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Short neuropeptide F in integrated insect physiology

Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第5期25卷 389-409页

作者： Marcin CHOLEWINSKI Szymon CHOWANSKI jan lubawy Arkadiusz URBANSKI Karolina WALKOWIAK-NOWICKA Paweł MARCINIAK Department of Animal Physiology and Developmental Biology Adam Mickiewicz UniversityPoznan 61-614Poland

The short neuropeptide F(sNPF)family of peptides is a multifunctional group of neurohormones involved in the regulation of various physiological processes in *** have been found in a broad spectrum of species,but the number of isoforms in the precursor molecule varies from one to *** receptor for sNPF(sNPFR),which belongs to the G protein-coupled receptor family,has been characterized in various insect orders and was shown to be an ortholog of the mammalian prolactin-releasing peptide receptor(PrPR).The sNPF signaling pathway interacts with other neurohormones such as insulin-like peptides,SIFamide,and pigment-dispersing factors(PDFs)to regulate various *** main physiological function of sNPF seems to be involved in the regulation of feeding,but the observed effects are *** is also connected with the regulation of foraging behavior and the olfactory *** influence of sNPF on feeding and thus energy metabolism may also indirectly affect other vital processes,such as reproduction and *** addition,these neurohormones are involved in the regulation of locomotor activity and circadian rhythm in *** review summarizes the current state of knowledge about the sNPF system in insects.

关键词： Insect neuropeptide Invertebrate neurobiology Short neuropeptide F(sNPF) Feeding Neurohormone

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昆虫生理中短神经肽F的功能研究进展（英文）

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第5期 389-410页

作者： Marcin CHOLEWI?SKI Szymon CHOWA?SKI jan lubawy Arkadiusz URBA?SKI Karolina WALKOWIAK-NOWICKA Pawe? MARCINIAK 亚当密茨凯维奇大学生物学院动物生理学和发育生物学系

短神经肽F(sNPF)肽家族是参与调控昆虫体内各种生理过程的多功能神经激素。它们广泛分布于生物体中，但前体分子中的异构体数量因物种而异，从一个到四个不等。sNPF受体（sNPFR）属于G蛋白偶联受体家族，在多种昆虫目中已有表征，并被... 详细信息

短神经肽F(sNPF)肽家族是参与调控昆虫体内各种生理过程的多功能神经激素。它们广泛分布于生物体中，但前体分子中的异构体数量因物种而异，从一个到四个不等。sNPF受体（sNPFR）属于G蛋白偶联受体家族，在多种昆虫目中已有表征，并被证明是哺乳动物泌乳素释放肽受体（PrPR）的同源物。sNPF信号通路通过与其他神经激素（例如类胰岛素肽、SIFamide和色素分散因子（PDFs））的相互作用以调控多种生理过程。其主要生理功能涉及摄食的调节，但观察到的效应因物种而异。sNPF还与觅食行为和嗅觉系统的调节相关。其对摄食及能量代谢的影响还可能间接影响其他重要过程，例如繁殖和发育。此外，这些神经激素还参与昆虫的运动活动和昼夜节律的调节。本文回顾并总结了昆虫中sNPF系统的现阶段研究进展。

关键词：昆虫神经肽无脊椎动物神经生物学短神经肽F(sNPF) 摄食神经激素

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Myotropic activity and immunolocalization of selected neuropeptides of the burying beetle Nicrophorus vespilloides (Coleoptera: Silphidae)

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Insect Science 2019年第4期26卷 656-670页

作者： Arkadiusz Urbanski jan lubawy Pawel Marciniak Grzegorz Rosinski Faculty of Biology Department of Animal Physiology and Development Adam Mickiewicz University in Poznan Poznan Poland

Burying beetles (Nicrophorus sp.) are necrophagous insects with developed parental care. Genome of Nicrophorus vespilloides has been recently sequenced, which makes them interesting model organism in behavioral ecology. However, we know very little about their physiology, including the functioning of their neuroendocrine system. In this study, one of the physiological activities of proctolin, myosuppressin (Nieve? MS), myoinhibitory peptide (Trica-MIP-5) and the short neuropeptide F (Nicve-sNPF) in N. vespilloides have been investigated. The tested neuropeptides were myoactive on N. vespilloides hindgut. After application of the proctolin increased hindgut contraction frequency was observed (EC50 value was 5.47 x 10-8 mol/L). The other tested neuropeptides led to inhibition of N. vespilloides hindgut contractions (Nicve-MS: IC50 = 5.20 x 10~5 mol/L;Trica-MIP-5: IC50 = 5.95 x 10-6 mol/L;Nicvc-sNPF: IC50 = 4.08 x 10-5 mol/L). Moreover, the tested neuropeptides were immunolocalized in the nervous system of N. vespilloides. Neurons containing sNPF and MIP in brain and ventral nerve cord (VNC) were identified. Proctolin-immunolabeled neurons only in VNC were observed. Moreover, MIP-immunolabeled varicosities and fibers in retrocerebral complex were observed. In addition, our results have been supplemented with alignments of amino acid sequences of these neuropeptides in beetle species. This alignment analysis clearly showed amino acid sequence similarities between neuropeptides. Moreover, this allowed to deduce amino acid sequence of N. vespilloides proctolin (RYLPTa), Nicve-MS (QDVDHVFLRFa) and six isoforms ofNicve-MIP (Nicve-MIP-1一 DWNRNLHSWa;Nicve-MIP-2—AWQNLQGGWa;Nicve-MIP-3—AWQNLQGGWa;Nicve-MlP-4—AWKNLNNAGWa;Nicve-MIP-5—SEWGNFRGSWa;Nicve-MIP-6— DPAWTNLKGIWa;and Nicve-sNPF—SGRSPSLRLRFa).

关键词： burying beetles immunolocalization myotropic activity neuropeptides nervous system

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