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Ma X, Yin Z, Li H, Guo J. Roles of herbivorous insects salivary proteins. Heliyon 2024; 10:e29201. [PMID: 38601688 PMCID: PMC11004886 DOI: 10.1016/j.heliyon.2024.e29201] [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: 12/21/2023] [Revised: 04/01/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024] Open
Abstract
The intricate relationship between herbivorous insects and plants has evolved over millions of years, central to this dynamic interaction are salivary proteins (SPs), which mediate key processes ranging from nutrient acquisition to plant defense manipulation. SPs, sourced from salivary glands, intestinal regurgitation or acquired through horizontal gene transfer, exhibit remarkable functional versatility, influencing insect development, behavior, and adhesion mechanisms. Moreover, SPs play pivotal roles in modulating plant defenses, to induce or inhibit plant defenses as elicitors or effectors. In this review, we delve into the multifaceted roles of SPs in herbivorous insects, highlighting their diverse impacts on insect physiology and plant responses. Through a comprehensive exploration of SP functions, this review aims to deepen our understanding of plant-insect interactions and foster advancements in both fundamental research and practical applications in plant-insect interactions.
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Affiliation(s)
- Xinyi Ma
- Institute of Entomology, Guizhou University, Guiyang, 550025, PR China
- Scientific Observing and Experimental Station of Crop Pest in Guiyang, Ministry of Agriculture and Rural Affairs of the PR China, Guiyang, 550025, PR China
| | - Zhiyong Yin
- Institute of Entomology, Guizhou University, Guiyang, 550025, PR China
- Scientific Observing and Experimental Station of Crop Pest in Guiyang, Ministry of Agriculture and Rural Affairs of the PR China, Guiyang, 550025, PR China
| | - Haiyin Li
- Institute of Entomology, Guizhou University, Guiyang, 550025, PR China
- Scientific Observing and Experimental Station of Crop Pest in Guiyang, Ministry of Agriculture and Rural Affairs of the PR China, Guiyang, 550025, PR China
| | - Jianjun Guo
- Institute of Entomology, Guizhou University, Guiyang, 550025, PR China
- Scientific Observing and Experimental Station of Crop Pest in Guiyang, Ministry of Agriculture and Rural Affairs of the PR China, Guiyang, 550025, PR China
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Bleau JR, Gaur N, Fu Y, Bos JIB. Unveiling the Slippery Secrets of Saliva: Effector Proteins of Phloem-Feeding Insects. MOLECULAR PLANT-MICROBE INTERACTIONS : MPMI 2024; 37:211-219. [PMID: 38148271 DOI: 10.1094/mpmi-10-23-0167-fi] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Phloem-feeding insects include many important agricultural pests that cause crop damage globally, either through feeding-related damage or upon transmission of viruses and microbes that cause plant diseases. With genetic crop resistances being limited to most of these pests, control relies on insecticides, which are costly and damaging to the environment and to which insects can develop resistance. Like other plant parasites, phloem-feeding insects deliver effectors inside their host plants to promote susceptibility, most likely by a combination of suppressing immunity and promoting nutrient availability. The recent emergence of the effector paradigm in plant-insect interactions is highlighted by increasing availability of effector repertoires for a range of species and a broadening of our knowledge concerning effector functions. Here, we focus on recent progress made toward identification of effector repertoires from phloem-feeding insects and developments in effector biology that will advance functional characterization studies. Importantly, identification of effector activities from herbivorous insects promises to provide new avenues toward development of crop protection strategies. [Formula: see text] Copyright © 2024 The Author(s). This is an open access article distributed under the CC BY 4.0 International license.
