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Review: Host-pathogen dynamics of seagrass diseases under future global change
journal contribution
posted on 2018-09-01, 00:00 authored by B K Sullivan, Stacey Trevathan-TackettStacey Trevathan-Tackett, S Neuhauser, L GoversHuman-induced global change is expected to amplify the disease risk for marine biota. However, the role of disease in the rapid global decline of seagrass is largely unknown. Global change may enhance seagrass susceptibility to disease through enhanced physiological stress, while simultaneously promoting pathogen development. This review outlines the characteristics of disease-forming organisms and potential impacts of global change on three groups of known seagrass pathogens: labyrinthulids, oomycetes and Phytomyxea. We propose that hypersalinity, climate warming and eutrophication pose the greatest risk for increasing frequency of disease outbreaks in seagrasses by increasing seagrass stress and lowering seagrass resilience. In some instances, global change may also promote pathogen development. However, there is currently a paucity of information on these seagrass pathosystems. We emphasise the need to expand current research to better understand the seagrass-pathogen relationships, serving to inform predicative modelling and management of seagrass disease under future global change scenarios.
History
Journal
Marine pollution bulletinVolume
134Pagination
75 - 88Publisher
ElsevierLocation
Amsterdam, The NetherlandsPublisher DOI
ISSN
0025-326XeISSN
1879-3363Language
engPublication classification
C Journal article; C1 Refereed article in a scholarly journalCopyright notice
2017, ElsevierUsage metrics
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No categories selectedKeywords
global changeHalophytophthoraLabyrinthulamarine infectious diseasephytomyxeaPhytophthoraScience & TechnologyLife Sciences & BiomedicineEnvironmental SciencesMarine & Freshwater BiologyEnvironmental Sciences & EcologyEELGRASS ZOSTERA-MARINAPHYTOPHTHORA ROOT-ROTWASTING DISEASECLIMATE-CHANGETHALASSIA-TESTUDINUMOCEAN ACIDIFICATIONSP-NOVINFECTIOUS-DISEASESFLORIDA BAYLABYRINTHULA SP
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