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Sun J, Zhang W, Cui Z, Pan Y, Smagghe G, Zhang L, Wickham JD, Sun J, Mang D. HcGr76 responds to fructose and chlorogenic acid and is involved in regulation of peptide expression in the midgut of Hyphantria cunea larvae. PEST MANAGEMENT SCIENCE 2024. [PMID: 38982883 DOI: 10.1002/ps.8285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/31/2024] [Accepted: 06/20/2024] [Indexed: 07/11/2024]
Abstract
BACKGROUND Sensing dietary components in the gut is important to ensure an appropriate hormonal response and metabolic regulation after food intake. The fall webworm, Hyphantria cunea, is a major invasive pest in China and has led to significant economic losses and ecosystem disruption. The larvae's broad host range and voracious appetite for leaves make H. cunea a primary cause of serious damage to both forests and crops. To date, however, the gustatory receptors (Grs) of H. cunea and their regulatory function remain largely unknown. RESULTS We identified the fall webworm gustatory receptor HcGr76 as a fructose and chlorogenic acid receptor using Ca2+ imaging and determination of intracellular Ca2+ concentration by a microplate reader. Moreover, reverse transcription-quantitative polymerase chain reaction (RT-qPCR) analysis revealed that HcGr76 is highly expressed in the anterior and middle midgut. Knockdown of HcGr76 caused a significant reduction in the expression of neuropeptide F 1 (NPF1) and CCHamide-2, and led to a decrease in carbohydrate and lipid levels in the hemolymph. CONCLUSION Our studies provide circumstantial evidence that HcGr76 expressed in the midgut is involved in sensing dietary components, and regulates the expression of relevant peptide hormones to alter metabolism in H. cunea larvae, thus providing a promising molecular target for the development of new insect-specific control products. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Jing Sun
- College of Life Science, Hebei University, Baoding, China
| | - Wenjing Zhang
- College of Life Science, Hebei University, Baoding, China
| | - Zhebo Cui
- College of Life Science, Hebei University, Baoding, China
| | - Yifan Pan
- College of Life Science, Hebei University, Baoding, China
- Hebei Basic Science Center for Biotic Interaction, Hebei University, Baoding, China
| | - Guy Smagghe
- Institute of Entomology and Special Key Laboratory for Development and Utilization of Insect Resources of Guizhou, Guizhou University, Guiyang, China
- Cellular and Molecular Life Sciences, Department of Biology, Vrije Universiteit Brussel (VUB), Brussels, Belgium
- Department of Plants and Crops, Ghent University, Ghent, Belgium
| | - Longwa Zhang
- Anhui Provincial Key Laboratory of Microbial Control, Engineering Research Center of Fungal Biotechnology, Ministry of Education, School of Forestry & Landscape Architecture, Anhui Agricultural University, Hefei, China
| | - Jacob D Wickham
- A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow, Russia
| | - Jianghua Sun
- College of Life Science, Hebei University, Baoding, China
- Hebei Basic Science Center for Biotic Interaction, Hebei University, Baoding, China
| | - Dingze Mang
- College of Life Science, Hebei University, Baoding, China
- Hebei Basic Science Center for Biotic Interaction, Hebei University, Baoding, China
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Tokyo, Japan
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2
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Kaur G, Quilici DR, Woolsey RJ, Petereit J, Nuss AB. Starvation-Induced Changes to the Midgut Proteome and Neuropeptides in Manduca sexta. INSECTS 2024; 15:325. [PMID: 38786882 PMCID: PMC11121805 DOI: 10.3390/insects15050325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 04/27/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024]
Abstract
Starvation is a complex physiological state that induces changes in protein expression to ensure survival. The insect midgut is sensitive to changes in dietary content as it is at the forefront of communicating information about incoming nutrients to the body via hormones. Therefore, a DIA proteomics approach was used to examine starvation physiology and, specifically, the role of midgut neuropeptide hormones in a representative lepidopteran, Manduca sexta. Proteomes were generated from midguts of M. sexta fourth-instar caterpillars, starved for 24 h and 48 h, and compared to fed controls. A total of 3047 proteins were identified, and 854 of these were significantly different in abundance. KEGG analysis revealed that metabolism pathways were less abundant in starved caterpillars, but oxidative phosphorylation proteins were more abundant. In addition, six neuropeptides or related signaling cascade proteins were detected. Particularly, neuropeptide F1 (NPF1) was significantly higher in abundance in starved larvae. A change in juvenile hormone-degrading enzymes was also detected during starvation. Overall, our results provide an exploration of the midgut response to starvation in M. sexta and validate DIA proteomics as a useful tool for quantifying insect midgut neuropeptide hormones.
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Affiliation(s)
- Gurlaz Kaur
- Cell and Molecular Biology Graduate Program, University of Nevada, Reno, NV 89557, USA;
| | - David R. Quilici
- Mick Hitchcock, Ph.D. Nevada Proteomics Center, University of Nevada, Reno, NV 89557, USA; (D.R.Q.); (R.J.W.)
| | - Rebekah J. Woolsey
- Mick Hitchcock, Ph.D. Nevada Proteomics Center, University of Nevada, Reno, NV 89557, USA; (D.R.Q.); (R.J.W.)
| | - Juli Petereit
- Nevada Bioinformatics Center, University of Nevada, Reno, NV 89557, USA;
| | - Andrew B. Nuss
- Department of Agriculture, Veterinary & Rangeland Sciences, University of Nevada, Reno, NV 89557, USA
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3
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Istiban MN, De Fruyt N, Kenis S, Beets I. Evolutionary conserved peptide and glycoprotein hormone-like neuroendocrine systems in C. elegans. Mol Cell Endocrinol 2024; 584:112162. [PMID: 38290646 PMCID: PMC11004728 DOI: 10.1016/j.mce.2024.112162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 02/01/2024]
Abstract
Peptides and protein hormones form the largest group of secreted signals that mediate intercellular communication and are central regulators of physiology and behavior in all animals. Phylogenetic analyses and biochemical identifications of peptide-receptor systems reveal a broad evolutionary conservation of these signaling systems at the molecular level. Substantial progress has been made in recent years on characterizing the physiological and putative ancestral roles of many peptide systems through comparative studies in invertebrate models. Several peptides and protein hormones are not only molecularly conserved but also have conserved roles across animal phyla. Here, we focus on functional insights gained in the nematode Caenorhabditis elegans that, with its compact and well-described nervous system, provides a powerful model to dissect neuroendocrine signaling networks involved in the control of physiology and behavior. We summarize recent discoveries on the evolutionary conservation and knowledge on the functions of peptide and protein hormone systems in C. elegans.
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Affiliation(s)
- Majdulin Nabil Istiban
- Neural Signaling and Circuit Plasticity, Department of Biology, KU Leuven, 3000, Leuven, Belgium
| | - Nathan De Fruyt
- Neural Signaling and Circuit Plasticity, Department of Biology, KU Leuven, 3000, Leuven, Belgium
| | - Signe Kenis
- Neural Signaling and Circuit Plasticity, Department of Biology, KU Leuven, 3000, Leuven, Belgium
| | - Isabel Beets
- Neural Signaling and Circuit Plasticity, Department of Biology, KU Leuven, 3000, Leuven, Belgium.
