APOLIPOPHORINS IN HONEY BEE BIOLOGY

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Publikace nespadá pod Fakultu sportovních studií, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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MARCINIAK Jacek HURYCHOVÁ Jana ŠREIBR Sara HYRŠL Pavel BURRITT James B. DOBEŠ Pavel

Rok publikování 2024
Druh Další prezentace na konferencích
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
Popis Apolipophorins are a group of insect proteins belonging to the large lipid transfer protein (LLTP) superfamily. They participate in the transport of lipids, carbohydrates, and other hydrophobic compounds through the formation of lipophorin particles. Lipophorins are assembled in the fat body and after their release to the hemolymph operate as reusable lipid shuttles between the fat body and target tissues such as flight muscles or epidermis1. Three distinct apolipophorins are predicted in honey bees, apoLp-I-III. In our research, we focus on the apoLp-I and its precursor the apoLp-II/I. The role of this protein in honey bee biology has so far not been investigated thoroughly, except for its function in lipid transport. However, we believe that it is worth investigating also in other contexts such as immune response or physiological adaptation to seasons. This is based on the fact, that the apoLp-I shares multiple functional domains with another member of the LLTP superfamily, the vitellogenin, which is supposed to have a plethora of biological functions such as protection from oxidative stress2, regulation of social behavior3, and transfer of immune elicitors4, to name a few. We expect that the apoLp-I may share some of these properties and our preliminary results support this expectation. As an example, we have observed seasonal variation in the apoLp-I level, which has a similar expression pattern when compared to vitellogenin. We aim to further investigate this protein utilizing our in-house monoclonal antibodies, mass spectrometry-based techniques, and RNAi-based functional assays.
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