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Tabashnik BE, Fabrick JA, Carrière Y. Global Patterns of Insect Resistance to Transgenic Bt Crops: The First 25 Years. JOURNAL OF ECONOMIC ENTOMOLOGY 2023; 116:297-309. [PMID: 36610076 DOI: 10.1093/jee/toac183] [Citation(s) in RCA: 40] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Indexed: 05/29/2023]
Abstract
Crops genetically engineered to produce insecticidal proteins from the bacterium Bacillus thuringiensis (Bt) have improved pest management and reduced reliance on insecticide sprays. However, evolution of practical resistance by some pests has reduced the efficacy of Bt crops. We analyzed global resistance monitoring data for 24 pest species based on the first 25 yr of cultivation of Bt crops including corn, cotton, soybean, and sugarcane. Each of the 73 cases examined represents the response of one pest species in one country to one Bt toxin produced by one or more Bt crops. The cases of practical resistance rose from 3 in 2005 to 26 in 2020. Practical resistance has been documented in some populations of 11 pest species (nine lepidopterans and two coleopterans), collectively affecting nine widely used crystalline (Cry) Bt toxins in seven countries. Conversely, 30 cases reflect no decrease in susceptibility to Bt crops in populations of 16 pest species in 10 countries. The remaining 17 cases provide early warnings of resistance, which entail genetically based decreases in susceptibility without evidence of reduced field efficacy. The early warnings involve four Cry toxins and the Bt vegetative insecticidal protein Vip3Aa. Factors expected to favor sustained susceptibility include abundant refuges of non-Bt host plants, recessive inheritance of resistance, low resistance allele frequency, fitness costs, incomplete resistance, and redundant killing by multi-toxin Bt crops. Also, sufficiently abundant refuges can overcome some unfavorable conditions for other factors. These insights may help to increase the sustainability of current and future transgenic insecticidal crops.
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Affiliation(s)
| | - Jeffrey A Fabrick
- USDA ARS, U. S. Arid Land Agricultural Research Center, Maricopa, AZ, USA
| | - Yves Carrière
- Department of Entomology, University of Arizona, Tucson, AZ, USA
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de Moura SM, Freitas EO, Ribeiro TP, Paes-de-Melo B, Arraes FBM, Macedo LLP, Paixão JFR, Lourenço-Tessutti IT, Artico S, da Cunha Valença D, Silva MCM, de Oliveira AC, Alves-Ferreira M, Grossi-de-Sa MF. Discovery and functional characterization of novel cotton promoters with potential application to pest control. PLANT CELL REPORTS 2022; 41:1589-1601. [PMID: 35665839 DOI: 10.1007/s00299-022-02880-z] [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: 08/24/2021] [Accepted: 04/28/2022] [Indexed: 06/15/2023]
Abstract
pGhERF105 and pGhNc-HARBI1 promoters are highly responsive to CBW infestation and exhibit strong activity in vegetative and reproductive tissues, increasing their potential application in GM crop plants for pest control. The main challenge to cotton (Gossypium hirsutum) crop productivity is the constant attack of several pests, including the cotton boll weevil (CBW, Anthonomus grandis), which uses cotton floral buds for feeding and egg-laying. The endophytic nature of the early developmental stages of CBW makes conventional pesticide-based control poorly efficient. Most biotechnological assets used for pest control are based on Bacillus thurigiensis insecticidal Cry toxins or the silencing of insect-pest essential genes using RNA-interference technology. However, suitable plant promoter sequences are required to efficiently drive insecticidal molecules to the target plant tissue. This study selected the Ethylene Responsive Factor 105 (GhERF105) and Harbinger transposase-derived nuclease (GhNc-HARBI1) genes based on available transcriptome-wide data from cotton plants infested by CBW larvae. The GhERF105 and GhNc-HARBI1 genes showed induction kinetics from 2 to 96 h under CBW's infestation in cotton floral buds, uncovering the potential application of their promoters. Therefore, the promoter regions (1,500 base pairs) were assessed and characterized using Arabidopsis thaliana transgenic plants. The pGhERF105 and pGhNc-HARBI1 promoters showed strong activity in plant vegetative (leaves and roots) and reproductive (flowers and fruits) tissues, encompassing higher GUS transcriptional activity than the viral-constitutive Cauliflower Mosaic Virus 35S promoter (pCaMV35S). Notably, pGhERF105 and pGhNc-HARBI1 promoters demonstrated more efficiency in driving reporter genes in flowers than other previously characterized cotton flower-specific promoters. Overall, the present study provides a new set of cotton promoters suitable for biotechnological application in cotton plants for pest resistance.