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4
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Mang D, Toyama T, Yamagishi T, Sun J, Purba ER, Endo H, Matthews MM, Ito K, Nagata S, Sato R. Dietary compounds activate an insect gustatory receptor on enteroendocrine cells to elicit myosuppressin secretion. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2023; 155:103927. [PMID: 36871864 DOI: 10.1016/j.ibmb.2023.103927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 03/01/2023] [Accepted: 03/01/2023] [Indexed: 05/10/2023]
Abstract
Sensing of midgut internal contents is important for ensuring appropriate hormonal response and digestion following the ingestion of dietary components. Studies in mammals have demonstrated that taste receptors (TRs), a subgroup of G protein-coupled receptors (GPCRs), are expressed in gut enteroendocrine cells (EECs) to sense dietary compounds and regulate the production and/or secretion of peptide hormones. Although progress has been made in identifying expression patterns of gustatory receptors (GRs) in gut EECs, it is currently unknown whether these receptors, which act as ligand-gated ion channels, serve similar functions as mammalian GPCR TRs to elicit hormone production and/or secretion. A Bombyx mori Gr, BmGr6, has been demonstrated to express in cells by oral sensory organs, midgut and nervous system; and to sense isoquercitrin and chlorogenic acid, which are non-nutritional secondary metabolites of host mulberry. Here, we show that BmGr6 co-expresses with Bommo-myosuppressin (BMS) in midgut EECs, responds to dietary compounds and is involved in regulation of BMS secretion. The presence of dietary compounds in midgut lumen after food intake resulted in an increase of BMS secretions in hemolymph of both wild-type and BmGr9 knockout larvae, but BMS secretions in BmGr6 knockout larvae decreased relative to wild-type. In addition, loss of BmGr6 led to a significant decrease in weight gain, excrement, hemolymph carbohydrates levels and hemolymph lipid levels. Interestingly, although BMS is produced in both midgut EECs and brain neurosecretory cells (NSCs), BMS levels in tissue extracts suggested that the increase in hemolymph BMS during feeding conditions is primarily due to secretion from midgut EECs. Our studies indicate that BmGr6 expressed in midgut EECs responds to the presence of dietary compounds in the lumen by eliciting BMS secretion in B. mori larvae.
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Affiliation(s)
- Dingze Mang
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China; Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan.
| | - Tomoko Toyama
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan
| | - Takayuki Yamagishi
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan
| | - Jing Sun
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China
| | - Endang R Purba
- Structural Cellular Biology Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa, 904-0495, Japan
| | - Haruka Endo
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan
| | - Melissa M Matthews
- Molecular Cryo-Electron Microscopy Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa, 904-0495, Japan
| | - Katsuhiko Ito
- Department of Science of Biological Production, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Fuchu, Tokyo, 183-8509, Japan
| | - Shinji Nagata
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Ryoichi Sato
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan.
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5
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Feng P, Wang Y, Zou H, Zhu Q, Ren Y, Shu Q, Su W, Liu W, Hu Y, Li B. The effects of glyphosate exposure on gene transcription and immune function of the silkworm, Bombyx mori. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2023; 112:e21990. [PMID: 36537163 DOI: 10.1002/arch.21990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/17/2022] [Accepted: 12/09/2022] [Indexed: 06/17/2023]
Abstract
Glyphosate is a widely used herbicide and crop desiccant. However, whether its extensive use has any effect on the species diversity of nontarget organisms is still unclear. In this study, we used the silkworm, Bombyx mori, as the research subject, and performed RNA sequencing to analyze the transcriptional profile of silkworm midgut after exposure to glyphosate at 2975.20 mg/L (a concentration commonly used at mulberry fields). A total of 125 significantly differentially expressed genes (DEGs) were detected in the midgut of glyphosate-exposed silkworm (q < 0.05), of which 53 were upregulated and 72 were downregulated. Gene ontology enrichment analysis showed that the DEGs were mainly enriched in biological process, cellular component, and molecular function. Kyoto encyclopedia of genes and genomes analysis showed that the differential genes were mainly related to oxidative stress, nutrient metabolism, and immune defense pathways, including oxidative stress-related Cat and Jafrac1, nutrient metabolism-related Fatp and Scpx, and immune-related CYP6AN2, UGT40B4, CTL11, serpin-2, and so forth. Experimental verification showed that glyphosate exposure led to a 4.35-fold increase in the mortality of silkworm after Beauveria bassiana infection, which might be caused by the decreased PO (phenoloxidase) activity and impaired immunity. These results provide evidence for the potential effects of residue glyphosate on the physiological functions of silkworm, and also provide a reference for the biosafety evaluation of glyphosate.
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Affiliation(s)
- Piao Feng
- School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Yuanfei Wang
- School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Hongbin Zou
- School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Qingyu Zhu
- School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Yuying Ren
- School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Qilong Shu
- School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Wujie Su
- School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu, P.R. China
| | - Wei Liu
- Suzhou Taihu snow silk Co., Ltd, Suzhou, Jiangsu, P.R. China
| | - Yufang Hu
- Suzhou Taihu snow silk Co., Ltd, Suzhou, Jiangsu, P.R. China
| | - Bing Li
- School of Basic Medicine and Biological Sciences, Soochow University, Suzhou, Jiangsu, P.R. China
- Sericulture Institute of Soochow University, Suzhou, Jiangsu, P.R. China
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6
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Li Y, Gao H, Zhang H, Yu R, Feng F, Tang J, Li B. Characterization and expression profiling of G protein-coupled receptors (GPCRs) in Spodoptera litura (Lepidoptera: Noctuidae). COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2022; 44:101018. [PMID: 35994891 DOI: 10.1016/j.cbd.2022.101018] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 01/27/2023]
Abstract
Spodoptera litura is a highly destructive omnivorous pest, and they caused serious damage to various crops. G protein-coupled receptors (GPCRs) mediate dozens of physiological processes including reproduction, development, life span and behaviors, but the information of these receptors has been lacking in S. litura. Here, we methodically identified 122 GPCRs in S. litura and made an assay of their expression patterns in different tissues. Comparing the identified GPCRs with homologous genes of other insects, it is obvious that the subfamily A2 (biogenic amine receptors) and the subfamily A3 (neuropeptide and protein hormone receptors) of S. litura have expanded to a certain extent, which may be related to the omnivorous nature and drought environment resistance of S. litura. Besides, the large Methuselah (Mth)/Methuselah-like (Mthl) subfamily of S. litura may be involved in many physiological functions such as longevity and stress response. Apart from duplicate receptors, the loss of parathyroid hormone receptor (PTHR) and the bride of sevenless (Boss) receptor in the lepidopteran insects may imply a new pattern of wing formation and energy metabolism in lepidopteran insects. In addition, the high expression level of GPCRs in different tissues reflects the functional diversity of GPCRs regulating. Systemic identification and initial characterization of GPCRs in S. litura provide a basis for further studies to reveal the functions of these receptors in regulating physiology and behavior.
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Affiliation(s)
- Yanxiao Li
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Han Gao
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Hui Zhang
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Runnan Yu
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Fan Feng
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Jing Tang
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China
| | - Bin Li
- Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing 210023, China.
