Octopamine and tyramine respectively regulate attractive and repulsive behavior in locust phase changes

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Octopamine and tyramine respectively regulate attractive and repulsive behavior in locust phase changes

Aggregative and solitary behaviors are universal phenomena in animals. Interestingly, locusts (Locusta migratoria) can reversibly transit their behavior between gregarious and solitary phase through conspecific attraction and repulsion. However, the regulatory mechanism of neurotransmitters underlying attraction and repulsion among locusts remains unknown. In this study, we found gregarious and...

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Isolation, cloning, and tissue expression of a putative octopamine/tyramine receptor from locust visceral muscle tissues.

Octopamine has been shown to play major roles in invertebrate nervous systems as a neurotransmitter, neuromodulator, and neurohormone. Tyramine is the biochemical precursor of octopamine and its neuromodulatory role is now being investigated and clarified in invertebrates, particularly in insects. Both octopamine and tyramine mediate their actions via G protein-coupled receptors (GPCRs) and are...

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Phase behavior of a fluid with competing attractive and repulsive interactions.

Fluids in which the interparticle potential has a hard core, is attractive at moderate separations, and repulsive at large separations are known to exhibit unusual phase behavior, including stable inhomogeneous phases. Here we report a joint simulation and theoretical study of such a fluid, focusing on the relationship between the liquid-vapor transition line and any new phases. The phase diagr...

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The role of octopamine and tyramine in Drosophila larval locomotion.

The characteristic crawling behavior of Drosophila larvae consists of a series of rhythmic waves of peristalsis and episodes of head swinging and turning. The two biogenic amines octopamine and tyramine have recently been shown to modulate various parameters of locomotion, such as muscle contraction, the time spent in pausing or forward locomotion, and the initiation and maintenance of rhythmic...

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ژورنال

عنوان ژورنال: Scientific Reports

سال: 2015

ISSN: 2045-2322

DOI: 10.1038/srep08036