1
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Wu S, Morotti ALM, Yang J, Wang E, Tatsis EC. Single-cell RNA sequencing facilitates the elucidation of the complete biosynthesis of the antidepressant hyperforin in St. John's wort. MOLECULAR PLANT 2024; 17:1439-1457. [PMID: 39135343 DOI: 10.1016/j.molp.2024.08.003] [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: 07/25/2024] [Revised: 08/05/2024] [Accepted: 08/07/2024] [Indexed: 08/27/2024]
Abstract
Hyperforin is the compound responsible for the effectiveness of St. John's wort (Hypericum perforatum) as an antidepressant, but its complete biosynthetic pathway remains unknown. Gene discovery based on co-expression analysis of bulk RNA-sequencing data or genome mining failed to discover the missing steps in hyperforin biosynthesis. In this study, we sequenced the 1.54-Gb tetraploid H. perforatum genome assembled into 32 chromosomes with the scaffold N50 value of 42.44 Mb. By single-cell RNA sequencing, we identified a type of cell, "Hyper cells", wherein hyperforin biosynthesis de novo takes place in both the leaves and flowers. Through pathway reconstitution in yeast and tobacco, we identified and characterized four transmembrane prenyltransferases (HpPT1-4) that are localized at the plastid envelope and complete the hyperforin biosynthetic pathway. The hyperforin polycyclic scaffold is created by a reaction cascade involving an irregular isoprenoid coupling and a tandem cyclization. Our findings reveal how and where hyperforin is biosynthesized, enabling synthetic-biology reconstitution of the complete pathway. Thus, this study not only deepens our comprehension of specialized metabolism at the cellular level but also provides strategic guidance for elucidation of the biosynthetic pathways of other specializied metabolites in plants.
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Affiliation(s)
- Song Wu
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; University of Chinese Academy of Sciences, Shanghai 200032, China
| | - Ana Luisa Malaco Morotti
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Jun Yang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Ertao Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China
| | - Evangelos C Tatsis
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, China; CEPAMS - CAS-JIC Centre of Excellence for Plant and Microbial Science, Shanghai 200032, China.
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2
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de Matos JP, Ribeiro DF, da Silva AK, de Paula CH, Cordeiro IF, Lemes CGDC, Sanchez AB, Rocha LCM, Garcia CCM, Almeida NF, Alves RM, de Abreu VAC, Varani AM, Moreira LM. Diversity and potential functional role of phyllosphere-associated actinomycetota isolated from cupuassu (Theobroma grandiflorum) leaves: implications for ecosystem dynamics and plant defense strategies. Mol Genet Genomics 2024; 299:73. [PMID: 39066857 DOI: 10.1007/s00438-024-02162-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 06/25/2024] [Indexed: 07/30/2024]
Abstract
Exploring the intricate relationships between plants and their resident microorganisms is crucial not only for developing new methods to improve disease resistance and crop yields but also for understanding their co-evolutionary dynamics. Our research delves into the role of the phyllosphere-associated microbiome, especially Actinomycetota species, in enhancing pathogen resistance in Theobroma grandiflorum, or cupuassu, an agriculturally valuable Amazonian fruit tree vulnerable to witches' broom disease caused by Moniliophthora perniciosa. While breeding resistant cupuassu genotypes is a possible solution, the capacity of the Actinomycetota phylum to produce beneficial metabolites offers an alternative approach yet to be explored in this context. Utilizing advanced long-read sequencing and metagenomic analysis, we examined Actinomycetota from the phyllosphere of a disease-resistant cupuassu genotype, identifying 11 Metagenome-Assembled Genomes across eight genera. Our comparative genomic analysis uncovered 54 Biosynthetic Gene Clusters related to antitumor, antimicrobial, and plant growth-promoting activities, alongside cutinases and type VII secretion system-associated genes. These results indicate the potential of phyllosphere-associated Actinomycetota in cupuassu for inducing resistance or antagonism against pathogens. By integrating our genomic discoveries with the existing knowledge of cupuassu's defense mechanisms, we developed a model hypothesizing the synergistic or antagonistic interactions between plant and identified Actinomycetota during plant-pathogen interactions. This model offers a framework for understanding the intricate dynamics of microbial influence on plant health. In conclusion, this study underscores the significance of the phyllosphere microbiome, particularly Actinomycetota, in the broader context of harnessing microbial interactions for plant health. These findings offer valuable insights for enhancing agricultural productivity and sustainability.
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Affiliation(s)
- Jéssica Pereira de Matos
- Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | - Dilson Fagundes Ribeiro
- Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | - Ana Karla da Silva
- Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | - Camila Henriques de Paula
- Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | - Isabella Ferreira Cordeiro
- Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | | | - Angélica Bianchini Sanchez
- Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | | | - Camila Carrião Machado Garcia
- Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
- Departamento de Ciências Biológicas, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil
| | - Nalvo F Almeida
- Faculdade de Computação, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil
| | | | | | - Alessandro M Varani
- Departamento de Biotecnologia Agropecuária e Ambiental, Faculdade de Ciências Agrárias e Veterinárias, Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil.
| | - Leandro Marcio Moreira
- Núcleo de Pesquisas em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil.
- Departamento de Ciências Biológicas, Instituto de Ciências Exatas e Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, MG, 35400-000, Brazil.
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3
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Han J, Miller EP, Li S. Cutting-edge plant natural product pathway elucidation. Curr Opin Biotechnol 2024; 87:103137. [PMID: 38677219 PMCID: PMC11192039 DOI: 10.1016/j.copbio.2024.103137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 04/12/2024] [Indexed: 04/29/2024]
Abstract
Plant natural products (PNPs) play important roles in plant physiology and have been applied across diverse fields of human society. Understanding their biosynthetic pathways informs plant evolution and meanwhile enables sustainable production through metabolic engineering. However, the discovery of PNP biosynthetic pathways remains challenging due to the diversity of enzymes involved and limitations in traditional gene mining approaches. In this review, we will summarize state-of-the-art strategies and recent examples for predicting and characterizing PNP biosynthetic pathways, respectively, with multiomics-guided tools and heterologous host systems and share our perspectives on the systematic pipelines integrating these various bioinformatic and biochemical approaches.
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Affiliation(s)
- Jianing Han
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Emma Parker Miller
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, NY 14853, USA
| | - Sijin Li
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA.
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4
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Gaudet M, Pollegioni P, Ciolfi M, Mattioni C, Cherubini M, Beritognolo I. Identification of a Unique Genomic Region in Sweet Chestnut ( Castanea sativa Mill.) That Controls Resistance to Asian Chestnut Gall Wasp Dryocosmus kuriphilus Yasumatsu. PLANTS (BASEL, SWITZERLAND) 2024; 13:1355. [PMID: 38794426 PMCID: PMC11125237 DOI: 10.3390/plants13101355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/07/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024]
Abstract
The Asian chestnut gall wasp (ACGW) (Hymenoptera Dryocosmus kuriphilus Yasumatsu) is a severe pest of sweet chestnut (Castanea sativa Mill.) with a strong impact on growth and nut production. A comparative field trial in Central Italy, including provenances from Spain, Italy, and Greece, was screened for ACGW infestation over consecutive years. The Greek provenance Hortiatis expressed a high proportion of immune plants and was used to perform a genome-wide association study based on DNA pool sequencing (Pool-GWAS) by comparing two DNA pools from 25 susceptible and 25 resistant plants. DNA pools were sequenced with 50X coverage depth. Sequence reads were aligned to a C. mollissima reference genome and the pools were compared to identify SNPs associated with resistance. Twenty-one significant SNPs were identified and highlighted a small genomic region on pseudochromosome 3 (Chr 3), containing 12 candidate genes of three gene families: Cytochrome P450, UDP-glycosyltransferase, and Rac-like GTP-binding protein. Functional analyses revealed a putative metabolic gene cluster related to saccharide biosynthesis in the genomic regions associated with resistance that could be involved in the production of a toxic metabolite against parasites. The comparison with previous genetic studies confirmed the involvement of Chr 3 in the control of resistance to ACGW.
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Affiliation(s)
- Muriel Gaudet
- CNR Istituto di Ricerca Sugli Ecosistemi Terrestri IRET, Via Guglielmo Marconi, 2, 05010 Porano, TR, Italy; (P.P.); (M.C.); (C.M.); (M.C.)
| | | | | | | | | | - Isacco Beritognolo
- CNR Istituto di Ricerca Sugli Ecosistemi Terrestri IRET, Via Guglielmo Marconi, 2, 05010 Porano, TR, Italy; (P.P.); (M.C.); (C.M.); (M.C.)
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5
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Yuan X, Li R, He W, Xu W, Xu W, Yan G, Xu S, Chen L, Feng Y, Li H. Progress in Identification of UDP-Glycosyltransferases for Ginsenoside Biosynthesis. JOURNAL OF NATURAL PRODUCTS 2024; 87:1246-1267. [PMID: 38449105 DOI: 10.1021/acs.jnatprod.3c00630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Ginsenosides, the primary pharmacologically active constituents of the Panax genus, have demonstrated a variety of medicinal properties, including anticardiovascular disease, cytotoxic, antiaging, and antidiabetes effects. However, the low concentration of ginsenosides in plants and the challenges associated with their extraction impede the advancement and application of ginsenosides. Heterologous biosynthesis represents a promising strategy for the targeted production of these natural active compounds. As representative triterpenoids, the biosynthetic pathway of the aglycone skeletons of ginsenosides has been successfully decoded. While the sugar moiety is vital for the structural diversity and pharmacological activity of ginsenosides, the mining of uridine diphosphate-dependent glycosyltransferases (UGTs) involved in ginsenoside biosynthesis has attracted a lot of attention and made great progress in recent years. In this paper, we summarize the identification and functional study of UGTs responsible for ginsenoside synthesis in both plants, such as Panax ginseng and Gynostemma pentaphyllum, and microorganisms including Bacillus subtilis and Saccharomyces cerevisiae. The UGT-related microbial cell factories for large-scale ginsenoside production are also mentioned. Additionally, we delve into strategies for UGT mining, particularly potential rapid screening or identification methods, providing insights and prospects. This review provides insights into the study of other unknown glycosyltransferases as candidate genetic elements for the heterologous biosynthesis of rare ginsenosides.