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7
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Mang D, Mayu K, Toyama T, Yamagishi T, Sato R. BmGr4 responds to sucrose and glucose and expresses in tachykinin-related peptide-secreting enteroendocrine cells. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2022; 150:103858. [PMID: 36244651 DOI: 10.1016/j.ibmb.2022.103858] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/30/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
The regulatory hormones known as tachykinin-related peptides (TRPs) are identified as brain-gut peptides in insects. Dietary components from mulberry leaves, including glucose, induce secretion of TRPs from Bombyx mori midgut. However, the sensory molecules that recognize these compounds are still unknown. Here, we identified the gustatory receptor, BmGr4, as a sucrose and glucose receptor using Ca2+ imaging. Immunostaining revealed BmGr4 expression not only in the midgut, but also in the brain. In addition, BmGr4 expression was found to co-localize with TRP-expressing cells in both midgut enteroendocrine cells (EECs) and brain neurosecretory cells (NSCs). Furthermore, dietary nutrients after food intake result in an increase of TRP-level in hemolymph of silkworm larvae. These results provide significant circumstantial evidence for the involvement of the sucrose and glucose receptor, BmGr4, in the elicitation of TRP secretion in midgut EECs and brain NSCs.
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Affiliation(s)
- Dingze Mang
- College of Life Science, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China; Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan.
| | - Kasubuchi Mayu
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan
| | - Tomoko Toyama
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan
| | - Takayuki Yamagishi
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan
| | - Ryoichi Sato
- Graduate School of Bio-Application and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei 2-24-16, Tokyo, 184-8588, Japan.
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Li J, Lv H, Li X, Yao Y, Li J, Ma K. Identification and expression analysis of G protein-coupled receptors in the cotton aphid, Aphis gossypii Glover. Int J Biol Macromol 2022; 224:115-124. [DOI: 10.1016/j.ijbiomac.2022.10.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 10/10/2022] [Accepted: 10/12/2022] [Indexed: 11/05/2022]
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9
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Roller L, Daubnerová I, Mizoguchi A, Satake H, Tanaka Y, Stano M, Klucar L, Žitňan D. Expression analysis of peptidergic enteroendocrine cells in the silkworm Bombyx mori. Cell Tissue Res 2022; 389:385-407. [PMID: 35829810 DOI: 10.1007/s00441-022-03666-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Accepted: 06/27/2022] [Indexed: 11/25/2022]
Abstract
Enteroendocrine cells (ECs) in the insect midgut respond to physiological changes in the intestine by releasing multiple peptides to control food intake, gastrointestinal activity and systemic metabolism. Here, we performed a comprehensive mapping of ECs producing different regulatory peptides in the larval midgut of Bombyx mori. In total, we identified 20 peptide genes expressed in different ECs in specific regions of the midgut. Transcript-specific in situ hybridisation combined with antibody staining revealed approximately 30 subsets of ECs, each producing a unique peptide or a combination of several different peptides. Functional significance of this diversity and specific roles of different enteroendocrine peptides are largely unknown. Results of this study highlight the importance of the midgut as a major endocrine/paracrine source of regulatory molecules in insects and provide important information to clarify functions of ECs during larval feeding and development.
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Affiliation(s)
- Ladislav Roller
- Institute of Zoology, Slovak Academy of Sciences, Bratislava, Slovakia.
- Institute of Molecular Physiology and Genetics, Centre of Biosciences SAS, Bratislava, Slovakia.
| | - Ivana Daubnerová
- Institute of Zoology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Akira Mizoguchi
- Division of Liberal Arts and Sciences, Aichi Gakuin University, Nisshin, Aichi, Japan
| | - Honoo Satake
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, Kyoto, Japan
| | - Yoshiaki Tanaka
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Matej Stano
- Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Lubos Klucar
- Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Dušan Žitňan
- Institute of Zoology, Slovak Academy of Sciences, Bratislava, Slovakia
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Waldman J, Xavier MA, Vieira LR, Logullo R, Braz GRC, Tirloni L, Ribeiro JMC, Veenstra JA, Silva Vaz ID. Neuropeptides in Rhipicephalus microplus and other hard ticks. Ticks Tick Borne Dis 2022; 13:101910. [PMID: 35121230 PMCID: PMC9477089 DOI: 10.1016/j.ttbdis.2022.101910] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 01/24/2022] [Accepted: 01/25/2022] [Indexed: 12/15/2022]
Abstract
The synganglion is the central nervous system of ticks and, as such, controls tick physiology. It does so through the production and release of signaling molecules, many of which are neuropeptides. These peptides can function as neurotransmitters, neuromodulators and/or neurohormones, although in most cases their functions remain to be established. We identified and performed in silico characterization of neuropeptides present in different life stages and organs of Rhipicephalus microplus, generating transcriptomes from ovary, salivary glands, fat body, midgut and embryo. Annotation of synganglion transcripts led to the identification of 32 functional categories of proteins, of which the most abundant were: secreted, energetic metabolism and oxidant metabolism/detoxification. Neuropeptide precursors are among the sequences over-represented in R. microplus synganglion, with at least 5-fold higher transcription compared with other stages/organs. A total of 52 neuropeptide precursors were identified: ACP, achatin, allatostatins A, CC and CCC, allatotropin, bursicon A/B, calcitonin A and B, CCAP, CCHamide, CCRFamide, CCH/ITP, corazonin, DH31, DH44, eclosion hormone, EFLamide, EFLGGPamide, elevenin, ETH, FMRFamide myosuppressin-like, glycoprotein A2/B5, gonadulin, IGF, inotocin, insulin-like peptides, iPTH, leucokinin, myoinhibitory peptide, NPF 1 and 2, orcokinin, proctolin, pyrokinin/periviscerokinin, relaxin, RYamide, SIFamide, sNPF, sulfakinin, tachykinin and trissin. Several of these neuropeptides have not been previously reported in ticks, as the presence of ETH that was first clearly identified in Parasitiformes, which include ticks and mites. Prediction of the mature neuropeptides from precursor sequences was performed using available information about these peptides from other species, conserved domains and motifs. Almost all neuropeptides identified are also present in other tick species. Characterizing the role of neuropeptides and their respective receptors in tick physiology can aid the evaluation of their potential as drug targets.
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Affiliation(s)
- Jéssica Waldman
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Marina Amaral Xavier
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Larissa Rezende Vieira
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Raquel Logullo
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Gloria Regina Cardoso Braz
- Departamento de Bioquímica, Instituto de Química, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil; Instituto Nacional de Ciência e Tecnologia - Entomologia Molecular, Rio de Janeiro, RJ, Brazil
| | - Lucas Tirloni
- Tick-Pathogen Transmission Unit, Laboratory of Bacteriology, National Institute of Allergy and Infectious Diseases, Hamilton, MT, USA
| | - José Marcos C Ribeiro
- Vector Biology Section, Laboratory of Malaria and Vector Research, National Institute of Allergy and Infectious Diseases, Rockville, MD, USA
| | - Jan A Veenstra
- Institut de Neurosciences Cognitives et Intégratives d'Aquitaine, UMR 5287 CNRS, Université de Bordeaux, Bordeaux, France
| | - Itabajara da Silva Vaz
- Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Instituto Nacional de Ciência e Tecnologia - Entomologia Molecular, Rio de Janeiro, RJ, Brazil; Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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11
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Insects as a New Complex Model in Hormonal Basis of Obesity. Int J Mol Sci 2021; 22:ijms222011066. [PMID: 34681728 PMCID: PMC8540125 DOI: 10.3390/ijms222011066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/07/2021] [Accepted: 10/09/2021] [Indexed: 11/30/2022] Open
Abstract
Nowadays, one of the biggest problems in healthcare is an obesity epidemic. Consumption of cheap and low-quality energy-rich diets, low physical activity, and sedentary work favor an increase in the number of obesity cases within many populations/nations. This is a burden on society, public health, and the economy with many deleterious consequences. Thus, studies concerning this disorder are extremely needed, including searching for new, effective, and fitting models. Obesity may be related, among other factors, to disrupting adipocytes activity, disturbance of metabolic homeostasis, dysregulation of hormonal balance, cardiovascular problems, or disorders in nutrition which may lead to death. Because of the high complexity of obesity, it is not easy to find an ideal model for its studies which will be suitable for genetic and physiological analysis including specification of different compounds’ (hormones, neuropeptides) functions, as well as for signaling pathways analysis. In recent times, in search of new models for human diseases there has been more and more attention paid to insects, especially in neuro-endocrine regulation. It seems that this group of animals might also be a new model for human obesity. There are many arguments that insects are a good, multidirectional, and complex model for this disease. For example, insect models can have similar conservative signaling pathways (e.g., JAK-STAT signaling pathway), the presence of similar hormonal axis (e.g., brain–gut axis), or occurrence of structural and functional homologues between neuropeptides (e.g., neuropeptide F and human neuropeptide Y, insulin-like peptides, and human insulin) compared to humans. Here we give a hint to use insects as a model for obesity that can be used in multiple ways: as a source of genetic and peptidomic data about etiology and development correlated with obesity occurrence as well as a model for novel hormonal-based drug activity and their impact on mechanism of disease occurrence.
