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Li B, Yang Z. Multilocus evidence provides insight into the demographic history and asymmetrical gene flow between Ostrinia furnacalis and Ostrinia nubilalis (Lepidoptera: Crambidae) in the Yili area, Xinjiang, China. Ecol Evol 2022; 12:e9504. [PMID: 36407909 PMCID: PMC9667411 DOI: 10.1002/ece3.9504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 10/10/2022] [Accepted: 10/25/2022] [Indexed: 11/18/2022] Open
Abstract
Tianshan Mountains provide a model for studying biological evolution and speciation. Here we assess the evolutionary history of Ostrinia furnacalis (ACB) and Ostrinia nubilalis (ECB), which are sympatric in the Yili River Valley in Xinjiang, China.Our study is based on the historical gene flow analyses of two species by using three mitochondrial DNA (mtDNA, COI, COII, Cytb) and four nuclear DNA (nuDNA, EF-1α, Wingless, RPS5, CAD) markers obtained from representatives of HC (Huocheng), YN (Yining), XY (Xinyuan), and MNS (Manasi).Our results reveal that there is an asymmetrical gene flow pattern between the four populations. The population migratory pathways between these different populations show inflow into HC and YN, outflow from XY, and that MNS maintained a flow balance. Bayesian divergence time dating based on the COI gene suggests that the genetic divergence between the two species in this area may have occurred in Holocene at 0.008 Mya. Neutrality tests (Tajima's D, Fu's F s), and mismatch distribution test results suggest that population expansion events may not have occurred in the recent past. The demographic history and gene flow pattern between ACB and ECB may follow the "mountain isolation" hypothesis. The ML and BI trees of the mtDNA haplotype dataset show that ECB haplotypes are grouped together in a distinct clade and are clearly separate from ACB haplotypes. However, the geographical pattern of haplotype distribution is less clear for both ACB and ECB, supporting that there has been frequent gene flow among the geographic populations in the Tianshan Mountains.These findings indicate that the Tianshan Mountains are less likely a barrier to gene flow of the two species.
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Affiliation(s)
- Bing Li
- College of Plant ProtectionNorthwest A&F UniversityYanglingChina
- Key Laboratory of Plant Protection Resources and Pest MangagementNorthwest A&F UniversityYanglingChina
| | - Zhaofu Yang
- College of Plant ProtectionNorthwest A&F UniversityYanglingChina
- Key Laboratory of Plant Protection Resources and Pest MangagementNorthwest A&F UniversityYanglingChina
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2
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Gao Q, Lin Y, Wang X, Jing D, Wang Z, He K, Bai S, Zhang Y, Zhang T. Knockout of ABC Transporter ABCG4 Gene Confers Resistance to Cry1 Proteins in Ostrinia furnacalis. Toxins (Basel) 2022; 14:toxins14010052. [PMID: 35051029 PMCID: PMC8780026 DOI: 10.3390/toxins14010052] [Citation(s) in RCA: 2] [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: 12/09/2021] [Revised: 01/07/2022] [Accepted: 01/08/2022] [Indexed: 12/16/2022] Open
Abstract
Ostrinia furnacalis is an important borer on maize. Long-term and large-scale planting of transgenic corn has led O. furnacalis evolving resistance and reducing the control effect. Recently, high levels of resistance to Bt Cry1 toxins have been reported to be genetically linked to the mutation or down-regulation of ABC transporter subfamily G gene ABCG4 in O. furnacalis. In order to further determine the relationship between ABCG4 gene and the resistance to Cry1 toxins in O. furnacalis, the novel CRISPR/Cas9 genome engineering system was utilized to successfully construct ABCG4-KO knockout homozygous strain. Bioassay results indicated that an ABCG4-KO strain had a higher resistance to Cry1 proteins compared with a susceptible strain (ACB-BtS). The result indicates that the ABCG4 gene may act as a receptor of the Bt Cry1 toxin in O. furnacalis. Furthermore, the development time was significantly changed in the early stage ABCG4-KO larvae, and the population parameters were also significantly changed. In summary, our CRISPR/Cas9-mediated genome editing study presents evidence that ABCG4 gene is a functional receptor for Bt Cry1 toxins, laying the foundation for further clarification of the Bt resistance mechanism.
