کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
4530377 1324699 2009 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Immune function in the Arctic Scallop, Chlamys islandica, following dispersed oil exposure
موضوعات مرتبط
علوم زیستی و بیوفناوری علوم کشاورزی و بیولوژیک علوم آبزیان
پیش نمایش صفحه اول مقاله
Immune function in the Arctic Scallop, Chlamys islandica, following dispersed oil exposure
چکیده انگلیسی

With the current expansion of offshore oil activities in Arctic regions, there is an urgent need to establish the potential effects of oil-related compounds on Arctic organisms. As susceptibility to growth, disease and survival is determined partly by the condition of an organism's immune system, measurement of endpoints linked to the latter system provide important early warning signals of the sub-lethal effects of exposure to contaminants. This study assessed the impact of dispersed oil exposure on immune endpoints in the Arctic Scallop Chlamys islandica, using a combination of cellular and humoral biological responses. Laboratory exposures of C. islandica to sub-lethal dispersed oil concentrations (0.06 and 0.25 mg l−1) were conducted over 15 days, followed by a 7-day recovery period in clean, filtered seawater. Cellular endpoints were significantly altered following dispersed oil exposure: haemocyte counts (P < 0.01) and protein levels (P < 0.01) were significantly elevated, whilst cell membrane stability (P < 0.001) and phagocytosis (P < 0.01) demonstrated a significant reduction. Whilst these results indicate alteration in the immune endpoints measured, this appears to be reversible upon removal of the contaminant stress. However, the impact of long-term continuous exposure and high-level acute exposure to oil is still unknown, and may have consequences for disease resistance and hence survival.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Aquatic Toxicology - Volume 92, Issue 3, 5 May 2009, Pages 187–194
نویسندگان
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