Salinity stress responses in Slipper cupped oyster Crassostrea iredalei from Setiu Wetlands, Terengganu, Malaysia
Aim: The present study investigated some important functional responses to salinity stress in Slipper cupped oyster Crassostrea iredalei from Setiu Wetlands, Terengganu, Malaysia. Methodology: Slipper cupped oysters were subjected to different salinities of 7,14, 28 and 35 ppt for 2 weeks. Total hae...
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| Veröffentlicht in: | Journal of environmental biology 2018-09, Vol.39 (5(SI)), p.754-760 |
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| creator | Nadirah, M. Nurhafizah, W.W.I. Alia, A.S. Iberahim, N.A. Zamani, A.I. Soh, A.S.A. Laith, A.A. Lee, K.L. Najiah, M. |
| description | Aim: The present study investigated some important functional responses to salinity stress in Slipper cupped oyster Crassostrea iredalei from Setiu Wetlands, Terengganu, Malaysia. Methodology: Slipper cupped oysters were subjected to different salinities of 7,14, 28 and 35 ppt for 2 weeks. Total haemocyte count (THC), phagocytic activity, ionic absorption, total protein concentration (TPC), superoxide dismutase activity (SOD) and histological changes of the oyster tissues were determined after 2 weeks of experiment. Results: THC significantly decreased at 7 ppt but increased at 35 ppt (p |
| doi_str_mv | 10.22438/jeb/39/5(SI)/6 |
| format | Article |
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Methodology: Slipper cupped oysters were subjected to different salinities of 7,14, 28 and 35 ppt for 2 weeks. Total haemocyte count (THC), phagocytic activity, ionic absorption, total protein concentration (TPC), superoxide dismutase activity (SOD) and histological changes of the oyster tissues were determined after 2 weeks of experiment. Results: THC significantly decreased at 7 ppt but increased at 35 ppt (p<0.05). The phagocytic activities were however not affected. The SOD activities were significantly higher (p<0.05) at 7 and 14 ppt compared with 28 and 35 ppt. Higher TPC were also observed at 28 and 35 ppt. Potassiumion concentration (mmol l-1) increased gradually with the increasing salinities. Salinity stress was also associated with histological changes in the gills and digestive gland tubules of the oysters. Interpretation: The present study has revealed the functional responses of C. iredalei to salinity changes, and the negative impact of low salinities on the oyster immune system.</description><identifier>ISSN: 0254-8704</identifier><identifier>EISSN: 2394-0379</identifier><identifier>DOI: 10.22438/jeb/39/5(SI)/6</identifier><language>eng</language><publisher>Lucknow: Triveni Enterprises</publisher><subject>Aquaculture ; Bacterial infections ; Climate change ; Crassostrea ; Digestive glands ; Ecosystems ; Environmental science ; Fish ; Gills ; Immune system ; Oysters ; Phagocytes ; Physiology ; Proteins ; Salinity ; Salinity effects ; Seawater ; Stresses ; Superoxide dismutase ; Tubules ; Wetlands ; Yeast</subject><ispartof>Journal of environmental biology, 2018-09, Vol.39 (5(SI)), p.754-760</ispartof><rights>Copyright Triveni Enterprises Sep 2018</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c308t-d6a7bd1ab84dcc3d1daef8b9d6c56adb6dbd5b4e18b508fa569b91b693f421323</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Nadirah, M.</creatorcontrib><creatorcontrib>Nurhafizah, W.W.I.</creatorcontrib><creatorcontrib>Alia, A.S.</creatorcontrib><creatorcontrib>Iberahim, N.A.</creatorcontrib><creatorcontrib>Zamani, A.I.</creatorcontrib><creatorcontrib>Soh, A.S.A.</creatorcontrib><creatorcontrib>Laith, A.A.</creatorcontrib><creatorcontrib>Lee, K.L.</creatorcontrib><creatorcontrib>Najiah, M.</creatorcontrib><creatorcontrib>Institute of Systems Biology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Malaysia</creatorcontrib><creatorcontrib>School of Fisheries and Aquaculture Sciences, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia</creatorcontrib><creatorcontrib>Institute of Tropical Aquaculture, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia</creatorcontrib><title>Salinity stress responses in Slipper cupped oyster Crassostrea iredalei from Setiu Wetlands, Terengganu, Malaysia</title><title>Journal of environmental biology</title><description>Aim: The present study investigated some important functional responses to salinity stress in Slipper cupped oyster Crassostrea iredalei from Setiu Wetlands, Terengganu, Malaysia. Methodology: Slipper cupped oysters were subjected to different salinities of 7,14, 28 and 35 ppt for 2 weeks. Total haemocyte count (THC), phagocytic activity, ionic absorption, total protein concentration (TPC), superoxide dismutase activity (SOD) and histological changes of the