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Affiliation(s)
- Qing Gao
- State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.G.); (Y.L.); (D.J.); (Z.W.); (K.H.); (S.B.); (Y.Z.)
- College of Agronomy and Biotechnology, Hebei Normal University of Science and Technology, Qinhuangdao 066000, China
| | - Yaling Lin
- State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.G.); (Y.L.); (D.J.); (Z.W.); (K.H.); (S.B.); (Y.Z.)
- College of Plant Protection, Gansu Agriculture University, Lanzhou 730070, China
| | - Xiuping Wang
- College of Agronomy and Biotechnology, Hebei Normal University of Science and Technology, Qinhuangdao 066000, China
- Correspondence: (X.W.); (T.Z.)
| | - Dapeng Jing
- State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.G.); (Y.L.); (D.J.); (Z.W.); (K.H.); (S.B.); (Y.Z.)
| | - Zhenying Wang
- State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.G.); (Y.L.); (D.J.); (Z.W.); (K.H.); (S.B.); (Y.Z.)
| | - Kanglai He
- State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.G.); (Y.L.); (D.J.); (Z.W.); (K.H.); (S.B.); (Y.Z.)
| | - Shuxiong Bai
- State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.G.); (Y.L.); (D.J.); (Z.W.); (K.H.); (S.B.); (Y.Z.)
| | - Yongjun Zhang
- State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.G.); (Y.L.); (D.J.); (Z.W.); (K.H.); (S.B.); (Y.Z.)
| | - Tiantao Zhang
- State Key Laboratory for the Biology of the Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Q.G.); (Y.L.); (D.J.); (Z.W.); (K.H.); (S.B.); (Y.Z.)
- Correspondence: (X.W.); (T.Z.)
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3
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Dong Z, Li C, Zhang Q, Li L, Lu Z, Ouyang F, Song Y, Yu Y, Men X. Landscape genetic analyses reveal host association of mitochondrial haplotypes in the Asian corn borer, Ostrinia furnacalis. INSECT SCIENCE 2021; 28:1169-1178. [PMID: 32383529 DOI: 10.1111/1744-7917.12798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 04/26/2020] [Accepted: 04/30/2020] [Indexed: 06/11/2023]
Abstract
Crop expansion often leads to high pest pressure. These pests may have fitness trade-offs related to host use, and some host-associated genotypes may benefit and increase in frequency. However, evidence concerning the effect of host availability on spatial distribution and frequency of mitochondrial haplotypes is scarce. We studied genetic variation of the Asian corn borer, Ostrinia furnacalis (Guenée), across a large area during 2 years (2016 and 2017). Mitochondrial sequence data were obtained from 530 individuals collected from 79 locations in Shandong Province, China. In total, 155 haplotypes were found based on the combined cytochrome oxidase subunit 1 (COI) and COII genes. Three haplotypes (H2, H12, and H23) were dominant, whereas most of the other haplotypes occurred in low frequency. A haplotype network showed that the 155 haplotypes can be grouped into three clusters. Haplotype clusters seemed to be randomly distributed. The frequency of H12 (in Cluster 1) was positively correlated with maize crop proportion, but negatively correlated with other crops (primarily vegetables, oilseed crops, and cotton) at all spatial scales (1-, 3-, and 5-km radius). Cluster 2 had haplotype H23, and this cluster was negatively correlated with semi-natural habitats. Cluster 3 had no dominant haplotype and was not affected by landscape factors. We conclude that H12 may be a maize-associated haplotype. Further study is needed to verify the possibility that the carriers of this haplotype may possess some fitness trade-offs. Our study highlights the importance of host availability in O. furnacalis haplotype distribution and frequency.
