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Mahalle RM, Sun W, Posos-Parra OA, Jung S, Mota-Sanchez D, Pittendrigh BR, Seong KM. Identification of differentially expressed miRNAs associated with diamide detoxification pathways in Spodoptera frugiperda. Sci Rep 2024; 14:4308. [PMID: 38383681 PMCID: PMC10881993 DOI: 10.1038/s41598-024-54771-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 02/16/2024] [Indexed: 02/23/2024] Open
Abstract
The fall armyworm (FAW) Spodoptera frugiperda is a severe economic pest of multiple crops globally. Control of this pest is often achieved using insecticides; however, over time, S. frugiperda has developed resistance to new mode of action compounds, including diamides. Previous studies have indicated diamide resistance is a complex developmental process involving multiple detoxification genes. Still, the mechanism underlying the possible involvement of microRNAs in post-transcriptional regulation of resistance has not yet been elucidated. In this study, a global screen of microRNAs (miRNAs) revealed 109 known and 63 novel miRNAs. Nine miRNAs (four known and five novel) were differentially expressed between insecticide-resistant and -susceptible strains. Gene Ontology analysis predicted putative target transcripts of the differentially expressed miRNAs encoding significant genes belonging to detoxification pathways. Additionally, miRNAs are involved in response to diamide exposure, indicating they are probably associated with the detoxification pathway. Thus, this study provides comprehensive evidence for the link between repressed miRNA expression and induced target transcripts that possibly mediate diamide resistance through post-transcriptional regulation. These findings highlight important clues for further research to unravel the roles and mechanisms of miRNAs in conferring diamide resistance.
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Affiliation(s)
- Rashmi Manohar Mahalle
- Institute of Agricultural Sciences, Chungnam National University, Daejeon, Republic of Korea
| | - Weilin Sun
- Department of Entomology, Center for Urban and Industrial Pest Management, Purdue University, West Lafayette, IN, USA
| | - Omar A Posos-Parra
- Department of Entomology, Michigan State University, East Lansing, MI, USA
| | - Sunghoon Jung
- Department of Smart Agriculture Systems, Chungnam National University, Daejeon, Republic of Korea
- Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, Republic of Korea
| | - David Mota-Sanchez
- Department of Entomology, Michigan State University, East Lansing, MI, USA
| | - Barry R Pittendrigh
- Department of Entomology, Center for Urban and Industrial Pest Management, Purdue University, West Lafayette, IN, USA
| | - Keon Mook Seong
- Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, Republic of Korea.
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2
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Zhang Y, Sun Y, Hu Y, Zheng S, Shao H, Lin L, Pan Y, Li C. Porphyromonas gingivalis msRNA P.G_45033 induces amyloid-β production by enhancing glycolysis and histone lactylation in macrophages. Int Immunopharmacol 2023; 121:110468. [PMID: 37320870 DOI: 10.1016/j.intimp.2023.110468] [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: 03/10/2023] [Revised: 05/24/2023] [Accepted: 06/06/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND High expression of amyloid-β (Aβ) in periodontal tissue could contribute to exacerbating the development of both periodontitis and Alzheimer's disease (AD). Porphyromonas gingivalis (P. gingivalis) as a periodontal pathogen expresses msRNAs, which can regulate gene transcription in host cells. OBJECTIVE The aim of this study is to reveal the mechanism of msRNA P.G_45033, a high copy msRNA in P. gingivalis, inducing Aβ expression in macrophages, and provide a new insight to explain the development of periodontitis, and also to explain the role of periodontal infection on AD. METHODS The levels of glucose consumption, pyruvate and lactate productions in macrophages after transfection with msRNA P.G_45033 were detected. Miranda, TargetScan, and RNAhybrid databases were used to predict the target gene of msRNA P.G_45033, and GO analysis was conducted to describe the functions of the overlapping ones. RT2 glucose-metabolism PCR Array was used to verify the relationship between msRNA P.G_45033 and the expression of genes related to glucose metabolism. The levels of histone Kla were detected using western blotting. The levels of Aβ in the macrophages and the culture medium were detected by immunofluorescence and ELISA, respectively. RESULTS The levels of glucose consumption, pyruvate and lactate productions were increased after transfection of msRNA P.G_45033 in macrophages. GO analysis revealed that target genes were enriched in the metabolic process. RT2 glucose-metabolism PCR Array showed the expression of genes associated with glycolysis. The results of western blotting showed that the level of histone Kla was increased in macrophages. The results of immunofluorescence and ELISA showed that Aβ levels in macrophages and culture medium were increased after transfection. CONCLUSION The present study revealed that msRNA P.G_45033 can induce Aβ production by enhancing glycolysis and histone Kla in macrophages.
