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Abbas MN, Kausar S, Asma B, Ran W, Li J, Lin Z, Li T, Cui H. MicroRNAs reshape the immunity of insects in response to bacterial infection. Front Immunol 2023; 14:1176966. [PMID: 37153604 PMCID: PMC10161253 DOI: 10.3389/fimmu.2023.1176966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 04/05/2023] [Indexed: 05/09/2023] Open
Abstract
The interaction between bacteria and insects can significantly impact a wide range of different areas because bacteria and insects are widely distributed around the globe. The bacterial-insect interactions have the potential to directly affect human health since insects are vectors for disease transmission, and their interactions can also have economic consequences. In addition, they have been linked to high mortality rates in economically important insects, resulting in substantial economic losses. MicroRNAs (miRNAs) are types of non-coding RNAs involved in regulating gene expression post-transcriptionally. The length of miRNAs ranges from 19 to 22 nucleotides. MiRNAs, in addition to their ability to exhibit dynamic expression patterns, have a diverse range of targets. This enables them to govern various physiological activities in insects, like innate immune responses. Increasing evidence suggests that miRNAs have a crucial biological role in bacterial infection by influencing immune responses and other mechanisms for resistance. This review focuses on some of the most recent and exciting discoveries made in recent years, including the correlation between the dysregulation of miRNA expression in the context of bacterial infection and the progression of the infection. Furthermore, it describes how they profoundly impact the immune responses of the host by targeting the Toll, IMD, and JNK signaling pathways. It also emphasizes the biological function of miRNAs in regulating immune responses in insects. Finally, it also discusses current knowledge gaps about the function of miRNAs in insect immunity, in addition to areas that require more research in the future.
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Affiliation(s)
- Muhammad Nadeem Abbas
- State Key Laboratory of Resource Insects, Southwest University, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
| | - Saima Kausar
- State Key Laboratory of Resource Insects, Southwest University, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
| | - Bibi Asma
- State Key Laboratory of Resource Insects, Southwest University, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
| | - Wenhao Ran
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
- Gastrointestinal Vascular Surgery, The Chongqing Ninth People’s Hospital, Chongqing, China
| | - Jingui Li
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
- Gastrointestinal Vascular Surgery, The Chongqing Ninth People’s Hospital, Chongqing, China
| | - Zini Lin
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
- Gastrointestinal Vascular Surgery, The Chongqing Ninth People’s Hospital, Chongqing, China
| | - Tiejun Li
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
- Gastrointestinal Vascular Surgery, The Chongqing Ninth People’s Hospital, Chongqing, China
- *Correspondence: Tiejun Li, ; Hongjuan Cui,
| | - Hongjuan Cui
- State Key Laboratory of Resource Insects, Southwest University, Chongqing, China
- Cancer Center, Medical Research Institute, Southwest University, Chongqing, China
- Jinfeng Laboratory, Chongqing, China
- *Correspondence: Tiejun Li, ; Hongjuan Cui,
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Gimenez S, Seninet I, Orsucci M, Audiot P, Nègre N, Nam K, Streiff R, d'Alençon E. Integrated miRNA and transcriptome profiling to explore the molecular determinism of convergent adaptation to corn in two lepidopteran pests of agriculture. BMC Genomics 2021; 22:606. [PMID: 34372780 PMCID: PMC8351448 DOI: 10.1186/s12864-021-07905-7] [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: 01/15/2021] [Accepted: 07/22/2021] [Indexed: 11/11/2022] Open
Abstract