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Affiliation(s)
- Zhaoke Dong
- Institute of Plant Protection, Shandong Academy of Agricultural Science, Jinan, China
- Key Laboratory of Integrated Crop Pest Management of Shandong Province, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao, China
| | - Chao Li
- Institute of Plant Protection, Shandong Academy of Agricultural Science, Jinan, China
| | - Qingqing Zhang
- Institute of Plant Protection, Shandong Academy of Agricultural Science, Jinan, China
| | - Lili Li
- Institute of Plant Protection, Shandong Academy of Agricultural Science, Jinan, China
| | - Zengbin Lu
- Maize Research Institute, Shandong Academy of Agricultural Science, Jinan, China
| | - Fang Ouyang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing, China
| | - Yingying Song
- Institute of Plant Protection, Shandong Academy of Agricultural Science, Jinan, China
| | - Yi Yu
- Institute of Plant Protection, Shandong Academy of Agricultural Science, Jinan, China
| | - Xingyuan Men
- Institute of Plant Protection, Shandong Academy of Agricultural Science, Jinan, China
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Wang Y, Shi J, Cui H, Wang CZ, Zhao Z. Effects of NPF on larval taste responses and feeding behaviors in Ostrinia furnacalis. JOURNAL OF INSECT PHYSIOLOGY 2021; 133:104276. [PMID: 34245800 DOI: 10.1016/j.jinsphys.2021.104276] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 06/23/2021] [Accepted: 07/01/2021] [Indexed: 06/13/2023]
Abstract
The insect taste system regulates insect feeding behavior and patterns of food consumption. In this study, we showed that the medial and lateral sensilla styloconica in the mouthparts of 5th-instar Asian corn borer larvae are sensitive to fructose and sucrose in a concentration-dependent way. The two sensilla produced significant electrophysiological responses (greater than100 spikes/s) by exposure to 10 mM fructose or sucrose. However, electrophysiological responses and feeding preferences to fructose or sucrose were inhibited by neuropeptide F double-stranded RNA (dsNPF). Additionally, the medial sensilla styloconica are sensitive to low concentrations of the deterrents caffeine and nicotine. However, starvation, followed by increases in larval npf expression plus feeding, led to increases in spike frequencies of related sensilla to fructose, sucrose, and deterrents. In contrast, these responses were reduced on the dsNPF treatment. Our results suggest that NPF plays an important role influencing caterpillar feeding behavior through regulating the taste neurons of the sensilla styloconica.
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Affiliation(s)
- Yuan Wang
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Jian Shi
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Hongying Cui
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China
| | - Chen-Zhu Wang
- State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
| | - Zhangwu Zhao
- Department of Entomology and MOA Key Lab of Pest Monitoring and Green Management, College of Plant Protection, China Agricultural University, Beijing 100193, China.
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5
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Wang Y, Kim KS, Li Q, Zhang Y, Wang Z, Coates BS. Influence of voltine ecotype and geographic distance on genetic and haplotype variation in the Asian corn borer. Ecol Evol 2021; 11:10244-10257. [PMID: 34367572 PMCID: PMC8328404 DOI: 10.1002/ece3.7829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/09/2020] [Accepted: 11/10/2020] [Indexed: 11/09/2022] Open
Abstract
Diapause is an adaptive dormancy strategy by which arthropods endure extended periods of adverse climatic conditions. Seasonal variation in larval diapause initiation and duration in Ostrinia furnacalis may influence adult mating generation number (voltinism) across different local environments. The degree to which voltine ecotype, geographic distance, or other ecological factors influence O. furnacalis population genetic structure remains uncertain. Genetic differentiation was estimated between voltine ecotypes collected from 8 locations. Mitochondrial haplotypes were significantly different between historically allopatric univoltine and bivoltine locations, but confounded by a strong correlation with geographic distance. In contrast, single nucleotide polymorphism (SNP) genotypes show low but significant levels of variation and a lack of influence of geographic distance between allopatric voltine locations. Regardless, 11 of 257 SNP loci were predicted to be under selection, suggesting population genetic homogenization except at loci proximal to factors putatively under selection. These findings provide evidence of haplotype divergent voltine ecotypes that may be maintained in allopatric and sympatric areas despite relatively high rates of nuclear gene flow, yet influence of voltinism on maintenance of observed haplotype divergence remains unresolved.