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Kong X, Li ZX, Gao YQ, Liu FH, Chen ZZ, Tian HG, Liu TX, Xu YY, Kang ZW. Genome-Wide Identification of Neuropeptides and Their Receptors in an Aphid Endoparasitoid Wasp, Aphidius gifuensi. INSECTS 2021; 12:insects12080745. [PMID: 34442310 PMCID: PMC8397052 DOI: 10.3390/insects12080745] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/12/2021] [Accepted: 08/16/2021] [Indexed: 12/20/2022]
Abstract
In insects, neuropeptides and their receptors not only play a critical role in insect physiology and behavior but also are the potential targets for novel pesticide discoveries. Aphidius gifuensis is one of the most important and widespread aphid parasitoids, and has been successfully used to control aphid. In the present work, we systematically identified neuropeptides and their receptors from the genome and head transcriptome of A. gifuensis. A total of 35 neuropeptide precursors and 49 corresponding receptors were identified. The phylogenetic analyses demonstrated that 35 of these receptors belong to family-A, four belong to family-B, two belong to leucine-rich repeat-containing GPCRs, four belong to receptor guanylyl cyclases, and four belong to receptor tyrosine kinases. Oral ingestion of imidacloprid significantly up-regulated five neuropeptide precursors and four receptors whereas three neuropeptide precursors and eight receptors were significantly down-regulated, which indicated that these neuropeptides and their receptors are potential targets of some commercial insecticides. The RT-qPCR results showed that dopamine receptor 1, dopamine receptor 2, octopamine receptor, allatostatin-A receptor, neuropeptides capa receptor, SIFamide receptor, FMRFamide receptor, tyramine receptor and short neuropeptide F predominantly were expressed in the head whilst the expression of ion transport peptide showed widespread distribution in various tissues. The high expression levels of these genes suggest their important roles in the central nervous system. Taken together, our study provides fundamental information that may further our understanding of neuropeptidergic signaling systems in the regulation of the physiology and behavior of solitary wasps. Furthermore, this information could also aid in the design and discovery of specific and environment-friendly insecticides.
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Affiliation(s)
- Xue Kong
- College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China; (X.K.); (Z.-X.L.); (Y.-Q.G.); (F.-H.L.); (Z.-Z.C.)
| | - Zhen-Xiang Li
- College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China; (X.K.); (Z.-X.L.); (Y.-Q.G.); (F.-H.L.); (Z.-Z.C.)
| | - Yu-Qing Gao
- College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China; (X.K.); (Z.-X.L.); (Y.-Q.G.); (F.-H.L.); (Z.-Z.C.)
| | - Fang-Hua Liu
- College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China; (X.K.); (Z.-X.L.); (Y.-Q.G.); (F.-H.L.); (Z.-Z.C.)
| | - Zhen-Zhen Chen
- College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China; (X.K.); (Z.-X.L.); (Y.-Q.G.); (F.-H.L.); (Z.-Z.C.)
| | - Hong-Gang Tian
- State Key Laboratory of Crop Stress Biology for the Arid Areas, Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Yangling 712100, China;
| | - Tong-Xian Liu
- Key Laboratory of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, China;
| | - Yong-Yu Xu
- College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China; (X.K.); (Z.-X.L.); (Y.-Q.G.); (F.-H.L.); (Z.-Z.C.)
- Correspondence: (Y.-Y.X.); (Z.-W.K.)
| | - Zhi-Wei Kang
- College of Plant Protection, Shandong Agricultural University, Tai’an 271018, China; (X.K.); (Z.-X.L.); (Y.-Q.G.); (F.-H.L.); (Z.-Z.C.)
- State Key Laboratory of Crop Stress Biology for the Arid Areas, Key Laboratory of Northwest Loess Plateau Crop Pest Management of Ministry of Agriculture, Northwest A&F University, Yangling 712100, China;
- Correspondence: (Y.-Y.X.); (Z.-W.K.)
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Guo Z, He X, Jiang C, Shi Y, Zhou N. Activation of Bombyx mori neuropeptide G protein-coupled receptor A19 by neuropeptide RYamides couples to G q protein-dependent signaling pathways. J Cell Biochem 2021; 122:456-471. [PMID: 33399233 DOI: 10.1002/jcb.29874] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 11/02/2020] [Accepted: 11/09/2020] [Indexed: 12/13/2022]
Abstract
RYamides constitute a novel family of neuropeptides newly identified in insects, and play important roles in regulating a variety of physiological processes. However, the signaling characteristics and physiological actions of RYamide signaling system remain largely unknown. In the present study, we cloned the full-length complementary DNA of the RYamide receptor BNGR-A19 from Bombyx mori larvae. After expression in mammalian HEK293T and insect Sf9 cells, functional assays revealed that BNGR-A19 was activated by synthetic RYamide peptides, triggering a significant increase in cAMP-response element controlled luciferase activity and Ca2+ mobilization in a Gq inhibitor-sensitive manner. Upon activation by RYamide peptides, BNGR-A19 elicited ERK1/2 phosphorylation via a Gq -PLC-PKC pathway, and also underwent a rapid internalization from the cell surface to the cytoplasm. Further cross-activity analysis indicated that BNGR-A19 exhibited very weak response upon stimulation by high concentration (1 μM) of Bombyx sulfakinin-1, neuropeptide F-1, and short neuropeptide F-1, and vice versa, Bombyx RYamides also showed slight potency for activating Bombyx NPF receptor (BNGR-A4) and sNPF receptor (BNGR-A11). In addition, the quantitative reverse-transcription polymerase chain reaction results showed that the high-level expression of BNGR-A19 was detected in the hindgut and testis, suggesting that the RYamide signaling is likely involved in the regulation of feeding, water homeostasis and testis development. This study provides the first in-depth information on the insect RYamide signaling system, facilitating the further clarification of its endocrinological roles in insect physiology.