Background The degree to which adaptation to same environment is determined by similar molecular mechanisms, is a topic of broad interest in evolutionary biology, as an indicator of evolutionary predictability. We wished to address if adaptation to the same host plant in phytophagous insects involved related gene expression patterns. We compared sRNA-Seq and RNA-Seq data between two pairs of taxa of Ostrinia and Spodoptera frugiperda sharing maize as host-plant. For the latter, we had previously carried out a reciprocal transplant experiment by feeding of the larvae of the Corn strain (Sf-C) and the Rice strain (Sf-R) on corn versus rice and characterized the mRNA and miRNA responses. Results First, we predicted the genes encoding miRNA in Ostrinia nubilalis (On) and O. scapulalis (Os). Respectively 67 and 65 known miRNA genes, as well as 196 and 190 novel ones were predicted with Os genome using sncRNAs extracted from whole larvae feeding on corn or mugwort. In On, a read counts analysis showed that 37 (55.22%) known miRNAs and 19 (9.84%) novel miRNAs were differentially expressed (DE) on mugwort compared to corn (in Os, 25 known miRs (38.46%) and 8 novel ones (4.34%)). Between species on corn, 8 (12.5%) known miRNAs and 8 (6.83%) novel ones were DE while only one novel miRNA showed expression variation between species on mugwort. Gene target prediction led to the identification of 2953 unique target genes in On and 2719 in Os, among which 11.6% (344) were DE when comparing species on corn. 1.8% (54) of On miR targets showed expression variation upon a change of host-plant. We found molecular changes matching convergent phenotype, i.e., a set of nine miRNAs that are regulated either according to the host-plant both in On and Sf-C or between them on the same plant, corn. Among DE miR target genes between taxa, 13.7% shared exactly the same annotation between the two pairs of taxa and had function related to insect host-plant interaction. Conclusion There is some similarity in underlying genetic mechanisms of convergent evolution of two distant Lepidopteran species having adopted corn in their host range, highlighting possible adaptation genes. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07905-7.
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Affiliation(s)
| | | | - Marion Orsucci
- DGIMI, Univ Montpellier, INRAE, Montpellier, France.,CBGP, INRAE, CIRAD, IRD, Montpellier SupAgro, Univ Montpellier, Montpellier, France.,Department of Plant Biology, Uppsala BioCenter and Linnean Centre for Plant Biology, Swedish University of Agricultural Sciences, 75007, Uppsala, Sweden
| | - Philippe Audiot
- CBGP, INRAE, CIRAD, IRD, Montpellier SupAgro, Univ Montpellier, Montpellier, France
| | | | - Kiwoong Nam
- DGIMI, Univ Montpellier, INRAE, Montpellier, France
| | - Réjane Streiff
- CBGP, INRAE, CIRAD, IRD, Montpellier SupAgro, Univ Montpellier, Montpellier, France
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Yang X, Fishilevich E, German MA, Gandra P, McEwan RE, Billion A, Knorr E, Vilcinskas A, Narva KE. Elucidation of the microRNA Transcriptome in Western Corn Rootworm Reveals Its Dynamic and Evolutionary Complexity. GENOMICS PROTEOMICS & BIOINFORMATICS 2021; 19:800-814. [PMID: 33607298 PMCID: PMC9170749 DOI: 10.1016/j.gpb.2019.03.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 11/21/2018] [Accepted: 03/28/2019] [Indexed: 11/25/2022]
Abstract
Diabrotica virgifera virgifera (western corn rootworm, WCR) is one of the most destructive agricultural insect pests in North America. It is highly adaptive to environmental stimuli and crop protection technologies. However, little is known about the underlying genetic basis of WCR behavior and adaptation. More specifically, the involvement of small RNAs (sRNAs), especially microRNAs (miRNAs), a class of endogenous small non-coding RNAs that regulate various biological processes, has not been examined, and the datasets of putative sRNA sequences have not previously been generated for WCR. To achieve a comprehensive collection of sRNA transcriptomes in WCR, we constructed, sequenced, and analyzed sRNA libraries from different life stages of WCR and northern corn rootworm (NCR), and identified 101 conserved precursor miRNAs (pre-miRNAs) in WCR and other Arthropoda. We also identified 277 corn rootworm specific pre-miRNAs. Systematic analyses of sRNA populations in WCR revealed that its sRNA transcriptome, which includes PIWI-interacting RNAs (piRNAs) and miRNAs, undergoes a dynamic change throughout insect development. Phylogenetic analysis of miRNA datasets from model species reveals that a large pool of species-specific miRNAs exists in corn rootworm; these are potentially evolutionarily transient. Comparisons of WCR miRNA clusters to other insect species highlight conserved miRNA-regulated processes that are common to insects. Parallel Analysis of RNA Ends (PARE) also uncovered potential miRNA-guided cleavage sites in WCR. Overall, this study provides a new resource for studying the sRNA transcriptome and miRNA-mediated gene regulation in WCR and other Coleopteran insects.