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Affiliation(s)
- Yangzhou Wang
- Northeast Agricultural Research Center of ChinaJilin Academy of Agricultural SciencesChangchunChina
| | - Kyung Seok Kim
- Natural Resource Ecology and ManagementIowa State UniversityAmesIAUSA
| | - Qiyun Li
- Northeast Agricultural Research Center of ChinaJilin Academy of Agricultural SciencesChangchunChina
| | - Yunyue Zhang
- Northeast Agricultural Research Center of ChinaJilin Academy of Agricultural SciencesChangchunChina
| | - Zhen‐Ying Wang
- Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijingChina
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Shwe SM, Prabu S, Chen Y, Li Q, Jing D, Bai S, He K, Wang Z. Baseline Susceptibility and Laboratory Selection of Resistance to Bt Cry1Ab Protein of Chinese Populations of Yellow Peach Moth, Conogethes punctiferalis (Guenée). Toxins (Basel) 2021; 13:335. [PMID: 34066367 PMCID: PMC8148182 DOI: 10.3390/toxins13050335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/23/2021] [Accepted: 05/02/2021] [Indexed: 11/17/2022] Open
Abstract
Yellow Peach Moth (YPM), Conogethes punctiferalis (Guenée), is one of the most destructive maize pests in the Huang-Huai-Hai summer maize region of China. Transgenic Bacillus thuringiensis (Bt) maize provides an effective means to control this insect pest in field trials. However, the establishment of Bt resistance to target pests is endangering the continued success of Bt crops. To use Bt maize against YPM, the baseline susceptibility of the local populations in the targeted areas needs to be verified. Diet-overlay bioassay results showed that all the fourteen YPM populations in China are highly susceptible to Cry1Ab. The LC50 values ranged from 0.35 to 2.38 ng/cm2 over the two years of the collection, and the difference between the most susceptible and most tolerant populations was sevenfold. The upper limit of the LC99 estimates of six pooled populations produced >99% larval mortality for representative eight populations collected in 2020 and was designated as diagnostic concentrations for monitoring susceptibility in YPM populations in China. Hence, we evaluated the laboratory selection of resistance in YPM to Cry1Ab using the diet-overlay bioassay method. Although the resistant ratio was generally low, YPM potentially could evolve resistance to Cry1Ab. The potential developmentof resistance by target pests points out the necessity to implement resistance management strategies for delaying the establishment of pest resistance to Bt crops.
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Affiliation(s)
| | | | | | | | | | | | | | - Zhenying Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2, West Yuanmingyuan Road, Beijing 100193, China; (S.M.S.); (S.P.); (Y.C.); (Q.L.); (D.J.); (S.B.); (K.H.)
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7
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Fisher KE, Bradbury SP, Coates BS. Prediction of mitochondrial genome-wide variation through sequencing of mitochondrion-enriched extracts. Sci Rep 2020; 10:19123. [PMID: 33154458 PMCID: PMC7645498 DOI: 10.1038/s41598-020-76088-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 10/19/2020] [Indexed: 11/08/2022] Open
Abstract
Although mitochondrial DNA (mtDNA) haplotype variation is often applied for estimating population dynamics and phylogenetic relationships, economical and generalized methods for entire mtDNA genome enrichment prior to high-throughput sequencing are not readily available. This study demonstrates the utility of differential centrifugation to enrich for mitochondrion within cell extracts prior to DNA extraction, short-read sequencing, and assembly using exemplars from eight maternal lineages of the insect species, Ostrinia nubilalis. Compared to controls, enriched extracts showed a significant mean increase of 48.2- and 86.1-fold in mtDNA based on quantitative PCR, and proportion of subsequent short sequence reads that aligned to the O. nubilalis reference mitochondrial genome, respectively. Compared to the reference genome, our de novo assembled O. nubilalis mitochondrial genomes contained 82 intraspecific substitution and insertion/deletion mutations, and provided evidence for correction of mis-annotated 28 C-terminal residues within the NADH dehydrogenase subunit 4. Comparison to a more recent O. nubilalis mtDNA assembly from unenriched short-read data analogously showed 77 variant sites. Twenty-eight variant positions, and a triplet ATT codon (Ile) insertion within ATP synthase subunit 8, were unique within our assemblies. This study provides a generalizable pipeline for whole mitochondrial genome sequence acquisition adaptable to applications across a range of taxa.