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Affiliation(s)
- Zhiqiang Guo
- Institute of Biochemistry, College of Life Sciences, Zhejiang University, Zhejiang, Hangzhou, China
| | - Xiaobai He
- College of Biotechnology, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, China
| | - Chaohui Jiang
- Institute of Biochemistry, College of Life Sciences, Zhejiang University, Zhejiang, Hangzhou, China
| | - Ying Shi
- Institute of Biochemistry, College of Life Sciences, Zhejiang University, Zhejiang, Hangzhou, China
| | - Naiming Zhou
- Institute of Biochemistry, College of Life Sciences, Zhejiang University, Zhejiang, Hangzhou, China
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14
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Nässel DR, Zandawala M. Hormonal axes in Drosophila: regulation of hormone release and multiplicity of actions. Cell Tissue Res 2020; 382:233-266. [PMID: 32827072 PMCID: PMC7584566 DOI: 10.1007/s00441-020-03264-z] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/20/2020] [Indexed: 12/16/2022]
Abstract
Hormones regulate development, as well as many vital processes in the daily life of an animal. Many of these hormones are peptides that act at a higher hierarchical level in the animal with roles as organizers that globally orchestrate metabolism, physiology and behavior. Peptide hormones can act on multiple peripheral targets and simultaneously convey basal states, such as metabolic status and sleep-awake or arousal across many central neuronal circuits. Thereby, they coordinate responses to changing internal and external environments. The activity of neurosecretory cells is controlled either by (1) cell autonomous sensors, or (2) by other neurons that relay signals from sensors in peripheral tissues and (3) by feedback from target cells. Thus, a hormonal signaling axis commonly comprises several components. In mammals and other vertebrates, several hormonal axes are known, such as the hypothalamic-pituitary-gonad axis or the hypothalamic-pituitary-thyroid axis that regulate reproduction and metabolism, respectively. It has been proposed that the basic organization of such hormonal axes is evolutionarily old and that cellular homologs of the hypothalamic-pituitary system can be found for instance in insects. To obtain an appreciation of the similarities between insect and vertebrate neurosecretory axes, we review the organization of neurosecretory cell systems in Drosophila. Our review outlines the major peptidergic hormonal pathways known in Drosophila and presents a set of schemes of hormonal axes and orchestrating peptidergic systems. The detailed organization of the larval and adult Drosophila neurosecretory systems displays only very basic similarities to those in other arthropods and vertebrates.
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Affiliation(s)
- Dick R. Nässel
- Department of Zoology, Stockholm University, Stockholm, Sweden
| | - Meet Zandawala
- Department of Neuroscience, Brown University, Providence, RI USA
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15
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Abou El Asrar R, Cools D, Vanden Broeck J. Role of peptide hormones in insect gut physiology. CURRENT OPINION IN INSECT SCIENCE 2020; 41:71-78. [PMID: 32814267 DOI: 10.1016/j.cois.2020.07.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 05/09/2020] [Accepted: 07/22/2020] [Indexed: 06/11/2023]
Abstract
Nutrient uptake and digestion are essential for optimal growth and development. In insects, these processes are regulated by the gut-brain axis, which is a neurohumoral communication system for maintaining gut homeostasis. The insect gut is a complex organ consisting of three distinct structures, denominated foregut, midgut and hindgut, each with their specific specializations. These specializations are tightly regulated by the interplay of several neuropeptides: a versatile group of signalling molecules involved in a multitude of processes including gut physiology. Neuropeptides take part in the regulation of gut processes ranging from digestive enzyme release to muscle activity and satiety. Some neuropeptide mimetics are a promising strategy for ecological pest management. This review focuses on a selection of neuropeptides that are well-known for their role in gut physiology, and neuropeptides for which the mode of action is yet to be unravelled.
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Affiliation(s)
- Rania Abou El Asrar
- KU Leuven, Department of Biology, Research Group of Molecular Developmental Physiology and Signal Transduction, Naamsestraat 59 Box 2465, 3000 Leuven, Belgium
| | - Dorien Cools
- KU Leuven, Department of Biology, Research Group of Molecular Developmental Physiology and Signal Transduction, Naamsestraat 59 Box 2465, 3000 Leuven, Belgium
| | - Jozef Vanden Broeck
- KU Leuven, Department of Biology, Research Group of Molecular Developmental Physiology and Signal Transduction, Naamsestraat 59 Box 2465, 3000 Leuven, Belgium.
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16
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Yañez-Guerra LA, Elphick MR. Evolution and Comparative Physiology of Luqin-Type Neuropeptide Signaling. Front Neurosci 2020; 14:130. [PMID: 32132900 PMCID: PMC7041311 DOI: 10.3389/fnins.2020.00130] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 01/31/2020] [Indexed: 02/01/2023] Open
Abstract
Luqin is a neuropeptide that was discovered and named on account of its expression in left upper quadrant cells of the abdominal ganglion in the mollusc Aplysia californica. Subsequently, luqin-type peptides were identified as cardio-excitatory neuropeptides in other molluscs and a cognate receptor was discovered in the pond snail Lymnaea stagnalis. Phylogenetic analyses have revealed that orthologs of molluscan luqin-type neuropeptides occur in other phyla; these include neuropeptides in ecdysozoans (arthropods, nematodes) that have a C-terminal RYamide motif (RYamides) and neuropeptides in ambulacrarians (echinoderms, hemichordates) that have a C-terminal RWamide motif (RWamides). Furthermore, precursors of luqin-type neuropeptides typically have a conserved C-terminal motif containing two cysteine residues, although the functional significance of this is unknown. Consistent with the orthology of the neuropeptides and their precursors, phylogenetic and pharmacological studies have revealed that orthologous G-protein coupled receptors (GPCRs) mediate effects of luqin-type neuropeptides in spiralians, ecdysozoans, and ambulacrarians. Luqin-type signaling originated in a common ancestor of the Bilateria as a paralog of tachykinin-type signaling but, unlike tachykinin-type signaling, luqin-type signaling was lost in chordates. This may largely explain why luqin-type signaling has received less attention than many other neuropeptide signaling systems. However, insights into the physiological actions of luqin-type neuropeptides (RYamides) in ecdysozoans have been reported recently, with roles in regulation of feeding and diuresis revealed in insects and roles in regulation of feeding, egg laying, locomotion, and lifespan revealed in the nematode Caenorhabditis elegans. Furthermore, characterization of a luqin-type neuropeptide in the starfish Asterias rubens (phylum Echinodermata) has provided the first insights into the physiological roles of luqin-type signaling in a deuterostome. In conclusion, although luqin was discovered in Aplysia over 30 years ago, there is still much to be learnt about luqin-type neuropeptide signaling. This will be facilitated in the post-genomic era by the emerging opportunities for experimental studies on a variety of invertebrate taxa.