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Affiliation(s)
- Xiaoxuan Yuan
- Institute of Structural Pharmacology & TCM Chemical Biology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Ruiqiong Li
- College of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Weishen He
- Department of Biology, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Wei Xu
- Institute of Structural Pharmacology & TCM Chemical Biology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Wen Xu
- Innovation and Transformation Center, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Guohong Yan
- Pharmacy Department, People's Hospital Affiliated to Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350004, China
| | - Shaohua Xu
- Institute of Structural Pharmacology & TCM Chemical Biology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
- State Key Laboratory of Dao-di Herbs, Beijing 100700, China
| | - Lixia Chen
- Institute of Structural Pharmacology & TCM Chemical Biology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, Liaoning 110016, China
| | - Yaqian Feng
- Innovation and Transformation Center, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
| | - Hua Li
- Institute of Structural Pharmacology & TCM Chemical Biology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China
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6
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Rampelli S, Gallois S, D’Amico F, Turroni S, Fabbrini M, Scicchitano D, Candela M, Henry A. The gut microbiome of Baka forager-horticulturalists from Cameroon is optimized for wild plant foods. iScience 2024; 27:109211. [PMID: 38433907 PMCID: PMC10904984 DOI: 10.1016/j.isci.2024.109211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/21/2023] [Accepted: 02/07/2024] [Indexed: 03/05/2024] Open
Abstract
The human gut microbiome is losing biodiversity, due to the "microbiome modernization process" that occurs with urbanization. To keep track of it, here we applied shotgun metagenomics to the gut microbiome of the Baka, a group of forager-horticulturalists from Cameroon, who combine hunting and gathering with growing a few crops and working for neighboring Bantu-speaking farmers. We analyzed the gut microbiome of individuals with different access to and use of wild plant and processed foods, to explore the variation of their gut microbiome along the cline from hunter-gatherer to agricultural subsistence patterns. We found that 26 species-level genome bins from our cohort were pivotal for the degradation of the wild plant food substrates. These microbes include Old Friend species and are encoded for genes that are no longer present in industrialized gut microbiome. Our results highlight the potential relevance of these genes to human biology and health, in relation to lifestyle.
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Affiliation(s)
- Simone Rampelli
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum – University of Bologna, 40126 Bologna, Italy
| | - Sandrine Gallois
- Department of Archaeological Sciences, Faculty of Archaeology, Leiden University, 2311 Leiden, the Netherlands
- Institute of Environmental Science and Technology, ST, 08193 Bellaterra, Spain
| | - Federica D’Amico
- Microbiomics Unit, Department of Medical and Surgical Sciences (DiMeC), Alma Mater Studiorum – University of Bologna, 40138 Bologna, Italy
| | - Silvia Turroni
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum – University of Bologna, 40126 Bologna, Italy
| | - Marco Fabbrini
- Microbiomics Unit, Department of Medical and Surgical Sciences (DiMeC), Alma Mater Studiorum – University of Bologna, 40138 Bologna, Italy
| | - Daniel Scicchitano
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum – University of Bologna, 40126 Bologna, Italy
| | - Marco Candela
- Unit of Microbiome Science and Biotechnology, Department of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum – University of Bologna, 40126 Bologna, Italy
| | - Amanda Henry
- Department of Archaeological Sciences, Faculty of Archaeology, Leiden University, 2311 Leiden, the Netherlands
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7
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Wu M, Northen TR, Ding Y. Stressing the importance of plant specialized metabolites: omics-based approaches for discovering specialized metabolism in plant stress responses. FRONTIERS IN PLANT SCIENCE 2023; 14:1272363. [PMID: 38023861 PMCID: PMC10663375 DOI: 10.3389/fpls.2023.1272363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 10/24/2023] [Indexed: 12/01/2023]
Abstract
Plants produce a diverse range of specialized metabolites that play pivotal roles in mediating environmental interactions and stress adaptation. These unique chemical compounds also hold significant agricultural, medicinal, and industrial values. Despite the expanding knowledge of their functions in plant stress interactions, understanding the intricate biosynthetic pathways of these natural products remains challenging due to gene and pathway redundancy, multifunctionality of proteins, and the activity of enzymes with broad substrate specificity. In the past decade, substantial progress in genomics, transcriptomics, metabolomics, and proteomics has made the exploration of plant specialized metabolism more feasible than ever before. Notably, recent advances in integrative multi-omics and computational approaches, along with other technologies, are accelerating the discovery of plant specialized metabolism. In this review, we present a summary of the recent progress in the discovery of plant stress-related specialized metabolites. Emphasis is placed on the application of advanced omics-based approaches and other techniques in studying plant stress-related specialized metabolism. Additionally, we discuss the high-throughput methods for gene functional characterization. These advances hold great promise for harnessing the potential of specialized metabolites to enhance plant stress resilience in the future.
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Affiliation(s)
- Mengxi Wu
- College of Landscape Architecture, Sichuan Agricultural University, Chengdu, China
| | - Trent R. Northen
- Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
| | - Yezhang Ding
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
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8
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Shen S, Wang S, Yang C, Wang C, Zhou Q, Zhou S, Zhang R, Li Y, Wang Z, Dai L, Peng W, Hao Y, Guo H, Cao G, Liu X, Yao F, Xu Q, Fernie AR, Luo J. Elucidation of the melitidin biosynthesis pathway in pummelo. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2023; 65:2505-2518. [PMID: 37675654 DOI: 10.1111/jipb.13564] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 09/06/2023] [Indexed: 09/08/2023]
Abstract
Specialized plant metabolism is a rich resource of compounds for drug discovery. The acylated flavonoid glycoside melitidin is being developed as an anti-cholesterol statin drug candidate, but its biosynthetic route in plants has not yet been fully characterized. Here, we describe the gene discovery and functional characterization of a new flavonoid gene cluster (UDP-glucuronosyltransferases (CgUGTs), 1,2 rhamnosyltransferase (Cg1,2RhaT), acyltransferases (CgATs)) that is responsible for melitidin biosynthesis in pummelo (Citrus grandis (L.) Osbeck). Population variation analysis indicated that the tailoring of acyltransferases, specific for bitter substrates, mainly determine the natural abundance of melitidin. Moreover, 3-hydroxy-3-methylglutaryl-CoA reductase enzyme inhibition assays showed that the product from this metabolic gene cluster, melitidin, may be an effective anti-cholesterol statin drug candidate. Co-expression of these clustered genes in Nicotiana benthamiana resulted in the formation of melitidin, demonstrating the potential for metabolic engineering of melitidin in a heterologous plant system. This study establishes a biosynthetic pathway for melitidin, which provides genetic resources for the breeding and genetic improvement of pummelo aimed at fortifying the content of biologically active metabolites.
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Affiliation(s)
- Shuangqian Shen
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Shouchuang Wang
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Chenkun Yang
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Chao Wang
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Qianqian Zhou
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Shen Zhou
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Ran Zhang
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Yufei Li
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Zixuan Wang
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Liupan Dai
- Hubei Hongshan Laboratory, College of Life Science and Technology, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, China
| | - Wenjv Peng
- National Key Laboratory of Crop Genetic Improvement, National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, 430070, China
| | - Yingchen Hao
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Hao Guo
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Guangping Cao
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Xianqing Liu
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
| | - Fan Yao
- Hubei Hongshan Laboratory, College of Life Science and Technology, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, 430070, China
| | - Qiang Xu
- Key Laboratory of Horticultural Plant Biology of Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, China
| | - Alisdair R Fernie
- Max Planck Institute of Molecular Plant Physiology, Potsdam-Golm, 14476, Germany
- Centre of Plant Systems Biology and Biotechnology, Plovdiv, 4000, Bulgaria
| | - Jie Luo
- Sanya Nanfan Research Institute of Hainan University, Hainan University, Sanya, 572025, China
- Yazhouwan National Laboratory, Sanya, 572025, China
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9
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Dinday S, Ghosh S. Recent advances in triterpenoid pathway elucidation and engineering. Biotechnol Adv 2023; 68:108214. [PMID: 37478981 DOI: 10.1016/j.biotechadv.2023.108214] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 07/23/2023]
Abstract
Triterpenoids are among the most assorted class of specialized metabolites found in all the taxa of living organisms. Triterpenoids are the leading active ingredients sourced from plant species and are utilized in pharmaceutical and cosmetic industries. The triterpenoid precursor 2,3-oxidosqualene, which is biosynthesized via the mevalonate (MVA) pathway is structurally diversified by the oxidosqualene cyclases (OSCs) and other scaffold-decorating enzymes such as cytochrome P450 monooxygenases (P450s), UDP-glycosyltransferases (UGTs) and acyltransferases (ATs). A majority of the bioactive triterpenoids are harvested from the native hosts using the traditional methods of extraction and occasionally semi-synthesized. These methods of supply are time-consuming and do not often align with sustainability goals. Recent advancements in metabolic engineering and synthetic biology have shown prospects for the green routes of triterpenoid pathway reconstruction in heterologous hosts such as Escherichia coli, Saccharomyces cerevisiae and Nicotiana benthamiana, which appear to be quite promising and might lead to the development of alternative source of triterpenoids. The present review describes the biotechnological strategies used to elucidate complex biosynthetic pathways and to understand their regulation and also discusses how the advances in triterpenoid pathway engineering might aid in the scale-up of triterpenoid production in engineered hosts.
