Are antioxidant capacity and oxidative damage related to biological and autecological characteristics in aquatic insects?

Submitted: 15 September 2016
Accepted: 10 October 2016
Published: 7 November 2016
Abstract Views: 3050
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In this work, we study the oxidative state of nine taxa of aquatic insects [Serratella ignita (Poda, 1761), Ephemera danica Müller, 1764, Crocothemis erythraea (Brullé, 1832), Dinocras cephalotes (Curtis, 1827), Perla bipunctata Pictet, 1833, Isoperla morenica Tierno de Figueroa & Luzón-Ortega, 2011, Notonecta maculata Fabricius, 1794, Gerris sp., and Hydropsyche sp.] in order to determine the relationships between this state and the biological and environmental characteristics of the species studied. The studied taxa are all in the same life cycle stage (nymph/larva), and many of them have different maximum life span potentials. We assess the antioxidant capacity through the determination of the trolox-equivalent antioxidant capacity, the ferric-reducing/antioxidant power and the activity of the antioxidant enzymes catalase, DT-diaphorase, glutathione peroxidase, glutathione reductase, glutathione transferase, superoxide dismutase and glucose-6-phosphate dehydrogenase. Furthermore, to determine the oxidative damage, we examine thiobarbituric acid reactive substances, free malondialdehyde, protein-bound malondialdehyde, total hydroperoxides, and protein hydroperoxides. In summary, we can consider that having predatory feeding habits, having a long-life cycle and living in permanent streams with cold, well-oxygenated waters are related to a proper oxidative state in the insects that we studied. On the other hand, non-exclusive predator species living in temporary streams with warm and poorly oxygenated waters with a short life cycle have a worse oxidative state. Thus, the oxidative state of each species could be defined by an interaction of biological and autecological factors, for which the relative importance is difficult to assess.

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How to Cite

Sanz, Ana, Manuel J. López-Rodríguez, Sergio García-Mesa, Cristina Trenzado, Rosa M. Ferrer, and J. Manuel Tierno de Figueroa. 2016. “Are Antioxidant Capacity and Oxidative Damage Related to Biological and Autecological Characteristics in Aquatic Insects?”. Journal of Limnology 76 (1). https://doi.org/10.4081/jlimnol.2016.1581.

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