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Jiang S, Marco HG, Scheich N, He S, Wang Z, Gäde G, McMahon DP. Comparative analysis of adipokinetic hormones and their receptors in Blattodea reveals novel patterns of gene evolution. INSECT MOLECULAR BIOLOGY 2023; 32:615-633. [PMID: 37382487 DOI: 10.1111/imb.12861] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 05/18/2023] [Indexed: 06/30/2023]
Abstract
Adipokinetic hormone (AKH) is a neuropeptide produced in the insect corpora cardiaca that plays an essential role in mobilising carbohydrates and lipids from the fat body to the haemolymph. AKH acts by binding to a rhodopsin-like G protein-coupled receptor (GPCR), the adipokinetic hormone receptor (AKHR). In this study, we tackle AKH ligand and receptor gene evolution as well as the evolutionary origins of AKH gene paralogues from the order Blattodea (termites and cockroaches). Phylogenetic analyses of AKH precursor sequences point to an ancient AKH gene duplication event in the common ancestor of Blaberoidea, yielding a new group of putative decapeptides. In total, 16 different AKH peptides from 90 species were obtained. Two octapeptides and seven putatively novel decapeptides are predicted for the first time. AKH receptor sequences from 18 species, spanning solitary cockroaches and subsocial wood roaches as well as lower and higher termites, were subsequently acquired using classical molecular methods and in silico approaches employing transcriptomic data. Aligned AKHR open reading frames revealed 7 highly conserved transmembrane regions, a typical arrangement for GPCRs. Phylogenetic analyses based on AKHR sequences support accepted relationships among termite, subsocial (Cryptocercus spp.) and solitary cockroach lineages to a large extent, while putative post-translational modification sites do not greatly differ between solitary and subsocial roaches and social termites. Our study provides important information not only for AKH and AKHR functional research but also for further analyses interested in their development as potential candidates for biorational pest control agents against invasive termites and cockroaches.
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Affiliation(s)
- Shixiong Jiang
- Institute of Biology, Freie Universität Berlin, Berlin, Germany
- Department for Materials and Environment, BAM Federal Institute for Materials Research and Testing, Berlin, Germany
| | - Heather G Marco
- Department of Biological Sciences, University of Cape Town, Rondebosch, South Africa
| | - Nina Scheich
- Institute of Biology, Freie Universität Berlin, Berlin, Germany
- Department for Materials and Environment, BAM Federal Institute for Materials Research and Testing, Berlin, Germany
| | - Shulin He
- College of Life Science, Chongqing Normal University, Chongqing, China
| | - Zongqing Wang
- College of Plant Protection, Southwest University, Chongqing, China
| | - Gerd Gäde
- Department of Biological Sciences, University of Cape Town, Rondebosch, South Africa
| | - Dino P McMahon
- Institute of Biology, Freie Universität Berlin, Berlin, Germany
- Department for Materials and Environment, BAM Federal Institute for Materials Research and Testing, Berlin, Germany
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Shaik HA, Mishra A. Influence of Asafoetida Extract on the Virulence of the Entomopathogenic Nematode Steinernema carpocapsae and Its Symbiotic Bacterium Xenorhabdus nematophila in the Host Pyrrhocoris apterus. Microorganisms 2023; 11:1678. [PMID: 37512851 PMCID: PMC10385281 DOI: 10.3390/microorganisms11071678] [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: 04/29/2023] [Revised: 06/11/2023] [Accepted: 06/21/2023] [Indexed: 07/30/2023] Open
Abstract
Nematode-microbe symbiosis plays a key role in determining pathogenesis against pests. The modulation of symbiotic bacteria may affect the virulence of entomopathogenic nematodes (EPNs) and the biological management of pests. We tested the influence of asafoetida (ASF) extract on the virulence of Steinernema carpocapsae and its symbiotic bacterium, Xenorhabdus nematophila, in Pyrrhocoris apterus. A total of 100 mg of ASF killed 30% of EPNs in 48 h, while P. apterus remained unaffected. The EPNs pre-treated with 100 mg of ASF influenced P. apterus's mortality by 24-91.4% during a period of 24 to 72 h. The topical application of ASF acted as a deterrent to S. carpocapsae, lowering host invasion to 70% and delaying infectivity with 30% mortality for 168 h. Interestingly, Steinernema's symbiotic bacterium, Xenorhabdus, remained unaffected by ASF. An in vitro turbidity test containing 100 mg of ASF in a medium increased the growth rate of Xenorhabdus compared to a control. A disc diffusion assay confirmed the non-susceptibility of Xenorhabdus to ASF compared to a positive control, streptomycin. Pro-phenol oxidase (PPO) and phenol oxidase (PO) upregulation showed that ASF influences immunity, while EPN/ASF showed a combined immunomodulatory effect in P. apterus. We report that ASF modulated the virulence of S. carpocapsae but not that of its symbiotic bacterium, X. nematophila, against P. apterus.