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Affiliation(s)
- Yonghuan Zhang
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, China; Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, Liaoning, China
| | - Yangyang Sun
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, China; Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, Liaoning, China
| | - Ying Hu
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, China; Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, Liaoning, China
| | - Shaowen Zheng
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, China; Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, Liaoning, China
| | - Haigang Shao
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, China; Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, Liaoning, China
| | - Li Lin
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, China; Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, Liaoning, China
| | - Yaping Pan
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, China; Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, Liaoning, China.
| | - Chen Li
- Department of Periodontology, School and Hospital of Stomatology, China Medical University, Shenyang, Liaoning, China; Liaoning Provincial Key Laboratory of Oral Disease, Shenyang, Liaoning, China.
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Shu X, Yuan R, Zheng B, Wang Z, Ye X, Tang P, Chen X. Chromosome-level genome assembly of Microplitis manilae Ashmead, 1904 (Hymenoptera: Braconidae). Sci Data 2023; 10:266. [PMID: 37164995 PMCID: PMC10172384 DOI: 10.1038/s41597-023-02190-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 04/27/2023] [Indexed: 05/12/2023] Open
Abstract
Microplitis manilae Ashmead (Hymenoptera: Braconidae) is an important parasitoid of agricultural pests in lepidopteran species. So far, two extant genome assembles from the genus Microplitis are fragmented. Here, we offered a high-quality genome assembly of M. manilae at the chromosome level with high accuracy and contiguity, assembled by ONT long-read, MGI-SEQ short-read, and Hi-C sequencing methods. The final assembled genome size was 282.85 Mb, with 268.17 Mb assigned to 11 pseudochromosomes. The scaffold N50 length was 25.23 Mb, and the complete BUSCO score was 98.61%. The genome contained 152.37 Mb of repetitive elements, representing 53.87% of the total genome size. We predicted 15,689 protein-coding genes, of which 13,580 genes were annotated functionally. Gene family evolution investigations of M. manilae revealed 615 expanded and 635 contracted gene families. The high-quality genome of M. manilae reported in this paper will be a useful genomic resource for research on parasitoid wasps in the future.
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Affiliation(s)
- Xiaohan Shu
- Hainan Institute, Zhejiang University, Sanya, 572025, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
- State Key Lab of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, and Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Ruizhong Yuan
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
- State Key Lab of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, and Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Boying Zheng
- State Key Lab of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, and Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Zhizhi Wang
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
- State Key Lab of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, and Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Xiqian Ye
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
- State Key Lab of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, and Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
| | - Pu Tang
- Hainan Institute, Zhejiang University, Sanya, 572025, China.
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China.
- State Key Lab of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, and Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China.
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China.
