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Authors Garcias-Bonet, N; Sherman, TD; Duarte, CM; Marba, N
Author Full Name Garcias-Bonet, Neus; Sherman, Timothy D.; Duarte, Carlos M.; Marba, Nuria
Title Distribution and Pathogenicity of the Protist Labyrinthula sp in western Mediterranean Seagrass Meadows
Source ESTUARIES AND COASTS
Language English
Document Type Article
Author Keywords Labyrinthula sp.; Marine pathogen; Seagrass; Posidonia oceanica; Wasting disease; Balearic Islands
Keywords Plus WASTING DISEASE PATHOGEN; ZOSTERA-MARINA; EELGRASS; SALINITY; DYNAMICS; AGENT
Abstract The presence of the pathogenic protist Labyrinthula sp., the causative agent of seagrass wasting disease and mass mortality events, was assessed in 18 seagrass meadows in the Balearic region (western Mediterranean). This protist was found in 70% of seagrass meadows investigated and in all seagrass species present in the region (i.e., Posidonia oceanica, Cymodocea nodosa, and Zostera noltii). Labyrinthula spp. cultures isolated from seven P. oceanica and one Thalassia testudinum meadows were used as inocula to perform cross-infection experiments in order to test seagrass vulnerability to Labyrinthula spp. infection. These isolates produced lesions on P. oceanica and other seagrass species (Zostera marina, Z. noltii, and C. nodosa). P. oceanica and Z. noltii, both species autochthonous to the Mediterranean Sea, were the seagrasses most vulnerable to infection by the tested isolates. One of the P. oceanica isolates of Labyrinthula sp. also infected the Atlantic seagrass Z. marina, and all of the Mediterranean seagrasses were infected by Labyrinthula sp. isolated from the T. testudinum, native to the Caribbean and Gulf of Mexico. This work confirms that Labyrinthula sp. is commonly found on seagrasses of the Mediterranean Sea and demonstrates that Labyrinthula sp. can infect seagrasses in different genera, in contrast to previous studies where Labyrinthula sp. was considered to be genus-specific. This finding points out the broadly pathogenic nature of some Labyrinthula sp. isolates. Finally, this work identifies Labyrinthula sp. as a possible detrimental agent for P. oceanica.
Author Address [Garcias-Bonet, Neus; Duarte, Carlos M.; Marba, Nuria] IMEDEA CSIC UIB, Inst Mediterrani Estudis Avancats, Dept Global Change Res, Esporles 07190, Spain; [Sherman, Timothy D.] Univ S Alabama, Dept Biol, Mobile, AL 36688 USA; [Duarte, Carlos M.] Univ Western Australia, UWA Oceans Inst, Crawley, WA 6009, Australia
Reprint Address Garcias-Bonet, N (corresponding author), IMEDEA CSIC UIB, Inst Mediterrani Estudis Avancats, Dept Global Change Res, Miquel Marques 21, Esporles 07190, Spain.
E-mail Address neus@imedea.uib-csic.es; carlos.duarte@uwa.edu.aus
ResearcherID Number Marba, Nuria/N-8143-2019; Marba, Nuria/H-8136-2015; Duarte, Carlos M/A-7670-2013
ORCID Number Marba, Nuria/0000-0002-8048-6789; Marba, Nuria/0000-0002-8048-6789; Duarte, Carlos M/0000-0002-1213-1361; Garcias-Bonet, Neus/0000-0001-6469-7167
Funding Agency and Grant Number Fundacion BBVABBVA Foundation; Spanish Ministry of Environment [55/2002]; Spanish Marine Science and Technology program [CTM2009-07013]; Government of the Balearic Islands
Funding Text This work was funded by the Fundacion BBVA (project Praderas), the Spanish Ministry of Environment (project ref: 55/2002), and the Spanish Marine Science and Technology program (project MEDEICG, CTM2009-07013). We thank Anne Boettcher and Dan Martin for providing unpublished information and for their advice. We also extend thanks to Steve Dudgeon for his help with statistical analysis. We are grateful to Regino Martinez for assistance in the field. NGB was funded by a scholarship from the Government of the Balearic Islands.
Times Cited 16
Total Times Cited Count (WoS, BCI, and CSCD) 17
Publisher SPRINGER
Publisher City NEW YORK
Publisher Address 233 SPRING ST, NEW YORK, NY 10013 USA
ISSN 1559-2723
29-Character Source Abbreviation ESTUAR COAST
ISO Source Abbreviation Estuaries Coasts
Publication Date NOV
Year Published 2011
Volume 34
Issue 6
Beginning Page 1161
Ending Page 1168
Digital Object Identifier (DOI) 10.1007/s12237-011-9416-4
Page Count 8
Web of Science Category Environmental Sciences; Marine & Freshwater Biology
Subject Category Environmental Sciences & Ecology; Marine & Freshwater Biology
Document Delivery Number 889PC
Unique Article Identifier WOS:000300084700007
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