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Affiliation(s)
- Luis Alfonso Yañez-Guerra
- School of Biological and Chemical Sciences, Faculty of Science and Engineering, Queen Mary University of London, London, United Kingdom
| | - Maurice R Elphick
- School of Biological and Chemical Sciences, Faculty of Science and Engineering, Queen Mary University of London, London, United Kingdom
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17
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Wu K, Li S, Wang J, Ni Y, Huang W, Liu Q, Ling E. Peptide Hormones in the Insect Midgut. Front Physiol 2020; 11:191. [PMID: 32194442 PMCID: PMC7066369 DOI: 10.3389/fphys.2020.00191] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 02/19/2020] [Indexed: 12/20/2022] Open
Abstract
Insects produce many peptide hormones that play important roles in regulating growth, development, immunity, homeostasis, stress, and other processes to maintain normal life. As part of the digestive system, the insect midgut is also affected by hormones secreted from the prothoracic gland, corpus allatum, and various neuronal cells; these hormones regulate the secretion and activity of insects’ digestive enzymes and change their feeding behaviors. In addition, the insect midgut produces certain hormones when it recognizes various components or pathogenic bacteria in ingested foods; concurrently, the hormones regulate other tissues and organs. In addition, intestinal symbiotic bacteria can produce hormones that influence insect signaling pathways to promote host growth and development; this interaction is the result of long-term evolution. In this review, the types, functions, and mechanisms of hormones working on the insect midgut, as well as hormones produced therein, are reviewed for future reference in biological pest control.
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Affiliation(s)
- Kai Wu
- College of Life Sciences, Shangrao Normal University, Shangrao, China
| | - Shirong Li
- Key Laboratory of Insect Developmental and Evolutionary Biology, Chinese Academy of Sciences Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Jing Wang
- College of Life Sciences, Shangrao Normal University, Shangrao, China
| | - Yuyang Ni
- College of Life Sciences, Shangrao Normal University, Shangrao, China
| | - Wuren Huang
- Key Laboratory of Insect Developmental and Evolutionary Biology, Chinese Academy of Sciences Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Qiuning Liu
- Key Laboratory of Insect Developmental and Evolutionary Biology, Chinese Academy of Sciences Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China.,Jiangsu Key Laboratory for Bioresources of Saline Soils, Jiangsu Synthetic Innovation Center for Coastal Bio-Agriculture, Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, China
| | - Erjun Ling
- Key Laboratory of Insect Developmental and Evolutionary Biology, Chinese Academy of Sciences Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China.,Innovative Academy of Seed Design, Chinese Academy of Sciences, Beijing, China
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18
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Matsumoto S, Kutsuna N, Daubnerová I, Roller L, Žitňan D, Nagasawa H, Nagata S. Enteroendocrine peptides regulate feeding behavior via controlling intestinal contraction of the silkworm Bombyx mori. PLoS One 2019; 14:e0219050. [PMID: 31260470 PMCID: PMC6602202 DOI: 10.1371/journal.pone.0219050] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 06/16/2019] [Indexed: 11/24/2022] Open
Abstract
Our previous study demonstrated that predominant feeding inhibitory effects were found in the crude extracts of foregut and midgut of the silkworm Bombyx mori larvae. To address the entero-intestinal control crucial for the regulation of insect feeding behavior, the present study identified and functionally characterized feeding inhibitory peptides from the midgut of B. mori larvae. Purification and structural analyses revealed that the predominant inhibitory factors in the crude extracts were allatotropin (AT) and GSRYamide after its C-terminal sequence. In situ hybridization revealed that AT and GSRYamide were expressed in enteroendocrine cells in the posterior and anterior midgut, respectively. Receptor screening using Ca2+-imaging technique showed that the B. mori neuropeptide G protein-coupled receptor (BNGR)-A19 and -A22 acted as GSRYamide receptors and BNGR-A5 acted as an additional AT receptor. Expression analyses of these receptors and the results of the peristaltic motion assay indicated that these peptides participated in the regulation of intestinal contraction. Exposure of pharynx and ileum to AT and GSRYamide inhibited spontaneous contraction in ad libitum-fed larvae, while exposure of pharynx to GSRYamide did not inhibit contraction in non-fed larvae, indicating that the feeding state changed their sensitivity to inhibitory peptides. These different responses corresponded to different expression levels of their receptors in the pharynx. In addition, injection of AT and GSRYamide decreased esophageal contraction frequencies in the melamine-treated transparent larvae. These findings strongly suggest that these peptides exert feeding inhibitory effects by modulating intestinal contraction in response to their feeding state transition, eventually causing feeding termination.
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Affiliation(s)
- Sumihiro Matsumoto
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba, Japan
| | - Natsumaro Kutsuna
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba, Japan
| | - Ivana Daubnerová
- Institute of Zoology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Ladislav Roller
- Institute of Zoology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Dušan Žitňan
- Institute of Zoology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Hiromichi Nagasawa
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Shinji Nagata
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba, Japan
- * E-mail:
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19
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Nässel DR, Zandawala M. Recent advances in neuropeptide signaling in Drosophila, from genes to physiology and behavior. Prog Neurobiol 2019; 179:101607. [PMID: 30905728 DOI: 10.1016/j.pneurobio.2019.02.003] [Citation(s) in RCA: 183] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/18/2019] [Accepted: 02/28/2019] [Indexed: 12/11/2022]
Abstract
This review focuses on neuropeptides and peptide hormones, the largest and most diverse class of neuroactive substances, known in Drosophila and other animals to play roles in almost all aspects of daily life, as w;1;ell as in developmental processes. We provide an update on novel neuropeptides and receptors identified in the last decade, and highlight progress in analysis of neuropeptide signaling in Drosophila. Especially exciting is the huge amount of work published on novel functions of neuropeptides and peptide hormones in Drosophila, largely due to the rapid developments of powerful genetic methods, imaging techniques and innovative assays. We critically discuss the roles of peptides in olfaction, taste, foraging, feeding, clock function/sleep, aggression, mating/reproduction, learning and other behaviors, as well as in regulation of development, growth, metabolic and water homeostasis, stress responses, fecundity, and lifespan. We furthermore provide novel information on neuropeptide distribution and organization of peptidergic systems, as well as the phylogenetic relations between Drosophila neuropeptides and those of other phyla, including mammals. As will be shown, neuropeptide signaling is phylogenetically ancient, and not only are the structures of the peptides, precursors and receptors conserved over evolution, but also many functions of neuropeptide signaling in physiology and behavior.
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Affiliation(s)
- Dick R Nässel
- Department of Zoology, Stockholm University, Stockholm, Sweden.
| | - Meet Zandawala
- Department of Zoology, Stockholm University, Stockholm, Sweden; Department of Neuroscience, Brown University, Providence, RI, USA.
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20
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Čižmár D, Roller L, Pillerová M, Sláma K, Žitňan D. Multiple neuropeptides produced by sex-specific neurons control activity of the male accessory glands and gonoducts in the silkworm Bombyx mori. Sci Rep 2019; 9:2253. [PMID: 30783175 PMCID: PMC6381147 DOI: 10.1038/s41598-019-38761-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 12/10/2018] [Indexed: 12/20/2022] Open
Abstract
The male accessory glands (AG) and gonoducts of moths develop during metamorphosis and are essential for successful fertilization of females. We found that these reproductive organs are innervated by a sex-specific cluster of peptidergic neurons in the posterior 9th neuromere of the terminal abdominal ganglion (TAG). This cluster of ~20 neurons differentiate during metamorphosis to innervate the accessory glands and sperm ducts. Using immunohistochemistry and in situ hybridization (ISH) we showed that these neurons express four neuropeptide precursors encoding calcitonin-like diuretic hormone (CT-DH), allatotropin (AT) and AT-like peptides (ATLI-III), allatostatin C (AST-C), and myoinhibitory peptides (MIPs). We used contraction bioassay in vitro to determine roles of these neuropeptides in the gonoduct and accessory gland activity. Spontaneous contractions of the seminal vesicle and AG were stimulated in a dose depended manner by CT-DH and AT, whereas AST-C and MIP elicited dose dependent inhibition. Using quantitative RT-PCR we confirmed expression of receptors for these neuropeptides in organs innervated by the male specific cluster of neurons. Our results suggest a role of these neuropeptides in regulation of seminal fluid movements during copulation.
