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Juteršek M, Gerasymenko IM, Petek M, Haumann E, Vacas S, Kallam K, Gianoglio S, Navarro-Llopis V, Heethoff M, Fuertes IN, Patron N, Orzáez D, Gruden K, Warzecha H, Baebler Š. Transcriptome-informed identification and characterization of Planococcus citri cis- and trans-isoprenyl diphosphate synthase genes. iScience 2024; 27:109441. [PMID: 38523795 PMCID: PMC10960109 DOI: 10.1016/j.isci.2024.109441] [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: 06/20/2023] [Revised: 10/13/2023] [Accepted: 03/04/2024] [Indexed: 03/26/2024] Open
Abstract
Insect physiology and reproduction depend on several terpenoid compounds, whose biosynthesis is mainly unknown. One enigmatic group of insect monoterpenoids are mealybug sex pheromones, presumably resulting from the irregular coupling activity of unidentified isoprenyl diphosphate synthases (IDSs). Here, we performed a comprehensive search for IDS coding sequences of the pest mealybug Planococcus citri. We queried the available genomic and newly generated short- and long-read P. citri transcriptomic data and identified 18 putative IDS genes, whose phylogenetic analysis indicates several gene family expansion events. In vitro testing confirmed regular short-chain coupling activity with five gene products. With the candidate with highest IDS activity, we also detected low amounts of irregular coupling products, and determined amino acid residues important for chain-length preference and irregular coupling activity. This work therefore provides an important foundation for deciphering terpenoid biosynthesis in mealybugs, including the sex pheromone biosynthesis in P. citri.
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Affiliation(s)
- Mojca Juteršek
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000 Ljubljana, Slovenia
- Jožef Stefan International Postgraduate School, Jamova 39, 1000 Ljubljana, Slovenia
| | - Iryna M. Gerasymenko
- Plant Biotechnology and Metabolic Engineering, Department of Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 64287 Darmstadt, Germany
- Centre for Synthetic Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 64287 Darmstadt, Germany
| | - Marko Petek
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Elisabeth Haumann
- Plant Biotechnology and Metabolic Engineering, Department of Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 64287 Darmstadt, Germany
- Centre for Synthetic Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 64287 Darmstadt, Germany
| | - Sandra Vacas
- Instituto Agroforestal del Mediterráneo-CEQA, Universitat Politècnica de València, Camino de Vera s/n, Valencia, Spain
| | - Kalyani Kallam
- Engineering Biology, Earlham Institute, Norwich Research Park, Norwich, Norfolk NR4 7UZ, UK
| | - Silvia Gianoglio
- Institute for Plant Molecular and Cell Biology (IBMCP), Consejo Superior de Investigaciones Científicas (CSIC) - Universitat Politècnica de València (UPV), Valencia, Spain
| | - Vicente Navarro-Llopis
- Instituto Agroforestal del Mediterráneo-CEQA, Universitat Politècnica de València, Camino de Vera s/n, Valencia, Spain
| | - Michael Heethoff
- Animal Evolutionary Ecology, Department of Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 64287 Darmstadt, Germany
| | | | - Nicola Patron
- Engineering Biology, Earlham Institute, Norwich Research Park, Norwich, Norfolk NR4 7UZ, UK
| | - Diego Orzáez
- Institute for Plant Molecular and Cell Biology (IBMCP), Consejo Superior de Investigaciones Científicas (CSIC) - Universitat Politècnica de València (UPV), Valencia, Spain
| | - Kristina Gruden
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Heribert Warzecha
- Plant Biotechnology and Metabolic Engineering, Department of Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 64287 Darmstadt, Germany
- Centre for Synthetic Biology, Technical University of Darmstadt, Schnittspahnstrasse 4, 64287 Darmstadt, Germany
| | - Špela Baebler
- National Institute of Biology, Department of Biotechnology and Systems Biology, Večna pot 111, 1000 Ljubljana, Slovenia
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Abbas S, Alam A, Abbas M, Abbas A, Ali J, Schilthuizen M, Romano D, Zhao CR. Lateralised courtship behaviour and its impact on mating success in Ostrinia furnacalis (Lepidoptera: Crambidae). BULLETIN OF ENTOMOLOGICAL RESEARCH 2024:1-9. [PMID: 38639207 DOI: 10.1017/s0007485324000178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Lateralisation is a well-established phenomenon observed in an increasing number of insect species. This study aims to obtain basic details on lateralisation in courtship and mating behaviour in Ostrinia furnacalis, the Asian corn borer. We conducted laboratory investigations to observe lateralisation in courtship and mating behaviours in adult O. furnacalis. Our goal was also to detect lateralised mating behaviour variations during sexual interactions and to elucidate how these variances might influence the mating success of males. Our findings reveal two distinct lateralised traits: male approaches from the right or left side of the female and the direction of male turning displays. Specifically, males approaching females from their right side predominantly exhibited left-biased 180° turning displays, while males approaching females from the left-side primarily displayed right-biased 180° turning displays. Notably, left-biased males, executing a 180° turn for end-to-end genital contact, initiated copulation with fewer attempts and began copulation earlier than their right-biased approaches with left-biased 180° turning displays. Furthermore, mating success was higher when males subsequently approached the right side of females during sexual encounters. Left-biased 180° turning males exhibited a higher number of successful mating interactions. These observations provide the first report on lateralisation in the reproductive behaviour of O. furnacalis under controlled laboratory conditions and hold promise for establishing reliable benchmarks for assessing and monitoring the quality of mass-produced individuals in pest control efforts.