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Affiliation(s)
- Stéfanie Menezes de Moura
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
| | - Elinea Oliveira Freitas
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
- Federal University of Brasilia (UnB), Brasília, DF, Brazil
| | - Thuanne Pires Ribeiro
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
- Federal University of Brasilia (UnB), Brasília, DF, Brazil
| | - Bruno Paes-de-Melo
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
| | - Fabrício B M Arraes
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
- Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Leonardo Lima Pepino Macedo
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
| | - Joaquin F R Paixão
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
| | - Isabela T Lourenço-Tessutti
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
| | - Sinara Artico
- Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - David da Cunha Valença
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
| | - Maria Cristina Mattar Silva
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
| | - Antonio C de Oliveira
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
- Federal University of Pelotas (UFPEL), Pelotas, RS, Brazil
| | - Marcio Alves-Ferreira
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil
- Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
| | - Maria Fatima Grossi-de-Sa
- Embrapa Genetic Resources and Biotechnology, PqEB, Final W5 North, PO Box 02372, Brasília, DF, 70770-917, Brazil.
- National Institute of Science and Technology, INCT PlantStress Biotech, EMBRAPA, Brasília, DF, Brazil.
- Catholic University of Brasília (UCB), Brasília, DF, Brazil.
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Nguyen TD, La VH, Nguyen VD, Bui TT, Nguyen TT, Je YH, Chung YS, Ngo XB. Convergence of Bar and Cry1Ac Mutant Genes in Soybean Confers Synergistic Resistance to Herbicide and Lepidopteran Insects. FRONTIERS IN PLANT SCIENCE 2021; 12:698882. [PMID: 34733296 PMCID: PMC8559871 DOI: 10.3389/fpls.2021.698882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 09/13/2021] [Indexed: 06/13/2023]
Abstract
Soybean is a globally important crop species, which is subject to pressure by insects and weeds causing severe substantially reduce yield and quality. Despite the success of transgenic soybean in terms of Bacillus thuringiensis (Bt) and herbicide tolerance, unforeseen mitigated performances have still been inspected due to climate changes that favor the emergence of insect resistance. Therefore, there is a need to develop a biotech soybean with elaborated gene stacking to improve insect and herbicide tolerance in the field. In this study, new gene stacking soybean events, such as bialaphos resistance (bar) and pesticidal crystal protein (cry)1Ac mutant 2 (M#2), are being developed in Vietnamese soybean under field condition. Five transgenic plants were extensively studied in the herbicide effects, gene expression patterns, and insect mortality across generations. The increase in the expression of the bar gene by 100% in the leaves of putative transgenic plants was a determinant of herbicide tolerance. In an insect bioassay, the cry1Ac-M#2 protein tested yielded higher than expected larval mortality (86%), reflecting larval weight gain and weight of leaf consumed were less in the T1 generation. Similarly, in the field tests, the expression of cry1Ac-M#2 in the transgenic soybean lines was relatively stable from T0 to T3 generations that corresponded to a large reduction in the rate of leaves and pods damage caused by Lamprosema indicata and Helicoverpa armigera. The transgenic lines converged two genes, producing a soybean phenotype that was resistant to herbicide and lepidopteran insects. Furthermore, the expression of cry1Ac-M#2 was dominant in the T1 generation leading to the exhibit of better phenotypic traits. These results underscored the great potential of combining bar and cry1Ac mutation genes in transgenic soybean as pursuant of ensuring resistance to herbicide and lepidopteran insects.
