Document Detail

The immune response of Taiwan abalone Haliotis diversicolor supertexta and its susceptibility to Vibrio parahaemolyticus at different salinity levels.
MedLine Citation:
PMID:  15123299     Owner:  NLM     Status:  MEDLINE    
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.
Winton Cheng; Feng-Ming Juang; Jiann-Chu Chen
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Fish & shellfish immunology     Volume:  16     ISSN:  1050-4648     ISO Abbreviation:  Fish Shellfish Immunol.     Publication Date:  2004 Mar 
Date Detail:
Created Date:  2004-05-04     Completed Date:  2004-06-07     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9505220     Medline TA:  Fish Shellfish Immunol     Country:  England    
Other Details:
Languages:  eng     Pagination:  295-306     Citation Subset:  IM    
Department of Aquaculture, National Pingtung University of Science and Technology, Pingtung, 912, Taiwan, ROC.
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MeSH Terms
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
Snails / immunology*,  microbiology
Sodium Chloride / pharmacology*
Vibrio parahaemolyticus / drug effects*,  pathogenicity
Reg. No./Substance:
0/Caseins; 0/Protein Hydrolysates; 0/trypticase-soy broth; 7647-14-5/Sodium Chloride; EC Monooxygenase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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