| | - Xuexin Chen
- Hainan Institute, Zhejiang University, Sanya, 572025, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou, 510642, China
- State Key Lab of Rice Biology, Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insects, and Zhejiang Provincial Key Laboratory of Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou, 310058, China
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, 310058, China
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Kuo Y, Lu YH, Lin YH, Lin YC, Wu YL. Elevated temperature affects energy metabolism and behavior of bumblebees. INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY 2023; 155:103932. [PMID: 36921734 DOI: 10.1016/j.ibmb.2023.103932] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 03/09/2023] [Accepted: 03/11/2023] [Indexed: 05/10/2023]
Abstract
Bumblebees (Bombus eximius) are one of the most prominent pollinators in the agricultural industry because of their adaptation to temperate climates and pollination behavior (buzz pollination). Several studies have explained the need to increase conservation efforts for bumblebees due to climate change, but studies on the impact of climate change on pollination behavior of bumblebees have been limited. The present study investigated the effect of elevated temperatures on the survival and physiology of bumblebees. The behavioral changes in flight ability and pollen collection were also determined. We found that elevated temperature affects the survival rate and appetite of bumblebees. Gene expression analysis suggested that the energy metabolic pathway tends to involve anaerobic respiration during heat stress. The energy produced is mainly used to maintain essential physiological functions, such as expression of heat shock proteins and conversion of peroxides to harmless molecules. Energy distributed to flight muscles is reduced during heat stress, resulting in lower wing beating frequency. In addition, the flight path of bumblebees is shortened during heat stress, thereby further contributing to reduced pollen collection. These results demonstrate that elevated temperatures cause detrimental effects to bumblebees and can also potentially reduce crop production.
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Affiliation(s)
- Yun Kuo
- Department of Entomology, National Taiwan University, Taipei, 106, Taiwan
| | - Yun-Heng Lu
- Department of Entomology, National Taiwan University, Taipei, 106, Taiwan
| | - Yu-Hsien Lin
- Department of Plant Physiology, Swammerdam Institute for Life Sciences, University of Amsterdam, 1098 XH, Amsterdam, the Netherlands
| | - Yu-Chun Lin
- Department of Entomology, National Taiwan University, Taipei, 106, Taiwan
| | - Yueh-Lung Wu
- Department of Entomology, National Taiwan University, Taipei, 106, Taiwan.
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5
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Lin CY, Lin YH, Lin YC, Hsu CM, Wu YL, Huang RN. Enhancing the insecticidal potential of a baculovirus by overexpressing the mammalian β-galactosyl binding protein galectin-1. PEST MANAGEMENT SCIENCE 2023; 79:701-710. [PMID: 36250989 DOI: 10.1002/ps.7237] [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: 06/03/2022] [Revised: 10/13/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Bio-pesticide development is an important area of research in agriculture, in which viruses are an essential tool. Infection by entomological pathogenic viruses kills agricultural pests, and viral progenies are disseminated to infect more pests, eventually achieving long-term pest control in the field. Of the current virus-based pest control models, Autographa californica multiple nucleopolyhedrovirus (AcMNPV) is the most studied. AcMNPV belongs to the Baculoviridae family and can infect many lepidopterans. Although AcMNPV has been previously demonstrated to be a potential pest-control tool, its long virus infection cycle has made field applications challenging. To overcome this, we generated a recombinant baculovirus that can express mammalian galectin-1, which is a galactoside-binding protein that binds to the peritrophic matrix in the midgut of lepidopteran pests and induces perforation of the membrane. RESULTS Hosts infected with a recombinant virus that expressed mammalian galectin-1 exhibited reduced appetite and died sooner in both laboratory and small-scale field studies, suggesting that the overexpression of galectin-1 can more efficiently eliminate pest hosts. In addition to disrupting the integrity of the peritrophic matrix, the immune system of hosts infected with recombinant baculovirus carrying the galectin-1 gene was suppressed, making hosts more vulnerable to secondary infection. CONCLUSION Galectin-1 has been shown to affect immune responses in mammals, including humans, but to our knowledge, the effect of galectin-1 on insect immune systems had not been previously reported. Our results demonstrated that the pest-control potential of baculoviruses can be improved by using a recombinant baculovirus that overexpresses mammalian galectin-1 in hosts. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Chia-Yang Lin
