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Mabry ME, Abrahams RS, Al-Shehbaz IA, Baker WJ, Barak S, Barker MS, Barrett RL, Beric A, Bhattacharya S, Carey SB, Conant GC, Conran JG, Dassanayake M, Edger PP, Hall JC, Hao Y, Hendriks KP, Hibberd JM, King GJ, Kliebenstein DJ, Koch MA, Leitch IJ, Lens F, Lysak MA, McAlvay AC, McKibben MTW, Mercati F, Moore RC, Mummenhoff K, Murphy DJ, Nikolov LA, Pisias M, Roalson EH, Schranz ME, Thomas SK, Yu Q, Yocca A, Pires JC, Harkess AE. Complementing model species with model clades. THE PLANT CELL 2024; 36:1205-1226. [PMID: 37824826 PMCID: PMC11062466 DOI: 10.1093/plcell/koad260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 09/07/2023] [Accepted: 09/22/2023] [Indexed: 10/14/2023]
Abstract
Model species continue to underpin groundbreaking plant science research. At the same time, the phylogenetic resolution of the land plant tree of life continues to improve. The intersection of these 2 research paths creates a unique opportunity to further extend the usefulness of model species across larger taxonomic groups. Here we promote the utility of the Arabidopsis thaliana model species, especially the ability to connect its genetic and functional resources, to species across the entire Brassicales order. We focus on the utility of using genomics and phylogenomics to bridge the evolution and diversification of several traits across the Brassicales to the resources in Arabidopsis, thereby extending scope from a model species by establishing a "model clade." These Brassicales-wide traits are discussed in the context of both the model species Arabidopsis and the family Brassicaceae. We promote the utility of such a "model clade" and make suggestions for building global networks to support future studies in the model order Brassicales.
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Affiliation(s)
- Makenzie E Mabry
- Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA
| | - R Shawn Abrahams
- Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520, USA
- Department of Biochemistry, Purdue University, West Lafayette, IN 47906, USA
| | | | | | - Simon Barak
- Ben-Gurion University of the Negev, French Associates Institute for Agriculture and Biotechnology of Drylands, Jacob Blaustein Institutes for Desert Research, Midreshet Ben-Gurion, 8499000, Israel
| | - Michael S Barker
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
| | - Russell L Barrett
- National Herbarium of New South Wales, Australian Botanic Garden, Locked Bag 6002, Mount Annan, NSW 2567, Australia
| | - Aleksandra Beric
- Department of Psychiatry, Washington University in Saint Louis School of Medicine, St. Louis, MO 63110, USA
- NeuroGenomics and Informatics Center, Washington University in Saint Louis School of Medicine, St. Louis, MO 63108, USA
| | - Samik Bhattacharya
- Department of Biology, Botany, University of Osnabrück, D-49076 Osnabrück, Germany
| | - Sarah B Carey
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA
| | - Gavin C Conant
- Department of Biological Sciences, Bioinformatics Research Center, Program in Genetics, North Carolina State University, Raleigh, NC 27695, USA
| | - John G Conran
- ACEBB and SGC, School of Biological Sciences, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Maheshi Dassanayake
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Patrick P Edger
- Department of Horticulture, Michigan State University, East Lansing, MI 48864, USA
| | - Jocelyn C Hall
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta T6G 2E9, Canada
| | - Yue Hao
- Cancer and Cell Biology Division, Translational Genomics Research Institute, Phoenix, AZ 85004, USA
| | - Kasper P Hendriks
- Department of Biology, Botany, University of Osnabrück, D-49076 Osnabrück, Germany
- Functional Traits, Naturalis Biodiversity Center, PO Box 9517, Leiden 2300 RA, the Netherlands
| | - Julian M Hibberd
- Department of Plant Sciences, University of Cambridge, Cambridge, CB2 1TN, UK
