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González-Torralva F, Norsworthy JK. Overexpression of Acetyl CoA Carboxylase 1 and 3 ( ACCase1 and ACCase3), and CYP81A21 were related to cyhalofop resistance in a barnyardgrass accession from Arkansas. PLANT SIGNALING & BEHAVIOR 2023; 18:2172517. [PMID: 36722712 PMCID: PMC9897766 DOI: 10.1080/15592324.2023.2172517] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/04/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Barnyardgrass [Echinochloa crus-galli (L.) P. Beauv.] is the most difficult-to-control weed species of rice production systems worldwide. It has evolved resistance to different herbicide sites of action, including the acetyl-CoA carboxylase (ACCase)-inhibiting herbicides. Target-site mutations conferring resistance to ACCase-inhibiting herbicides are well documented; however, the role of the different ACCase genes in conferring resistance to cyhalofop-p-butyl (cyhalofop), an ACCase-inhibiting herbicide, remains poorly understood. This research assessed the contribution of gene amplification and expression of ACCase genes in a cyhalofop-resistant barnyardgrass accession. Additionally, the expression of glutathione-S-transferases (GSTs) and cytochrome P450 monooxygenases (P450s) genes as possible contributors to resistance to cyhalofop were investigated. Results demonstrated that ACCase gene amplification does not contribute to cyhalofop resistance. However, ACCase1 and ACCase3 were found to be overexpressed in the cyhalofop-resistant barnyardgrass accession. At 24 h after cyhalofop treatment, an overexpression of 2.0- and 2.8-fold was detected in ACCase1 and ACCase3, respectively. In addition, CYP81A21 (a P450 gene) was found to be 2.5-fold overexpressed compared to the susceptible accession in the same time period. These results suggest that ACCase1, ACCase3, and CYP81A21 are crucial genes in contributing cyhalofop resistance in this barnyardgrass accession.
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Affiliation(s)
- Fidel González-Torralva
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR, USA
| | - Jason K. Norsworthy
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR, USA
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Yanniccari M, Vázquez-García JG, Gigón R, Palma-Bautista C, Vila-Aiub M, De Prado R. A novel EPSPS Pro-106-His mutation confers the first case of glyphosate resistance in Digitaria sanguinalis. PEST MANAGEMENT SCIENCE 2022; 78:3135-3143. [PMID: 35452163 DOI: 10.1002/ps.6940] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/18/2022] [Accepted: 04/22/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Digitaria sanguinalis has been identified as a species at high risk of evolving herbicide resistance, but thus far, there are no records of resistance to glyphosate. This weed is one of the most common weeds of summer crops in extensive cropping areas in Argentina. It shows an extended period of seedling emergence with several overlapping cohorts during spring and summer, and is commonly controlled with glyphosate. However, a D. sanguinalis population was implicated as a putative glyphosate-resistant biotype based on poor control at recommended glyphosate doses. RESULTS The field-collected D. sanguinalis population (Dgs R) from the Rolling Pampas has evolved glyphosate resistance. Differences in plant survival and shikimate levels after field-recommended and higher glyphosate doses were evident between Dgs R and the known susceptible (Dgs S) population; the resistance index was 5.1. No evidence of differential glyphosate absorption, translocation, metabolism or basal EPSPS activity was found between Dgs S and Dgs R populations; however, a novel EPSPS Pro-106-His point substitution is probably the primary glyphosate resistance-endowing mechanism. EPSPS in vitro enzymatic activity demonstrated that an 80-fold higher concentration of glyphosate is required in Dgs R to achieve similar EPSPS activity inhibition to that in the Dgs S population. CONCLUSION This study reports the first global case of glyphosate resistance in D. sanguinalis. This unlikely yet novel transversion at the second position of the EPSPS 106 codon demonstrates the intensity of glyphosate pressure in selecting unexpected glyphosate resistance alleles if they retain EPSPS functionality. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Marcos Yanniccari