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Affiliation(s)
- Xiaozeng Yang
- Beijing Agro-biotechnology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China; Corteva Agriscience™, Agriculture Division of DowDuPont™, Indiana, 46268, United States.
| | - Elane Fishilevich
- Corteva Agriscience™, Agriculture Division of DowDuPont™, Indiana, 46268, United States; University of Nebraska-Lincoln, Department of Entomology, Nebraska, 68583, United States
| | - Marcelo A German
- Corteva Agriscience™, Agriculture Division of DowDuPont™, Indiana, 46268, United States
| | - Premchand Gandra
- Corteva Agriscience™, Agriculture Division of DowDuPont™, Indiana, 46268, United States
| | - Robert E McEwan
- Corteva Agriscience™, Agriculture Division of DowDuPont™, Indiana, 46268, United States
| | - André Billion
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Department of Bioresources, Giessen, 35394, Germany
| | - Eileen Knorr
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Department of Bioresources, Giessen, 35394, Germany
| | - Andreas Vilcinskas
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Department of Bioresources, Giessen, 35394, Germany
| | - Kenneth E Narva
- Corteva Agriscience™, Agriculture Division of DowDuPont™, Indiana, 46268, United States.
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Cooper AM, Song H, Yu Z, Biondi M, Bai J, Shi X, Ren Z, Weerasekara SM, Hua DH, Silver K, Zhang J, Zhu KY. Comparison of strategies for enhancing RNA interference efficiency in Ostrinia nubilalis. PEST MANAGEMENT SCIENCE 2021; 77:635-645. [PMID: 33002336 PMCID: PMC7855606 DOI: 10.1002/ps.6114] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/13/2020] [Accepted: 10/01/2020] [Indexed: 05/15/2023]
Abstract
BACKGROUND Targeting insect-specific genes through post-transcriptional gene silencing with RNA interference (RNAi) is a new strategy for insect pest management. However, lepidopterans are recalcitrant to RNAi, which prevents application of novel RNAi technology to many notorious pests, including Ostrinia nubilalis (ECB). Strategies for enhancing RNAi efficiency, including large doses of double-stranded RNA (dsRNA), nuclease inhibitors, transfection reagents, and nanoparticles, have proved useful in other insects exhibiting substantial dsRNA degradation, a major mechanism limiting RNAi efficacy. To determine if similar strategies can enhance RNAi efficiency in ECB, various reagents were tested for their ability to enhance dsRNA stability in ECB tissues, then compared for their effectiveness in whole ECB. RESULTS Ex vivo incubation experiments revealed that Meta dsRNA lipoplexes, EDTA, chitosan-based dsRNA nanoparticles, and Zn2+ enhanced dsRNA stability in ECB hemolymph and gut content extracts, compared with uncoated dsRNA. Despite these positive results, the reagents used in this study were ineffective at enhancing RNAi efficiency in ECB in vivo. To reduce assay time and required dsRNA, midguts were dissected and incubated in tissue culture medium containing dsRNA with and without reagents. These experiments showed that RNAi efficiency varied between target genes, and nuclease inhibitors improved RNAi efficiency for only a portion of the refractory target genes investigated ex vivo. CONCLUSION These results indicate that enhancing dsRNA stability is insufficient to improve RNAi efficiency in ECB and suggests the existence of additional, complex mechanisms contributing to low RNAi efficiency in ECB.