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Affiliation(s)
- Tien Dung Nguyen
- Department of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen, Vietnam
| | - Van Hien La
- Department of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen, Vietnam
| | - Van Duy Nguyen
- Department of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen, Vietnam
| | - Tri Thuc Bui
- Department of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen, Vietnam
| | - Thi Tinh Nguyen
- Department of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen, Vietnam
| | - Yeon Ho Je
- Department of Agricultural Biotechnology, College of Agriculture and Life Science, Seoul National University, Seoul, South Korea
| | - Young Soo Chung
- Department of Genetic Engineering, Dong A University, Busan, South Korea
| | - Xuan Binh Ngo
- Department of Biotechnology and Food Technology, Thai Nguyen University of Agriculture and Forestry, Thai Nguyen, Vietnam
- Department of Science and Technology for Economic Technical Branches, Ministry of Science and Technology, Ha Noi, Vietnam
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Khan SU, Ali S, Shah SH, Zia MA, Shoukat S, Hussain Z, Shahzad A. Impact of nitrogen and phosphorus fertilizers on Cry1Ac protein contents in transgenic cotton. BRAZ J BIOL 2021; 83:e246436. [PMID: 34495159 DOI: 10.1590/1519-6984.246436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 02/26/2021] [Indexed: 11/22/2022] Open
Abstract
Application of different fertilizers to check the efficiency of expression of Bt (Bacillus thuringiensis) gene in one of the leading commercialized crops (cotton) against Lepidopteran species is of great concern. The expression of Cry protein level can be controlled by the improvement of nutrients levels. Therefore, the myth of response of Cry toxin to different combinations of NP fertilizers was explored in three Bt cotton cultivars. Combinations include three levels of nitrogen and three levels of phosphorus fertilizers. Immunostrips and Cry gene(s) specific primer based PCR (Polymerase Chain Reaction) analysis were used for the presence of Bt gene that unveiled the presence of Cry1Ac gene only. Further, the ELISA (enzyme-linked immunosorbent assay) kit was used to quantify the expression of Cry1Ac protein. Under various NP fertilizers rates, the level of toxin protein exhibited highly significant differences. The highest toxin level mean was found to be 2.3740 and 2.1732 µg/g under the treatment of N150P75 kg ha-1 combination while the lowest toxin level mean was found to be 0.9158 and 0.7641 µg/g at the N50P25 kg ha-1 level at 80 and 120 DAS (Days After Sowing), respectively. It was concluded from the research that the usage of NP fertilizers has a positive relation with the expression of Cry1Ac toxin in Bt cotton. We recommend using the N150P50 kg ha-1 level as the most economical and practicable fertilizer instead of the standard dose N100P50 kg ha-1 to get the desired level of Cry1Ac level for long lasting plant resistance (<1.5). The revised dose of fertilizer may help farmers to avoid the cross-resistance development in contradiction of insect pests.
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Affiliation(s)
- S U Khan
- PARC Institute of Advanced Studies in Agriculture - PIASA, National Agricultural Research Centre - NARC, Islamabad, Pakistan
| | - S Ali
- National Institute for Genomics & Advanced Biotechnology - NIGAB, National Agricultural Research Centre - NARC, Islamabad, Pakistan
| | - S H Shah
- Department of Agricultural Sciences, Faculty of Sciences, Allama Iqbal Open University, Islamabad, Pakistan
| | - M A Zia
- National Institute for Genomics & Advanced Biotechnology - NIGAB, National Agricultural Research Centre - NARC, Islamabad, Pakistan
| | - S Shoukat
- PARC Institute of Advanced Studies in Agriculture - PIASA, National Agricultural Research Centre - NARC, Islamabad, Pakistan
| | - Z Hussain
- Centre for Biotechnology and Microbiology, University of Swat, Swat, Khyber Pukhtunkhwa, Pakistan
| | - A Shahzad
- National Institute for Genomics & Advanced Biotechnology - NIGAB, National Agricultural Research Centre - NARC, Islamabad, Pakistan
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Shahzad R, Jamil S, Ahmad S, Nisar A, Amina Z, Saleem S, Zaffar Iqbal M, Muhammad Atif R, Wang X. Harnessing the potential of plant transcription factors in developing climate resilient crops to improve global food security: Current and future perspectives. Saudi J Biol Sci 2021; 28:2323-2341. [PMID: 33911947 PMCID: PMC8071895 DOI: 10.1016/j.sjbs.2021.01.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/09/2020] [Accepted: 01/12/2021] [Indexed: 12/20/2022] Open
Abstract
Crop plants should be resilient to climatic factors in order to feed ever-increasing populations. Plants have developed stress-responsive mechanisms by changing their metabolic pathways and switching the stress-responsive genes. The discovery of plant transcriptional factors (TFs), as key regulators of different biotic and abiotic stresses, has opened up new horizons for plant scientists. TFs perceive the signal and switch certain stress-responsive genes on and off by binding to different cis-regulatory elements. More than 50 families of plant TFs have been reported in nature. Among them, DREB, bZIP, MYB, NAC, Zinc-finger, HSF, Dof, WRKY, and NF-Y are important with respect to biotic and abiotic stresses, but the potential of many TFs in the improvement of crops is untapped. In this review, we summarize the role of different stress-responsive TFs with respect to biotic and abiotic stresses. Further, challenges and future opportunities linked with TFs for developing climate-resilient crops are also elaborated.