| | - Graham J King
- Southern Cross Plant Science, Southern Cross University, Lismore, NSW 2480, Australia
| | | | - Marcus A Koch
- Centre for Organismal Studies (COS), Heidelberg University, 69120 Heidelberg, Germany
| | - Ilia J Leitch
- Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AE, UK
| | - Frederic Lens
- Functional Traits, Naturalis Biodiversity Center, PO Box 9517, Leiden 2300 RA, the Netherlands
- Institute of Biology Leiden, Plant Sciences, Leiden University, 2333 BE Leiden, the Netherlands
| | - Martin A Lysak
- CEITEC, and NCBR, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Alex C McAlvay
- Institute of Economic Botany, New York Botanical Garden, The Bronx, NY 10458, USA
| | - Michael T W McKibben
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ 85721, USA
| | - Francesco Mercati
- National Research Council (CNR), Institute of Biosciences and Bioresource (IBBR), Palermo 90129, Italy
| | | | - Klaus Mummenhoff
- Department of Biology, Botany, University of Osnabrück, D-49076 Osnabrück, Germany
| | - Daniel J Murphy
- Royal Botanic Gardens Victoria, Melbourne, VIC 3004, Australia
| | | | - Michael Pisias
- Division of Plant Sciences, University of Missouri, Columbia, MO 65211, USA
| | - Eric H Roalson
- School of Biological Sciences, Washington State University, Pullman, WA 99164-4236, USA
| | - M Eric Schranz
- Biosystematics Group, Wageningen University, 6708 PB Wageningen, the Netherlands
| | - Shawn K Thomas
- Division of Biological Sciences, University of Missouri, Columbia, MO 65211, USA
- Bioinformatics and Analytics Core, University of Missouri, Columbia, MO 65211, USA
| | - Qingyi Yu
- Daniel K. Inouye U.S. Pacific Basin Agricultural Research Center, Agricultural Research Service, United States Department of Agriculture, Hilo, HI 96720, USA
| | - Alan Yocca
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA
| | - J Chris Pires
- Department of Soil and Crop Sciences, Colorado State University, Fort Collins, CO 80523-1170, USA
| | - Alex E Harkess
- HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA
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Wang P, Cao W, Yang L, Zhang Y, Fang Z, Zhuang M, Lv H, Wang Y, Cheng S, Ji J. Glucosinolate Biosynthetic Genes of Cabbage: Genome-Wide Identification, Evolution, and Expression Analysis. Genes (Basel) 2023; 14:476. [PMID: 36833404 PMCID: PMC9956868 DOI: 10.3390/genes14020476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/19/2023] [Accepted: 02/09/2023] [Indexed: 02/16/2023] Open
Abstract
Cabbage (Brassica oleracea var. capitata) is a vegetable rich in glucosinolates (GSLs) that have proven health benefits. To gain insights into the synthesis of GSLs in cabbage, we systematically analyzed GSLs biosynthetic genes (GBGs) in the entire cabbage genome. In total, 193 cabbage GBGs were identified, which were homologous to 106 GBGs in Arabidopsis thaliana. Most GBGs in cabbage have undergone negative selection. Many homologous GBGs in cabbage and Chinese cabbage differed in expression patterns indicating the unique functions of these homologous GBGs. Spraying five exogenous hormones significantly altered expression levels of GBGs in cabbage. For example, MeJA significantly upregulated side chain extension genes BoIPMILSU1-1 and BoBCAT-3-1, and the expression of core structure construction genes BoCYP83A1 and BoST5C-1, while ETH significantly repressed the expression of side chain extension genes such as BoIPMILSU1-1, BoCYP79B2-1, and BoMAMI-1, and some transcription factors, namely BoMYB28-1, BoMYB34-1, BoMYB76-1, BoCYP79B2-1, and BoMAMI-1. Phylogenetically, the CYP83 family and CYP79B and CYP79F subfamilies may only be involved in GSL synthesis in cruciferous plants. Our unprecedented identification and analysis of GBGs in cabbage at the genome-wide level lays a foundation for the regulation of GSLs synthesis through gene editing and overexpression.