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Affiliation(s)
- Haq Abdul Shaik
- Institute of Entomology, Biology Centre, CAS, Branišovská 31, 37005 České Budějovice, Czech Republic
| | - Archana Mishra
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, Institute of Aquaculture and Protection of Waters, University of South Bohemia in České Budějovice, Na Sádkách 1780, 37005 České Budějovice, Czech Republic
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Adedara IA, Mohammed KA, Da-Silva OF, Salaudeen FA, Gonçalves FL, Rosemberg DB, Aschner M, Rocha JBT, Farombi EO. Utility of cockroach as a model organism in the assessment of toxicological impacts of environmental pollutants. ENVIRONMENTAL ADVANCES 2022; 8:100195. [PMID: 35992224 PMCID: PMC9390120 DOI: 10.1016/j.envadv.2022.100195] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Environmental pollution is a global concern because of its associated risks to human health and ecosystem. The bio-monitoring of environmental health has attracted much attention in recent years and efforts to minimize environmental contamination as well as to delineate toxicological mechanisms related to toxic exposure are essential to improve the health conditions of both humans and animals. This review aims to substantiate the need and advantages in utilizing cockroaches as a complementary, non-mammalian model to further understand the noxious impact of environmental contaminants on humans and animals. We discuss recent advances in neurotoxicology, immunotoxicology, reproductive and developmental toxicology, environmental forensic entomotoxicology, and environmental toxicology that corroborate the utility of the cockroach (Periplaneta americana, Blaptica dubia, Blattella germanica and Nauphoeta cinerea) in addressing toxicological mechanisms as well as a sensor of environmental pollution. Indeed, recent improvements in behavioural assessment and the detection of potential biomarkers allow for the recognition of phenotypic alterations in cockroaches following exposure to toxic chemicals namely saxitoxin, methylmercury, polychlorinated biphenyls, electromagnetic fields, pharmaceuticals, polycyclic aromatic hydrocarbon, chemical warfare agents and nanoparticles. The review provides a state-of-the-art update on the current utility of cockroach models in various aspects of toxicology as well as discusses the potential limitations and future perspectives.
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Affiliation(s)
- Isaac A. Adedara
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
- Departamento de Bioquímica e Biologia Molecular, CCNE, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
- Corresponding author. (I.A. Adedara)
| | - Khadija A. Mohammed
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Oluwatobiloba F. Da-Silva
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Faoziyat A. Salaudeen
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Falco L.S. Gonçalves
- Departamento de Bioquímica e Biologia Molecular, CCNE, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | - Denis B. Rosemberg
- Departamento de Bioquímica e Biologia Molecular, CCNE, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | - Michael Aschner
- Department of Molecular Pharmacology; Albert Einstein College of Medicine Forchheimer 209; 1300 Morris Park Avenue, Bronx, NY 10461, U.S.A
| | - Joao B. T. Rocha
- Departamento de Bioquímica e Biologia Molecular, CCNE, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | - Ebenezer O. Farombi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
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Bodláková K, Černý J, Štěrbová H, Guráň R, Zítka O, Kodrík D. Insect Body Defence Reactions against Bee Venom: Do Adipokinetic Hormones Play a Role? Toxins (Basel) 2021; 14:toxins14010011. [PMID: 35050987 PMCID: PMC8780464 DOI: 10.3390/toxins14010011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 11/30/2022] Open
Abstract
Bees originally developed their stinging apparatus and venom against members of their own species from other hives or against predatory insects. Nevertheless, the biological and biochemical response of arthropods to bee venom is not well studied. Thus, in this study, the physiological responses of a model insect species (American cockroach, Periplaneta americana) to honeybee venom were investigated. Bee venom toxins elicited severe stress (LD50 = 1.063 uL venom) resulting in a significant increase in adipokinetic hormones (AKHs) in the cockroach central nervous system and haemolymph. Venom treatment induced a large destruction of muscle cell ultrastructure, especially myofibrils and sarcomeres. Interestingly, co-application of venom with cockroach Peram-CAH-II AKH eliminated this effect. Envenomation modulated the levels of carbohydrates, lipids, and proteins in the haemolymph and the activity of digestive amylases, lipases, and proteases in the midgut. Bee venom significantly reduced vitellogenin levels in females. Dopamine and glutathione (GSH and GSSG) insignificantly increased after venom treatment. However, dopamine levels significantly increased after Peram-CAH-II application and after co-application with bee venom, while GSH and GSSG levels immediately increased after co-application. The results suggest a general reaction of the cockroach body to bee venom and at least a partial involvement of AKHs.
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Affiliation(s)
- Karolina Bodláková
- Biology Centre, Institute of Entomology, CAS, Branišovská 31, 370 05 Ceske Budejovice, Czech Republic; (K.B.); (J.Č.); (H.Š.)
- Faculty of Science, University of South Bohemia, Branišovská 31a, 370 05 Ceske Budejovice, Czech Republic
| | - Jan Černý
- Biology Centre, Institute of Entomology, CAS, Branišovská 31, 370 05 Ceske Budejovice, Czech Republic; (K.B.); (J.Č.); (H.Š.)