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Affiliation(s)
- Kelsey E Fisher
- Department of Entomology, Iowa State University, Ames, IA, 50011, USA.
| | - Steven P Bradbury
- Department of Entomology, Iowa State University, Ames, IA, 50011, USA
- Department of Natural Resource Ecology and Management, Iowa State University, Ames, IA, 50011, USA
| | - Brad S Coates
- Department of Agriculture, Agriculture Research Station, Corn Insects and Crop Genetics Research Unit, Ames, IA, 50011, USA
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8
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Hu S, Zhao X, Zhang L. Computational Screening of Potential Inhibitors of β-N-Acetyl-D-Hesosaminidases Using Combined Core-Fragment Growth and Pharmacophore Restraints. Appl Biochem Biotechnol 2019; 189:1262-1273. [PMID: 31240546 DOI: 10.1007/s12010-019-03064-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 06/07/2019] [Indexed: 01/15/2023]
Abstract
As a type of β-N-acetyl-D-hexosaminidase enzyme purified from the Ostriniafurnacalis (Asian corn borer), OfHex1 has been previously reported to participate in chitin degradation, indicating that it may be an ideal target for designing new environmentally friendly pesticides. Besides, a natural product, TMG-chitotriomycin, has been found to be an effective inhibitor of OfHex1, and some studies have shown that the interactions between TMG unit and residues in - 1 subsite of OfHex1 are very conservative and important, inspiring us to design new inhibitors of β-N-acetyl-D-hexosaminidase with a new strategy. In the present study, the virtual screening of TMG unit as the core fragment was conducted using the combined computational methods, such as docking, molecular dynamics, pharmacophore model, and pesticide-likeness rule. Nine compounds with the binding free energy lower than TMG-β-(GlcNAc)2 were obtained. According to the decomposition energy and the interactions analysis, compounds 2, 3, 6 and 8, forming the hydrogen bonds with Val327 and Trp490, were considered as the possible lead structures for the further study. Our findings indicated that fragment-based lead discovery strategy might provide valuable insights into designing novel potential OfHex1 inhibitors.
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Affiliation(s)
- Song Hu
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Xiao Zhao
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Li Zhang
- Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China.
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9
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Wang Y, Quan Y, Yang J, Shu C, Wang Z, Zhang J, Gatehouse AMR, Tabashnik BE, He K. Evolution of Asian Corn Borer Resistance to Bt Toxins Used Singly or in Pairs. Toxins (Basel) 2019; 11:E461. [PMID: 31390820 PMCID: PMC6723947 DOI: 10.3390/toxins11080461] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 07/24/2019] [Accepted: 08/01/2019] [Indexed: 12/30/2022] Open
Abstract
Transgenic crops producing insecticidal proteins from Bacillus thuringiensis (Bt) have revolutionized pest control, but the benefits of this approach have been reduced by the evolution of resistance in pests. The widely adopted 'pyramid strategy' for delaying resistance entails transgenic crops producing two or more distinct toxins that kill the same pest. The limited experimental evidence supporting this strategy comes primarily from a model system under ideal conditions. Here we tested the pyramid strategy under nearly worst-case conditions, including some cross-resistance between the toxins in the pyramid. In a laboratory selection experiment with an artificial diet, we used Bt toxins Cry1Ab, Cry1F, and Cry1Ie singly or in pairs against Ostrinia furnacalis, one of the most destructive pests of corn in Asia. Under the conditions evaluated, pairs of toxins did not consistently delay the evolution of resistance relative to single toxins.
