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Common evolutionary trajectory of short life-cycle in Brassicaceae ruderal weeds. Nat Commun 2023; 14:290. [PMID: 36653415 PMCID: PMC9849336 DOI: 10.1038/s41467-023-35966-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 01/10/2023] [Indexed: 01/19/2023] Open
Abstract
Weed species are detrimental to crop yield. An understanding of how weeds originate and adapt to field environments is needed for successful crop management and reduction of herbicide use. Although early flowering is one of the weed trait syndromes that enable ruderal weeds to overcome frequent disturbances, the underlying genetic basis is poorly understood. Here, we establish Cardamine occulta as a model to study weed ruderality. By genome assembly and QTL mapping, we identify impairment of the vernalization response regulator gene FLC and a subsequent dominant mutation in the blue-light receptor gene CRY2 as genetic drivers for the establishment of short life cycle in ruderal weeds. Population genomics study further suggests that the mutations in these two genes enable individuals to overcome human disturbances through early deposition of seeds into the soil seed bank and quickly dominate local populations, thereby facilitating their spread in East China. Notably, functionally equivalent dominant mutations in CRY2 are shared by another weed species, Rorippa palustris, suggesting a common evolutionary trajectory of early flowering in ruderal weeds in Brassicaceae.
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Wong ACS, Massel K, Lam Y, Hintzsche J, Chauhan BS. Biotechnological Road Map for Innovative Weed Management. FRONTIERS IN PLANT SCIENCE 2022; 13:887723. [PMID: 35548307 PMCID: PMC9082642 DOI: 10.3389/fpls.2022.887723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/07/2022] [Indexed: 05/07/2023]
Abstract
In most agriculture farmlands, weed management is predominantly reliant on integrated weed management (IWM) strategies, such as herbicide application. However, the overuse and misuse of herbicides, coupled with the lack of novel active ingredients, has resulted in the uptrend of herbicide-resistant weeds globally. Moreover, weedy traits that contribute to weed seed bank persistence further exacerbate the challenges in weed management. Despite ongoing efforts in identifying and improving current weed management processes, the pressing need for novel control techniques in agricultural weed management should not be overlooked. The advent of CRISPR/Cas9 gene-editing systems, coupled with the recent advances in "omics" and cheaper sequencing technologies, has brought into focus the potential of managing weeds in farmlands through direct genetic control approaches, but could be achieved stably or transiently. These approaches encompass a range of technologies that could potentially manipulate expression of key genes in weeds to reduce its fitness and competitiveness, or, by altering the crop to improve its competitiveness or herbicide tolerance. The push for reducing or circumventing the use of chemicals in farmlands has provided an added incentive to develop practical and feasible molecular approaches for weed management, although there are significant technical, practical, and regulatory challenges for utilizing these prospective molecular technologies in weed management.
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Affiliation(s)
- Albert Chern Sun Wong
- Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD, Australia
- *Correspondence: Albert Chern Sun Wong,
| | - Karen Massel
- Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD, Australia
| | - Yasmine Lam
- Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD, Australia
| | - Jessica Hintzsche
- Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, QLD, Australia
| | - Bhagirath Singh Chauhan
- Centre for Crop Science, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Gatton, QLD, Australia
- School of Agriculture and Food Sciences, The University of Queensland, Gatton, QLD, Australia
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3
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Kreiner JM, Caballero A, Wright SI, Stinchcombe JR. Selective ancestral sorting and de novo evolution in the agricultural invasion of Amaranthus tuberculatus. Evolution 2021; 76:70-85. [PMID: 34806764 DOI: 10.1111/evo.14404] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/12/2021] [Accepted: 10/24/2021] [Indexed: 12/16/2022]
Abstract
The relative role of hybridization, de novo evolution, and standing variation in weed adaptation to agricultural environments is largely unknown. In Amaranthus tuberculatus, a widespread North American agricultural weed, adaptation is likely influenced by recent secondary contact and admixture of two previously isolated lineages. We characterized the extent of adaptation and phenotypic differentiation accompanying the spread of A. tuberculatus into agricultural environments and the contribution of ancestral divergence. We generated phenotypic and whole-genome sequence data from a manipulative common garden experiment, using paired samples from natural and agricultural populations. We found strong latitudinal, longitudinal, and sex differentiation in phenotypes, and subtle differences among agricultural and natural environments that were further resolved with ancestry inference. The transition into agricultural environments has favored southwestern var. rudis ancestry that leads to higher biomass and treatment-specific phenotypes: increased biomass and earlier flowering under reduced water availability, and reduced plasticity in fitness-related traits. We also detected de novo adaptation in individuals from agricultural habitats independent of ancestry effects, including marginally higher biomass, later flowering, and treatment-dependent divergence in time to germination. Therefore, the invasion of A. tuberculatus into agricultural environments has drawn on adaptive variation across multiple timescales-through both preadaptation via the preferential sorting of var. rudis ancestry and de novo local adaptation.
