Serotonin precursor (5-hydroxytryptophan) causes substantial changes in the fighting behavior of male crickets, Gryllus bimaculatusстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 2 мая 2014 г.
Аннотация:This study demonstrates that injection of the serotonin precursor 5-HTP causes substantial
changes in the behavioral state, fighting behavior and ability to establish winner-loser relationship in male crickets (Gryllus bimaculatus). The characteristic features of 5HTPtreated crickets include an elevated posture, enhanced general activity, longer duration of fighting, enhanced rival singing and a decreased ability to produce a clear fight loser. Additionally, 5-HTP-treated males showed a slightly delayed latency to spread their mandibles, a decreased number of attacks and an equal potential to win in comparison to controls (Ringer-treated males). The obtained results imply a significant role for serotonin in the regulation of socialstatus related behaviors in G. bimaculatus. Specifically, these data indicate that a decrease in serotonergic activity may be functionally important for the control of loser behavior and that some behavioral features of dominant male crickets are likely to be connected with the activation of the serotonergic system.