- Chacra Experimental Integrada Barrow (MDA-INTA), National Scientific and Technical Research Council (CONICET), Faculty of Agronomy, National University of La Pampa, La Pampa, Argentina
| | | | - Ramón Gigón
- Private Consultant in Weed Control, Tres Arroyos, Argentina
| | - Candelario Palma-Bautista
- Department of Agroforestry, Plant Biochemistry and Molecular Biology, University of Cordoba, Cordoba, Spain
| | - Martin Vila-Aiub
- Department of Ecology, IFEVA-CONICET, Faculty of Agronomy, University of Buenos Aires (UBA), Buenos Aires, Argentina
| | - Rafael De Prado
- Department of Agroforestry, Plant Biochemistry and Molecular Biology, University of Cordoba, Cordoba, Spain
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Wu D, Shen E, Jiang B, Feng Y, Tang W, Lao S, Jia L, Lin HY, Xie L, Weng X, Dong C, Qian Q, Lin F, Xu H, Lu H, Cutti L, Chen H, Deng S, Guo L, Chuah TS, Song BK, Scarabel L, Qiu J, Zhu QH, Yu Q, Timko MP, Yamaguchi H, Merotto A, Qiu Y, Olsen KM, Fan L, Ye CY. Genomic insights into the evolution of Echinochloa species as weed and orphan crop. Nat Commun 2022; 13:689. [PMID: 35115514 PMCID: PMC8814039 DOI: 10.1038/s41467-022-28359-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 01/20/2022] [Indexed: 12/20/2022] Open
Abstract
As one of the great survivors of the plant kingdom, barnyard grasses (Echinochloa spp.) are the most noxious and common weeds in paddy ecosystems. Meanwhile, at least two Echinochloa species have been domesticated and cultivated as millets. In order to better understand the genomic forces driving the evolution of Echinochloa species toward weed and crop characteristics, we assemble genomes of three Echinochloa species (allohexaploid E. crus-galli and E. colona, and allotetraploid E. oryzicola) and re-sequence 737 accessions of barnyard grasses and millets from 16 rice-producing countries. Phylogenomic and comparative genomic analyses reveal the complex and reticulate evolution in the speciation of Echinochloa polyploids and provide evidence of constrained disease-related gene copy numbers in Echinochloa. A population-level investigation uncovers deep population differentiation for local adaptation, multiple target-site herbicide resistance mutations of barnyard grasses, and limited domestication of barnyard millets. Our results provide genomic insights into the dual roles of Echinochloa species as weeds and crops as well as essential resources for studying plant polyploidization, adaptation, precision weed control and millet improvements.
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Affiliation(s)
- Dongya Wu
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Enhui Shen
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
- Zhejiang University Zhongyuan Institute, Zhengzhou, 450000, China
| | - Bowen Jiang
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Yu Feng
- Institute of Ecology, Zhejiang University, Hangzhou, 310058, China
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Wei Tang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China
| | - Sangting Lao
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Lei Jia
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Han-Yang Lin
- Institute of Ecology, Zhejiang University, Hangzhou, 310058, China
| | - Lingjuan Xie
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Xifang Weng
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Chenfeng Dong
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Qinghong Qian
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Feng Lin
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Haiming Xu
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
| | - Huabing Lu
- Institute of Maize and Upland Grain, Zhejiang Academy of Agricultural Sciences, Dongyang, 322105, China
| | - Luan Cutti
- Department of Crop Sciences, Agricultural School, Federal University of Rio Grande do Sul, Porto Alegre, RS, 91540-000, Brazil
| | - Huajun Chen
- College of Computer Science and Technology, Zhejiang University, Hangzhou, 310058, China
| | - Shuiguang Deng
- College of Computer Science and Technology, Zhejiang University, Hangzhou, 310058, China
| | - Longbiao Guo
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China