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Affiliation(s)
- Anastasia M.W. Cooper
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
| | - Huifang Song
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
- Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, 030006, China
| | - Zhitao Yu
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
| | - Marie Biondi
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
| | - Jun Bai
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
- School of Life Science, South China Normal University, Guangzhou, Guangdong, 510631, China
| | - Xuekai Shi
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
- Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, 030006, China
| | - Zhaoyang Ren
- Department of Chemistry, 213 CBC Building, Kansas State University, Manhattan, KS 66506, USA
| | - Sahani M. Weerasekara
- Department of Chemistry, 213 CBC Building, Kansas State University, Manhattan, KS 66506, USA
| | - Duy H. Hua
- Department of Chemistry, 213 CBC Building, Kansas State University, Manhattan, KS 66506, USA
| | - Kristopher Silver
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
| | - Jianzhen Zhang
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
- Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, 030006, China
| | - Kun Yan Zhu
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
- Author for correspondence: (K.Y. Zhu)
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Cooper AMW, Song H, Shi X, Yu Z, Lorenzen M, Silver K, Zhang J, Zhu KY. Characterization, expression patterns, and transcriptional responses of three core RNA interference pathway genes from Ostrinia nubilalis. JOURNAL OF INSECT PHYSIOLOGY 2021; 129:104181. [PMID: 33359365 DOI: 10.1016/j.jinsphys.2020.104181] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 12/17/2020] [Accepted: 12/22/2020] [Indexed: 06/12/2023]
Abstract
RNA interference (RNAi) is commonly used in the laboratory to analyze gene function, and RNAi-based pest management strategies are now being employed. Unfortunately, RNAi is hindered by inefficient and highly-variable results when different insects are targeted, especially lepidopterans, such as the European corn borer (ECB), Ostrinia nubilalis (Lepidoptera: Crambidae). Previous efforts to achieve RNAi-mediated gene suppression in ECB revealed low RNAi efficiency with both double-stranded RNA (dsRNA) injection and ingestion. One mechanism that can affect RNAi efficiency in insects is the expression and function of core RNAi pathway genes, such as those encoding Argonaut 2 (Ago2), Dicer 2 (Dcr2), and a dsRNA binding protein (R2D2). To determine if deficiencies in these core RNAi pathway genes contribute to low RNAi efficiency in ECB, full-length complementary DNAs encoding OnAgo2, OnDcr2, and OnR2D2 were cloned, sequenced, and characterized. A comparison of domain architecture suggested that all three predicted proteins contained the necessary domains to function. However, a comparison of evolutionary distances revealed potentially important variations in the first RNase III domain of OnDcr2, the double-stranded RNA binding domains of OnR2D2, and both the PAZ and PIWI domains of OnAgo2, which may indicate functional differences in enzymatic activity between species. Expression analysis indicated that transcripts for all three genes were expressed in all developmental stages and tissues investigated. Interestingly, the introduction of non-target dsRNA into ECB second-instar larvae via microinjection did not affect OnAgo2, OnDcr2, or OnR2D2 expression. In contrast, ingestion of the same dsRNAs resulted in upregulation of OnDcr2 but downregulation of OnR2D2. The unexpected transcriptional responses of the core machinery and the divergence in amino-acid sequence between specific domains in each core RNAi protein may possibly contribute to low RNAi efficiency in ECB. Understanding the contributions of different RNAi pathway components is critical to adapting this technology for use in controlling lepidopteran pests that exhibit low RNAi efficiency.
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Affiliation(s)
- Anastasia M W Cooper
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA.
| | - Huifang Song
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Xuekai Shi
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Zhitao Yu
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
| | - Marcé Lorenzen
- Department of Entomology and Plant Pathology, Campus Box 7613, North Carolina State University, Raleigh, NC 27695, USA
| | - Kristopher Silver
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA
| | - Jianzhen Zhang
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi 030006, China
| | - Kun Yan Zhu
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA.