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Affiliation(s)
- Rahil Shahzad
- Agricultural Biotechnology Research Institute, Ayub Agricultural Research Institute, Faisalabad 38000, Pakistan
| | - Shakra Jamil
- Agricultural Biotechnology Research Institute, Ayub Agricultural Research Institute, Faisalabad 38000, Pakistan
| | - Shakeel Ahmad
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China
| | - Amina Nisar
- Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad 38000, Pakistan
| | - Zarmaha Amina
- Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad 38000, Pakistan
| | - Shazmina Saleem
- Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad 38000, Pakistan
| | - Muhammad Zaffar Iqbal
- Agricultural Biotechnology Research Institute, Ayub Agricultural Research Institute, Faisalabad 38000, Pakistan
| | - Rana Muhammad Atif
- Department of Plant Breeding and Genetics, University of Agriculture, Faisalabad 38000, Pakistan
- Center for Advanced Studies in Agriculture and Food Security (CAS-AFS), University of Agriculture Faisalabad, University Road, 38040, Faisalabad, Pakistan
| | - Xiukang Wang
- College of Life Sciences, Yan’an University, Yan’an 716000, China
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Sufyan Tahir M, Latif A, Bashir S, Shad M, Khan MAU, Gul A, Shahid N, Husnain T, Rao AQ, Ali Shahid A. Transformation and evaluation of Broad-Spectrum insect and weedicide resistant genes in Gossypium arboreum (Desi Cotton). GM CROPS & FOOD 2021; 12:292-302. [PMID: 33648412 PMCID: PMC7928043 DOI: 10.1080/21645698.2021.1885288] [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] [Indexed: 10/26/2022]
Abstract
Gossypium arboreum (Desi Cotton) holds a special place in cotton industry because of its inherent ability to withstand drought, salinity, and remarkable resistance to sucking pests and cotton leaf curl virus. However, it suffers yield losses due to weeds and bollworm infestation. Genetic modification of G. arboreum variety FBD-1 was attempted in the current study to combat insect and weedicide resistance by incorporating cry1Ac, cry2A and cp4-EPSPS genes under control of 35S promoter in two different cassettes using kanamycin and GUS as markers through Agrobacterium-mediated shoot apex cut method of cotton transformation. The efficiency of transformation was found to be 1.57%. Amplification of 1700 bp for cry1Ac, 167 bp for cry2A and 111 bp for cp4-EPSPS confirmed the presence of transgenes in cotton plants. The maximum mRNA expression of cry1Ac and cp4-EPSPS was observed in transgenic cotton line L3 while minimum in transgenic cotton line L1. The maximum protein concentrations of Cry1Ac, Cry2A and Cp4-EPSPS of 3.534 µg g-1, 2.534 µg g-1 and 3.58 µg-g-1 respectively were observed for transgenic cotton line L3 as compared to control cotton line. On leaf-feed-based insect bioassay, almost 99% mortality was observed for Helicoverpa armigera on the transgenic cotton plant (L3). It completely survived the 1900 ml hectare-1 glyphosate spray assay as compared to non-transgenic cotton plants. The necrotic spots appeared on the third day, leading to the complete death of control plants on the fifth day of assay. The successful multiple gene-stacking in G. arboreum FBD-1 variety could be further used for qualitative improvement of cotton fiber through plant breeding techniques.
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Affiliation(s)
- Muhammad Sufyan Tahir
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Ayesha Latif
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Samina Bashir
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan.,Kinnaird College for Women University, Lahore, Pakistan
| | - Mohsin Shad
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | | | - Ambreen Gul
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Naila Shahid
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Tayyab Husnain
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Abdul Qayyum Rao
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Ahmed Ali Shahid
- Center of Excellence in Molecular Biology, University of the Punjab, Lahore, Pakistan
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