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Affiliation(s)
- Peng Wang
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou 570228, China
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Wenxue Cao
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- College of Horticulture and Landscape Architecture, Hunan Agricultural University, 1 Nongda Road, Changsha 410128, China
| | - Limei Yang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yangyong Zhang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Zhiyuan Fang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Mu Zhuang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Honghao Lv
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yong Wang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Shanhan Cheng
- Key Laboratory for Quality Regulation of Tropical Horticultural Crops of Hainan Province, College of Horticulture, Hainan University, Haikou 570228, China
| | - Jialei Ji
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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Karssemeijer PN, de Kreek KA, Gols R, Neequaye M, Reichelt M, Gershenzon J, van Loon JJA, Dicke M. Specialist root herbivore modulates plant transcriptome and downregulates defensive secondary metabolites in a brassicaceous plant. THE NEW PHYTOLOGIST 2022; 235:2378-2392. [PMID: 35717563 PMCID: PMC9540780 DOI: 10.1111/nph.18324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 06/01/2022] [Indexed: 06/15/2023]
Abstract
Plants face attackers aboveground and belowground. Insect root herbivores can lead to severe crop losses, yet the underlying transcriptomic responses have rarely been studied. We studied the dynamics of the transcriptomic response of Brussels sprouts (Brassica oleracea var. gemmifera) primary roots to feeding damage by cabbage root fly larvae (Delia radicum), alone or in combination with aboveground herbivory by cabbage aphids (Brevicoryne brassicae) or diamondback moth caterpillars (Plutella xylostella). This was supplemented with analyses of phytohormones and the main classes of secondary metabolites; aromatic, indole and aliphatic glucosinolates. Root herbivory leads to major transcriptomic rearrangement that is modulated by aboveground feeding caterpillars, but not aphids, through priming soon after root feeding starts. The root herbivore downregulates aliphatic glucosinolates. Knocking out aliphatic glucosinolate biosynthesis with CRISPR-Cas9 results in enhanced performance of the specialist root herbivore, indicating that the herbivore downregulates an effective defence. This study advances our understanding of how plants cope with root herbivory and highlights several novel aspects of insect-plant interactions for future research. Further, our findings may help breeders develop a sustainable solution to a devastating root pest.
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Affiliation(s)
- Peter N. Karssemeijer
- Laboratory of EntomologyWageningen University and Research6708PBWageningenthe Netherlands
| | - Kris A. de Kreek
- Laboratory of EntomologyWageningen University and Research6708PBWageningenthe Netherlands
| | - Rieta Gols
- Laboratory of EntomologyWageningen University and Research6708PBWageningenthe Netherlands
| | - Mikhaela Neequaye
- John Innes CentreNorwich Research ParkNR4 7UHNorwichUK
- Quadram Institute BioscienceNorwich Research ParkNR4 7UQNorwichUK
| | - Michael Reichelt
- Department of BiochemistryMax‐Planck‐Institute for Chemical Ecology07745JenaGermany
| | - Jonathan Gershenzon
- Department of BiochemistryMax‐Planck‐Institute for Chemical Ecology07745JenaGermany
| | - Joop J. A. van Loon
- Laboratory of EntomologyWageningen University and Research6708PBWageningenthe Netherlands
| | - Marcel Dicke
- Laboratory of EntomologyWageningen University and Research6708PBWageningenthe Netherlands
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Angelovici R, Kliebenstein D. A plant balancing act: Meshing new and existing metabolic pathways towards an optimized system. CURRENT OPINION IN PLANT BIOLOGY 2022; 66:102173. [PMID: 35144143 DOI: 10.1016/j.pbi.2022.102173] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 12/17/2021] [Accepted: 01/03/2022] [Indexed: 06/14/2023]
Abstract
Specialized metabolic pathways evolve from existing pathways, creating new functionality potentially boosting fitness. However, how these pathways are integrated into a pre-existing working and well-balanced metabolic system is unclear. They could be integrated to the system as a functional appendage, or they could be fully embedded into primary metabolism by establishing new biochemical and regulatory connections. A full integration into the primary metabolic system requires substantial system re-wiring and because of this complexity, the latter is often not experimentally pursued. New studies provide evidence that some specialized metabolic pathways are fully embedded in primary metabolism with extensive new regulatory and biochemical connections. This suggests, that we should consider whether other specialized metabolic pathways could be fully integrated rather than being simple appendages. In this mini review, we survey compelling evidence supporting that some specialized metabolic pathways are fully integrated and ask if these metabolites now act as de-facto primary metabolites?