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Cooper AMW, Song H, Shi X, Yu Z, Lorenzen M, Silver K, Zhang J, Zhu KY. Molecular Characterizations of Double-Stranded RNA Degrading Nuclease Genes from Ostrinia nubilalis. INSECTS 2020; 11:insects11100652. [PMID: 32977554 PMCID: PMC7598268 DOI: 10.3390/insects11100652] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 09/18/2020] [Accepted: 09/21/2020] [Indexed: 12/16/2022]
Abstract
Simple Summary RNA interference is a gene suppression tool that uses double-stranded RNA to prevent specific genes from producing proteins. By targeting essential genes RNA interference can be developed for control of insect pests. Unfortunately, RNA interference is not equally effective for all insects. Previous investigation suggested that RNA is rapidly digested by unidentified components of body fluids in the European corn borer caterpillar. We characterized genes encoding proteins from European corn borer that are associated with RNA digestion in other insects. Our results suggest that two proteins (RNA interference efficiency-related nuclease and double-stranded RNA-degrading endonuclease 2) may be responsible for digesting RNAs in the European corn borer gut, whereas two other proteins (double-stranded RNA-degrading endonuclease 1 and double-stranded RNA-degrading endonuclease 4) may be responsible for digesting RNA in European corn borer body fluid. These findings suggest digestion of RNA in the European corn borer is likely due to the activity of these proteins. These findings provide information about the mechanism(s) influencing RNA stability in insects. The knowledge generated by this study will facilitate the development of strategies for enhancing RNA interference in insects. Abstract Variable RNA interference (RNAi) efficiencies limit RNAi-based pest management strategies for many pests. Previous efforts to understand mechanisms contributing to low RNAi efficiency indicate that double-stranded RNA (dsRNA) is degraded in the European corn borer (ECB), Ostrinia nubilalis, due to nuclease activity. To investigate the contribution of dsRNA-degrading endonucleases (dsRNases) and lepidopteran-specific RNAi efficiency-related nucleases (REases) to dsRNA instability and low RNAi efficiency in ECB, five complementary DNAs putatively encoding four dsRNases (OndsRNase1, 2, 3, and 4) and one REase (OnREase) were sequenced. Characterization of these transcripts revealed that substrate specificity might vary among the four dsRNases due to different amino acid combinations in the substrate-binding sites. Gene expression analysis indicated that OndsRNase2 and OnREase were highly expressed in the larval gut, and OndsRNase1 showed the highest expression in hemolymph, especially in older developmental stages. Transcript level analysis after dsRNA exposure revealed that expression of OnREase rapidly increased upon dsRNA ingestion or injection, whereas OndsRNase4 expression only increased after long-term ingestion of dsRNA. While the biological function of these nucleases remains to be verified, our results suggest that OnREase and OndsRNase2, and OndsRNase1 and OndsRNase4 may be responsible for degradation of dsRNAs in the ECB gut and hemolymph, respectively, thereby contributing to low RNAi efficiency.
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Affiliation(s)
- Anastasia M. W. Cooper
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; (H.S.); (X.S.); (Z.Y.); (K.S.); (J.Z.)
- Correspondence: (A.M.W.C.); (K.Y.Z.)
| | - Huifang Song
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; (H.S.); (X.S.); (Z.Y.); (K.S.); (J.Z.)
- Institute of Applied Biology, Shanxi University, Taiyuan 030006, China
| | - Xuekai Shi
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; (H.S.); (X.S.); (Z.Y.); (K.S.); (J.Z.)
- Institute of Applied Biology, Shanxi University, Taiyuan 030006, China
| | - Zhitao Yu
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; (H.S.); (X.S.); (Z.Y.); (K.S.); (J.Z.)
| | - Marcé Lorenzen
- Department of Entomology and Plant Pathology, Campus Box 7613, North Carolina State University, Raleigh, NC 27695, USA;
| | - Kristopher Silver
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; (H.S.); (X.S.); (Z.Y.); (K.S.); (J.Z.)
| | - Jianzhen Zhang
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; (H.S.); (X.S.); (Z.Y.); (K.S.); (J.Z.)
- Institute of Applied Biology, Shanxi University, Taiyuan 030006, China
| | - Kun Yan Zhu
- Department of Entomology, 123 Waters Hall, Kansas State University, Manhattan, KS 66506, USA; (H.S.); (X.S.); (Z.Y.); (K.S.); (J.Z.)
- Correspondence: (A.M.W.C.); (K.Y.Z.)