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Affiliation(s)
- Sohail Abbas
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
| | - Aleena Alam
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
| | - Muneer Abbas
- Arid Zone Research Institute, Bhakkar, Punjab 30004 Pakistan
| | - Arzlan Abbas
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
| | - Jamin Ali
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
| | - Menno Schilthuizen
- Naturalis Biodiversity Center, Darwinweg 2, 2333CR Leiden, The Netherlands
- Institute for Biology Leiden, Leiden University, Sylviusweg 72, 2333BE Leiden, The Netherlands
| | - Donato Romano
- The BioRobotics Institute & Department of Excellence in Robotics and AI, Sant'Anna School of Advanced Studies, 56127 Pisa, Italy
| | - Chen Ri Zhao
- College of Plant Protection, Jilin Agricultural University, Changchun, Jilin, 130118 PR China
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Sun C, Li S, Wang K, Feng H, Tian C, Liu X, Li X, Yin X, Wang Y, Wei J, An S. Cyclosporin A as a Source for a Novel Insecticidal Product for Controlling Spodoptera frugiperda. Toxins (Basel) 2022; 14:toxins14100721. [PMID: 36287989 PMCID: PMC9610628 DOI: 10.3390/toxins14100721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 09/30/2022] [Accepted: 10/07/2022] [Indexed: 11/05/2022] Open
Abstract
The fall armyworm (FAW), Spodoptera frugiperda, causes substantial annual agricultural production losses worldwide due to its resistance to many insecticides. Therefore, new insecticides are urgently needed to more effectively control FAW. Cyclosporin A (CsA) is a secondary metabolite of fungi; little is known about its insecticidal activity, especially for the control of FAW. In this study, we demonstrate that CsA shows excellent insecticidal activity (LC50 = 9.69 μg/g) against FAW through significant suppression of calcineurin (CaN) activity, which is a new target for pest control. Combinations of CsA and indoxacarb, emamectin benzoate, or Vip3Aa showed independent or synergistic toxicity against FAW; however, the combination of CsA and chlorantraniliprole showed no toxicity. Sublethal doses of CsA led to decreases in FAW larval and pupal weight, pupation, emergence, mating rates, adult longevity, extended development of FAW larvae and pupae and the pre-oviposition period of adults, and increases in the proportion of pupal malformation. Importantly, CsA treatment reduced FAW ovarian size and female fecundity, which suggests that it has great potential to suppress FAW colony formation. Taken together, these results indicate that CsA has high potential as an insecticide for controlling FAW.
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Affiliation(s)
- Chengxian Sun
- State Key Laboratory of Wheat and Maize Crop Science, Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Shunjia Li
- State Key Laboratory of Wheat and Maize Crop Science, Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Kai Wang
- State Key Laboratory of Wheat and Maize Crop Science, Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Hongqiang Feng
- Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Caihong Tian
- Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Xiaoguang Liu
- State Key Laboratory of Wheat and Maize Crop Science, Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Xiang Li
- State Key Laboratory of Wheat and Maize Crop Science, Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Xinming Yin
- State Key Laboratory of Wheat and Maize Crop Science, Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Yanmei Wang
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
- Correspondence: (Y.W.); (J.W.)
| | - Jizhen Wei
- State Key Laboratory of Wheat and Maize Crop Science, Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
- Correspondence: (Y.W.); (J.W.)