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Affiliation(s)
- Ruthie Angelovici
- Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, 65211, USA.
| | - Dan Kliebenstein
- Department of Plant Sciences, University of California, Davis, One Shields Avenue, Davis, CA, 95616, USA; DynaMo Center of Excellence, University of Copenhagen, Thorvaldsensvej 40, DK-1871, Frederiksberg C, Denmark.
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5
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Zhao Y, Chen Z, Chen J, Chen B, Tang W, Chen X, Lai Z, Guo R. Comparative transcriptomic analyses of glucosinolate metabolic genes during the formation of Chinese kale seeds. BMC PLANT BIOLOGY 2021; 21:394. [PMID: 34418959 PMCID: PMC8380351 DOI: 10.1186/s12870-021-03168-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 08/10/2021] [Indexed: 05/04/2023]
Abstract
BACKGROUND To understand the mechanism of glucosinolates (GSs) accumulation in the specific organs, combined analysis of physiological change and transcriptome sequencing were applied in the current study. Taking Chinese kale as material, seeds and silique walls were divided into different stages based on the development of the embryo in seeds and then subjected to GS analysis and transcriptome sequencing. RESULTS The main GS in seeds of Chinese kale were glucoiberin and gluconapin and their content changed with the development of the seed. During the transition of the embryo from torpedo- to the early cotyledonary-embryo stage, the accumulation of GS in the seed was accompanied by the salient decline of GS in the corresponding silique wall. Thus, the seed and corresponding silique wall at these two stages were subjected to transcriptomic sequencing analysis. 135 genes related to GS metabolism were identified, of which 24 genes were transcription factors, 81 genes were related to biosynthetic pathway, 25 genes encoded catabolic enzymes, and 5 genes matched with transporters. The expression of GS biosynthetic genes was detected both in seeds and silique walls. The high expression of FMOGS-OX and AOP2, which is related to the production of gluconapin by side modification, was noted in seeds at both stages. Interestingly, the expression of GS biosynthetic genes was higher in the silique wall compared with that in the seed albeit lower content of GS existed in the silique wall than in the seed. Combined with the higher expression of transporter genes GTRs in silique walls than in seeds, it was proposed that the transportation of GS from the silique wall to the seed is an important source for seed GS accumulation. In addition, genes related to GS degradation expressed abundantly in the seed at the early cotyledonary-embryo stage indicating its potential role in balancing seed GS content. CONCLUSIONS Two stages including the torpedo-embryo and the early cotyledonary-embryo stage were identified as crucial in GS accumulation during seed development. Moreover, we confirmed the transportation of GS from the silique wall to the seed and proposed possible sidechain modification of GS biosynthesis may exist during seed formation.
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Affiliation(s)
- Yijiao Zhao
- College of Horticulture, Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
| | - Zeyuan Chen
- College of Horticulture, Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
- Joint FAFU-Dalhousie Lab, College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
| | - Jiaxuan Chen
- Joint FAFU-Dalhousie Lab, College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
| | - Bingxing Chen
- Joint FAFU-Dalhousie Lab, College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
| | - Weiling Tang
- College of Horticulture, Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
| | - Xiaodong Chen
- College of Horticulture, Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
| | - Zhongxiong Lai
- College of Horticulture, Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
| | - Rongfang Guo
- College of Horticulture, Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
- Joint FAFU-Dalhousie Lab, College of Horticulture, Fujian Agriculture and Forestry University, Fuzhou, 350002 China
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6
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Mertens D, Bouwmeester K, Poelman EH. Intraspecific variation in plant-associated herbivore communities is phylogenetically structured in Brassicaceae. Ecol Lett 2021; 24:2314-2327. [PMID: 34331409 PMCID: PMC9291228 DOI: 10.1111/ele.13852] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 04/14/2021] [Accepted: 07/05/2021] [Indexed: 11/30/2022]
Abstract
As a result of co‐evolution between plants and herbivores, related plants often interact with similar herbivore communities. Variation in plant–herbivore interactions is determined by variation in underlying functional traits and by ecological and stochastic processes. Hence, typically, only a subset of possible interactions is realised on individual plants. We show that insect herbivore communities assembling on individual plants are structured by plant phylogeny among 12 species in two phylogenetic lineages of Brassicaceae. This community sorting to plant phylogeny was retained when splitting the community according to herbivore feeding guilds. Relative abundance of herbivores as well as the size of the community structured community dissimilarity among plant species. Importantly, the amount of intraspecific variation in realised plant–herbivore interactions is also phylogenetically structured. We argue that variability in realised interactions that are not directly structured by plant traits is ecologically relevant and must be considered in the evolution of plant defences.