| | - Tse-Seng Chuah
- Faculty of Plantation and Agrotechnology, Universiti Teknologi MARA, 02600, Arau, Perlis, Malaysia
| | - Beng-Kah Song
- School of Science, Monash University Malaysia, 46150, Bandar Sunway, Selangor, Malaysia
| | - Laura Scarabel
- Istituto per la Protezione Sostenibile delle Piante (IPSP), CNR, Viale dell'Università, 16, 35020, Legnaro (PD), Italy
| | - Jie Qiu
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200235, China
| | - Qian-Hao Zhu
- CSIRO Agriculture and Food, GPO Box 1700, Canberra, ACT, 2601, Australia
| | - Qin Yu
- Australian Herbicide Resistance Initiative, School of Agriculture and Environment, University of Western Australia, Crawley, WA, 6009, Australia
| | - Michael P Timko
- Department of Biology, University of Virginia, Charlottesville, VA, 22904, USA
| | | | - Aldo Merotto
- Department of Crop Sciences, Agricultural School, Federal University of Rio Grande do Sul, Porto Alegre, RS, 91540-000, Brazil
| | - Yingxiong Qiu
- Institute of Ecology, Zhejiang University, Hangzhou, 310058, China
| | - Kenneth M Olsen
- Department of Biology, Washington University in St. Louis, St. Louis, MO, 63130, USA
| | - Longjiang Fan
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China
- Zhejiang University Zhongyuan Institute, Zhengzhou, 450000, China
| | - Chu-Yu Ye
- Institute of Crop Science & Institute of Bioinformatics, Zhejiang University, Hangzhou, 310058, China.
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Hwang JI, Norsworthy JK, González-Torralva F, Piveta LB, Priess GL, Barber LT, Butts TR. Absorption, translocation, and metabolism of florpyrauxifen-benzyl and cyhalofop-butyl in cyhalofop-butyl-resistant barnyardgrass [Echinochloa crus-galli (L.) P. Beauv.]. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 180:104999. [PMID: 34955183 DOI: 10.1016/j.pestbp.2021.104999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/08/2021] [Accepted: 11/18/2021] [Indexed: 06/14/2023]
Abstract
Dose-response experiments were conducted to assess the sensitivity of one susceptible and three putative resistant (R1, R2, and R3) barnyardgrass [Echinochloa crus-galli (L.) P. Beauv.] biotypes to florpyrauxifen-benzyl and cyhalofop-butyl alone and as a formulated premix. Subsequently, potential resistance mechanisms of the barnyardgrass were evaluated. Based on biomass reduction results, resistant/susceptible ratios were calculated for R1 (7.0-50), R2 (7.0-150), and R3 (18-214) biotypes. Absorption and translocation of [14C]-florpyrauxifen-benzyl decreased in R1 and R3 biotypes, but not for [14C]-cyhalofop-butyl. The metabolism of [14C]-florpyrauxifen-benzyl to [14C]-florpyrauxifen-acid was >2-fold less in resistant biotypes (9-11%) than in the susceptible biotype (23%). Moreover, the production of [14C]-florpyrauxifen-acid in susceptible barnyardgrass (not in the R biotypes) increased 3-fold when florpyrauxifen-benzyl and cyhalofop-butyl were applied in mixture compared to florpyrauxifen-benzyl applied alone. The tested barnyardgrass biotypes had no mutation in the Transport Inhibitor Response1, auxin-signaling F-box, and acetyl coenzyme A carboxylase genes. Although further studies on cyhalofop-butyl resistance with respect to analysis of specific metabolites are needed, our findings in this study demonstrates that the evolution of florpyrauxifen-benzyl resistance in multiple resistant barnyardgrass can be related to non-target-site resistance mechanisms reducing absorption and translocation of the herbicide and causing reduced conversion or rapid degradation of florpyrauxifen-acid.
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Affiliation(s)
- Jeong-In Hwang
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72704, USA.
| | - Jason K Norsworthy
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72704, USA
| | - Fidel González-Torralva
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72704, USA
| | - Leonard B Piveta
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72704, USA
| | - Grant L Priess
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72704, USA
| | - L Tom Barber
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72704, USA
| | - Thomas R Butts
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72704, USA
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