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Affiliation(s)
- Julia M Kreiner
- Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, V6T 1Z4, Canada.,Current Address: Department of Botany, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.,Current Address: Biodiversity Research Centre, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Amalia Caballero
- Department of Molecular Genetics, University of Toronto, Toronto, ON, M5S 1A8, Canada
| | - Stephen I Wright
- Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, V6T 1Z4, Canada
| | - John R Stinchcombe
- Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, V6T 1Z4, Canada.,Koffler Scientific Reserve, University of Toronto, King City, ON, L7B 1K5, Canada
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Ravet K, Sparks CD, Dixon AL, Küpper A, Westra EP, Pettinga DJ, Tranel PJ, Felix J, Morishita DW, Jha P, Kniss A, Stahlman PW, Neve P, Patterson EL, Westra P, Gaines TA. Genomic-based epidemiology reveals independent origins and gene flow of glyphosate resistance in Bassia scoparia populations across North America. Mol Ecol 2021; 30:5343-5359. [PMID: 34614274 PMCID: PMC9297870 DOI: 10.1111/mec.16215] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 08/26/2021] [Accepted: 10/01/2021] [Indexed: 12/13/2022]
Abstract
Genomic-based epidemiology can provide insight into the origins and spread of herbicide resistance mechanisms in weeds. We used kochia (Bassia scoparia) populations resistant to the herbicide glyphosate from across western North America to test the alternative hypotheses that (i) a single EPSPS gene duplication event occurred initially in the Central Great Plains and then subsequently spread to all other geographical areas now exhibiting glyphosate-resistant kochia populations or that (ii) gene duplication occurred multiple times in independent events in a case of parallel evolution. We used qPCR markers previously developed for measuring the structure of the EPSPS tandem duplication to investigate whether all glyphosate-resistant individuals had the same EPSPS repeat structure. We also investigated population structure using simple sequence repeat markers to determine the relatedness of kochia populations from across the Central Great Plains, Northern Plains and the Pacific Northwest. We found that the original EPSPS duplication genotype was predominant in the Central Great Plains where glyphosate resistance was first reported. We identified two additional EPSPS duplication genotypes, one having geographical associations with the Northern Plains and the other with the Pacific Northwest. The EPSPS duplication genotype from the Pacific Northwest seems likely to represent a second, independent evolutionary origin of a resistance allele. We found evidence of gene flow across populations and a general lack of population structure. The results support at least two independent evolutionary origins of glyphosate resistance in kochia, followed by substantial and mostly geographically localized gene flow to spread the resistance alleles into diverse genetic backgrounds.
