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Differences in Fatty Acid Composition between Orb-Weaver Spiders Inhabiting a Riparian Zone and a Steppe Are Associated with the Consumption of Different Chironomid Taxa
Amphibiotic insects, chironomids of the genera Glyptotendipes and Chironomus , which emerged from saline Lake Shira, differed in composition and content of fatty acids, including the essential eicosapentaenoic acid (20:5n-3, EPA), and upon flying out they were concentrated in different territories,...
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Published in: | Doklady. Biochemistry and biophysics 2021-05, Vol.496 (1), p.40-43 |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Amphibiotic insects, chironomids of the genera
Glyptotendipes
and
Chironomus
, which emerged from saline Lake Shira, differed in composition and content of fatty acids, including the essential eicosapentaenoic acid (20:5n-3, EPA), and upon flying out they were concentrated in different territories, the riparian zone and remote arid steppe zone, respectively. Potential consumers of chironomids adults, the orb-weaver spiders
Larinoides
suspicax
, which inhabited both zones, also differed in fatty acid composition. The main difference in their biochemical composition was a significantly higher level of EPA in spiders from the riparian zone that likely to be explained by consumption of the
Glyptotendipes
adults enriched in this fatty acid and concentrated only within this zone. The higher level of EPA, which is deficient in terrestrial ecosystems, in orb-weaver spiders from the riparian zone of the saline lake may potentially promote a successful survival of the consumers in the arid landscape. |
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ISSN: | 1607-6729 1608-3091 |
DOI: | 10.1134/S1607672921010117 |