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Affiliation(s)
- Jade R Bleau
- Division of Plant Sciences, School of Life Sciences, University of Dundee, Dundee, DD2 5DA, U.K
| | - Namami Gaur
- Division of Plant Sciences, School of Life Sciences, University of Dundee, Dundee, DD2 5DA, U.K
| | - Yao Fu
- Division of Plant Sciences, School of Life Sciences, University of Dundee, Dundee, DD2 5DA, U.K
| | - Jorunn I B Bos
- Division of Plant Sciences, School of Life Sciences, University of Dundee, Dundee, DD2 5DA, U.K
- Cell and Molecular Sciences, The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, U.K
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Huang C, Dong X, Yang X, Zou J, Yang M, Wang X, Li W, He Y. Identification of neuropeptides and their G protein-coupled receptors in the predatory stink bug, Arma custos (Hemiptera: Pentatomidae). ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2024; 115:e22094. [PMID: 38409857 DOI: 10.1002/arch.22094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Revised: 01/31/2024] [Accepted: 02/11/2024] [Indexed: 02/28/2024]
Abstract
The predatory stink bug Arma custos has been selected as an effective biological control agent and has been successfully massly bred and released into fields for the control of a diverse insect pests. As a zoophytophagous generalist, A. custos relies on a complex neuropeptide signaling system to prey on distinct food and adapt to different environments. However, information about neuropeptide signaling genes in A. custos has not been reported to date. In the present study, a total of 57 neuropeptide precursor transcripts and 41 potential neuropeptide G protein-coupled receptor (GPCR) transcripts were found mainly using our sequenced transcriptome data. Furthermore, a number of neuropeptides and their GPCR receptors that were enriched in guts and salivary glands of A. custos were identified, which might play critical roles in feeding and digestion. Our study provides basic information for an in-depth understanding of biological and ecological characteristics of the predatory bug and would aid in the development of better pest management strategies based on the effective utilization and protection of beneficial natural enemies.
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Affiliation(s)
- Chunyang Huang
- Guizhou Provincial Tobacco Company Zunyi Branch, Zunyi, China
| | - Xiangli Dong
- Guizhou Provincial Tobacco Company Zunyi Branch, Zunyi, China
| | - Xiang Yang
- Guizhou Provincial Tobacco Company Zunyi Branch, Zunyi, China
| | - Jingmiao Zou
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Mingwei Yang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Xinyi Wang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Wenhong Li
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Yueping He
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
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Li W, Li Z, Yang X, Wang X, Yang M, Huang C, He Y. Transcriptome analysis reveals salivary gland-specific neuropeptide signaling genes in the predatory stink bug, Picromerus lewisi. Front Physiol 2023; 14:1270751. [PMID: 37841314 PMCID: PMC10570428 DOI: 10.3389/fphys.2023.1270751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 09/19/2023] [Indexed: 10/17/2023] Open
Abstract
Predatory stink bugs derive from phytophagous stink bugs and evolved enhanced predation skills. Neuropeptides are a diverse class of ancient signaling molecules that regulate physiological processes and behavior in animals, including stink bugs. Neuropeptide evolution might be important for the development of predation because neuropeptides can be converted to venoms that impact prey. However, information on neuropeptide signaling genes in predatory stink bugs is lacking. In the present study, neuropeptide signaling genes of Picromerus lewisi, an important predatory stink bug and an effective biological agent, were comprehensively identified by transcriptome analysis, with a total of 59 neuropeptide precursor genes and 58 potential neuropeptide receptor genes found. In addition, several neuropeptides and their receptors enriched in salivary glands of P. lewisi were identified. The present study and subsequent functional research contribute to an in-depth understanding of the biology and behavior of the predatory bugs and can provide basic information for the development of better pest management strategies, possibly including neuropeptide receptors as insecticide targets and salivary gland derived venom toxins as novel killing moleculars.
