Abstract
We have studied the fatty acid composition of eyes of amphibiotic insects, namely, the odonate Sympetrum flaveolum. The main polyunsaturated fatty acid of odonate’s eyes has been found to be 20:5n-3 (eicosapentaenoic fatty acid, EPA) rather than 18:2n-6 and 18:3n-3, which usually dominate in eyes of terrestrial insects, or 22:6n-3, which dominates in eyes of vertebrates. The prevalence of EPA in odonate’s eyes probably provides a more effective transmission of light signal in this animal compared to terrestrial insects. It is important for odonates because vision plays a decisive role in finding and catching prey.
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Original Russian Text © N.N. Sushchik, O.N. Popova, O.N. Makhutova, M.I. Gladyshev, 2017, published in Doklady Akademii Nauk, 2017, Vol. 475, No. 3, pp. 346–348.
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Sushchik, N.N., Popova, O.N., Makhutova, O.N. et al. Fatty acid composition of odonate’s eyes. Dokl Biochem Biophys 475, 280–282 (2017). https://doi.org/10.1134/S1607672917040093
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DOI: https://doi.org/10.1134/S1607672917040093