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Affiliation(s)
- Yueqin Wang
- The State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yudong Quan
- The State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jing Yang
- The State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Changlong Shu
- The State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Zhenying Wang
- The State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jie Zhang
- The State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Angharad M R Gatehouse
- School of Natural and Environmental Sciences, University of Newcastle, Newcastle upon Tyne NE1 7RU, UK
| | - Bruce E Tabashnik
- Department of Entomology, University of Arizona, Tucson, AZ 85721, USA
| | - Kanglai He
- The 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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10
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Wang Y, Kim KS, Guo W, Li Q, Zhang Y, Wang Z, Coates BS. Introgression between divergent corn borer species in a region of sympatry: Implications on the evolution and adaptation of pest arthropods. Mol Ecol 2017; 26:6892-6907. [PMID: 29105878 DOI: 10.1111/mec.14387] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 09/09/2017] [Accepted: 09/26/2017] [Indexed: 11/29/2022]
Abstract
The Asian corn borer, Ostrinia furnacalis, and European corn borer, O. nubilalis (Lepidoptera: Crambidae), cause damage to cultivated maize in spatially distinct geographies and have evolved divergent hydrocarbons as the basis of sexual communication. The Yili area of Xinjiang Uyghur Autonomous Region in China represents the only known region where O. furnacalis has invaded a native O. nubilalis range, and these two corn borer species have made secondary contact. Genetic differentiation was estimated between Ostrinia larvae collected from maize plants at 11 locations in Xinjiang and genotyped using high-throughput SNP and microsatellite markers. Maternal lineages were assessed by direct sequencing of mitochondrial cytochrome c oxidase subunit I and II haplotypes, and a high degree of genotypic diversity was demonstrated between lineages based on SNP genotypes. Furthermore, historical introgression was predicted among SNP genotypes only at sympatric locations in the Yili area, whereas in Xinjiang populations only O. furnacalis haplotypes were detected and no analogous introgressed genotypes were predicted. Our detection of putative hybrids and historical evidence of introgression defines Yili area as a hybrid zone between the species in normal ecological interactions and furthermore, might indicate that adaptive traits could spread even between seemingly divergent species through horizontal transmission. Results of this study indicate there may be a continuum in the degree of reproductive isolation between Ostrinia species and that the elegance of distinct and complete speciation based on modifications to the pheromone communication might need to be reconsidered.
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Affiliation(s)
- Yangzhou Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China.,Jilin Academy of Agricultural Sciences, Changchun, China
| | - Kyung Seok Kim
- Iowa State University, Department of Natural Resource Ecology and Management, Ames, IA, USA
| | - Wenchao Guo
- Research Institute of Plant Protection, Xinjiang Academy of Agricultural Sciences, Urumqi, China
| | - Qiyun Li
- Jilin Academy of Agricultural Sciences, Changchun, China
| | - Yunyue Zhang
- Jilin Academy of Agricultural Sciences, Changchun, China
| | - Zhenying Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Brad S Coates
- United States Department of Agriculture, Agricultural Research Service, Corn Insects and Crop Genetics Research Unit, Iowa State University, Ames, IA, USA
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Yue Z, Zhao Z. Feeding regulation by neuropeptide Y on Asian corn borer Ostrinia furnacalis. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2017; 95:e21396. [PMID: 28557151 DOI: 10.1002/arch.21396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The Asian Corn Borer Ostrinia furnacalis is a major agricultural pest. In this study, a full-length neuropeptide Y (npy) gene in O. furnacalis was sequenced and cloned from cDNA library, which contains an ORF of 273 bp by encoding 90 amino acid residues. The mature OfurNPY is composed of 29 amino acids with amidation in C-terminal. The spatiotemporal expression analysis showed that npy highest expression level was in the midgut of the fifth instar larvae (the gluttony period). When the expression of npy was knocked down by feeding or injecting dsNPY, larval food consumption, body size, and body weight were significantly inhibited compared to controls. These results indicate that NPY is an important regulator in the control of feeding of O. furnacalis.