- Department of Entomology, National Taiwan University, Taipei, Taiwan
| | - Yu-Hsien Lin
- Department of Plant Physiology, Swammerdam Institute for Life Sciences, University of Amsterdam, Amsterdam, The Netherlands
| | - Yu-Chun Lin
- Department of Entomology, National Taiwan University, Taipei, Taiwan
| | - Chun-Min Hsu
- Department of Entomology, National Taiwan University, Taipei, Taiwan
| | - Yueh-Lung Wu
- Department of Entomology, National Taiwan University, Taipei, Taiwan
- Master Program for Plant Medicine, National Taiwan University, Taipei, Taiwan
| | - Rong-Nan Huang
- Department of Entomology, National Taiwan University, Taipei, Taiwan
- Master Program for Plant Medicine, National Taiwan University, Taipei, Taiwan
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6
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Khashaveh A, An X, Shan S, Pang X, Li Y, Fu X, Zhang Y. The microRNAs in the antennae of Apolygus lucorum (Hemiptera: Miridae): Expression properties and targets prediction. Genomics 2022; 114:110447. [PMID: 35963492 DOI: 10.1016/j.ygeno.2022.110447] [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: 02/24/2022] [Revised: 07/25/2022] [Accepted: 08/07/2022] [Indexed: 11/04/2022]
Abstract
MicroRNAs (miRNAs) regulate gene expression and contribute to numerous physiological processes. However, little is known about the functions of miRNAs in insect chemosensation. In this study, nine small RNA libraries were constructed and sequenced from the antennae of nymphs, adult males, and adult females of Apolygus lucorum. In total, 399 (275 known and 124 novel) miRNAs were identified. miR-7-5p_1 was the most abundant miRNA. Altogether, 69,708 target genes related to biogenesis, membrane, and binding activities were predicted. In particular, 15 miRNAs targeted 16 olfactory genes. Comparing the antennae of nymphs and adult males and females, 94 miRNAs were differentially expressed. Alternatively, a subset of differentially expressed miRNAs was verified by qPCR, supporting the reliability of the sequencing results. This study provides a global miRNA transcriptome for the antennae of A. lucorum and valuable information for further investigations of the functions of miRNAs in the regulation of chemosensation.
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Affiliation(s)
- Adel Khashaveh
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xingkui An
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Shuang Shan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiaoqian Pang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; School of Resource and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China
| | - Yan Li
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; Anhui Provincial Key Laboratory of Molecular Enzymology and Mechanism of Major Diseases, College of Life Sciences, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Xiaowei Fu
- School of Resource and Environment, Henan Institute of Science and Technology, Xinxiang 453003, China
| | - Yongjun Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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Moure UAE, Tan T, Sha L, Lu X, Shao Z, Yang G, Wang Y, Cui H. Advances in the Immune Regulatory Role of Non-Coding RNAs (miRNAs and lncRNAs) in Insect-Pathogen Interactions. Front Immunol 2022; 13:856457. [PMID: 35464405 PMCID: PMC9020863 DOI: 10.3389/fimmu.2022.856457] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Accepted: 03/10/2022] [Indexed: 11/30/2022] Open
Abstract
Insects are by far the most abundant and diverse living organisms on earth and are frequently prone to microbial attacks. In other to counteract and overcome microbial invasions, insects have in an evolutionary way conserved and developed immune defense mechanisms such as Toll, immune deficiency (Imd), and JAK/STAT signaling pathways leading to the expression of antimicrobial peptides. These pathways have accessory immune effector mechanisms, such as phagocytosis, encapsulation, melanization, nodulation, RNA interference (RNAi), lysis, autophagy, and apoptosis. However, pathogens evolved strategies that circumvent host immune response following infections, which may have helped insects further sophisticate their immune response mechanisms. The involvement of ncRNAs in insect immunity is undeniable, and several excellent studies or reviews have investigated and described their roles in various insects. However, the functional analyses of ncRNAs in insects upon pathogen attacks are not exhaustive as novel ncRNAs are being increasingly discovered in those organisms. This article gives an overview of the main insect signaling pathways and effector mechanisms activated by pathogen invaders and summarizes the latest findings of the immune modulation role of both insect- and pathogen-encoded ncRNAs, especially miRNAs and lncRNAs during insect–pathogen crosstalk.