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Affiliation(s)
- Sandeep Dinday
- CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Uttar Pradesh, India; School of Agricultural Biotechnology, Punjab Agricultural University, Ludhiana 141004, Punjab, India
| | - Sumit Ghosh
- CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow 226015, Uttar Pradesh, India; Academy of Scientific and Innovative Research, Ghaziabad 201002, Uttar Pradesh, India.
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10
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Polturak G, Misra RC, El-Demerdash A, Owen C, Steed A, McDonald HP, Wang J, Saalbach G, Martins C, Chartrain L, Wilkinson B, Nicholson P, Osbourn A. Discovery of isoflavone phytoalexins in wheat reveals an alternative route to isoflavonoid biosynthesis. Nat Commun 2023; 14:6977. [PMID: 37914713 PMCID: PMC10620232 DOI: 10.1038/s41467-023-42464-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/12/2023] [Indexed: 11/03/2023] Open
Abstract
Isoflavones are a group of phenolic compounds mostly restricted to plants of the legume family, where they mediate important interactions with plant-associated microbes, including in defense from pathogens and in nodulation. Their well-studied health promoting attributes have made them a prime target for metabolic engineering, both for bioproduction of isoflavones as high-value molecules, and in biofortification of food crops. A key gene in their biosynthesis, isoflavone synthase, was identified in legumes over two decades ago, but little is known about formation of isoflavones outside of this family. Here we identify a specialized wheat-specific isoflavone synthase, TaCYP71F53, which catalyzes a different reaction from the leguminous isoflavone synthases, thus revealing an alternative path to isoflavonoid biosynthesis and providing a non-transgenic route for engineering isoflavone production in wheat. TaCYP71F53 forms part of a biosynthetic gene cluster that produces a naringenin-derived O-methylated isoflavone, 5-hydroxy-2',4',7-trimethoxyisoflavone, triticein. Pathogen-induced production and in vitro antimicrobial activity of triticein suggest a defense-related role for this molecule in wheat. Genomic and metabolic analyses of wheat ancestral grasses further show that the triticein gene cluster was introduced into domesticated emmer wheat through natural hybridization ~9000 years ago, and encodes a pathogen-responsive metabolic pathway that is conserved in modern bread wheat varieties.
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Affiliation(s)
- Guy Polturak
- Biochemistry and Metabolism Department, John Innes Centre, Norwich, NR4 7UH, UK.
- Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, Rehovot, 7610001, Israel.
| | | | - Amr El-Demerdash
- Biochemistry and Metabolism Department, John Innes Centre, Norwich, NR4 7UH, UK
- Division of Organic Chemistry, Department of Chemistry, School of Sciences, Mansoura University, Mansoura, 35516, Egypt
| | - Charlotte Owen
- Biochemistry and Metabolism Department, John Innes Centre, Norwich, NR4 7UH, UK
| | - Andrew Steed
- Crop Genetics Department, John Innes Centre, Norwich, NR4 7UH, UK
| | - Hannah P McDonald
- Molecular Microbiology Department, John Innes Centre, Norwich, NR4 7UH, UK
| | - JiaoJiao Wang
- Biochemistry and Metabolism Department, John Innes Centre, Norwich, NR4 7UH, UK
- Tsinghua-Peking Joint Center for Life Sciences, and School of Life Sciences, Tsinghua University, Beijing, 100084, China
| | | | - Carlo Martins
- Proteomics Facility, John Innes Centre, Norwich, NR4 7UH, UK
| | | | - Barrie Wilkinson
- Molecular Microbiology Department, John Innes Centre, Norwich, NR4 7UH, UK
| | - Paul Nicholson
- Crop Genetics Department, John Innes Centre, Norwich, NR4 7UH, UK
| | - Anne Osbourn
- Biochemistry and Metabolism Department, John Innes Centre, Norwich, NR4 7UH, UK.
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11
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Shelake RM, Jadhav AM, Bhosale PB, Kim JY. Unlocking secrets of nature's chemists: Potential of CRISPR/Cas-based tools in plant metabolic engineering for customized nutraceutical and medicinal profiles. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 203:108070. [PMID: 37816270 DOI: 10.1016/j.plaphy.2023.108070] [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: 07/18/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 10/12/2023]
Abstract
Plant species have evolved diverse metabolic pathways to effectively respond to internal and external signals throughout their life cycle, allowing adaptation to their sessile and phototropic nature. These pathways selectively activate specific metabolic processes, producing plant secondary metabolites (PSMs) governed by genetic and environmental factors. Humans have utilized PSM-enriched plant sources for millennia in medicine and nutraceuticals. Recent technological advances have significantly contributed to discovering metabolic pathways and related genes involved in the biosynthesis of specific PSM in different food crops and medicinal plants. Consequently, there is a growing demand for plant materials rich in nutrients and bioactive compounds, marketed as "superfoods". To meet the industrial demand for superfoods and therapeutic PSMs, modern methods such as system biology, omics, synthetic biology, and genome editing (GE) play a crucial role in identifying the molecular players, limiting steps, and regulatory circuitry involved in PSM production. Among these methods, clustered regularly interspaced short palindromic repeats-CRISPR associated protein (CRISPR/Cas) is the most widely used system for plant GE due to its simple design, flexibility, precision, and multiplexing capabilities. Utilizing the CRISPR-based toolbox for metabolic engineering (ME) offers an ideal solution for developing plants with tailored preventive (nutraceuticals) and curative (therapeutic) metabolic profiles in an ecofriendly way. This review discusses recent advances in understanding the multifactorial regulation of metabolic pathways, the application of CRISPR-based tools for plant ME, and the potential research areas for enhancing plant metabolic profiles.
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Affiliation(s)
- Rahul Mahadev Shelake
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 52828, Republic of Korea.
| | - Amol Maruti Jadhav
- Research Institute of Green Energy Convergence Technology (RIGET), Gyeongsang National University, 501 Jinju-daero, Jinju, 52828, Republic of Korea
| | - Pritam Bhagwan Bhosale
- Department of Veterinary Medicine, Research Institute of Life Science, Gyeongsang National University, 501 Jinju-daero, Jinju, 52828, Republic of Korea
| | - Jae-Yean Kim
- Division of Applied Life Science (BK21 Four Program), Plant Molecular Biology and Biotechnology Research Center, Gyeongsang National University, Jinju, 52828, Republic of Korea; Division of Life Science, Gyeongsang National University, 501 Jinju-daero, Jinju, 52828, Republic of Korea; Nulla Bio Inc, 501 Jinju-daero, Jinju, 52828, Republic of Korea.
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12
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Wolters PJ, Wouters D, Tikunov YM, Ayilalath S, Kodde LP, Strijker MF, Caarls L, Visser RGF, Vleeshouwers VGAA. Tetraose steroidal glycoalkaloids from potato provide resistance against Alternaria solani and Colorado potato beetle. eLife 2023; 12:RP87135. [PMID: 37751372 PMCID: PMC10522338 DOI: 10.7554/elife.87135] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023] Open
Abstract
Plants with innate disease and pest resistance can contribute to more sustainable agriculture. Natural defence compounds produced by plants have the potential to provide a general protective effect against pathogens and pests, but they are not a primary target in resistance breeding. Here, we identified a wild relative of potato, Solanum commersonii, that provides us with unique insight in the role of glycoalkaloids in plant immunity. We cloned two atypical resistance genes that provide resistance to Alternaria solani and Colorado potato beetle through the production of tetraose steroidal glycoalkaloids (SGA). Moreover, we provide in vitro evidence to show that these compounds have potential against a range of different (potato pathogenic) fungi. This research links structural variation in SGAs to resistance against potato diseases and pests. Further research on the biosynthesis of plant defence compounds in different tissues, their toxicity, and the mechanisms for detoxification, can aid the effective use of such compounds to improve sustainability of our food production.
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Affiliation(s)
| | - Doret Wouters
- Wageningen University and ResearchWageningenNetherlands
| | | | | | - Linda P Kodde
- Wageningen University and ResearchWageningenNetherlands
| | | | - Lotte Caarls
- Wageningen University and ResearchWageningenNetherlands
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13
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Wu Y, Liu C, Koganitsky A, Gong FL, Li S. Discovering Dynamic Plant Enzyme Complexes in Yeast for Kratom Alkaloid Pathway Identification. Angew Chem Int Ed Engl 2023; 62:e202307995. [PMID: 37549372 PMCID: PMC10530425 DOI: 10.1002/anie.202307995] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/24/2023] [Accepted: 08/07/2023] [Indexed: 08/09/2023]
Abstract
Discovering natural product biosynthetic pathways of medicinal plants is challenging and laborious. Capturing the coregulation patterns of pathway enzymes, particularly transcriptomic regulation, has proven an effective method to accelerate pathway identification. In this study, we developed a yeast-based screening method to capture the protein-protein interactions (PPI) between plant enzymes, which is another useful pattern to complement the prevalent approach. Combining this method with plant multiomics analysis, we discovered four enzyme complexes and their organized pathways from kratom, an alkaloid-producing plant. The four pathway branches involved six enzymes, including a strictosidine synthase, a strictosidine β-D-glucosidase (MsSGD), and four medium-chain dehydrogenase/reductases (MsMDRs). PPI screening selected six MsMDRs interacting with MsSGD from 20 candidates predicted by multiomics analysis. Four of the six MsMDRs were then characterized as functional, indicating the high selectivity of the PPI screening method. This study highlights the opportunity of leveraging post-translational regulation features to discover novel plant natural product biosynthetic pathways.
