| The immune response of Taiwan abalone Haliotis diversicolor supertexta and its susceptibility to Vibrio parahaemolyticus at different salinity levels. | |
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MedLine Citation:
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PMID: 15123299 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Addition of NaCl at 2.5% to 3.5% to tryptic soy broth (TSB) significantly increased the growth of Vibrio parahaemolyticus. Taiwan abalone Haliotis diversicolor supertexta held in 30 per thousand seawater were injected with V. parahaemolyticus grown in TSB containing NaCl at 0.5, 1.5, 2.5, 3.5 and 4.5% at a dose of 1.6 x 10(5)colony-forming units (cfu) abalone(-1). After 48 h, the cumulative mortality was significantly higher for the abalone challenged with V. parahaemolyticus grown in 2.5% than those grown in 0.5 and 1.5% NaCl. In other experiments, abalones held in 30 per thousand seawater were injected with TSB-grown V. parahaemolyticus (1.6 x 10(5)cfu abalone(-1)), and then transferred to 20, 25, 30 and 35 per thousand seawater. All abalones held in 20 per thousand were killed in 48 h. The mortality of V. parahaemolyticus-injected abalone held in 30 per thousand was significantly lower over 24-120 h. Abalone held in 30 per thousand seawater and then transferred to 20, 25, 30 and 35 per thousand were examined for THC (total haemocyte count), phenoloxidase activity, respiratory burst, phagocytic activity and clearance efficiency of V. parahemolyticus after 24 and 72 h. The THC increased directly related with salinity levels. Phenoloxidase activity, respiratory burst, phagocytic activity and clearance efficiency of V. parahaemolyticus decreased significantly for the abalone in 20, 25 and 35 per thousand. It is concluded that the abalone transferred from 30 per thousand to 20, 25 and 35 per thousand had reduced immune ability and decreased resistance against V. parahaemolyticus infection. |
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Authors:
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Winton Cheng; Feng-Ming Juang; Jiann-Chu Chen |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Fish & shellfish immunology Volume: 16 ISSN: 1050-4648 ISO Abbreviation: Fish Shellfish Immunol. Publication Date: 2004 Mar |
Date Detail:
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Created Date: 2004-05-04 Completed Date: 2004-06-07 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 9505220 Medline TA: Fish Shellfish Immunol Country: England |
Other Details:
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Languages: eng Pagination: 295-306 Citation Subset: IM |
Affiliation:
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Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan, ROC. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Caseins Disease Susceptibility / immunology* Dose-Response Relationship, Drug Hemocytes / drug effects Immunity, Innate / drug effects*, immunology Monophenol Monooxygenase / drug effects Phagocytosis / drug effects Protein Hydrolysates Respiratory Burst / drug effects Seawater Snails / immunology*, microbiology Sodium Chloride / pharmacology* Taiwan Vibrio parahaemolyticus / drug effects*, pathogenicity |
| Chemical | |
Reg. No./Substance:
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0/Caseins; 0/Protein Hydrolysates; 0/trypticase-soy broth; 7647-14-5/Sodium Chloride; EC 1.14.18.1/Monophenol Monooxygenase |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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