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The cloning, phylogenetic relationship and distribution pattern of two new putative GPCR-type octopamine receptors in the desert locust (Schistocerca gregaria)

  • The biogenic amine octopamine functions as a neuromodulator, neurotransmitter and neurohormone in insect nervous systems. It plays a prominent role in modulating multiple physiological and behavioural processes in invertebrates. Octopamine exerts its effects by binding to specific receptor proteins that belong to the superfamily of G protein-coupled receptors. We found two partial sequences of putative octopamine receptors in the desert locust Schistocerca gregaria (SgOct alpha R and SgOct beta R) and investigated their transcript levels in males and females of both phases and during the transition between long-term solitarious and gregarious locusts. The transcript levels of SgOctaR are the highest in the central nervous system, whereas those of SgOct beta R are the highest in the flight muscles, followed by the central nervous system. Both SgOct alpha R and SgOct beta R show higher transcript levels in long-term gregarious locusts as compared to solitarious ones. The rise of SgOct beta R transcript levels already appears during theThe biogenic amine octopamine functions as a neuromodulator, neurotransmitter and neurohormone in insect nervous systems. It plays a prominent role in modulating multiple physiological and behavioural processes in invertebrates. Octopamine exerts its effects by binding to specific receptor proteins that belong to the superfamily of G protein-coupled receptors. We found two partial sequences of putative octopamine receptors in the desert locust Schistocerca gregaria (SgOct alpha R and SgOct beta R) and investigated their transcript levels in males and females of both phases and during the transition between long-term solitarious and gregarious locusts. The transcript levels of SgOctaR are the highest in the central nervous system, whereas those of SgOct beta R are the highest in the flight muscles, followed by the central nervous system. Both SgOct alpha R and SgOct beta R show higher transcript levels in long-term gregarious locusts as compared to solitarious ones. The rise of SgOct beta R transcript levels already appears during the first 4 h of gregarisation, during which also the behavioural changes take place.show moreshow less

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Author details:Heleen Verlinden, Rut Vleugels, Elisabeth Marchal, Liesbeth Badisco, Julie Tobback, Hans-Joachim Pflüger, Wolfgang BlenauORCiDGND, Jozef Vanden Broeck
URL:http://www.sciencedirect.com/science/journal/00221910
DOI:https://doi.org/10.1016/j.jinsphys.2010.03.003
ISSN:0022-1910
Publication type:Article
Language:English
Year of first publication:2010
Publication year:2010
Release date:2017/03/25
Source:Journal of insect physiology. - ISSN 0022-1910. - 56 (2010), 8, S. 868 - 875
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Biochemie und Biologie
Peer review:Referiert
Publishing method:Open Access
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