Physiological biomarkers in a resident and a non-resident estuarine teleosts species: a comparison between fish from an industrially impacted site and a non-impacted site

IF 1.1 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY Marine and Freshwater Behaviour and Physiology Pub Date : 2015-03-04 DOI:10.1080/10236244.2015.1018022

V. Prodocimo, R. C. Sinzker, Ligia Strey, C. A. Freire

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引用次数: 9

Abstract

Physiological biomarkers were compared in two estuarine fishes: an estuarine resident (Atherinella brasiliensis) and a marine/estuarine transient (Sphoeroides testudineus). These fish were sampled from two estuarine systems: one with an active harbor (impacted site), and another which receives mostly domestic urban runoffs and is much less impacted (reference site). The resident fish displayed higher plasma osmolality and sodium (1.13 and 1.35-fold, respectively), and the transient fish displayed higher plasma osmolality (1.05-fold), potassium (1.17-fold), and magnesium levels (1.84-fold) in the impacted site, when compared to the reference site. The resident fish showed increased renal carbonic anhydrase activity and branchial expression of HSP70 (3.3-fold) in the impacted site, when compared to the reference site. Osmoregulatory parameters and HSP70 expression are strong candidates as physiological biomarkers for environmental assessment of industrial impact on estuarine teleost fishes.

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常住和非常住河口硬骨鱼物种的生理生物标志物:来自工业影响地点和非受影响地点的鱼的比较

比较了两种河口鱼类的生理生物标志物:河口居民(Atherinella brasiliensis)和海洋/河口瞬时鱼类(Sphoeroides testudineus)。这些鱼从两个河口系统取样:一个有活跃的港口(受影响地点)，另一个主要接收国内城市径流，受影响小得多(参考地点)。与参考部位相比，停留鱼的血浆渗透压和钠含量分别为1.13倍和1.35倍，而瞬时鱼的血浆渗透压(1.05倍)、钾含量(1.17倍)和镁含量(1.84倍)均较高。与参考部位相比，常驻鱼的肾碳酸酐酶活性和HSP70的鳃部表达增加(3.3倍)。渗透调节参数和HSP70的表达是工业对河口硬骨鱼影响的环境评价的有力候选生理生物标志物。

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来源期刊

Marine and Freshwater Behaviour and Physiology 生物-海洋与淡水生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Marine and Freshwater Behaviour and Physiology is devoted to the publication of papers covering field and laboratory research into all aspects of the behaviour and physiology of all marine and freshwater animals within the contexts of ecology, evolution and conservation. As the living resources of the world’s oceans, rivers and lakes are attracting increasing attention as food sources for humans and for their role in global ecology, the journal will also publish the results of research in the areas of fisheries biology and technology where the behaviour and physiology described have clear links to the contexts mentioned above. The journal will accept for publication Research Articles, Reviews, Rapid Communications and Technical Notes (see Instructions for authors for details). In addition, Editorials, Opinions and Book Reviews (invited and suggested) will also occasionally be published. Suggestions to the Editor-In-Chief for Special Issues are encouraged and will be considered on an ad hoc basis. With the goal of supporting early career researchers, the journal particularly invites submissions from graduate students and post-doctoral researchers. In addition to recognising the time constraints and logistical limitations their research often faces, and their particular need for a prompt review process, accepted articles by such researchers will be given prominence within the journal (see Instructions for authors for details).