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Affiliation(s)
- Wenhong Li
- Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Zhimo Li
- Guizhou Provincial Tobacco Company Zunyi Branch, Zunyi, China
| | - Xiang Yang
- Guizhou Provincial Tobacco Company Zunyi Branch, Zunyi, China
| | - Xinyi Wang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Mingwei Yang
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Chunyang Huang
- Guizhou Provincial Tobacco Company Zunyi Branch, Zunyi, China
| | - Yueping He
- Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, China
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Zhao T, Wang M, Li Z, Li H, Yuan D, Zhang X, Guo M, Qian W, Cheng D. Wds-Mediated H3K4me3 Modification Regulates Lipid Synthesis and Transport in Drosophila. Int J Mol Sci 2023; 24:ijms24076125. [PMID: 37047100 PMCID: PMC10093852 DOI: 10.3390/ijms24076125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/10/2023] [Accepted: 03/16/2023] [Indexed: 04/14/2023] Open
Abstract
Lipid homeostasis is essential for insect growth and development. The complex of proteins associated with Set 1 (COMPASS)-catalyzed Histone 3 lysine 4 trimethylation (H3K4me3) epigenetically activates gene transcription and is involved in various biological processes, but the role and molecular mechanism of H3K4me3 modification in lipid homeostasis remains largely unknown. In the present study, we showed in Drosophila that fat body-specific knockdown of will die slowly (Wds) as one of the COMPASS complex components caused a decrease in lipid droplet (LD) size and triglyceride (TG) levels. Mechanistically, Wds-mediated H3K4me3 modification in the fat body targeted several lipogenic genes involved in lipid synthesis and the Lpp gene associated with lipid transport to promote their expressions; the transcription factor heat shock factor (Hsf) could interact with Wds to modulate H3K4me3 modification within the promoters of these targets; and fat body-specific knockdown of Hsf phenocopied the effects of Wds knockdown on lipid homeostasis in the fat body. Moreover, fat body-specific knockdown of Wds or Hsf reduced high-fat diet (HFD)-induced oversized LDs and high TG levels. Altogether, our study reveals that Wds-mediated H3K4me3 modification is required for lipid homeostasis during Drosophila development and provides novel insights into the epigenetic regulation of insect lipid metabolism.
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Affiliation(s)
- Tujing Zhao
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715, China
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
| | - Min Wang
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715, China
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
| | - Zheng Li
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715, China
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
| | - Hao Li
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715, China
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
| | - Dongqin Yuan
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715, China
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
| | - Xing Zhang
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
| | - Mengge Guo
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715, China
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
| | - Wenliang Qian
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715, China
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
| | - Daojun Cheng
- State Key Laboratory of Silkworm Genome Biology, Biological Science Research Center, Southwest University, Chongqing 400715, China
- Chongqing Key Laboratory of Sericultural Science, Southwest University, Chongqing 400715, China
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Guirado J, Carranza-Valencia J, Morante J. Mammalian puberty: a fly perspective. FEBS J 2023; 290:359-369. [PMID: 35607827 PMCID: PMC10084137 DOI: 10.1111/febs.16534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 05/02/2022] [Accepted: 05/23/2022] [Indexed: 02/05/2023]
Abstract
Mammalian puberty and Drosophila metamorphosis, despite their evolutionary distance, exhibit similar design principles and conservation of molecular components. In this Viewpoint, we review recent advances in this area and the similarities between both processes in terms of the signaling pathways and neuroendocrine circuits involved. We argue that the detection and uptake of peripheral fat by Drosophila prothoracic endocrine cells induces endomembrane remodeling and ribosomal maturation, leading to the acquisition of high biosynthetic and secretory capacity. The absence of this fat-neuroendocrine interorgan communication leads to giant, obese, non-pupating larvae. Importantly, human leptin is capable of signaling the pupariation process in Drosophila, and its expression prevents obesity and triggers maturation in mutants that do not pupate. This implies that insect metamorphosis can be used to address issues related to the biology of leptin and puberty.
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Affiliation(s)
- Juan Guirado
- Instituto de Neurociencias, Consejo Superior de Investigaciones Cientificas (CSIC) and Universidad Miguel Hernández (UMH), San Juan de Alicante, Spain
| | - Juan Carranza-Valencia
- Instituto de Neurociencias, Consejo Superior de Investigaciones Cientificas (CSIC) and Universidad Miguel Hernández (UMH), San Juan de Alicante, Spain
| | - Javier Morante
- Instituto de Neurociencias, Consejo Superior de Investigaciones Cientificas (CSIC) and Universidad Miguel Hernández (UMH), San Juan de Alicante, Spain
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