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제목 치쳉 박사 브릭소개-doi.org/10.1016/j.fsi.2016.08.039
작성자 관리자
작성일자 2020-04-29
https://www.ibric.org/myboard/read.php?Board=hbs_treatise&id=47324&idauthorid=26837&stype=2&skin=agriff_treatise&BackLink=L2FncmlmZi90cmVhdGlzZV9pbmRleC5waHA/c3R5cGU9MiZzb3J0PSZTZWFyY2hZZWFyPSZTZWFyY2hNb249JnN0YXJ0eT0yMDIwJnN0YXJ0bT0wNCZQYWdlPTEz
 
Immune response of the bay scallop, Argopecten irradians, after exposure to the algicide palmitoleic acid
Cheng Chi, Sib Sankar Giri, Jin Woo Jun, Saekil Yun, Hyoun Joong Kim, Sang Guen Kim, Se Chang Park*

Laboratory of Aquatic Biomedicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul, 151742, South Korea

*Corresponding author : Se Chang Park

Abstract
Palmitoleic acid (PA) is an effective algicide against the toxin-producing dinoflagellate Alexandrium tamarense; however, its effects on the immune system of the edible bay scallop Argopecten irradians are unclear. Therefore, we investigated the effects of PA on the immune response in A. irradians by assessing total haemocyte counts (THC), alkaline phosphatase activity (ALP), nitrite oxide (NO), glutathione (GSH), and lactate dehydrogenase (LDH) levels, as well as the ____expression____ of immune-related genes (FREP, PGRP, HSP90, MnSOD, and Cu/ZnSOD) at various hours post-exposure (hpe) to the compound. THC decreased in PA-treated groups, whereas ALP increased significantly in all of the PA treatment groups at 3 hpe, after which it significantly decreased. The LDH and NO levels were significantly enhanced in the high and medium concentration group. Notably, the GSH level increased in all PA treatment groups at each time interval. Our study revealed that after treatment with different concentrations of PA, variable effects on the ____expression____ of genes involved in the immune system response were observed. The results of our study demonstrate that immersing scallops in PA at effective concentrations could result in differential effects on immune system responses and ____expression____ of immune-related genes. Specifically, PA may disrupt the endocrine system or affect signal transduction pathways in the scallops. Therefore, the present study highlights the potential risk of using the PA as an algicide to control algal bloom outbreaks in the marine environment.
Keywords : Algicide; Argopecten irradians; Immune response; Palmitoleic acid; Harmful algal blooms
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