| | - Shiheng An
- State Key Laboratory of Wheat and Maize Crop Science, Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
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Sun C, Li S, Wang K, Yin X, Wang Y, Du M, Wei J, An S. Cyclosporin A as a Potential Insecticide to Control the Asian Corn Borer Ostrinia furnacalis Guenée (Lepidoptera: Pyralidae). INSECTS 2022; 13:965. [PMID: 36292912 PMCID: PMC9604310 DOI: 10.3390/insects13100965] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 09/28/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
The long-term use of chemical insecticides has caused serious problems of insect resistance and environmental pollution; new insecticides are needed to solve this problem. Cyclosporin A (CsA) is a polypeptide produced by many fungi, which is used to prevent or treat immune rejection during organ transplantation. However, little is known about the utility of CsA as an insecticide. Therefore, this study evaluated the insecticidal activity of CsA using Ostrinia furnacalis as a model. The results demonstrated that CsA was toxic to O. furnacalis with LC50 values of 113.02 μg/g and 198.70 μg/g for newly hatched neonates and newly molted third-instar larvae, respectively. Furthermore, CsA treatment had sublethal effects on the development of O. furnacalis, and significantly reduced the fecundity of adults; this suggests that CsA has great potential to suppress O. furnacalis populations. Further analysis revealed that CsA suppressed calcineurin activity in larvae. CsA had independent or synergistic toxic effects on O. furnacalis when combined with β-cypermethrin, indoxacarb, emamectin benzoate, azadirachtin, and the Bacillus thuringiensis toxin Cry1Ac, which suggests that CsA can help prevent or manage resistance. Our study provides detailed information on the potential of CsA as an insecticide for controlling lepidopterans.
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Affiliation(s)
- Chengxian Sun
- Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Shunjia Li
- Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Kai Wang
- Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Xinming Yin
- Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Yanmei Wang
- College of Forestry, Henan Agricultural University, Zhengzhou 450002, China
| | - Mengfang Du
- Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Jizhen Wei
- Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
| | - Shiheng An
- Henan International Laboratory for Green Pest Control, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China
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Yang Y, Ma X, Zhang L, Zhao W, Liu X, Li X, Du M, An S. Octopamine terminates sex pheromone biosynthesis by suppressing PBAN signal in moths. INSECT MOLECULAR BIOLOGY 2022; 31:647-658. [PMID: 35652818 DOI: 10.1111/imb.12793] [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: 01/24/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
The biosynthesis and termination of insect sex pheromones should be accurately regulated. In most moths, the biosynthesis and release of sex pheromones are regulated by a class of neuropeptides known as pheromone biosynthesis activating neuropeptides (PBANs). However, endogenous mechanisms underlying the termination of sex pheromone biosynthesis in moths remain elusive. In the present study, Helicoverpa armigera was employed as a model to investigate the role of octopamine (OA) in the inhibition of sex pheromone biosynthesis. Results demonstrated that the release of sex pheromones decreased with an increase in OA titres in older female moths. Moreover, OA treatment led to a significant decrease in sex pheromone production, female capability to attract male counterparts and subsequent female acceptance, indicating its inhibitory role in sex pheromone release. Subsequent qPCR and RNAi analyses revealed that OctβR was a key receptor of OA that regulated sex pheromone biosynthesis. In addition, the OA/OctβR signal suppressed intracellular Ca2+ levels and attenuated PBAN-mediated increase in the enzyme activities of calcineurin and acetyl-CoA carboxylase as demonstrated by OA treatment and OctβR-RNAi. Altogether, these results revealed a mechanism underlying the inhibition of sex pheromone production by OA via suppression of PBAN signalling in moths.
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Affiliation(s)
- Yue Yang
- State key Laboratory of Wheat and Maize Crop Science/Henan International Laboratory for Green Pest Control/College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Xingyu Ma
- State key Laboratory of Wheat and Maize Crop Science/Henan International Laboratory for Green Pest Control/College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Long Zhang
- Agricultural and Rural Bureau of Xincai, Zhumadian, China
| | - Wenli Zhao
- State key Laboratory of Wheat and Maize Crop Science/Henan International Laboratory for Green Pest Control/College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Xiaoguang Liu
- State key Laboratory of Wheat and Maize Crop Science/Henan International Laboratory for Green Pest Control/College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Xiang Li
- State key Laboratory of Wheat and Maize Crop Science/Henan International Laboratory for Green Pest Control/College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Mengfang Du
- State key Laboratory of Wheat and Maize Crop Science/Henan International Laboratory for Green Pest Control/College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Shiheng An
- State key Laboratory of Wheat and Maize Crop Science/Henan International Laboratory for Green Pest Control/College of Plant Protection, Henan Agricultural University, Zhengzhou, China
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