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Affiliation(s)
- Daan Mertens
- Laboratory of Entomology, Wageningen University and Research, Wageningen, The Netherlands
| | - Klaas Bouwmeester
- Biosystematics Group, Wageningen University and Research, Wageningen, The Netherlands
| | - Erik H Poelman
- Laboratory of Entomology, Wageningen University and Research, Wageningen, The Netherlands
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7
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Katz E, Li JJ, Jaegle B, Ashkenazy H, Abrahams SR, Bagaza C, Holden S, Pires CJ, Angelovici R, Kliebenstein DJ. Genetic variation, environment and demography intersect to shape Arabidopsis defense metabolite variation across Europe. eLife 2021; 10:67784. [PMID: 33949309 PMCID: PMC8205490 DOI: 10.7554/elife.67784] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 05/02/2021] [Indexed: 12/03/2022] Open
Abstract
Plants produce diverse metabolites to cope with the challenges presented by complex and ever-changing environments. These challenges drive the diversification of specialized metabolites within and between plant species. However, we are just beginning to understand how frequently new alleles arise controlling specialized metabolite diversity and how the geographic distribution of these alleles may be structured by ecological and demographic pressures. Here, we measure the variation in specialized metabolites across a population of 797 natural Arabidopsis thaliana accessions. We show that a combination of geography, environmental parameters, demography and different genetic processes all combine to influence the specific chemotypes and their distribution. This showed that causal loci in specialized metabolism contain frequent independently generated alleles with patterns suggesting potential within-species convergence. This provides a new perspective about the complexity of the selective forces and mechanisms that shape the generation and distribution of allelic variation that may influence local adaptation. Since plants cannot move, they have evolved chemical defenses to help them respond to changes in their surroundings. For example, where animals run from predators, plants may produce toxins to put predators off. This approach is why plants are such a rich source of drugs, poisons, dyes and other useful substances. The chemicals plants produce are known as specialized metabolites, and they can change a lot between, and even within, plant species. The variety of specialized metabolites is a result of genetic changes and evolution over millions of years. Evolution is a slow process, yet plants are able to rapidly develop new specialized metabolites to protect them from new threats. Even different populations of the same species produce many distinct metabolites that help them survive in their surroundings. However, the factors that lead plants to produce new metabolites are not well understood, and it is not known how this affects genetic variation. To gain a better understanding of this process, Katz et al. studied 797 European variants of a common weed species called Arabidopsis thaliana, which is widely studied. The investigation found that many factors affect the range of specialized metabolites in each variant. These included local geography and environment, as well as genetics and population history (demography). Katz et al. revealed a pattern of relationships between the variants that could mirror their evolutionary history as the species spread and adapted to new locations. These results highlight the complex network of factors that affect plant evolution. Rapid diversification is key to plant survival in new and changing environments and has resulted in a wide range of specialized metabolites. As such they are of interest both for studying plant evolution and for understanding their ecology. Expanding similar work to more populations and other species will broaden the scope of our ability to understand how plants adapt to their surroundings.
