Nature Research Centre, Institute of Ecology, Akademijos Str. 2, LT-08412, Vilnius, Lithuania.
Environ Sci Pollut Res Int. 2018 Sep;25(25):24818-24828. doi: 10.1007/s11356-018-2516-y. Epub 2018 Jun 21.
Environmental genotoxicity in the Gulf of Riga was assessed using different bioindicators (fish, clams, and isopods) collected from 14 study stations. Comparison of genotoxicity responses (micronuclei (MN) and nuclear buds (NB)) in blood erythrocytes of herring (Clupea harengus), eelpout (Zoarces viviparous), and flounder (Platichthys flesus) revealed the species- and site-specific differences. For the first time, the analysis of genotoxicity was carried out in gill cells of isopods Saduria entomon. The highest inductions of MN and NB in gill cells of investigated S. entomon and clams (Macoma balthica) were evaluated in specimens from station 111A (offshore zone). In fish, the highest incidences of MN were measured in eelpout and in herring collected in the southern part of Gulf of Riga (station GOR3/41S). Moreover, in the southern coastal area, the assessment of genotoxicity risk (according to micronuclei levels) indicated exceptionally high risk for flounder, eelpout, and clams.
利用从 14 个研究站采集的鱼类、贻贝类和等足类生物标志物，评估了里加湾的环境遗传毒性。对鲱鱼（Clupea harengus）、欧拟鲈（Zoarces viviparous）和牙鲆（Platichthys flesus）血液红细胞中的遗传毒性反应（微核（MN）和核芽（NB））进行比较，揭示了物种和地点特异性差异。首次对等足类 Saduria entomon 的鳃细胞中的遗传毒性进行了分析。在调查的 S. entomon 和贻贝类（Macoma balthica）的鳃细胞中，MN 和 NB 的最高诱导在 111A 站（近海区）的标本中得到评估。在鱼类中，MN 的最高发生率是在里加湾南部（GOR3/41S 站）采集的欧拟鲈和鲱鱼中测量到的。此外，在南部沿海地区，遗传毒性风险评估（根据微核水平）表明牙鲆、欧拟鲈和贻贝类的风险极高。
