کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1973018 1060305 2007 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Osmoregulatory response of Senegalese sole (Solea senegalensis) to changes in environmental salinity
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی زیست شیمی
پیش نمایش صفحه اول مقاله
Osmoregulatory response of Senegalese sole (Solea senegalensis) to changes in environmental salinity
چکیده انگلیسی

The osmoregulatory response of Senegalese sole (Solea senegalensis, Kaup 1858) to 14-day exposure and throughout 17-day exposure to different environmental salinities was investigated. A linear relationship was observed between environmental salinity and gill Na+,K+-ATPase activity whereas kidney Na+,K+-ATPase activity was unaffected. Two osmoregulatory periods could be distinguished according to variations in plasma osmolality: an adjustment period and a chronic regulatory period. No major changes in plasma osmolality and ions levels were registered at the end of the 14- to 17-day exposure period, indicating an efficient adaptation of the osmoregulatory system. Plasma levels of glucose and lactate were elevated in hypersaline water, indicating the importance of these energy substrates in these environments. Glucose was increased during hyper-osmoregulation but only in the adjustment period. Cortisol proved to be a good indicator of chronic stress and stress induced by transfer to the different osmotic conditions. This work shows that S. senegalensis is able to acclimate to different osmotic conditions during short-term exposure.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology - Volume 148, Issue 2, October 2007, Pages 413–421
نویسندگان
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