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Affiliation(s)
- Daniel Čižmár
- Institute of Zoology, Slovak Academy of Sciences, Dúbravská cesta 9, 84506, Bratislava, Slovakia
| | - Ladislav Roller
- Institute of Zoology, Slovak Academy of Sciences, Dúbravská cesta 9, 84506, Bratislava, Slovakia
| | - Miriam Pillerová
- Institute of Zoology, Slovak Academy of Sciences, Dúbravská cesta 9, 84506, Bratislava, Slovakia
| | - Karel Sláma
- Biology Centre of Czech Academy of Sciences, Institute of Entomology, Drnovská 507, 16100, Praha 6, Czech Republic
| | - Dušan Žitňan
- Institute of Zoology, Slovak Academy of Sciences, Dúbravská cesta 9, 84506, Bratislava, Slovakia.
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Matsumoto S, Ohara A, Nagai-Okatani C, Zhou YJ, Fujinaga D, Seike H, Nagata S. Antagonistic Effect of Short Neuropeptide F on Allatotropin-Inhibited Feeding Motivation of the Silkworm Larva, Bombyx mori. Zoolog Sci 2019; 36:58-67. [PMID: 31116539 DOI: 10.2108/zs180119] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 09/30/2018] [Indexed: 11/17/2022]
Abstract
Here, we demonstrated an antagonistic effect of short neuropeptide F (sNPF) in modulating feeding motivation in the silkworm Bombyx mori; sNPF reduced the feeding-delaying effects caused by administration of an inhibitory peptide, allatotropin (AT). In situ hybridization and MALDI-TOF MS analysis revealed the presence of three subtypes of sNPFs (sNPF-1, -2, and -3) in the midgut enteroendocrine cells. Ca2+-imaging analyses revealed that three subtypes of sNPF receptors (sNPFRs) (BNGR-A7, -A10, and -A11) showed different affinities with the three subtypes of sNPFs. In addition, sNPF activated its signaling via ERK phosphorylation in the midgut, while mixture of sNPF and AT reduced the phosphorylation level, agreeing with the results of behavioral assay. Together, our current findings suggest that intestinal sNPF positively modulates the feeding motivation by reducing the inhibitory effects by AT within the midgut.
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Affiliation(s)
- Sumihiro Matsumoto
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, the University of Tokyo, Kashiwa City, Chiba 277-8562, Japan
| | - Ayako Ohara
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, the University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Chiaki Nagai-Okatani
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, the University of Tokyo, Bunkyo-ku, Tokyo 113-8657, Japan.,Current affiliation: Biotechnology Research Institute for Drug Discovery, National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan
| | - Yi-Jun Zhou
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, the University of Tokyo, Kashiwa City, Chiba 277-8562, Japan.,Research Fellow of Japan Society for the Promotion of Science (JSPS), Kojimachi, Chiyoda-ku, Tokyo 102-0083, Japan
| | - Daiki Fujinaga
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, the University of Tokyo, Kashiwa City, Chiba 277-8562, Japan
| | - Hitomi Seike
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, the University of Tokyo, Kashiwa City, Chiba 277-8562, Japan
| | - Shinji Nagata
- Department of Integrated Biosciences, Graduate School of Frontier Sciences, the University of Tokyo, Kashiwa City, Chiba 277-8562, Japan,
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Yamagishi T, Endo H, Fukumura K, Nagata S, Hayakawa T, Adegawa S, Kasubuchi M, Sato R. Glucose, some amino acids and a plant secondary metabolite, chlorogenic acid induce the secretion of a regulatory hormone, tachykinin-related peptide, from the silkworm midgut. Peptides 2018; 106:21-27. [PMID: 29933025 DOI: 10.1016/j.peptides.2018.06.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 06/04/2018] [Accepted: 06/18/2018] [Indexed: 01/12/2023]
Abstract
Enteroendocrine cells in the insect midgut are thought to secrete peptide hormones in response to the nutritional state. However, the role of dietary compounds in inducing peptide hormone secretion from enteroendocrine cells in insects remains unknown. In the present study, we demonstrated that several dietary compounds from mulberry leaves, including glucose, amino acids, and the secondary metabolite chlorogenic acid, induced significant secretion of tachykinin-related peptides from isolated silkworm midguts at the luminal concentrations measured in fed larvae. This study provides evidence that the insect midgut senses a non-nutritious secondary metabolite in addition to nutrient metabolites to monitor luminal food status and secretes a feeding regulatory hormone, suggesting that a unique dietary sensory system modulates insect feeding via enteroendocrine control.
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Affiliation(s)
- Takayuki Yamagishi
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Haruka Endo
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Keisuke Fukumura
- Department of Integrated Bioscience, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba, 277-8562, Japan
| | - Shinji Nagata
- Department of Integrated Bioscience, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwanoha 5-1-5, Kashiwa, Chiba, 277-8562, Japan
| | - Tohru Hayakawa
- Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
| | - Satomi Adegawa
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Mayu Kasubuchi
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan
| | - Ryoichi Sato
- Graduate School of Bio-Applications and Systems Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan.
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23
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Ohno H, Yoshida M, Sato T, Kato J, Miyazato M, Kojima M, Ida T, Iino Y. Luqin-like RYamide peptides regulate food-evoked responses in C. elegans. eLife 2017; 6:e28877. [PMID: 28847365 PMCID: PMC5576490 DOI: 10.7554/elife.28877] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 08/08/2017] [Indexed: 12/25/2022] Open
Abstract
Peptide signaling controls many processes involving coordinated actions of multiple organs, such as hormone-mediated appetite regulation. However, the extent to which the mode of action of peptide signaling is conserved in different animals is largely unknown, because many peptides and receptors remain orphan and many undiscovered peptides still exist. Here, we identify two novel Caenorhabditis elegans neuropeptides, LURY-1-1 and LURY-1-2, as endogenous ligands for the neuropeptide receptor-22 (NPR-22). Both peptides derive from the same precursor that is orthologous to invertebrate luqin/arginine-tyrosine-NH2 (RYamide) proneuropeptides. LURY-1 peptides are secreted from two classes of pharyngeal neurons and control food-related processes: feeding, lifespan, egg-laying, and locomotory behavior. We propose that LURY-1 peptides transmit food signals to NPR-22 expressed in feeding pacemaker neurons and a serotonergic neuron. Our results identified a critical role for luqin-like RYamides in feeding-related processes and suggested that peptide-mediated negative feedback is important for satiety regulation in C. elegans.