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Affiliation(s)
- Ulrich Aymard Ekomi Moure
- Affiliated Hospital of Southwest University, the Ninth People's Hospital of Chongqing, Chongqing, China.,Medical Research Institute, Southwest University, Chongqing, China
| | - Tingshan Tan
- Affiliated Hospital of Southwest University, the Ninth People's Hospital of Chongqing, Chongqing, China
| | - Lin Sha
- Affiliated Hospital of Southwest University, the Ninth People's Hospital of Chongqing, Chongqing, China
| | - Xiaoqin Lu
- Affiliated Hospital of Southwest University, the Ninth People's Hospital of Chongqing, Chongqing, China
| | - Zhi Shao
- Affiliated Hospital of Southwest University, the Ninth People's Hospital of Chongqing, Chongqing, China
| | - Guang Yang
- Affiliated Hospital of Southwest University, the Ninth People's Hospital of Chongqing, Chongqing, China
| | - Yi Wang
- Affiliated Hospital of Southwest University, the Ninth People's Hospital of Chongqing, Chongqing, China.,Department of Gastrointestinal Surgery, the Ninth People's Hospital of Chongqing, Chongqing, China
| | - Hongjuan Cui
- Medical Research Institute, Southwest University, Chongqing, China.,State Key Laboratory of Silkworm Genome Biology, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture, Southwest University, Chongqing, China
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8
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Wang ZZ, Ye XQ, Huang JH, Chen XX. Virus and endogenous viral element-derived small non-coding RNAs and their roles in insect-virus interaction. CURRENT OPINION IN INSECT SCIENCE 2022; 49:85-92. [PMID: 34974161 DOI: 10.1016/j.cois.2021.12.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 06/14/2023]
Abstract
RNA interference pathways mediated by different types of small non-coding RNAs (siRNAs, miRNAs and piRNAs) are conserved biological responses to exotic stresses, including viral infection. Aside from the well-established siRNA pathway, the miRNA pathway and the piRNA pathway process viral sequences, exogenously or endogenously, into miRNAs and piRNAs, respectively. During the host-virus interaction, viral sequences, including both coding and non-coding sequences, can be integrated as endogenous viral elements (EVEs) and thereby become present within the germline of a non-viral organism. In recent years, significant progress has been made in characterizing the biogenesis and function of viruses and EVEs associated with snRNAs. Overall, the siRNA pathway acts as the primarily antiviral defense against a wide range of exogenous viruses; the miRNA pathways associated with viruses or EVEs function in antiviral response and host gene regulation; EVE derived piRNAs with a ping-pong signature have the potential to limit cognate viral infection.
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Affiliation(s)
- Zhi-Zhi Wang
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Xi-Qian Ye
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Jian-Hua Huang
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, China
| | - Xue-Xin Chen
- Institute of Insect Sciences, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China; Ministry of Agriculture Key Lab of Molecular Biology of Crop Pathogens and Insect Pests, Zhejiang University, Hangzhou 310058, China; Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Zhejiang University, Hangzhou 310058, China; State Key Lab of Rice Biology, Zhejiang University, Hangzhou 310058, China.
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9
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Zhang Q, Dou W, Taning CNT, Smagghe G, Wang JJ. Regulatory roles of microRNAs in insect pests: prospective targets for insect pest control. Curr Opin Biotechnol 2021; 70:158-166. [PMID: 34090114 DOI: 10.1016/j.copbio.2021.05.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 04/28/2021] [Accepted: 05/06/2021] [Indexed: 01/23/2023]
Abstract
At the post-transcriptional level, microRNAs (miRNAs) play an important role in the regulation of gene expression, thereby influencing the outcome of many biological processes in insects, such as development, reproduction, metamorphosis, immunity, and insecticide resistance. The alteration of miRNA expression by mimic/agomir or inhibitor/antagomir via injection/feeding can lead to pest developmental abnormalities, death, or reduced pesticide resistance, indicating that miRNAs are potential targets for pest control. This review provides an overview of recent advances in understanding the regulatory roles of miRNA in agricultural and public health insect pest, and further highlights the potential of miRNAs as prospective targets in pest control.