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Affiliation(s)
- Yinan Wu
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, 14853, Ithaca, NY, USA
| | - Chang Liu
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, 14853, Ithaca, NY, USA
| | - Anna Koganitsky
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, 14853, Ithaca, NY, USA
| | - Franklin L Gong
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, 14853, Ithaca, NY, USA
| | - Sijin Li
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, 14853, Ithaca, NY, USA
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14
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Siadjeu C, Pucker B. Medicinal plant genomics. BMC Genomics 2023; 24:429. [PMID: 37528364 PMCID: PMC10391748 DOI: 10.1186/s12864-023-09542-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 07/28/2023] [Indexed: 08/03/2023] Open
Abstract
Recent developments in plant genomics have enabled a comprehensive analysis of the medicinal potential of plants based on their gene repertoire. Genes of biosynthesis pathways can be discovered through comparative genomics and through integration of transcriptomic data. Data-driven discovery of specialized metabolites could accelerate research.
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Affiliation(s)
- Christian Siadjeu
- Prinzessin Therese Von Bayern Chair of Systematics, Biodiversity and Evolution of Plants, Ludwig Maximilian University Munich, 80638, Munich, Germany
| | - Boas Pucker
- Plant Biotechnology and Bioinformatics, Institute of Plant Biology & BRICS, TU Braunschweig, 38106, Braunschweig, Germany.
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15
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Negin B, Jander G. Convergent and divergent evolution of plant chemical defenses. CURRENT OPINION IN PLANT BIOLOGY 2023; 73:102368. [PMID: 37087925 DOI: 10.1016/j.pbi.2023.102368] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/06/2023] [Accepted: 03/22/2023] [Indexed: 05/03/2023]
Abstract
The majority of the several hundred thousand specialized metabolites produced by plants function in defense against insects and other herbivores. Despite this diversity, identical metabolites or structurally distinct metabolites hitting the same targets in herbivorous animals have evolved repeatedly. This convergent evolution may reflect the constraints of plant primary metabolism in providing metabolic precursors, as well as the limited number of readily accessible targets in animals. These restrictions may make it uncommon for plants to develop completely novel toxic and deterrent metabolites, despite the ongoing evolution of resistance mechanisms in insect herbivores. Defensive compounds that are unique to individual genera or species often have long biosynthetic pathways that may complicate the repeated evolution of these metabolites in different plant species.
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Affiliation(s)
- Boaz Negin
- Boyce Thompson Institute, Ithaca, NY, 14853, USA
| | - Georg Jander
- Boyce Thompson Institute, Ithaca, NY, 14853, USA.
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16
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Toppo P, Kagatay LL, Gurung A, Singla P, Chakraborty R, Roy S, Mathur P. Endophytic fungi mediates production of bioactive secondary metabolites via modulation of genes involved in key metabolic pathways and their contribution in different biotechnological sector. 3 Biotech 2023; 13:191. [PMID: 37197561 PMCID: PMC10183385 DOI: 10.1007/s13205-023-03605-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 05/03/2023] [Indexed: 05/19/2023] Open
Abstract
Endophytic fungi stimulate the production of an enormous number of bioactive metabolites in medicinal plants and affect the different steps of biosynthetic pathways of these secondary metabolites. Endophytic fungi possess a number of biosynthetic gene clusters that possess genes for various enzymes, transcription factors, etc., in their genome responsible for the production of secondary metabolites. Additionally, endophytic fungi also modulate the expression of various genes responsible for the synthesis of key enzymes involved in metabolic pathways of such as HMGR, DXR, etc. involved in the production of a large number of phenolic compounds as well as regulate the expression of genes involved in the production of alkaloids and terpenoids in different plants. This review aims to provide a comprehensive overview of gene expression related to endophytes and their impact on metabolic pathways. Additionally, this review will emphasize the studies done to isolate these secondary metabolites from endophytic fungi in large quantities and assess their bioactivity. Due to ease in synthesis of secondary metabolites and their huge application in the medical industry, these bioactive metabolites are now being extracted from strains of these endophytic fungi commercially. Apart from their application in the pharmaceutical industry, most of these metabolites extracted from endophytic fungi also possess plant growth-promoting ability, bioremediation potential, novel bio control agents, sources of anti-oxidants, etc. The review will comprehensively shed a light on the biotechnological application of these fungal metabolites at the industrial level.
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Affiliation(s)
- Prabha Toppo
- Microbiology Laboratory, Department of Botany, University of North Bengal, Rajarammohunpur, Dist. Darjeeling, Siliguri, West Bengal India
| | - Lahasang Lamu Kagatay
- Microbiology Laboratory, Department of Botany, University of North Bengal, Rajarammohunpur, Dist. Darjeeling, Siliguri, West Bengal India
| | - Ankita Gurung
- Microbiology Laboratory, Department of Botany, University of North Bengal, Rajarammohunpur, Dist. Darjeeling, Siliguri, West Bengal India
| | - Priyanka Singla
- Department of Botany, Mount Carmel College, Bengaluru, Karnataka India
| | - Rakhi Chakraborty
- Department of Botany, Acharya Prafulla Chandra Roy Government College, Dist. Darjeeling, Siliguri, West Bengal India
| | - Swarnendu Roy
- Plant Biochemistry Laboratory, Department of Botany, University of North Bengal, Rajarammohunpur, Dist. Darjeeling, Siliguri, West Bengal India
| | - Piyush Mathur
- Microbiology Laboratory, Department of Botany, University of North Bengal, Rajarammohunpur, Dist. Darjeeling, Siliguri, West Bengal India
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17
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Palos K, Yu L, Railey CE, Nelson Dittrich AC, Nelson ADL. Linking discoveries, mechanisms, and technologies to develop a clearer perspective on plant long noncoding RNAs. THE PLANT CELL 2023; 35:1762-1786. [PMID: 36738093 PMCID: PMC10226578 DOI: 10.1093/plcell/koad027] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 12/19/2022] [Accepted: 12/22/2022] [Indexed: 05/30/2023]
Abstract
Long noncoding RNAs (lncRNAs) are a large and diverse class of genes in eukaryotic genomes that contribute to a variety of regulatory processes. Functionally characterized lncRNAs play critical roles in plants, ranging from regulating flowering to controlling lateral root formation. However, findings from the past decade have revealed that thousands of lncRNAs are present in plant transcriptomes, and characterization has lagged far behind identification. In this setting, distinguishing function from noise is challenging. However, the plant community has been at the forefront of discovery in lncRNA biology, providing many functional and mechanistic insights that have increased our understanding of this gene class. In this review, we examine the key discoveries and insights made in plant lncRNA biology over the past two and a half decades. We describe how discoveries made in the pregenomics era have informed efforts to identify and functionally characterize lncRNAs in the subsequent decades. We provide an overview of the functional archetypes into which characterized plant lncRNAs fit and speculate on new avenues of research that may uncover yet more archetypes. Finally, this review discusses the challenges facing the field and some exciting new molecular and computational approaches that may help inform lncRNA comparative and functional analyses.
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Affiliation(s)
- Kyle Palos
- Boyce Thompson Institute, Cornell University, Ithaca, NY 14853, USA
| | - Li’ang Yu
- Boyce Thompson Institute, Cornell University, Ithaca, NY 14853, USA
| | - Caylyn E Railey
- Boyce Thompson Institute, Cornell University, Ithaca, NY 14853, USA
- Plant Biology Graduate Field, Cornell University, Ithaca, NY 14853, USA
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18
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Akone S, Hug JJ, Kaur A, Garcia R, Müller R. Structure Elucidation and Biosynthesis of Nannosterols A and B, Myxobacterial Sterols from Nannocystis sp. MNa10993. JOURNAL OF NATURAL PRODUCTS 2023; 86:915-923. [PMID: 37011180 PMCID: PMC10152446 DOI: 10.1021/acs.jnatprod.2c01143] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Indexed: 05/04/2023]
Abstract
Myxobacteria represent an underinvestigated source of chemically diverse and biologically active secondary metabolites. Here, we report the discovery, isolation, structure elucidation, and biological evaluation of two new bacterial sterols, termed nannosterols A and B (1, 2), from the terrestrial myxobacterium Nannocystis sp. (MNa10993). Nannosterols feature a cholestanol core with numerous modifications including a secondary alcohol at position C-15, a terminal vicinal diol side chain at C-24-C-25 (1, 2), and a hydroxy group at the angular methyl group at C-18 (2), which is unprecedented for bacterial sterols. Another rare chemical feature of bacterial triterpenoids is a ketone group at position C-7, which is also displayed by 1 and 2. The combined exploration based on myxobacterial high-resolution secondary metabolome data and genomic in silico investigations exposed the nannosterols as frequently produced sterols within the myxobacterial suborder of Nannocystineae. The discovery of the nannosterols provides insights into the biosynthesis of these new myxobacterial sterols, with implications in understanding the evolution of sterol production by prokaryotes.
