Helenus and Ajax, Two Groups of Non-Autonomous LTR Retrotransposons, Represent a New Type of Small RNA Gene-Derived Mobile Elements. [PDF]
Kojima KK.
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Search for genes gained by horizontal gene transfer in an entomopoxvirus, with special reference to the analysis of the transfer of an ABC transporter gene. [PDF]
Sugimoto TN, Jouraku A, Mitsuhashi W.
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Biofouling rapidly covers most submerged surfaces in the marine environment. However, some marine organisms remain clean despite strong fouling pressure. Potential physical inhibitors of fouling were investigated by comparing the thickness, cover, and microtopographic structure of the periostracum of two bivalve molluscs, the blue mussel, Mytilus ...
Wayne O'Connor +2 more
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A first insight into haemocytes of
AbstractThe pearl oyster Pinctada imbricata radiata (Leach, 1814), from the Pacific Ocean, was one of the first species to reach via Suez the Mediterranean, colonizing the eastern basin and recently spreading to the western. The species showed to be able to adapt to a wide range of climatic, hydrological, and ecological conditions.
Pagano M. +8 more
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In an investigation of the potential for pearl production in New South Wales (NSW), Australia, changes in the physical and reproductive condition of the pearl oyster, Pinctada imbricata, were monitored for over 2 years. Using wild oysters gathered from close to the southern extent of the species' range in Port Stephens, NSW, a series of macroscopic and
Wayne O'Connor
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Haemocyte morphology and function in the Akoya Pearl Oyster, Pinctada imbricata
Journal of Invertebrate Pathology, 2010The morphology and cytochemistry of Pinctada imbricata haemocytes were studied in vitro. Three distinct blood cell types were identified; hyalinocytes, granulocytes, and serous cells. Haemocytes were classified based on the presence/absence of granules, and nucleus to cytoplasm ratio.
Rhiannon P, Kuchel +3 more
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Immunosuppressive effects of environmental stressors on immunological function in Pinctada imbricata
Fish & Shellfish Immunology, 2010This study assessed the effects of mechanical agitation, hypo-saline conditions, and exposure to the air on the Akoya pearl oyster, Pinctada imbricata, focusing specifically on the immunological activity of haemocytes. Both phagocytosis and phenoloxidase activity decreased significantly when oysters were exposed to all three stressors.
Rhiannon P, Kuchel +2 more
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To investigate the potential for differential accumulation of paralytic shellfish toxins (PSTs) in various tissues of the akoya pearl oyster, Pinctada imbricata, two feeding trials were carried out using the PST-producing dinoflagellate, Alexandrium minutum. When fed with A.
Brett Anthony Neilan +2 more
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In vitro effects of noradrenaline on Akoya pearl oyster (Pinctada imbricata) haemocytes
Fish & Shellfish Immunology, 2011Exposure to fluctuating environmental conditions in bivalve molluscs can lead to physiological stress and up-regulated production of stress-associated hormones, such as noradenaline (NA). Since environmental stressors have been found to have an immunosuppressive effect on Pinctada imbricata, we investigated the in vitro affects of NA exposure on their ...
Rhiannon P, Kuchel, David A, Raftos
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Control of biofouling on pearl oysters Pinctada imbricata using wax and Chinese herbs
Biofouling, 2019Biofouling poses severe challenges to pearl oyster Pinctada imbricata culture in China, and controlling it is both labor- and capital-intensive. The antifouling properties of wax, and wax mixed with Chinese herbs, sprayed onto pearl oyster shell surfaces during peak biofouling seasons were evaluated.
Lingtong, Ye +4 more
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