Serotonergic-linked alterations of aggression of the crayfish

IF 0.9 4区 生物学 Q3 MARINE & FRESHWATER BIOLOGY Marine and Freshwater Behaviour and Physiology Pub Date : 2020-08-24 DOI:10.1080/10236244.2020.1810574
D. Bergman, P. Moore
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引用次数: 3

Abstract

ABSTRACT Current theory suggests that aggressive behavior in the crayfish is largely modulated and regulated by the neurotransmitter serotonin (5-HT). To test this theory that links serotonin to aggression, we performed a series of drug treatments using various serotonin-related chemicals to measure their effects on subsequent aggressive behavior. Treatments included serotonin, the serotonin precursor tryptophan, agonists: 1-(3-chlorophenyl) piperazine (m-CPP) and 5-Carboxy, an antagonist: cinanserin, and a serotonin receptor specific neurotoxin: 5,7-dihydroxytryptamine creatinine sulfate (5,7-DHT). Significant increases in aggression of Faxonius rusticus crayfish were observed when injected with serotonin and both agonists, however no decrease in aggression occurred with the antagonist. Crayfish injected with the agonist m-CPP increased aggression but did not directly confer success in fights. Our data support the current literature that the internal aggressive state of crayfish is altered by serotonin and its agonist/antagonists, however it does not on its own improve the aggressive fighting response and/or dominance status.
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5 -羟色胺能改变小龙虾的攻击性
目前的理论表明,小龙虾的攻击行为在很大程度上是由神经递质5-羟色胺(5-HT)调节的。为了验证这个将血清素与攻击性联系起来的理论,我们进行了一系列的药物治疗,使用各种血清素相关的化学物质来测量它们对随后的攻击性行为的影响。治疗包括5-羟色胺,5-羟色胺前体色氨酸,激动剂:1-(3-氯苯基)哌嗪(m-CPP)和5-羧基,拮抗剂:肉桂色胺,以及5-羟色胺受体特异性神经毒素:5,7-二羟色胺硫酸肌酐(5,7- dht)。注射5 -羟色胺和两种激动剂后,小龙虾的攻击性显著增加,而拮抗剂没有降低小龙虾的攻击性。注射了激动剂m-CPP的小龙虾增加了攻击性,但并没有直接赋予打斗的胜利。我们的数据支持了目前的文献,即5 -羟色胺及其激动剂/拮抗剂改变了小龙虾的内部攻击状态,但它本身并不能改善攻击反应和/或优势地位。
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来源期刊
Marine and Freshwater Behaviour and Physiology
Marine and Freshwater Behaviour and Physiology 生物-海洋与淡水生物学
CiteScore
2.10
自引率
0.00%
发文量
9
审稿时长
>12 weeks
期刊介绍: Marine and Freshwater Behaviour and Physiology is devoted to the publication of papers covering field and laboratory research into all aspects of the behaviour and physiology of all marine and freshwater animals within the contexts of ecology, evolution and conservation. As the living resources of the world’s oceans, rivers and lakes are attracting increasing attention as food sources for humans and for their role in global ecology, the journal will also publish the results of research in the areas of fisheries biology and technology where the behaviour and physiology described have clear links to the contexts mentioned above. The journal will accept for publication Research Articles, Reviews, Rapid Communications and Technical Notes (see Instructions for authors for details). In addition, Editorials, Opinions and Book Reviews (invited and suggested) will also occasionally be published. Suggestions to the Editor-In-Chief for Special Issues are encouraged and will be considered on an ad hoc basis. With the goal of supporting early career researchers, the journal particularly invites submissions from graduate students and post-doctoral researchers. In addition to recognising the time constraints and logistical limitations their research often faces, and their particular need for a prompt review process, accepted articles by such researchers will be given prominence within the journal (see Instructions for authors for details).
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