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Affiliation(s)
- Zhen Yue
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, China
- College of Life Science, Linyi University, Linyi, Shandong, China
| | - Zhangwu Zhao
- Department of Entomology, College of Plant Protection, China Agricultural University, Beijing, China
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12
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A potential and novel type transgenic corn plant for control of the Corn Borer. Sci Rep 2017; 7:44105. [PMID: 28290513 PMCID: PMC5349583 DOI: 10.1038/srep44105] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 02/01/2017] [Indexed: 11/16/2022] Open
Abstract
The corn borer is a world-wide agricultural pest. In this study, a full-length neuropeptide F (npf) gene in Ostrinia furnacalis was sequenced and cloned from a cDNA library, in which the npf gene produces two splicing mRNA variants - npf1 and npf2 (with a 120 bp segment inserted into the npf1 sequence to generate npf2). A spatio-temporal expression analysis showed that the highest expression level of npf was in the midgut of 5th instar larvae (the gluttony period), and their npf expression and food consumption were significantly promoted after food deprivation for 6 h. When npf was knocked down by double-stranded RNA for NPF, larval food intake, weight and body size were effectively inhibited through changes of a biosynthesis and metabolism pathway; i.e. gene silencing of NPF causes decreases of total lipid and glycogen and increases of trehalose production. Moreover, we produced transgenic corn plants with stably expressed dsNPF. Results showed that O. furnacalis larvae fed on these transgenic leaves had lower food consumption and smaller body size compared to controls. These results indicate that NPF is important in the feeding control of O. furnacalis and valuable for production of potential transgenic corn.
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Xiao L, He H, Huang L, Geng T, Fu S, Xue F. Variation of life-history traits of the Asian corn borer, Ostrinia furnacalis in relation to temperature and geographical latitude. Ecol Evol 2016; 6:5129-43. [PMID: 27551371 PMCID: PMC4984492 DOI: 10.1002/ece3.2275] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 05/31/2016] [Accepted: 06/03/2016] [Indexed: 01/04/2023] Open
Abstract
Life-history traits from four geographical populations (tropical Ledong population [LD], subtropical Guangzhou [GZ] and Yongxiu populations, and temperate Langfang population [LF]) of the Asian corn borer, Ostrinia furnacalis were investigated at a wide range of temperatures (20-32°C). The larval and pupal times were significantly decreased with increasing rearing temperature, and growth rate was positively correlated with temperature. The relationship between body weight and rearing temperature in O. furnacalis did not follow the temperature-size rule (TSR); all populations exhibited the highest pupal and adult weights at high temperatures or intermediate temperatures. However, development time, growth rate, and body weight did not show a constant latitudinal gradient. Across all populations at each temperature, female were significantly bigger than males, showing a female-biased sexual size dimorphism (SSD). Contrary to Rensch's rule, the SSD tended to increase with rising temperature. The subtropical GZ population exhibited the largest degree of dimorphism while the temperate LF exhibited the smallest. Male pupae lose significantly more weight at metamorphosis compared to females. The proportionate weight losses of different populations were significantly different. Adult longevity was significantly decreased with increasing temperature. Between sexes, all populations exhibit a rather female-biased adult longevity. Finally, we discuss the adaptive significance of higher temperature-inducing high body weight in the moth's life history and why the moth exhibits the reverse TSR.
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Affiliation(s)
- Liang Xiao
- Institute of EntomologyJiangxi Agricultural UniversityNanchangChina
| | - Hai‐Min He
- Institute of EntomologyJiangxi Agricultural UniversityNanchangChina
| | - Li‐Li Huang
- Jiangxi Entry Exit Inspection and Quarantine BureauNanchangChina
| | - Ting Geng
- Institute of Plant ProtectionChinese Academy of Agricultural SciencesBeijingChina
| | - Shu Fu
- Institute of EntomologyJiangxi Agricultural UniversityNanchangChina
| | - Fang‐Sen Xue
- Institute of EntomologyJiangxi Agricultural UniversityNanchangChina
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Dyer RJ. Population Graphs and Landscape Genetics. ANNUAL REVIEW OF ECOLOGY EVOLUTION AND SYSTEMATICS 2015. [DOI: 10.1146/annurev-ecolsys-112414-054150] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Rodney J. Dyer
- Department of Biology and Center for Environmental Studies, Virginia Commonwealth University, Richmond, Virginia 23284-2012;
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