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Affiliation(s)
- Karl Ravet
- Department of Agricultural BiologyColorado State UniversityFort CollinsColoradoUSA
- Present address:
Department of Soil and Crop SciencesColorado State UniversityFort CollinsColoradoUSA
| | - Crystal D. Sparks
- Department of Agricultural BiologyColorado State UniversityFort CollinsColoradoUSA
| | - Andrea L. Dixon
- Rothamsted ResearchWest Common HarpendenHertfordshireUK
- Center for Outcomes Research and EpidemiologyCollege of Veterinary MedicineKansas State UniversityManhattanKansasUSA
| | - Anita Küpper
- Department of Agricultural BiologyColorado State UniversityFort CollinsColoradoUSA
- Crop Science DivisionWeed ControlBayer AGFrankfurt am MainGermany
| | - Eric P. Westra
- Department of Agricultural BiologyColorado State UniversityFort CollinsColoradoUSA
| | - Dean J. Pettinga
- Department of Agricultural BiologyColorado State UniversityFort CollinsColoradoUSA
| | | | - Joel Felix
- Oregon State University, Malheur Experiment StationOntarioORUSA
| | - Don W. Morishita
- Kimberly Research and Extension CenterUniversity of IdahoKimberlyIdahoUSA
| | - Prashant Jha
- Department of AgronomyIowa State UniversityAmesIowaUSA
| | - Andrew Kniss
- Department of Plant SciencesUniversity of WyomingLaramieWyomingUSA
| | | | - Paul Neve
- Rothamsted ResearchWest Common HarpendenHertfordshireUK
- Department of Plant & Environmental SciencesUniversity of CopenhagenTaastrupDenmark
| | - Eric L. Patterson
- Department of Plant, Soil, and Microbial SciencesMichigan State UniversityEast LansingMichiganUSA
| | - Philip Westra
- Department of Agricultural BiologyColorado State UniversityFort CollinsColoradoUSA
| | - Todd A. Gaines
- Department of Agricultural BiologyColorado State UniversityFort CollinsColoradoUSA
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5
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Sharma G, Barney JN, Westwood JH, Haak DC. Into the weeds: new insights in plant stress. TRENDS IN PLANT SCIENCE 2021; 26:1050-1060. [PMID: 34238685 DOI: 10.1016/j.tplants.2021.06.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 06/03/2021] [Accepted: 06/10/2021] [Indexed: 06/13/2023]
Abstract
Weeds, plants that thrive in the face of disturbance, have eluded human's attempts at control for >12 000 years, positioning them as a unique group of extreme stress tolerators. The most successful weeds have a suite of traits that enable them to rapidly adapt to environments typified by stress, growing in hostile conditions or subject to massive destruction from agricultural practices. Through their ability to persist and adapt, weeds illuminate principles of evolution and provide insights into weed management and crop improvement. Here we highlight why the time is right to move beyond traditional model systems and leverage weeds to gain a deeper understanding of the mechanisms, adaptations, and genetic and physiological bases for stress tolerance.
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Affiliation(s)
- Gourav Sharma
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA 24061, USA
| | - Jacob N Barney
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA 24061, USA
| | - James H Westwood
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
| | - David C Haak
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA 24061, USA.
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North HL, McGaughran A, Jiggins CD. Insights into invasive species from whole-genome resequencing. Mol Ecol 2021; 30:6289-6308. [PMID: 34041794 DOI: 10.1111/mec.15999] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/12/2021] [Accepted: 04/30/2021] [Indexed: 12/12/2022]
Abstract
Studies of invasive species can simultaneously inform management strategies and quantify rapid evolution in the wild. The role of genomics in invasion science is increasingly recognised, and the growing availability of reference genomes for invasive species is paving the way for whole-genome resequencing studies in a wide range of systems. Here, we survey the literature to assess the application of whole-genome resequencing data in invasion biology. For some applications, such as the reconstruction of invasion routes in time and space, sequencing the whole genome of many individuals can increase the accuracy of existing methods. In other cases, population genomic approaches such as haplotype analysis can permit entirely new questions to be addressed and new technologies applied. To date whole-genome resequencing has only been used in a handful of invasive systems, but these studies have confirmed the importance of processes such as balancing selection and hybridization in allowing invasive species to reuse existing adaptations and rapidly overcome the challenges of a foreign ecosystem. The use of genomic data does not constitute a paradigm shift per se, but by leveraging new theory, tools, and technologies, population genomics can provide unprecedented insight into basic and applied aspects of invasion science.
