The Onset and Termination of the Qx Disease Window of Infection in Sydney Rock Oyster (<i>Saccostrea glomerata</i>) Cultivated in the Hawkesbury River, NSW, Australia

Rubio, Ana; Frances, Jane; Coad, Peter; Stubbs, Juliet Anne; Guise, K. S.

doi:10.2983/035.032.0228

Cited by 17 publications

(7 citation statements)

References 39 publications

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“…M. sydneyi , infecting Saccostrea glomerata and possibly other Saccostrea spp. [ 64 ], has been reported in New South Wales, Queensland and Western Australia [ 65 ]. Marteiliosis is also known as Aber disease ( M. refringens , two types: M and O, as defined by Peruzzi et al [ 66 ], and Queensland Unknown (QX) disease ( M. sydneyi ).…”

Section: Infectious Diseases Of Marine Bivalve Mollusksmentioning

confidence: 99%

Microbial Diseases of Bivalve Mollusks: Infections, Immunology and Antimicrobial Defense

et al. 2017

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A variety of bivalve mollusks (phylum Mollusca, class Bivalvia) constitute a prominent commodity in fisheries and aquacultures, but are also crucial in order to preserve our ecosystem’s complexity and function. Bivalve mollusks, such as clams, mussels, oysters and scallops, are relevant bred species, and their global farming maintains a high incremental annual growth rate, representing a considerable proportion of the overall fishery activities. Bivalve mollusks are filter feeders; therefore by filtering a great quantity of water, they may bioaccumulate in their tissues a high number of microorganisms that can be considered infectious for humans and higher vertebrates. Moreover, since some pathogens are also able to infect bivalve mollusks, they are a threat for the entire mollusk farming industry. In consideration of the leading role in aquaculture and the growing financial importance of bivalve farming, much interest has been recently devoted to investigate the pathogenesis of infectious diseases of these mollusks in order to be prepared for public health emergencies and to avoid dreadful income losses. Several bacterial and viral pathogens will be described herein. Despite the minor complexity of the organization of the immune system of bivalves, compared to mammalian immune systems, a precise description of the different mechanisms that induce its activation and functioning is still missing. In the present review, a substantial consideration will be devoted in outlining the immune responses of bivalves and their repertoire of immune cells. Finally, we will focus on the description of antimicrobial peptides that have been identified and characterized in bivalve mollusks. Their structural and antimicrobial features are also of great interest for the biotechnology sector as antimicrobial templates to combat the increasing antibiotic-resistance of different pathogenic bacteria that plague the human population all over the world.

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Section: Infectious Diseases Of Marine Bivalve Mollusksmentioning

confidence: 99%

Microbial Diseases of Bivalve Mollusks: Infections, Immunology and Antimicrobial Defense

et al. 2017

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“…These information flows may reinforce or restructure stakeholder interactions within estuary governance regimes. For example, in response to the 2004 oyster QX disease outbreak, Lower Hawkesbury oyster farmers collaborated with researchers, with support from the Hornsby Shire Council and the NSW government to undertake intensive sampling and monitoring of the impacts of QX disease [72,109]. Collectively, the Oyster farmers then also developed an information system-an Environmental Management System (EMS) [110]with the support of a boundary organisation (Oceanwatch), based on a risk management framework to support their management of the estuary.…”

Section: Discussion Theme 3: Risks and Their Governancementioning

confidence: 99%

Evolutions in estuary governance? Reflections and lessons from Australia, France and New Caledonia

et al. 2020

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Estuaries are cradles of life for the communities who live around and within them. They are valued in multiple ways for the services they provide to humans, including food production, recreation, water purification, navigation and amenity. Various groups of stakeholders all place different importance on these values, how their needs and practices interact, and what it means to effectively manage an estuary towards a range of desirable goals. This typically creates value conflicts over how estuaries should be managed. Navigating such conflicts requires governance arrangements and methods that allow multiple parties to find a common path forward. Using Evolutionary Governance Theory (EGT) and a hybrid analytic framework incorporating aspects of multilevel/multi-scalar governance, risk governance and territorial intelligence theory, this paper explores the (co-) evolution of governance processes by analysing lessons learnt from action in and observation of estuaries in Australia (Lower Hawkesbury), France (Thau) and New Caledonia (Thio). A multi-method research approach to data collection was used and comparative analysis across the three estuaries undertaken to understand the evolutions in each of their governance systems. From this analysis, several reflections and lessons for the governance of other land-sea systems emerge on: the importance of boundary organisations and boundary negotiations in re-defining integrated approaches to land-sea governance; how particular information systems or models, as well as discourses from other key actors shape co-evolutions of estuarine governance; and that risks or shocks still appear to be the catalysers of new forms of collective action and major reconfigurations and evolutions of estuarine governance.

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“…Additionally, where low salinities depress the immune systems of molluscs, but do not negatively affect parasites (such as seen in S. glomerata, Butt et al, 2006), low salinities may be associated with increased incidence of disease (e.g. Rubio et al, 2013). In many areas, the rainy season overlaps with oyster's spawning (e.g., C. virginica in Florida, U.S.…”

Section: Abiotic Determinants Of Diseasementioning

confidence: 97%

“…(oysters) that is caused by protistan parasites of the genus Bonamia, typically has a well-defined infection peak that occurs either in the summer, or autumn months (Hine, 1991;Carnegie et al, 2008). Seasonal infection peaks are often the case for Dermo oyster disease (Bobo et al, 1997), as well as QX oyster disease (caused by Martielia sydneyi) which generally peaks during the Austral summer and early fall (Rubio et al, 2013).…”

Section: Temporal Variationmentioning

confidence: 99%

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The ecology, evolution, impacts and management of host–parasite interactions of marine molluscs

Coen

Bishop

2015

Journal of Invertebrate Pathology

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The Onset and Termination of the Qx Disease Window of Infection in Sydney Rock Oyster (Saccostrea glomerata) Cultivated in the Hawkesbury River, NSW, Australia

Cited by 17 publications

References 39 publications

Microbial Diseases of Bivalve Mollusks: Infections, Immunology and Antimicrobial Defense

Microbial Diseases of Bivalve Mollusks: Infections, Immunology and Antimicrobial Defense

Evolutions in estuary governance? Reflections and lessons from Australia, France and New Caledonia

The ecology, evolution, impacts and management of host–parasite interactions of marine molluscs

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