomycota) infecting red algal Bangiales from the Southern Pacific",

abstract = "The Bangiales are one of the most common seaweeds in sub-Antarctic and Southeastern Pacific upper intertidal habitats. Here we report records of an {\textquoteleft}olpidioid{\textquoteright} marine obligate parasite infecting Bangiales between 39°20′–41°44′S in the Southeastern Pacific for the first time. The disease resembles the {\textquoteleft}Olpidiopsis blight disease{\textquoteright} reported for farmed Bangiales in Japan and Korea and wild Pyropia from Scotland morphologically and developmentally. The Chilean isolate infects commercial Chilean laver or {\textquoteleft}luche{\textquoteright} (Porphyra sensu lato) and Bangia sensu lato from wild populations in the Southeastern Pacific. Phylogenetic markers (cox2, 18S) identify it as Olpidiopsis porphyrae. We relate the occurrence of this pathogen to both {\textquoteleft}luche{\textquoteright} fisheries in Chile and the potential consequences for its emergent aquaculture in the Southeastern Pacific.",

keywords = "cox2, Olpidiopsis blight disease, peronosporomycete, pseudofungi, SSU",

author = "Pedro Mur{\'u}a and Liliana Mu{\~n}oz and Yacine Badis and \{van West\}, Pieter and Gachon, \{Claire M.M.\}",

note = "We acknowledge Pedro P. Mur{\'u}a Marin for sampling assistance, and Maryoris Jara from the Unidad de Microscop{\'i}a Electr{\'o}nica (UME-UACh) for TEM imaging support. We also would like to thank the three reviewers and Professor Juliet Brodie (NHM) who significantly improved the earliest version of this manuscript.",

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AU - Muñoz, Liliana

AU - Badis, Yacine

AU - van West, Pieter

AU - Gachon, Claire M.M.

N1 - We acknowledge Pedro P. Murúa Marin for sampling assistance, and Maryoris Jara from the Unidad de Microscopía Electrónica (UME-UACh) for TEM imaging support. We also would like to thank the three reviewers and Professor Juliet Brodie (NHM) who significantly improved the earliest version of this manuscript.

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N2 - The Bangiales are one of the most common seaweeds in sub-Antarctic and Southeastern Pacific upper intertidal habitats. Here we report records of an ‘olpidioid’ marine obligate parasite infecting Bangiales between 39°20′–41°44′S in the Southeastern Pacific for the first time. The disease resembles the ‘Olpidiopsis blight disease’ reported for farmed Bangiales in Japan and Korea and wild Pyropia from Scotland morphologically and developmentally. The Chilean isolate infects commercial Chilean laver or ‘luche’ (Porphyra sensu lato) and Bangia sensu lato from wild populations in the Southeastern Pacific. Phylogenetic markers (cox2, 18S) identify it as Olpidiopsis porphyrae. We relate the occurrence of this pathogen to both ‘luche’ fisheries in Chile and the potential consequences for its emergent aquaculture in the Southeastern Pacific.

AB - The Bangiales are one of the most common seaweeds in sub-Antarctic and Southeastern Pacific upper intertidal habitats. Here we report records of an ‘olpidioid’ marine obligate parasite infecting Bangiales between 39°20′–41°44′S in the Southeastern Pacific for the first time. The disease resembles the ‘Olpidiopsis blight disease’ reported for farmed Bangiales in Japan and Korea and wild Pyropia from Scotland morphologically and developmentally. The Chilean isolate infects commercial Chilean laver or ‘luche’ (Porphyra sensu lato) and Bangia sensu lato from wild populations in the Southeastern Pacific. Phylogenetic markers (cox2, 18S) identify it as Olpidiopsis porphyrae. We relate the occurrence of this pathogen to both ‘luche’ fisheries in Chile and the potential consequences for its emergent aquaculture in the Southeastern Pacific.

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M3 - Article

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JO - European journal of phycology

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ER -

Prevalence and seasonal variation of Olpidiopsis porphyrae (Oomycota) infecting red algal Bangiales from the Southern Pacific

Abstract

Bibliographical note

Data Availability Statement

Funding

UN SDGs

Keywords

Access to Document

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