Laboratorio de Ecotoxicología y Contaminación Acuática, Centro Austral de Investigaciones Científicas (CADIC-CONICET), Bernardo Houssay 200, V9410CAB Ushuaia, Tierra del Fuego, Argentina.
Ecotoxicol Environ Saf. 2011 Mar;74(3):382-93. doi: 10.1016/j.ecoenv.2010.10.005. Epub 2010 Oct 28.
Antioxidant status of Nacella (P) magellanica and Mytilus edulis related with heavy metal in sediment and tissues were analysed in five stations close to Ushuaia city in winter and spring. The principal component analysis produced a two-dimensional pattern of the degree of similarity between sites. The Industrial-Urban Contamination Index (IUCI) showed that the Industrial Zone (IZ) and Oil Marine Station (OMS) represent areas with anthropic inputs. Heavy metals have differential association with biomarkers depending on the species. In limpets, digestive gland presented major activities of enzyme defence in winter and gonads have shown higher values of Catalase (CAT) during spring while lipid peroxidation (LPO) presented higher values in IZ. For mussels CAT and LPO increased in spring time. For superoxide dismutase (SOD) peaks have been detected in IZ and NW stations for winter. Differences in biomarker responses due to seasons did not influence the grouping of the sites into references and contaminated groups.
在乌斯怀亚市附近的五个站点，于冬季和春季分析了与沉积物和组织中重金属有关的 Nacella (P) magellanica 和 Mytilus edulis 的抗氧化状态。主成分分析产生了站点之间相似程度的二维模式。工业-城市污染指数（IUCI）表明工业区（IZ）和海洋石油站（OMS）代表了人为投入的区域。重金属与生物标志物的关联因物种而异。在帽贝中，冬季消化腺表现出主要的酶防御活性，而春季性腺表现出更高的过氧化氢酶（CAT）值，而脂质过氧化（LPO）在 IZ 中表现出更高的值。对于贻贝，CAT 和 LPO 在春季增加。对于超氧化物歧化酶（SOD），冬季在 IZ 和 NW 站检测到峰值。由于季节导致的生物标志物反应差异并没有影响将站点分为参考组和污染组。