oyster tissues were determined after 2 weeks of experiment. Results: THC significantly decreased at 7 ppt but increased at 35 ppt (p<0.05). The phagocytic activities were however not affected. The SOD activities were significantly higher (p<0.05) at 7 and 14 ppt compared with 28 and 35 ppt. Higher TPC were also observed at 28 and 35 ppt. Potassiumion concentration (mmol l-1) increased gradually with the increasing salinities. Salinity stress was also associated with histological changes in the gills and digestive gland tubules of the oysters. Interpretation: The present study has revealed the functional responses of C. iredalei to salinity changes, and the negative impact of low salinities on the oyster immune system.</description><subject>Aquaculture</subject><subject>Bacterial infections</subject><subject>Climate change</subject><subject>Crassostrea</subject><subject>Digestive glands</subject><subject>Ecosystems</subject><subject>Environmental science</subject><subject>Fish</subject><subject>Gills</subject><subject>Immune system</subject><subject>Oysters</subject><subject>Phagocytes</subject><subject>Physiology</subject><subject>Proteins</subject><subject>Salinity</subject><subject>Salinity effects</subject><subject>Seawater</subject><subject>Stresses</subject><subject>Superoxide 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dismutase</topic><topic>Tubules</topic><topic>Wetlands</topic><topic>Yeast</topic><toplevel>online_resources</toplevel><creatorcontrib>Nadirah, M.</creatorcontrib><creatorcontrib>Nurhafizah, W.W.I.</creatorcontrib><creatorcontrib>Alia, A.S.</creatorcontrib><creatorcontrib>Iberahim, N.A.</creatorcontrib><creatorcontrib>Zamani, A.I.</creatorcontrib><creatorcontrib>Soh, A.S.A.</creatorcontrib><creatorcontrib>Laith, A.A.</creatorcontrib><creatorcontrib>Lee, K.L.</creatorcontrib><creatorcontrib>Najiah, M.</creatorcontrib><creatorcontrib>Institute of Systems Biology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Malaysia</creatorcontrib><creatorcontrib>School of Fisheries and Aquaculture Sciences, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia</creatorcontrib><creatorcontrib>Institute of Tropical Aquaculture, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia</creatorcontrib><collection>CrossRef</collection><collection>India 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Malaysia, 43600 UKM Bangi, Malaysia</aucorp><aucorp>School of Fisheries and Aquaculture Sciences, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia</aucorp><aucorp>Institute of Tropical Aquaculture, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Salinity stress responses in Slipper cupped oyster Crassostrea iredalei from Setiu Wetlands, Terengganu, Malaysia</atitle><jtitle>Journal of environmental biology</jtitle><date>2018-09-01</date><risdate>2018</risdate><volume>39</volume><issue>5(SI)</issue><spage>754</spage><epage>760</epage><pages>754-760</pages><issn>0254-8704</issn><eissn>2394-0379</eissn><abstract>Aim: The present study investigated some important functional responses to salinity stress in Slipper cupped oyster Crassostrea iredalei from Setiu Wetlands, Terengganu, Malaysia. Methodology: Slipper cupped oysters were subjected to different salinities of 7,14, 28 and 35 ppt for 2 weeks. Total haemocyte count (THC), phagocytic activity, ionic absorption, total protein concentration (TPC), superoxide dismutase activity (SOD) and histological changes of the oyster tissues were determined after 2 weeks of experiment. Results: THC significantly decreased at 7 ppt but increased at 35 ppt (p<0.05). The phagocytic activities were however not affected. The SOD activities were significantly higher (p<0.05) at 7 and 14 ppt compared with 28 and 35 ppt. Higher TPC were also observed at 28 and 35 ppt. Potassiumion concentration (mmol l-1) increased gradually with the increasing salinities. Salinity stress was also associated with histological changes in the gills and digestive gland tubules of the oysters. Interpretation: The present study has revealed the functional responses of C. iredalei to salinity changes, and the negative impact of low salinities on the oyster immune system.</abstract><cop>Lucknow</cop><pub>Triveni Enterprises</pub><doi>10.22438/jeb/39/5(SI)/6</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aquaculture Bacterial infections Climate change Crassostrea Digestive glands Ecosystems Environmental science Fish Gills Immune system Oysters Phagocytes Physiology Proteins Salinity Salinity effects Seawater Stresses Superoxide dismutase Tubules Wetlands Yeast |
| title | Salinity stress responses in Slipper cupped oyster Crassostrea iredalei from Setiu Wetlands, Terengganu, Malaysia |
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