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Affiliation(s)
- Ella Katz
- Department of Plant Sciences, University of California, Davis, Davis, United States
| | - Jia-Jie Li
- Department of Plant Sciences, University of California, Davis, Davis, United States
| | - Benjamin Jaegle
- Gregor Mendel Institute, Austrian Academy of Sciences, Vienna Biocenter (VBC), Vienna, Austria
| | - Haim Ashkenazy
- Department of Molecular Biology, Max Planck Institute for Developmental Biology, Tübingen, Germany
| | - Shawn R Abrahams
- Division of Biological Sciences, Bond Life Sciences Center, University of Missouri, Columbia, United States
| | - Clement Bagaza
- Division of Biological Sciences, Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, United States
| | - Samuel Holden
- Division of Biological Sciences, Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, United States
| | - Chris J Pires
- Division of Biological Sciences, Bond Life Sciences Center, University of Missouri, Columbia, United States
| | - Ruthie Angelovici
- Division of Biological Sciences, Interdisciplinary Plant Group, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, United States
| | - Daniel J Kliebenstein
- Department of Plant Sciences, University of California, Davis, Davis, United States.,DynaMo Center of Excellence, University of Copenhagen, Frederiksberg, Denmark
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8
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Agerbirk N, Hansen CC, Kiefer C, Hauser TP, Ørgaard M, Asmussen Lange CB, Cipollini D, Koch MA. Comparison of glucosinolate diversity in the crucifer tribe Cardamineae and the remaining order Brassicales highlights repetitive evolutionary loss and gain of biosynthetic steps. PHYTOCHEMISTRY 2021; 185:112668. [PMID: 33743499 DOI: 10.1016/j.phytochem.2021.112668] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 01/05/2021] [Accepted: 01/09/2021] [Indexed: 06/12/2023]
Abstract
We review glucosinolate (GSL) diversity and analyze phylogeny in the crucifer tribe Cardamineae as well as selected species from Brassicaceae (tribe Brassiceae) and Resedaceae. Some GSLs occur widely, while there is a scattered distribution of many less common GSLs, tentatively sorted into three classes: ancient, intermediate and more recently evolved. The number of conclusively identified GSLs in the tribe (53 GSLs) constitute 60% of all GSLs known with certainty from any plant (89 GSLs) and apparently unique GSLs in the tribe constitute 10 of those GSLs conclusively identified (19%). Intraspecific, qualitative GSL polymorphism is known from at least four species in the tribe. The most ancient GSL biosynthesis in Brassicales probably involved biosynthesis from Phe, Val, Leu, Ile and possibly Trp, and hydroxylation at the β-position. From a broad comparison of families in Brassicales and tribes in Brassicaceae, we estimate that a common ancestor of the tribe Cardamineae and the family Brassicaceae exhibited GSL biosynthesis from Phe, Val, Ile, Leu, possibly Tyr, Trp and homoPhe (ancient GSLs), as well as homologs of Met and possibly homoIle (intermediate age GSLs). From the comparison of phylogeny and GSL diversity, we also suggest that hydroxylation and subsequent methylation of indole GSLs and usual modifications of Met-derived GSLs (formation of sulfinyls, sulfonyls and alkenyls) occur due to conserved biochemical mechanisms and was present in a common ancestor of the family. Apparent loss of homologs of Met as biosynthetic precursors was deduced in the entire genus Barbarea and was frequent in Cardamine (e.g. C. pratensis, C. diphylla, C. concatenata, possibly C. amara). The loss was often associated with appearance of significant levels of unique or rare GSLs as well as recapitulation of ancient types of GSLs. Biosynthetic traits interpreted as de novo evolution included hydroxylation at rare positions, acylation at the thioglucose and use of dihomoIle and possibly homoIle as biosynthetic precursors. Biochemical aspects of the deduced evolution are discussed and testable hypotheses proposed. Biosyntheses from Val, Leu, Ile, Phe, Trp, homoPhe and homologs of Met are increasingly well understood, while GSL biosynthesis from mono- and dihomoIle is poorly understood. Overall, interpretation of known diversity suggests that evolution of GSL biosynthesis often seems to recapitulate ancient biosynthesis. In contrast, unprecedented GSL biosynthetic innovation seems to be rare.
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Affiliation(s)
- Niels Agerbirk
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg C, Denmark.
| | - Cecilie Cetti Hansen
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg C, Denmark
| | - Christiane Kiefer
- Department of Biodiversity and Plant Systematics, Centre for Organismal Studies, Heidelberg University, 69120, Heidelberg, Germany
| | - Thure P Hauser
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg C, Denmark
| | - Marian Ørgaard
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg C, Denmark
| | - Conny Bruun Asmussen Lange
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg C, Denmark
| | - Don Cipollini
- Department of Biological Sciences, Wright State University, 3640 Colonel Glenn Highway, Dayton, OH, 45435, USA
| | - Marcus A Koch
- Department of Biodiversity and Plant Systematics, Centre for Organismal Studies, Heidelberg University, 69120, Heidelberg, Germany
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