- Faculty of Science, University of South Bohemia, Branišovská 31a, 370 05 Ceske Budejovice, Czech Republic
| | - Helena Štěrbová
- Biology Centre, Institute of Entomology, CAS, Branišovská 31, 370 05 Ceske Budejovice, Czech Republic; (K.B.); (J.Č.); (H.Š.)
| | - Roman Guráň
- Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1665/1, 613 00 Brno, Czech Republic; (R.G.); (O.Z.)
- Central European Institute of Technology, Brno University of Technology, Purkyňova 656/123, 612 00 Brno, Czech Republic
| | - Ondřej Zítka
- Department of Chemistry and Biochemistry, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1665/1, 613 00 Brno, Czech Republic; (R.G.); (O.Z.)
- Central European Institute of Technology, Brno University of Technology, Purkyňova 656/123, 612 00 Brno, Czech Republic
| | - Dalibor Kodrík
- Biology Centre, Institute of Entomology, CAS, Branišovská 31, 370 05 Ceske Budejovice, Czech Republic; (K.B.); (J.Č.); (H.Š.)
- Faculty of Science, University of South Bohemia, Branišovská 31a, 370 05 Ceske Budejovice, Czech Republic
- Correspondence:
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Gautam UK, Hlávková D, Shaik HA, Karaca I, Karaca G, Sezen K, Kodrík D. Adipokinetic Hormones Enhance the Efficacy of the Entomopathogenic Fungus Isaria fumosorosea in Model and Pest Insects. Pathogens 2020; 9:pathogens9100801. [PMID: 32998278 PMCID: PMC7600585 DOI: 10.3390/pathogens9100801] [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: 08/25/2020] [Revised: 09/23/2020] [Accepted: 09/24/2020] [Indexed: 01/13/2023] Open
Abstract
Insect adipokinetic hormones (AKHs) are neuropeptides with a wide range of actions, including the control of insect energy metabolism. These hormones are also known to be involved in the insect defence system against toxins and pathogens. In this study, our aim was to demonstrate whether the application of external AKHs significantly enhances the efficacy of the entomopathogenic fungus Isaria fumosorosea in a model species (firebug Pyrrhocoris apterus) and pest species (Egyptian cotton leafworm Spodoptera littoralis and pea aphid Acyrthosiphon pisum). It was found that the co-application of Isaria with AKHs significantly enhanced insect mortality in comparison to the application of Isaria alone. The mode of action probably involves an increase in metabolism that is caused by AKHs (evidenced by the production of carbon dioxide), which accelerates the turnover of Isaria toxins produced into the infected insects. However, several species-specific differences probably exist. Intoxication by Isaria elicited the stimulation of Akh gene expression and synthesis of AKHs. Therefore, all interactions between Isaria and AKH actions as well as their impact on insect physiology from a theoretical and practical point of view need to be discussed further.
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Affiliation(s)
- Umesh Kumar Gautam
- Department of Biochemistry and Physiology, Institute of Entomology, Biology Centre, Czech Academy of Sciences, 370 05 České Budějovice, Czech Republic; (U.K.G.); (D.H.); (H.A.S.)
- Department of Zoology, Faculty of Science, University of South Bohemia, 370 05 České Budějovice, Czech Republic
- Department of Plant Protection, Faculty of Agriculture, Isparta University of Applied Sciences, 32260 Isparta, Turkey; (I.K.); (G.K.)
- Department of Biology, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Turkey;
| | - Daniela Hlávková
- Department of Biochemistry and Physiology, Institute of Entomology, Biology Centre, Czech Academy of Sciences, 370 05 České Budějovice, Czech Republic; (U.K.G.); (D.H.); (H.A.S.)
- Department of Zoology, Faculty of Science, University of South Bohemia, 370 05 České Budějovice, Czech Republic
| | - Haq Abdul Shaik
- Department of Biochemistry and Physiology, Institute of Entomology, Biology Centre, Czech Academy of Sciences, 370 05 České Budějovice, Czech Republic; (U.K.G.); (D.H.); (H.A.S.)
| | - Ismail Karaca
- Department of Plant Protection, Faculty of Agriculture, Isparta University of Applied Sciences, 32260 Isparta, Turkey; (I.K.); (G.K.)
| | - Gürsel Karaca
- Department of Plant Protection, Faculty of Agriculture, Isparta University of Applied Sciences, 32260 Isparta, Turkey; (I.K.); (G.K.)
| | - Kazim Sezen
- Department of Biology, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Turkey;
| | - Dalibor Kodrík
- Department of Biochemistry and Physiology, Institute of Entomology, Biology Centre, Czech Academy of Sciences, 370 05 České Budějovice, Czech Republic; (U.K.G.); (D.H.); (H.A.S.)
- Department of Zoology, Faculty of Science, University of South Bohemia, 370 05 České Budějovice, Czech Republic
- Correspondence:
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