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Affiliation(s)
- Sergi
H. Akone
- Helmholtz-Institute
for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for
Infection Research (HZI), Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- Department
of Pharmacy, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- German
Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany
- Helmholtz
International Laboratories, Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- Department
of Chemistry, Faculty of Science, University
of Douala, P.O. Box 24157, Douala, Cameroon
| | - Joachim J. Hug
- Helmholtz-Institute
for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for
Infection Research (HZI), Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- Department
of Pharmacy, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- German
Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany
- Helmholtz
International Laboratories, Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
| | - Amninder Kaur
- Helmholtz-Institute
for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for
Infection Research (HZI), Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- Department
of Pharmacy, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- German
Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany
- Helmholtz
International Laboratories, Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
| | - Ronald Garcia
- Helmholtz-Institute
for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for
Infection Research (HZI), Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- Department
of Pharmacy, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- German
Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany
- Helmholtz
International Laboratories, Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
| | - Rolf Müller
- Helmholtz-Institute
for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for
Infection Research (HZI), Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- Department
of Pharmacy, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
- German
Center for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany
- Helmholtz
International Laboratories, Department of Microbial Natural Products, Saarland University, Campus E8 1, 66123 Saarbrücken, Germany
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19
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Johnson AR, Yue Y, Carey SB, Park SJ, Kruse LH, Bao A, Pasha A, Harkess A, Provart NJ, Moghe GD, Frank MH. Chromosome-level Genome Assembly of Euphorbia peplus, a Model System for Plant Latex, Reveals that Relative Lack of Ty3 Transposons Contributed to Its Small Genome Size. Genome Biol Evol 2023; 15:evad018. [PMID: 36757383 PMCID: PMC10018070 DOI: 10.1093/gbe/evad018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 01/20/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
Euphorbia peplus (petty spurge) is a small, fast-growing plant that is native to Eurasia and has become a naturalized weed in North America and Australia. Euphorbia peplus is not only medicinally valuable, serving as a source for the skin cancer drug ingenol mebutate, but also has great potential as a model for latex production owing to its small size, ease of manipulation in the laboratory, and rapid reproductive cycle. To help establish E. peplus as a new model, we generated a 267.2-Mb Hi-C-anchored PacBio HiFi nuclear genome assembly with a BUSCO score of 98.5%, a genome annotation based on RNA-seq data from six organs, and publicly accessible tools including a genome browser and an interactive organ-specific expression atlas. Chromosome number is highly variable across Euphorbia species. Using a comparative analysis of our newly sequenced E. peplus genome with other Euphorbiaceae genomes, we show that variation in Euphorbia chromosome number between E. peplus and Euphorbia lathyris is likely due to fragmentation and rearrangement rather than chromosomal duplication followed by diploidization of the duplicated sequence. Moreover, we found that the E. peplus genome is relatively compact compared with related members of the genus in part due to restricted expansion of the Ty3 transposon family. Finally, we identify a large gene cluster that contains many previously identified enzymes in the putative ingenol mebutate biosynthesis pathway, along with additional gene candidates for this biosynthetic pathway. The genomic resources we have created for E. peplus will help advance research on latex production and ingenol mebutate biosynthesis in the commercially important Euphorbiaceae family.
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Affiliation(s)
- Arielle R Johnson
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York
| | - Yuanzheng Yue
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York
| | - Sarah B Carey
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama
| | - Se Jin Park
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York
| | - Lars H Kruse
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York
| | - Ashley Bao
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York
| | - Asher Pasha
- Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario, Canada
| | - Alex Harkess
- HudsonAlpha Institute for Biotechnology, Huntsville, Alabama
| | - Nicholas J Provart
- Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario, Canada
| | - Gaurav D Moghe
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York
| | - Margaret H Frank
- Plant Biology Section, School of Integrative Plant Science, Cornell University, Ithaca, New York
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20
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Gamit HA, Naik H, Chandarana KA, Chandwani S, Amaresan N. Secondary metabolites from methylotrophic bacteria: their role in improving plant growth under a stressed environment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:28563-28574. [PMID: 36710311 DOI: 10.1007/s11356-023-25505-8] [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: 11/14/2022] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
Climate change is considered a natural disaster that causes the ecosystem to fluctuate and increase temperature, as well as the amount of UV radiation (UV-A and UV-B) on the Earth's surface. Consequently, greenhouse gases such as chlorofluorocarbons, methane, nitrogen oxide, and carbon dioxide have become obstacles to the development of sustainable agriculture. To overcome environmental stress such as phytopathogens, drought, salinity, heavy metals, and high-low temperatures, the utilization of microorganisms is a viable option. The synthesis of secondary metabolites by methylotrophic bacteria improves plant metabolism, enhances tolerance, and facilitates growth. The genus Methylobacterium is a pink-pigmented facultative methylotrophs which abundantly colonizes plants, especially young leaves, owing to the availability of methanol. Secondary metabolites such as amino acids, carotenoids, hormones, antimicrobial compounds, and other compounds produced by methylotrophic bacteria enhance plant metabolism under stress conditions. Therefore, in this review, we discuss the role of secondary metabolites produced by methylotrophic bacteria and their role in promoting plant growth under stress.
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Affiliation(s)
- Harshida A Gamit
- C. G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli, Surat, 394 350, Gujarat, India
| | - Hetvi Naik
- C. G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli, Surat, 394 350, Gujarat, India
| | - Komal A Chandarana
- C. G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli, Surat, 394 350, Gujarat, India
| | - Sapna Chandwani
- C. G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli, Surat, 394 350, Gujarat, India
| | - Natarajan Amaresan
- C. G. Bhakta Institute of Biotechnology, Uka Tarsadia University, Maliba Campus, Bardoli, Surat, 394 350, Gujarat, India.
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21
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Zhang F, Wang M, Wang GL, Ning Y, Wang R. Insights into metabolite biosynthesis and regulation in rice immune signaling. Trends Microbiol 2023; 31:225-228. [PMID: 36535835 DOI: 10.1016/j.tim.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022]
Abstract
Plant metabolites are critical components of immune signaling pathways; however, how these small molecules contribute to plant immunity remains largely elusive. Emerging evidence demonstrates that the rice nucleotide-binding leucine-rich repeat receptor (NLR)-interacting proteins regulate the biosynthesis of ethylene, hydroxycinnamoylputrescines and diterpenoid phytoalexins to modulate plant immunity.
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Affiliation(s)
- Fan Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Min Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Guo-Liang Wang
- Department of Plant Pathology, Ohio State University, Columbus, OH 43210, USA
| | - Yuese Ning
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Ruyi Wang
- 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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22
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Wang Z, Nelson DR, Zhang J, Wan X, Peters RJ. Plant (di)terpenoid evolution: from pigments to hormones and beyond. Nat Prod Rep 2023; 40:452-469. [PMID: 36472136 PMCID: PMC9945934 DOI: 10.1039/d2np00054g] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Covering: up to 2014-2022.Diterpenoid biosynthesis in plants builds on the necessary production of (E,E,E)-geranylgeranyl diphosphate (GGPP) for photosynthetic pigment production, with diterpenoid biosynthesis arising very early in land plant evolution, enabling stockpiling of the extensive arsenal of (di)terpenoid natural products currently observed in this kingdom. This review will build upon that previously published in the Annual Review of Plant Biology, with a stronger focus on enzyme structure-function relationships, as well as additional insights into the evolution of (di)terpenoid metabolism since generated.
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Affiliation(s)
- Zhibiao Wang
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing 100029, China.,Roy J. Carver Department of Biochemistry, Biophysics & Molecular Biology, Iowa State University, Ames, IA 50014, USA.
| | - David R Nelson
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163, USA
| | - Juan Zhang
- Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, Research Center of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Xiangyuan Wan
- Zhongzhi International Institute of Agricultural Biosciences, Shunde Innovation School, Research Center of Biology and Agriculture, University of Science and Technology Beijing, Beijing 100024, China.
| | - Reuben J Peters
- Roy J. Carver Department of Biochemistry, Biophysics & Molecular Biology, Iowa State University, Ames, IA 50014, USA.
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23
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Hayashi K, Alseekh S, Fernie AR. Genetic and epigenetic control of the plant metabolome. Proteomics 2023:e2200104. [PMID: 36781168 DOI: 10.1002/pmic.202200104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 02/06/2023] [Accepted: 02/07/2023] [Indexed: 02/15/2023]
Abstract
Plant metabolites are mainly produced through chemical reactions catalysed by enzymes encoded in the genome. Mutations in enzyme-encoding or transcription factor-encoding genes can alter the metabolome by changing the enzyme's catalytic activity or abundance, respectively. Insertion of transposable elements into non-coding regions has also been reported to affect transcription and ultimately metabolite content. In addition to genetic mutations, transgenerational epigenetic variations have also been found to affect metabolic content by controlling the transcription of metabolism-related genes. However, the majority of cases reported so far, in which epigenetic mechanisms are associated with metabolism, are non-transgenerational, and are triggered by developmental signals or environmental stress. Although, accumulating research has provided evidence of strong genetic control of the metabolome, epigenetic control has been largely untouched. Here, we provide a review of the genetic and epigenetic control of metabolism with a focus on epigenetics. We discuss both transgenerational and non-transgenerational epigenetic marks regulating metabolism as well as prospects of the field of metabolic control where intricate interactions between genetics and epigenetics are involved.
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Affiliation(s)
- Koki Hayashi
- Max-Planck-Institute of Molecular Plant Physiology, Potsdam-Golm, Germany
| | - Saleh Alseekh
- Max-Planck-Institute of Molecular Plant Physiology, Potsdam-Golm, Germany.,Center for Plant Systems Biology and Biotechnology, Plovdiv, Bulgaria
| | - Alisdair R Fernie
- Max-Planck-Institute of Molecular Plant Physiology, Potsdam-Golm, Germany.,Center for Plant Systems Biology and Biotechnology, Plovdiv, Bulgaria
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24
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Padgitt-Cobb LK, Pitra NJ, Matthews PD, Henning JA, Hendrix DA. An improved assembly of the "Cascade" hop ( Humulus lupulus) genome uncovers signatures of molecular evolution and refines time of divergence estimates for the Cannabaceae family. HORTICULTURE RESEARCH 2023; 10:uhac281. [PMID: 36818366 PMCID: PMC9930403 DOI: 10.1093/hr/uhac281] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 12/22/2022] [Indexed: 06/16/2023]
Abstract
We present a chromosome-level assembly of the Cascade hop (Humulus lupulus L. var. lupulus) genome. The hop genome is large (2.8 Gb) and complex, and early attempts at assembly were fragmented. Recent advances have made assembly of the hop genome more tractable, transforming the extent of investigation that can occur. The chromosome-level assembly of Cascade was developed by scaffolding the previously reported Cascade assembly generated with PacBio long-read sequencing and polishing with Illumina short-read DNA sequencing. We developed gene models and repeat annotations and used a controlled bi-parental mapping population to identify significant sex-associated markers. We assessed molecular evolution in gene sequences, gene family expansion and contraction, and time of divergence from Cannabis sativa and other closely related plant species using Bayesian inference. We identified the putative sex chromosome in the female genome based on significant sex-associated markers from the bi-parental mapping population. While the estimate of repeat content (~64%) is similar to the estimate for the hemp genome, syntenic blocks in hop contain a greater percentage of LTRs. Hop is enriched for disease resistance-associated genes in syntenic gene blocks and expanded gene families. The Cascade chromosome-level assembly will inform cultivation strategies and serve to deepen our understanding of the hop genomic landscape, benefiting hop researchers and the Cannabaceae genomics community.
