海水适应对虹鳟鳃、外周血白细胞、皮肤和肠道内分泌、渗透调节和免疫系统的影响。

IF 2 3区农林科学 Q2 FISHERIES

Journal of fish biology Pub Date : 2025-08-30 DOI:10.1111/jfb.70055

T Yada, M Abe

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引用次数: 0

摘要

在海水中饲养4周的虹鳟，对其血浆、鳃、外周血白细胞、皮肤和肠道的内分泌、渗透调节和免疫反应进行了研究。血浆溶菌酶活性和垂体生长激素信使核糖核酸（mRNA）水平在海水中高于淡水，催乳素水平在淡水中低于淡水。海水对鳃、PBL和皮肤中激素受体和免疫相关基因mRNA水平的影响。特别是在肠道中，海水中所有激素受体的mRNA水平均显著升高，提示内分泌调节了渗透压和免疫力。

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Influences of seawater adaptation on the endocrine, osmoregulatory and immune systems in gill, peripheral blood leucocyte, skin and intestine of steelhead trout Oncorhynchus mykiss.

Endocrine, osmoregulatory and immune responses have been examined in blood plasma, gill, peripheral blood leucocyte (PBL), skin and intestine of steelhead trout Oncorhynchus mykiss reared for 4 weeks in seawater. Plasma lysozyme activity and pituitary growth hormone messenger ribonuculeic acid (mRNA) levels were higher and prolactin levels were lower in seawater than in freshwater. mRNA levels of hormone receptor and immune-related genes in gills, PBL and skin were influenced by seawater. Especially in the intestine, mRNA levels of all examined hormone receptors were significantly higher in seawater, suggesting endocrine regulation of osmolality and immunity.

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来源期刊

Journal of fish biology 生物-海洋与淡水生物学

CiteScore

4.00

自引率

10.00%

发文量

292

审稿时长

3 months

期刊介绍： The Journal of Fish Biology is a leading international journal for scientists engaged in all aspects of fishes and fisheries research, both fresh water and marine. The journal publishes high-quality papers relevant to the central theme of fish biology and aims to bring together under one cover an overall picture of the research in progress and to provide international communication among researchers in many disciplines with a common interest in the biology of fish.