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Transport pathways of hydrocarbon and free fatty acids to the cuticle in arthropods and hypothetical models in spiders

Abstract : Cuticular lipids in terrestrial arthropods are not only essential for desiccation resistance; they also play an important role as chemical signals for intra- and interspecific communication (pheromones and kairomones, respectively). Most of the studies on cuticular lipid research was dedicated to one class of arthropods, the insects. This type of research on the class arachnids is poorly developed, and the majority of studies has listed the compounds present in cuticular extracts, and, in some cases, compared the lipid profiles of different life stages (juveniles, adults). Consequently, we reviewed in relation to lipids description, biosynthesis, and transport of spiders. To illustrate a novel concept of lipid transportation, a scheme is now presented to show the hypothetical transport pathways of hydrocarbon and free fatty acids to cuticle in spiders. These concepts are taken from the knowledge of different arachnids to obtain a general illustration on the biosynthesis and transport of hemolymphatic lipids to the cuticle in spider.
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Submitted on : Tuesday, March 23, 2021 - 3:05:36 PM
Last modification on : Thursday, April 8, 2021 - 3:14:28 PM

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Marie Trabalon, C. Fernando Garcia. Transport pathways of hydrocarbon and free fatty acids to the cuticle in arthropods and hypothetical models in spiders. Comparative Biochemistry and Physiology. Part B, Biochemistry and Molecular Biology, 2021, 252, pp.110541. ⟨10.1016/j.cbpb.2020.110541⟩. ⟨hal-03177992⟩

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