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Affiliation(s)
- Henry L North
- Department of Zoology, University of Cambridge, Cambridge, UK
| | - Angela McGaughran
- Te Aka Mātuatua/School of Science, University of Waikato, Hamilton, New Zealand
| | - Chris D Jiggins
- Department of Zoology, University of Cambridge, Cambridge, UK
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Vilanova S, Alonso D, Gramazio P, Plazas M, García-Fortea E, Ferrante P, Schmidt M, Díez MJ, Usadel B, Giuliano G, Prohens J. SILEX: a fast and inexpensive high-quality DNA extraction method suitable for multiple sequencing platforms and recalcitrant plant species. PLANT METHODS 2020; 16:110. [PMID: 32793297 PMCID: PMC7419208 DOI: 10.1186/s13007-020-00652-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 08/03/2020] [Indexed: 05/11/2023]
Abstract
BACKGROUND The use of sequencing and genotyping platforms has undergone dramatic improvements, enabling the generation of a wealth of genomic information. Despite this progress, the availability of high-quality genomic DNA (gDNA) in sufficient concentrations is often a main limitation, especially for third-generation sequencing platforms. A variety of DNA extraction methods and commercial kits are available. However, many of these are costly and frequently give either low yield or low-quality DNA, inappropriate for next generation sequencing (NGS) platforms. Here, we describe a fast and inexpensive DNA extraction method (SILEX) applicable to a wide range of plant species and tissues. RESULTS SILEX is a high-throughput DNA extraction protocol, based on the standard CTAB method with a DNA silica matrix recovery, which allows obtaining NGS-quality high molecular weight genomic plant DNA free of inhibitory compounds. SILEX was compared with a standard CTAB extraction protocol and a common commercial extraction kit in a variety of species, including recalcitrant ones, from different families. In comparison with the other methods, SILEX yielded DNA in higher concentrations and of higher quality. Manual extraction of 48 samples can be done in 96 min by one person at a cost of 0.12 €/sample of reagents and consumables. Hundreds of tomato gDNA samples obtained with either SILEX or the commercial kit were successfully genotyped with Single Primer Enrichment Technology (SPET) with the Illumina HiSeq 2500 platform. Furthermore, DNA extracted from Solanum elaeagnifolium using this protocol was assessed by Pulsed-field gel electrophoresis (PFGE), obtaining a suitable size ranges for most sequencing platforms that required high-molecular-weight DNA such as Nanopore or PacBio. CONCLUSIONS A high-throughput, fast and inexpensive DNA extraction protocol was developed and validated for a wide variety of plants and tissues. SILEX offers an easy, scalable, efficient and inexpensive way to extract DNA for various next-generation sequencing applications including SPET and Nanopore among others.
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Affiliation(s)
- Santiago Vilanova
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain
| | - David Alonso
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain
| | - Pietro Gramazio
- Faculty of Life and Environmental Sciences, University of Tsukuba, 1-1-1 Tennodai, 305-8572 Tsukuba, Japan
| | - Mariola Plazas
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain
| | - Edgar García-Fortea
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain
| | - Paola Ferrante
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Rome, Italy
| | | | - María José Díez
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain
| | - Björn Usadel
- BG-4 Bioinformatics, Forschungszentrum Jülich, 52428 Jülich, Germany
- CEPLAS, Institute for Biological Data Science, Heinrich Heine University Düsseldorf, 40225 Düsselforf, Germany
| | - Giovanni Giuliano
- ENEA, Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Rome, Italy
| | - Jaime Prohens
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana, Universitat Politècnica de València, Camino de Vera 14, 46022 Valencia, Spain
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Beckie HJ. Herbicide Resistance in Plants. PLANTS 2020; 9:plants9040435. [PMID: 32244672 PMCID: PMC7238419 DOI: 10.3390/plants9040435] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 03/26/2020] [Indexed: 01/06/2023]
Abstract
Herbicide resistance in weeds is perhaps the most prominent research area within the discipline of weed science today. Incidence, management challenges, and the cost of multiple-resistant weed populations are continually increasing worldwide. Crop cultivars with multiple herbicide-resistance traits are being rapidly adopted by growers and land managers to keep ahead of the weed resistance tsunami. This Special Issue of Plants comprises papers that describe the current status and future outlook of herbicide resistance research and development in weedy and domestic plants, with topics covering the full spectrum from resistance mechanisms to resistance management. The unifying framework for this Special issue, is the challenge initially posed to all of the contributors: what are the (potential) implications for herbicide resistance management?
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Affiliation(s)
- Hugh J Beckie
- Australian Herbicide Resistance Initiative (AHRI), School of Agriculture and Environment, The University of Western Australia, Perth, WA 6009, Australia
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