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Affiliation(s)
- Lillian K Padgitt-Cobb
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, Oregon, USA
| | - Nicholi J Pitra
- Department of Research and Development, Hopsteiner, S.S. Steiner, Inc., 1 West Washington Avenue, Yakima, Washington 98903, USA
| | - Paul D Matthews
- Department of Research and Development, Hopsteiner, S.S. Steiner, Inc., 1 West Washington Avenue, Yakima, Washington 98903, USA
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25
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Wu Y, Gong FL, Li S. Leveraging yeast to characterize plant biosynthetic gene clusters. CURRENT OPINION IN PLANT BIOLOGY 2023; 71:102314. [PMID: 36463029 PMCID: PMC10664738 DOI: 10.1016/j.pbi.2022.102314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 06/17/2023]
Abstract
Plant biosynthetic gene clusters (BGCs) contain multiple physically clustered non-homologous genes that encode enzymes catalyzing diverse reactions in one plant natural product biosynthetic pathway. A growing number of plant BGCs have emerged as an underlying resource for understanding plant specialized metabolism and evolution, but the characterization remains challenging. Recent studies have demonstrated that baker's yeast can serve as a versatile platform for the characterization of plant BGCs, from single-gene characterization to multiple genes and hitherto unknown putative BGC validation and elucidation. In this review, we will summarize the strategies and examples of the applications of yeast in plant BGC characterization and share our perspective on the development of a systematic pipeline to fully leverage yeast to advance the understanding of plant BGCs and plant natural product biomanufacturing.
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Affiliation(s)
- Yinan Wu
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Franklin L Gong
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Sijin Li
- Robert F. Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA.
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26
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Bryson AE, Lanier ER, Lau KH, Hamilton JP, Vaillancourt B, Mathieu D, Yocca AE, Miller GP, Edger PP, Buell CR, Hamberger B. Uncovering a miltiradiene biosynthetic gene cluster in the Lamiaceae reveals a dynamic evolutionary trajectory. Nat Commun 2023; 14:343. [PMID: 36670101 PMCID: PMC9860074 DOI: 10.1038/s41467-023-35845-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 01/04/2023] [Indexed: 01/22/2023] Open
Abstract
The spatial organization of genes within plant genomes can drive evolution of specialized metabolic pathways. Terpenoids are important specialized metabolites in plants with diverse adaptive functions that enable environmental interactions. Here, we report the genome assemblies of Prunella vulgaris, Plectranthus barbatus, and Leonotis leonurus. We investigate the origin and subsequent evolution of a diterpenoid biosynthetic gene cluster (BGC) together with other seven species within the Lamiaceae (mint) family. Based on core genes found in the BGCs of all species examined across the Lamiaceae, we predict a simplified version of this cluster evolved in an early Lamiaceae ancestor. The current composition of the extant BGCs highlights the dynamic nature of its evolution. We elucidate the terpene backbones generated by the Callicarpa americana BGC enzymes, including miltiradiene and the terpene (+)-kaurene, and show oxidization activities of BGC cytochrome P450s. Our work reveals the fluid nature of BGC assembly and the importance of genome structure in contributing to the origin of metabolites.
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Affiliation(s)
- Abigail E Bryson
- Department of Biochemistry, Michigan State University, East Lansing, MI, USA
| | - Emily R Lanier
- Department of Biochemistry, Michigan State University, East Lansing, MI, USA
| | - Kin H Lau
- Department of Plant Biology, Michigan State University, East Lansing, MI, USA
- Bioinformatics and Biostatistics Core, Van Andel Institute, Grand Rapids, MI, USA
| | - John P Hamilton
- Department of Plant Biology, Michigan State University, East Lansing, MI, USA
- Center for Applied Genetic Technologies, University of Georgia, Athens, GA, USA
| | - Brieanne Vaillancourt
- Department of Plant Biology, Michigan State University, East Lansing, MI, USA
- Center for Applied Genetic Technologies, University of Georgia, Athens, GA, USA
| | - Davis Mathieu
- Department of Biochemistry, Michigan State University, East Lansing, MI, USA
| | - Alan E Yocca
- Department of Plant Biology, Michigan State University, East Lansing, MI, USA
- Department of Horticulture, Michigan State University, East Lansing, MI, USA
| | - Garret P Miller
- Department of Biochemistry, Michigan State University, East Lansing, MI, USA
| | - Patrick P Edger
- Department of Horticulture, Michigan State University, East Lansing, MI, USA
| | - C Robin Buell
- Department of Plant Biology, Michigan State University, East Lansing, MI, USA
- Plant Resilience Institute, Michigan State University, East Lansing, MI, USA
| | - Björn Hamberger
- Department of Biochemistry, Michigan State University, East Lansing, MI, USA.
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27
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Smith DJ. From Genome Mining to Protein Engineering: A Structural Bioinformatics Route. Methods Mol Biol 2023; 2553:79-94. [PMID: 36227540 DOI: 10.1007/978-1-0716-2617-7_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
This chapter outlines applications in genome mining, along with computational methods to predict protein structure and protein-ligand docking. It offers a simple computational route to rapidly identify proteins of interest from genomic and proteomic data, to accurately predict their three-dimensional structures, and to dock small molecules to their binding pockets and strategies to improve their biophysical properties depending on the needs of the experimental researcher.
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Affiliation(s)
- Derek J Smith
- Singapore Institute for Food and Biotechnology Innovation (SIFBI), Singapore, Singapore.
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28
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Pucker B, Iorizzo M. Apiaceae FNS I originated from F3H through tandem gene duplication. PLoS One 2023; 18:e0280155. [PMID: 36656808 PMCID: PMC9851555 DOI: 10.1371/journal.pone.0280155] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 12/21/2022] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Flavonoids are specialized metabolites with numerous biological functions in stress response and reproduction of plants. Flavones are one subgroup that is produced by the flavone synthase (FNS). Two distinct enzyme families evolved that can catalyze the biosynthesis of flavones. While the membrane-bound FNS II is widely distributed in seed plants, one lineage of soluble FNS I appeared to be unique to Apiaceae species. RESULTS We show through phylogenetic and comparative genomic analyses that Apiaceae FNS I evolved through tandem gene duplication of flavanone 3-hydroxylase (F3H) followed by neofunctionalization. Currently available datasets suggest that this event happened within the Apiaceae in a common ancestor of Daucus carota and Apium graveolens. The results also support previous findings that FNS I in the Apiaceae evolved independent of FNS I in other plant species. CONCLUSION We validated a long standing hypothesis about the evolution of Apiaceae FNS I and predicted the phylogenetic position of this event. Our results explain how an Apiaceae-specific FNS I lineage evolved and confirm independence from other FNS I lineages reported in non-Apiaceae species.
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Affiliation(s)
- Boas Pucker
- Institute of Plant Biology, TU Braunschweig, Braunschweig, Germany
- BRICS, TU Braunschweig, Braunschweig, Germany
- * E-mail: (BP); (MI)
| | - Massimo Iorizzo
- Plants for Human Health Institute, NC State University, Kannapolis, North Carolina, United States of America
- Department of Horticultural Science, NC State University, Raleigh, North Carolina, United States of America
- * E-mail: (BP); (MI)
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29
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Wang ZF, Rouard M, Droc G, Heslop-Harrison P(JS, Ge XJ. Genome assembly of Musa beccarii shows extensive chromosomal rearrangements and genome expansion during evolution of Musaceae genomes. Gigascience 2022; 12:giad005. [PMID: 36807539 PMCID: PMC9941839 DOI: 10.1093/gigascience/giad005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2022] [Revised: 11/24/2022] [Accepted: 01/27/2023] [Indexed: 02/23/2023] Open
Abstract
BACKGROUND Musa beccarii (Musaceae) is a banana species native to Borneo, sometimes grown as an ornamental plant. The basic chromosome number of Musa species is x = 7, 10, or 11; however, M. beccarii has a basic chromosome number of x = 9 (2n = 2x = 18), which is the same basic chromosome number of species in the sister genera Ensete and Musella. Musa beccarii is in the section Callimusa, which is sister to the section Musa. We generated a high-quality chromosome-scale genome assembly of M. beccarii to better understand the evolution and diversity of genomes within the family Musaceae. FINDINGS The M. beccarii genome was assembled by long-read and Hi-C sequencing, and genes were annotated using both long Iso-seq and short RNA-seq reads. The size of M. beccarii was the largest among all known Musaceae assemblies (∼570 Mbp) due to the expansion of transposable elements and increased 45S ribosomal DNA sites. By synteny analysis, we detected extensive genome-wide chromosome fusions and fissions between M. beccarii and the other Musa and Ensete species, far beyond those expected from differences in chromosome number. Within Musaceae, M. beccarii showed a reduced number of terpenoid synthase genes, which are related to chemical defense, and enrichment in lipid metabolism genes linked to the physical defense of the cell wall. Furthermore, type III polyketide synthase was the most abundant biosynthetic gene cluster (BGC) in M. beccarii. BGCs were not conserved in Musaceae genomes. CONCLUSIONS The genome assembly of M. beccarii is the first chromosome-scale genome assembly in the Callimusa section in Musa, which provides an important genetic resource that aids our understanding of the evolution of Musaceae genomes and enhances our knowledge of the pangenome.