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Affiliation(s)
- Hayao Ohno
- Department of Biological SciencesGraduate School of Science, The University of TokyoTokyoJapan
| | - Morikatsu Yoshida
- Department of BiochemistryNational Cerebral and Cardiovascular Center Research InstituteOsakaJapan
| | - Takahiro Sato
- Molecular GeneticsInstitute of Life Sciences, Kurume UniversityFukuokaJapan
| | - Johji Kato
- Department of Bioactive PeptidesFrontier Science Research Center, University of MiyazakiMiyazakiJapan
| | - Mikiya Miyazato
- Department of BiochemistryNational Cerebral and Cardiovascular Center Research InstituteOsakaJapan
| | - Masayasu Kojima
- Molecular GeneticsInstitute of Life Sciences, Kurume UniversityFukuokaJapan
| | - Takanori Ida
- Department of Bioactive PeptidesFrontier Science Research Center, University of MiyazakiMiyazakiJapan
- Center for Animal Disease ControlUniversity of MiyazakiMiyazakiJapan
| | - Yuichi Iino
- Department of Biological SciencesGraduate School of Science, The University of TokyoTokyoJapan
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24
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Mekata T, Kono T, Satoh J, Yoshida M, Mori K, Sato T, Miyazato M, Ida T. Purification and characterization of bioactive peptides RYamide and CCHamide in the kuruma shrimp Marsupenaeus japonicus. Gen Comp Endocrinol 2017; 246:321-330. [PMID: 28062303 DOI: 10.1016/j.ygcen.2017.01.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 12/01/2016] [Accepted: 01/02/2017] [Indexed: 11/24/2022]
Abstract
To understand the regulation systems of appetite, bioactive peptides from the kuruma shrimp Marsupenaeus japonicus (Mj) were isolated and purified by reverse pharmacological assays using CHO cells expressing the Drosophila melanogaster G-protein-coupled receptors (GPCRs) CG5811 (a RYamide receptor) or CG14593 (a CCHamide-2 receptor). Four peptides having binding activity to GPCRs were obtained and named Mj RYamide-1, Mj RYamide-2, Mj RYamide-3, and Mj CCHamide. Genes encoding the prepropeptides of these peptides were identified using kuruma shrimp transcriptome databases. The Mj prepro-RYamide gene encodes a 130-amino acid polypeptide containing Mj RYamide-1, Mj RYamide-2, and Mj RYamide-3, whereas the Mj prepro-CCHamide gene encodes a 119-amino acid polypeptide containing a single Mj CCHamide peptide. The expression of these genes was confirmed in various neuronal organs including the brain and ventral nerve cord. In addition, prepro-RYamide gene expression is significantly reduced in the brain after starvation. RYamides may thus be associated with regulation of feeding or digestion. Changes in kayak (the c-fos ortholog in invertebrates) gene expression after administration of synthetic peptides were also investigated. Mj kayak expression levels are upregulated in hepatopancreas after treatment with Mj RYamide-3 or CCHamide. Thus, the peptides isolated in this study may have some regulatory effect on cellular metabolism in aquacultured invertebrates.
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Affiliation(s)
- Tohru Mekata
- National Research Institute of Aquaculture, Japan Fisheries Research and Education Agency, Mie 516-0193, Japan
| | - Tomoya Kono
- Department of Biochemistry and Applied Biosciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan
| | - Jun Satoh
- National Research Institute of Aquaculture, Japan Fisheries Research and Education Agency, Mie 516-0193, Japan
| | - Morikatsu Yoshida
- Department of Biochemistry, National Cerebral and Cardiovascular Center Research Institute, Osaka 565-8565, Japan
| | - Kenji Mori
- Department of Biochemistry, National Cerebral and Cardiovascular Center Research Institute, Osaka 565-8565, Japan
| | - Takahiro Sato
- Molecular Genetics, Institute of Life Sciences, Kurume University, Fukuoka 839-0864, Japan
| | - Mikiya Miyazato
- Department of Biochemistry, National Cerebral and Cardiovascular Center Research Institute, Osaka 565-8565, Japan
| | - Takanori Ida
- Division of Searching and Identification of Bioactive Peptides, Department of Bioactive Peptides, Frontier Science Research Center, University of Miyazaki, Miyazaki 889-1692, Japan; Division of Research & Inspection for Infectious Diseases, Center for Animal Disease Control, University of Miyazaki, Miyazaki 889-1692, Japan.
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25
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Veenstra JA, Khammassi H. Rudimentary expression of RYamide in Drosophila melanogaster relative to other Drosophila species points to a functional decline of this neuropeptide gene. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2017; 83:68-79. [PMID: 28286046 DOI: 10.1016/j.ibmb.2017.03.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 03/05/2017] [Accepted: 03/05/2017] [Indexed: 06/06/2023]
Abstract
RYamides are arthropod neuropeptides with unknown function. In 2011 two RYamides were isolated from D. melanogaster as the ligands for the G-protein coupled receptor CG5811. The D. melanogaster gene encoding these neuropeptides is highly unusual, as there are four RYamide encoding exons in the current genome assembly, but an exon encoding a signal peptide is absent. Comparing the D. melanogaster gene structure with those from other species, including D. virilis, suggests that the gene is degenerating. RNAseq data from 1634 short sequence read archives at NCBI containing more than 34 billion spots yielded numerous individual spots that correspond to the RYamide encoding exons, of which a large number include the intron-exon boundary at the start of this exon. Although 72 different sequences have been spliced onto this RYamide encoding exon, none codes for the signal peptide of this gene. Thus, the RNAseq data for this gene reveal only noise and no signal. The very small quantities of peptide recovered during isolation and the absence of credible RNAseq data, indicates that the gene is very little expressed, while the RYamide gene structure in D. melanogaster suggests that it might be evolving into a pseudogene. Yet, the identification of the peptides it encodes clearly shows it is still functional. Using region specific antisera, we could localize numerous neurons and enteroendocrine cells in D. willistoni, D. virilis and D. pseudoobscura, but only two adult abdominal neurons in D. melanogaster. Those two neurons project to and innervate the rectal papillae, suggesting that RYamides may be involved in the regulation of water homeostasis.
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Affiliation(s)
- Jan A Veenstra
- INCIA, UMR 5287 CNRS, Université de Bordeaux, Pessac, France.
| | - Hela Khammassi
- INCIA, UMR 5287 CNRS, Université de Bordeaux, Pessac, France
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26
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Cunningham CB, Badgett MJ, Meagher RB, Orlando R, Moore AJ. Ethological principles predict the neuropeptides co-opted to influence parenting. Nat Commun 2017; 8:14225. [PMID: 28145404 PMCID: PMC5296637 DOI: 10.1038/ncomms14225] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Accepted: 12/08/2016] [Indexed: 01/29/2023] Open
Abstract
Ethologists predicted that parental care evolves by modifying behavioural precursors in the asocial ancestor. As a corollary, we predict that the evolved mechanistic changes reside in genetic pathways underlying these traits. Here we test our hypothesis in female burying beetles, Nicrophorus vespilloides, an insect where caring adults regurgitate food to begging, dependent offspring. We quantify neuropeptide abundance in brains collected from three behavioural states: solitary virgins, individuals actively parenting or post-parenting solitary adults and quantify 133 peptides belonging to 18 neuropeptides. Eight neuropeptides differ in abundance in one or more states, with increased abundance during parenting in seven. None of these eight neuropeptides have been associated with parental care previously, but all have roles in predicted behavioural precursors for parenting. Our study supports the hypothesis that predictable traits and pathways are targets of selection during the evolution of parenting and suggests additional candidate neuropeptides to study in the context of parenting.
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Affiliation(s)
| | - Majors J. Badgett
- Department of Chemistry, University of Georgia, Athens, Georgia 30602, USA
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602, USA
| | - Richard B. Meagher
- Department of Genetics, University of Georgia, Athens, Georgia 30602, USA
| | - Ron Orlando
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia 30602, USA
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia 30602, USA
| | - Allen J. Moore
- Department of Genetics, University of Georgia, Athens, Georgia 30602, USA
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