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Fabrick JA, Mathew LG, LeRoy DM, Hull JJ, Unnithan GC, Yelich AJ, Carrière Y, Li X, Tabashnik BE. Reduced cadherin expression associated with resistance to Bt toxin Cry1Ac in pink bollworm. PEST MANAGEMENT SCIENCE 2020; 76:67-74. [PMID: 31140680 DOI: 10.1002/ps.5496] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 05/18/2019] [Accepted: 05/21/2019] [Indexed: 05/29/2023]
Abstract
BACKGROUND Better understanding of the molecular basis of resistance is needed to improve management of pest resistance to transgenic crops that produce insecticidal proteins from Bacillus thuringiensis (Bt). Here we analyzed resistance of the pink bollworm (Pectinophora gossypiella) to Bt toxin Cry1Ac, which is used widely in transgenic Bt cotton. Field-evolved practical resistance of pink bollworm to Cry1Ac is widespread in India, but not in China or the United States. Previous work with laboratory- and field-selected pink bollworm indicated that resistance to Cry1Ac is caused by changes in the amino acid sequence of a midgut cadherin protein (PgCad1) that binds Cry1Ac in susceptible larvae. RESULTS Relative to a susceptible strain, the laboratory-selected APHIS-R strain had 530-fold resistance to Cry1Ac with autosomal recessive inheritance. Unlike previous results, resistance in this strain was not consistently associated with insertions or deletions in the expected amino acid sequence of PgCad1. However, this resistance was associated with 79- to 190-fold reduced transcription of the PgCad1 gene and markedly lower abundance of PgCad1 protein. CONCLUSION The ability of pink bollworm and other major pests to evolve resistance to Bt toxins via both qualitative and quantitative changes in receptor proteins demonstrates their remarkable adaptability and presents challenges for monitoring and managing resistance to Bt crops. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Jeffrey A Fabrick
- U.S. Department of Agriculture (USDA), Agricultural Research Service (ARS), U.S. Arid Land Agricultural Research Center, Maricopa, AZ, USA
| | - Lolita G Mathew
- U.S. Department of Agriculture (USDA), Agricultural Research Service (ARS), U.S. Arid Land Agricultural Research Center, Maricopa, AZ, USA
- Pairwise Plants, Research Triangle Park, NC, USA
| | - Dannialle M LeRoy
- U.S. Department of Agriculture (USDA), Agricultural Research Service (ARS), U.S. Arid Land Agricultural Research Center, Maricopa, AZ, USA
| | - J Joe Hull
- U.S. Department of Agriculture (USDA), Agricultural Research Service (ARS), U.S. Arid Land Agricultural Research Center, Maricopa, AZ, USA
| | | | - Alex J Yelich
- Department of Entomology, University of Arizona, Tucson, AZ, USA
| | - Yves Carrière
- Department of Entomology, University of Arizona, Tucson, AZ, USA
| | - Xianchun Li
- Department of Entomology, University of Arizona, Tucson, AZ, USA
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Ražná K, Cagáň Ľ. The Role of MicroRNAs in Genome Response to Plant-Lepidoptera Interaction. PLANTS (BASEL, SWITZERLAND) 2019; 8:E529. [PMID: 31757090 PMCID: PMC6963388 DOI: 10.3390/plants8120529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/15/2019] [Accepted: 11/16/2019] [Indexed: 02/06/2023]
Abstract
RNA interference is a known phenomenon of plant immune responses, involving the regulation of gene expression. The key components triggering the silencing of targeted sequences are double-stranded RNA molecules. The regulation of host-pathogen interactions is controlled by miRNA molecules, which regulate the expression of host resistance genes or the genes of the pathogen. The review focused on basic principles of RNA interference as a gene-silencing-based defense mechanism and the role of miRNA molecules in insect genomes. RNA interference as a tool for plant protection management is discussed. The review summarizes current miRNA-based biotechnology approaches for plant protection management.
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Affiliation(s)
- Katarína Ražná
- Department of Genetics and Plant Breeding, Slovak University of Agriculture, 94976 Nitra, Slovakia
| | - Ľudovít Cagáň
- Department of Plant Protection; Slovak University of Agriculture, 94976 Nitra, Slovakia;
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Qiao J, Du Y, Yu J, Guo J. MicroRNAs as Potential Biomarkers of Insecticide Exposure: A Review. Chem Res Toxicol 2019; 32:2169-2181. [PMID: 31625722 DOI: 10.1021/acs.chemrestox.9b00236] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Insecticides are key weapons for the control of pests. Large scale use of insecticides is harmful to the ecosystem, which is made up of a wide range of species and environments. MicroRNAs (miRNAs) are a class of endogenous single-stranded noncoding small RNAs in length of 20-24 nucleotides (nt), which extensively regulate expression of genes at transcriptional and post-transcriptional levels. The current research on miRNA-induced insecticide resistance reveals that dysregulated miRNAs cause significant changes in detoxification genes, particularly cytochrome P450s. Meanwhile, insecticide-induced changes in miRNAs are related to the decline of honeybees and threatened the development of zebrafish and other animals. Additionally, miRNAs are involved in insecticide-induced cytotoxicity, and dysregulated miRNAs are associated with human occupational and environmental exposure to insecticides. Therefore, miRNAs are valuable novel biomarkers of insecticide exposure, and they are potential factors to explain the toxicological effects of insecticides.