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Affiliation(s)
- Zheng-Feng Wang
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
- Key Laboratory of Vegetation Restoration and Management of Degraded Ecosystems, Key Laboratory of Carbon Sequestration in Terrestrial Ecosystem, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
| | - Mathieu Rouard
- Bioversity International, Parc Scientifique Agropolis II, 34397 Montpellier, France
| | - Gaetan Droc
- CIRAD, UMR AGAP Institut, F-34398 Montpellier, France
- UMR AGAP Institut, Univ Montpellier, CIRAD, INRAE, Institut Agro, Montpellier, France
| | - Pat (J S) Heslop-Harrison
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
- Department of Genetics and Genome Biology, University of Leicester, Leicester LE1 7RH, UK
| | - Xue-Jun Ge
- Guangdong Provincial Key Laboratory of Applied Botany, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
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30
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Zhan C, Lei L, Guo H, Zhou S, Xu C, Liu Z, Wu Z, Deng Y, Miao Y, Han Y, Zhang M, Li H, Huang S, Yang C, Zhang F, Li Y, Liu L, Liu X, Abbas HMK, Fernie AR, Yuan M, Luo J. Disease resistance conferred by components of essential chrysanthemum oil and the epigenetic regulation of OsTPS1. SCIENCE CHINA LIFE SCIENCES 2022; 66:1108-1118. [PMID: 36462108 DOI: 10.1007/s11427-022-2241-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 11/10/2022] [Indexed: 12/04/2022]
Abstract
The sesquiterpene alpha-bisabolol is the predominant active ingredient in essential oils that are highly valued in the cosmetics industry due to its wound healing, anti-inflammatory, and skin-soothing properties. Alpha-bisabolol was thought to be restricted to Compositae plants. Here we reveal that alpha-bisabolol is also synthesized in rice, a non-Compositae plant, where it acts as a novel sesquiterpene phytoalexin. Overexpressing the gene responsible for the biosynthesis of alpha-bisabolol, OsTPS1, conferred bacterial blight resistance in rice. Phylogenomic analyses revealed that alpha-bisabolol-synthesizing enzymes in rice and Compositae evolved independently. Further experiments demonstrated that the natural variation in the disease resistance level was associated with differential transcription of OsTPS1 due to polymorphisms in its promoter. We demonstrated that OsTPS1 was regulated at the epigenetic level by JMJ705 through the methyl jasmonate pathway. These data reveal the cross-family accumulation and regulatory mechanisms of alpha-bisabolol production.
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31
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Herbgenomics: Decipher molecular genetics of medicinal plants. Innovation (N Y) 2022; 3:100322. [PMID: 36199278 PMCID: PMC9529535 DOI: 10.1016/j.xinn.2022.100322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/09/2022] [Indexed: 11/22/2022] Open
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32
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Conneely LJ, Berkowitz O, Lewsey MG. Emerging trends in genomic and epigenomic regulation of plant specialised metabolism. PHYTOCHEMISTRY 2022; 203:113427. [PMID: 36087823 DOI: 10.1016/j.phytochem.2022.113427] [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: 04/04/2022] [Revised: 08/23/2022] [Accepted: 09/02/2022] [Indexed: 06/15/2023]
Abstract
Regulation of specialised metabolism genes is multilayered and complex, influenced by an array of genomic, epigenetic and epigenomic mechanisms. Here, we review the most recent knowledge in this field, drawing from discoveries in several plant species. Our aim is to improve understanding of how plant genome structure and function influence specialised metabolism. We also highlight key areas for future exploration. Gene regulatory mechanisms influencing specialised metabolism include gene duplication and neo-functionalization, conservation of operon-like clusters of specialised metabolism genes, local chromatin modifications, and the organisation of higher order chromatin structures within the nucleus. Genomic and epigenomic research to-date in the discipline have focused on a relatively small number of plant species, primarily at whole organ or tissue level. This is largely due to the technical demands of the experimental methods needed. However, a high degree of cell-type specificity of function exists in specialised metabolism, driven by similarly specific gene regulation. In this review we focus on the genomic characteristics of genes that are found in different types of clusters within the genome. We propose that acquisition of cell-resolution epigenomic datasets in emerging models, such as the glandular trichomes of Cannabis sativa, will yield important advances. Data such as chromatin accessibility and histone modification profiles can pinpoint which regulatory sequences are active in individual cell types and at specific times in development. These could provide fundamental biological insight as well as novel targets for genetic engineering and crop improvement.
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Affiliation(s)
- Lee J Conneely
- La Trobe Institute for Agriculture and Food, La Trobe University, AgriBio Building, Bundoora, VIC, 3086, Australia; Australian Research Council Research Hub for Medicinal Agriculture, La Trobe University, AgriBio Building, Bundoora, VIC, 3086, Australia
| | - Oliver Berkowitz
- La Trobe Institute for Agriculture and Food, La Trobe University, AgriBio Building, Bundoora, VIC, 3086, Australia; Australian Research Council Research Hub for Medicinal Agriculture, La Trobe University, AgriBio Building, Bundoora, VIC, 3086, Australia
| | - Mathew G Lewsey
- La Trobe Institute for Agriculture and Food, La Trobe University, AgriBio Building, Bundoora, VIC, 3086, Australia; Australian Research Council Research Hub for Medicinal Agriculture, La Trobe University, AgriBio Building, Bundoora, VIC, 3086, Australia.
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33
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Zhan C, Shen S, Yang C, Liu Z, Fernie AR, Graham IA, Luo J. Plant metabolic gene clusters in the multi-omics era. TRENDS IN PLANT SCIENCE 2022; 27:981-1001. [PMID: 35365433 DOI: 10.1016/j.tplants.2022.03.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 02/02/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
Secondary metabolism in plants gives rise to a vast array of small-molecule natural products. The discovery of operon-like gene clusters in plants has provided a new perspective on the evolution of specialized metabolism and the opportunity to rapidly advance the metabolic engineering of natural product production. Here, we review historical aspects of the study of plant metabolic gene clusters as well as general strategies for identifying plant metabolic gene clusters in the multi-omics era. We also emphasize the exploration of their natural variation and evolution, as well as new strategies for the prospecting of plant metabolic gene clusters and a deeper understanding of how their structure influences their function.
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Affiliation(s)
- Chuansong Zhan
- College of Tropical Crops, Hainan University, Haikou 570228, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China
| | - Shuangqian Shen
- College of Tropical Crops, Hainan University, Haikou 570228, China; National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Chenkun Yang
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan 430070, China
| | - Zhenhua Liu
- Joint Center for Single Cell Biology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Alisdair R Fernie
- Max-Planck-Institut fur Molekulare Pflanzenphysiologie, Am Muhlenberg 1, 14476 Potsdam-Golm, Germany; Center of Plant Systems Biology and Biotechnology, 4000 Plovdiv, Bulgaria
| | - Ian A Graham
- Center for Novel Agricultural Products, Department of Biology, University of York, York, UK
| | - Jie Luo
- College of Tropical Crops, Hainan University, Haikou 570228, China; Sanya Nanfan Research Institute of Hainan University, Hainan Yazhou Bay Seed Laboratory, Sanya 572025, China.
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34
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Singh KS, van der Hooft JJJ, van Wees SCM, Medema MH. Integrative omics approaches for biosynthetic pathway discovery in plants. Nat Prod Rep 2022; 39:1876-1896. [PMID: 35997060 PMCID: PMC9491492 DOI: 10.1039/d2np00032f] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Indexed: 12/13/2022]
Abstract
Covering: up to 2022With the emergence of large amounts of omics data, computational approaches for the identification of plant natural product biosynthetic pathways and their genetic regulation have become increasingly important. While genomes provide clues regarding functional associations between genes based on gene clustering, metabolome mining provides a foundational technology to chart natural product structural diversity in plants, and transcriptomics has been successfully used to identify new members of their biosynthetic pathways based on coexpression. Thus far, most approaches utilizing transcriptomics and metabolomics have been targeted towards specific pathways and use one type of omics data at a time. Recent technological advances now provide new opportunities for integration of multiple omics types and untargeted pathway discovery. Here, we review advances in plant biosynthetic pathway discovery using genomics, transcriptomics, and metabolomics, as well as recent efforts towards omics integration. We highlight how transcriptomics and metabolomics provide complementary information to link genes to metabolites, by associating temporal and spatial gene expression levels with metabolite abundance levels across samples, and by matching mass-spectral features to enzyme families. Furthermore, we suggest that elucidation of gene regulatory networks using time-series data may prove useful for efforts to unwire the complexities of biosynthetic pathway components based on regulatory interactions and events.
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Affiliation(s)
- Kumar Saurabh Singh
- Bioinformatics Group, Wageningen University, Wageningen, The Netherlands.
- Plant-Microbe Interactions, Institute of Environmental Biology, Utrecht University, The Netherlands.
| | - Justin J J van der Hooft
- Bioinformatics Group, Wageningen University, Wageningen, The Netherlands.
- Department of Biochemistry, University of Johannesburg, Auckland Park, Johannesburg 2006, South Africa
| | - Saskia C M van Wees
- Plant-Microbe Interactions, Institute of Environmental Biology, Utrecht University, The Netherlands.
| | - Marnix H Medema
- Bioinformatics Group, Wageningen University, Wageningen, The Netherlands.
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35
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A gene cluster in Ginkgo biloba encodes unique multifunctional cytochrome P450s that initiate ginkgolide biosynthesis. Nat Commun 2022; 13:5143. [PMID: 36050299 PMCID: PMC9436924 DOI: 10.1038/s41467-022-32879-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 08/22/2022] [Indexed: 11/08/2022] Open
Abstract
The ginkgo tree (Ginkgo biloba) is considered a living fossil due to its 200 million year's history under morphological stasis. Its resilience is partly attributed to its unique set of specialized metabolites, in particular, ginkgolides and bilobalide, which are chemically complex terpene trilactones. Here, we use a gene cluster-guided mining approach in combination with co-expression analysis to reveal the primary steps in ginkgolide biosynthesis. We show that five multifunctional cytochrome P450s with atypical catalytic activities generate the tert-butyl group and one of the lactone rings, characteristic of all G. biloba trilactone terpenoids. The reactions include scarless C-C bond cleavage as well as carbon skeleton rearrangement (NIH shift) occurring on a previously unsuspected intermediate. The cytochrome P450s belong to CYP families that diversifies in pre-seed plants and gymnosperms, but are not preserved in angiosperms. Our work uncovers the early ginkgolide pathway and offers a glance into the biosynthesis of terpenoids of the Mesozoic Era.