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Affiliation(s)
- Qiang Zhang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China; International China-Belgium Joint Laboratory on Sustainable Crop Pest Control between Southwest University in China and Ghent University in Belgium, Chongqing 400715, China
| | - Wei Dou
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China; International China-Belgium Joint Laboratory on Sustainable Crop Pest Control between Southwest University in China and Ghent University in Belgium, Chongqing 400715, China
| | | | - Guy Smagghe
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China; International China-Belgium Joint Laboratory on Sustainable Crop Pest Control between Southwest University in China and Ghent University in Belgium, Chongqing 400715, China; Department of Plants and Crops, Ghent University, Ghent 9000, Belgium.
| | - Jin-Jun Wang
- Key Laboratory of Entomology and Pest Control Engineering, College of Plant Protection, Southwest University, Chongqing 400715, China; Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China; International China-Belgium Joint Laboratory on Sustainable Crop Pest Control between Southwest University in China and Ghent University in Belgium, Chongqing 400715, China.
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10
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Chen CX, He HJ, Cai QC, Zhang W, Kou TC, Zhang XW, You S, Chen YB, Liu T, Xiao W, Zhu QS, Luo KJ. Bracovirus-mediated innexin hemichannel closure in cell disassembly. iScience 2021; 24:102281. [PMID: 33817584 PMCID: PMC8008186 DOI: 10.1016/j.isci.2021.102281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/19/2021] [Accepted: 03/03/2021] [Indexed: 01/10/2023] Open
Abstract
Cell-cell communication is necessary for cellular immune response. Hemichannel closure disrupts communication between intracellular and extracellular environments during polydnavirus-induced immunosuppression in invertebrates. However, the effects of hemichannel closure on cellular immune response are unclear. Here, we examined apoptotic body formation triggered by hemichannel closure in hemocytes of Spodoptera litura infected with bracovirus from the parasitic wasp, Microplitis bicoloratus. We showed that Microplitis bicoloratus bracovirus (MbBV) induced apoptotic cell disassembly, accompanied by hemichannel closure. Hemocyte apoptotic body formation was caused by the dysregulation of the innexins (Inxs), Inx1, Inx2, Inx3, and Inx4, during the MbBV-mediated inhibition of pI3K/AKT signaling and activation of caspase-3, which cleaved gap junction Inx proteins. Our results showed that hemichannel opening or closure in response to various stimuli, which induces the modulation of Inx levels, could inhibit or activate apoptotic body formation, respectively. Therefore, the "hemichannel open and close" model may regulate the cellular immune response.
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Affiliation(s)
- Chang-Xu Chen
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
- Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming 650500, P.R. China
- Biocontrol Engineering Research Centre of Crop Disease & Pest in Yunnan Province, Kunming 650500, P. R. China
| | - Hao-Juan He
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
- Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming 650500, P.R. China
- Biocontrol Engineering Research Centre of Crop Disease & Pest in Yunnan Province, Kunming 650500, P. R. China
| | - Qiu-Chen Cai
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
- Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming 650500, P.R. China
- Biocontrol Engineering Research Centre of Crop Disease & Pest in Yunnan Province, Kunming 650500, P. R. China
| | - Wei Zhang
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
- Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming 650500, P.R. China
- Biocontrol Engineering Research Centre of Crop Disease & Pest in Yunnan Province, Kunming 650500, P. R. China
| | - Tian-Chao Kou
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
| | - Xue-Wen Zhang
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
| | - Shan You
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
| | - Ya-Bin Chen
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
| | - Tian Liu
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
- Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming 650500, P.R. China
- Biocontrol Engineering Research Centre of Crop Disease & Pest in Yunnan Province, Kunming 650500, P. R. China
| | - Wei Xiao
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
- Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming 650500, P.R. China
| | - Qi-Shun Zhu
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
- Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming 650500, P.R. China
| | - Kai-Jun Luo
- School of Life Sciences, Yunnan University, Kunming 650500, P.R. China
- Key Laboratory of the University in Yunnan Province for International Cooperation in Intercellular Communications and Regulations, Yunnan University, Kunming 650500, P.R. China
- Biocontrol Engineering Research Centre of Crop Disease & Pest in Yunnan Province, Kunming 650500, P. R. China
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