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Affiliation(s)
- Jiakai Qiao
- College of Life Sciences and Medicine , Zhejiang Sci-Tech University , Hangzhou , Zhejiang 310018 , China
| | - Yuting Du
- College of Life Sciences and Medicine , Zhejiang Sci-Tech University , Hangzhou , Zhejiang 310018 , China
| | - Junjie Yu
- College of Life Sciences and Medicine , Zhejiang Sci-Tech University , Hangzhou , Zhejiang 310018 , China
| | - Jiangfeng Guo
- College of Life Sciences and Medicine , Zhejiang Sci-Tech University , Hangzhou , Zhejiang 310018 , China
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Dhania NK, Chauhan VK, Chaitanya R, Dutta-Gupta A. Midgut de novo transcriptome analysis and gene expression profiling of Achaea janata larvae exposed with Bacillus thuringiensis (Bt)-based biopesticide formulation. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2019; 30:81-90. [DOI: 10.1016/j.cbd.2019.02.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/19/2018] [Accepted: 02/14/2019] [Indexed: 11/24/2022]
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Li C, Wong AYP, Wang S, Jia Q, Chuang WP, Bendena WG, Tobe SS, Yang SH, Chung G, Chan TF, Lam HM, Bede JC, Hui JHL. miRNA-Mediated Interactions in and between Plants and Insects. Int J Mol Sci 2018; 19:E3239. [PMID: 30347694 PMCID: PMC6213987 DOI: 10.3390/ijms19103239] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 10/12/2018] [Accepted: 10/15/2018] [Indexed: 01/17/2023] Open
Abstract
Our understanding of microRNA (miRNA) regulation of gene expression and protein translation, as a critical area of cellular regulation, has blossomed in the last two decades. Recently, it has become apparent that in plant-insect interactions, both plants and insects use miRNAs to regulate their biological processes, as well as co-opting each others' miRNA systems. In this review article, we discuss the current paradigms of miRNA-mediated cellular regulation and provide examples of plant-insect interactions that utilize this regulation. Lastly, we discuss the potential biotechnological applications of utilizing miRNAs in agriculture.
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Affiliation(s)
- Chade Li
- State Key Laboratory of Agrobiotechnology, Centre of Soybean Research, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Annette Y P Wong
- State Key Laboratory of Agrobiotechnology, Centre of Soybean Research, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Shuang Wang
- Key Laboratory of Soil Environment and Plant Nutrition of Heilongjiang Province, Institute of Soil Fertilizer and Environment Resources, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China.
| | - Qi Jia
- Key Laboratory for Genetics Breeding and Multiple Utilization of Crops, Ministry of Education/College of Crop Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Wen-Po Chuang
- Department of Agronomy, National Taiwan University, Taipei 10617, Taiwan.
| | - William G Bendena
- Department of Biology, Queen's University, Kingston, ON K7L 3N6, Canada.
| | - Stephen S Tobe
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON M5S 3G5, Canada.
| | - Seung Hwan Yang
- Department of Biotechnology, Chonnam National University, Yeosu 59626, Korea.
| | - Gyuhwa Chung
- Department of Biotechnology, Chonnam National University, Yeosu 59626, Korea.
| | - Ting-Fung Chan
- State Key Laboratory of Agrobiotechnology, Centre of Soybean Research, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Hon-Ming Lam
- State Key Laboratory of Agrobiotechnology, Centre of Soybean Research, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Jacqueline C Bede
- Department of Plant Science, McGill University, 21,111 Lakeshore, Ste-Anne-de-Bellevue, Montreal, QC H9X 3V9, Canada.
| | - Jerome H L Hui
- State Key Laboratory of Agrobiotechnology, Centre of Soybean Research, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
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