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36
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Li CY, Yang L, Liu Y, Xu ZG, Gao J, Huang YB, Xu JJ, Fan H, Kong Y, Wei YK, Hu WL, Wang LJ, Zhao Q, Hu YH, Zhang YJ, Martin C, Chen XY. The sage genome provides insight into the evolutionary dynamics of diterpene biosynthesis gene cluster in plants. Cell Rep 2022; 40:111236. [PMID: 35977487 DOI: 10.1016/j.celrep.2022.111236] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 05/29/2022] [Accepted: 07/28/2022] [Indexed: 11/03/2022] Open
Abstract
The widely cultivated medicinal and ornamental plant sage (Salvia officinalis L.) is an evergreen shrub of the Lamiaceae family, native to the Mediterranean. We assembled a high-quality sage genome of 480 Mb on seven chromosomes, and identified a biosynthetic gene cluster (BGC) encoding two pairs of diterpene synthases (diTPSs) that, together with the cytochromes P450 (CYPs) genes located inside and outside the cluster, form two expression cascades responsible for the shoot and root diterpenoids, respectively, thus extending BGC functionality from co-regulation to orchestrating metabolite production in different organs. Phylogenomic analysis indicates that the Salvia clades diverged in the early Miocene. In East Asia, most Salvia species are herbaceous and accumulate diterpenoids in storage roots. Notably, in Chinese sage S. miltiorrhiza, the diterpene BGC has contracted and the shoot cascade has been lost. Our data provide genomic insights of micro-evolution of growth type-associated patterning of specialized metabolite production in plants.
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Affiliation(s)
- Chen-Yi Li
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Lei Yang
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yan Liu
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China; Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Zhou-Geng Xu
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Jian Gao
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Yan-Bo Huang
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Jing-Jing Xu
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Hang Fan
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yu Kong
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yu-Kun Wei
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Wen-Li Hu
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Ling-Jian Wang
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China
| | - Qing Zhao
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yong-Hong Hu
- Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China
| | - Yi-Jing Zhang
- State Key Laboratory of Genetic Engineering, Collaborative Innovation Center of Genetics and Development, Department of Biochemistry, Institute of Plant Biology, School of Life Sciences, Fudan University, Shanghai 200438, China
| | - Cathie Martin
- John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK
| | - Xiao-Ya Chen
- State Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences/Shanghai Institute of Plant Physiology and Ecology, University of CAS, Chinese Academy of Sciences, Fenglin Road 300, Shanghai 200032, China; Shanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Fenglin Road 300, Shanghai 201602, China.
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37
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Rivera-Chávez J, Ceapă CD, Figueroa M. Biological Dark Matter Exploration using Data Mining for the Discovery of Antimicrobial Natural Products. PLANTA MEDICA 2022; 88:702-720. [PMID: 35697058 DOI: 10.1055/a-1795-0562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The discovery of novel antimicrobials has significantly slowed down over the last three decades. At the same time, humans rely increasingly on antimicrobials because of the progressive antimicrobial resistance in medical practices, human communities, and the environment. Data mining is currently considered a promising option in the discovery of new antibiotics. Some of the advantages of data mining are the ability to predict chemical structures from sequence data, anticipation of the presence of novel metabolites, the understanding of gene evolution, and the corroboration of data from multiple omics technologies. This review analyzes the state-of-the-art for data mining in the fields of bacteria, fungi, and plant genomic data, as well as metabologenomics. It also summarizes some of the most recent research accomplishments in the field, all pinpointing to innovation through uncovering and implementing the next generation of antimicrobials.
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Affiliation(s)
- José Rivera-Chávez
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Corina-Diana Ceapă
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Mario Figueroa
- Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México, México
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38
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Drummond CP, Renner T. Genomic insights into the evolution of plant chemical defense. CURRENT OPINION IN PLANT BIOLOGY 2022; 68:102254. [PMID: 35777286 DOI: 10.1016/j.pbi.2022.102254] [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: 11/15/2021] [Revised: 04/22/2022] [Accepted: 05/26/2022] [Indexed: 06/15/2023]
Abstract
Plant trait evolution can be impacted by common mechanisms of genome evolution, including whole-genome and small-scale duplication, rearrangement, and selective pressures. With the increasing accessibility of genome sequencing for non-model species, comparative studies of trait evolution among closely related or divergent lineages have supported investigations into plant chemical defense. Plant defensive compounds include major chemical classes, such as terpenoids, alkaloids, and phenolics, and are used in primary and secondary plant functions. These include the promotion of plant health, facilitation of pollination, defense against pathogens, and responses to a rapidly changing climate. We discuss mechanisms of genome evolution and use examples from recent studies to impress a stronger understanding of the link between genotype and phenotype as it relates to the evolution of plant chemical defense. We conclude with considerations for how to leverage genomics, transcriptomics, metabolomics, and functional assays for studying the emergence and evolution of chemical defense systems.
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Affiliation(s)
- Chloe P Drummond
- The Pennsylvania State University, Department of Entomology, 501 ASI Building University Park, PA 16802, USA.
| | - Tanya Renner
- The Pennsylvania State University, Department of Entomology, 501 ASI Building University Park, PA 16802, USA
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39
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Smit SJ, Lichman BR. Plant biosynthetic gene clusters in the context of metabolic evolution. Nat Prod Rep 2022; 39:1465-1482. [PMID: 35441651 PMCID: PMC9298681 DOI: 10.1039/d2np00005a] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Indexed: 12/17/2022]
Abstract
Covering: up to 2022Plants produce a wide range of structurally and biosynthetically diverse natural products to interact with their environment. These specialised metabolites typically evolve in limited taxonomic groups presumably in response to specific selective pressures. With the increasing availability of sequencing data, it has become apparent that in many cases the genes encoding biosynthetic enzymes for specialised metabolic pathways are not randomly distributed on the genome. Instead they are physically linked in structures such as arrays, pairs and clusters. The exact function of these clusters is debated. In this review we take a broad view of gene arrangement in plant specialised metabolism, examining types of structures and variation. We discuss the evolution of biosynthetic gene clusters in the wider context of metabolism, populations and epigenetics. Finally, we synthesise our observations to propose a new hypothesis for biosynthetic gene cluster formation in plants.
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Affiliation(s)
- Samuel J Smit
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, YO10 5DD, UK.
| | - Benjamin R Lichman
- Centre for Novel Agricultural Products, Department of Biology, University of York, York, YO10 5DD, UK.
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40
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Sørensen M, Andersen-Ranberg J, Hankamer B, Møller BL. Circular biomanufacturing through harvesting solar energy and CO 2. TRENDS IN PLANT SCIENCE 2022; 27:655-673. [PMID: 35396170 DOI: 10.1016/j.tplants.2022.03.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 02/16/2022] [Accepted: 03/01/2022] [Indexed: 06/14/2023]
Abstract
Using synthetic biology, it is now time to expand the biosynthetic repertoire of plants and microalgae by utilizing the chloroplast to augment the production of desired high-value compounds and of oil-, carbohydrate-, or protein-enriched biomass based on direct harvesting of solar energy and the consumption of CO2. Multistream product lines based on separate commercialization of the isolated high-value compounds and of the improved bulk products increase the economic potential of the light-driven production system and accelerate commercial scale up. Here we outline the scientific basis for the establishment of such green circular biomanufacturing systems and highlight recent results that make this a realistic option based on cross-disciplinary basic and applied research to advance long-term solutions.
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Affiliation(s)
- Mette Sørensen
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Johan Andersen-Ranberg
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Ben Hankamer
- Institute of Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
| | - Birger Lindberg Møller
- Plant Biochemistry Laboratory, Department of Plant and Environmental Sciences, University of Copenhagen, Copenhagen, Denmark.
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41
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Zhao K, Rhee SY. Omics-guided metabolic pathway discovery in plants: Resources, approaches, and opportunities. CURRENT OPINION IN PLANT BIOLOGY 2022; 67:102222. [PMID: 35512431 DOI: 10.1016/j.pbi.2022.102222] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 01/30/2022] [Accepted: 03/25/2022] [Indexed: 05/28/2023]
Abstract
Plants produce a vast array of metabolites, the biosynthetic routes of which remain largely undetermined. Genome-scale enzyme and pathway annotations and omics technologies have revolutionized research to decrypt plant metabolism and produced a growing list of functionally characterized metabolic genes and pathways. However, what is known is still a tiny fraction of the metabolic capacity harbored by plants. Here, we review plant enzyme and pathway annotation resources and cutting-edge omics approaches to guide discovery and characterization of plant metabolic pathways. We also discuss strategies for improving enzyme function prediction by integrating protein 3D structure information and single cell omics. This review aims to serve as a primer for plant biologists to leverage omics datasets to facilitate understanding and engineering plant metabolism.
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Affiliation(s)
- Kangmei Zhao
- Carnegie Institution for Science, Department of Plant Biology, Stanford, CA, USA.
| | - Seung Y Rhee
- Carnegie Institution for Science, Department of Plant Biology, Stanford, CA, USA
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42
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Song C, Ma J, Li G, Pan H, Zhu Y, Jin Q, Cai Y, Han B. Natural Composition and Biosynthetic Pathways of Alkaloids in Medicinal Dendrobium Species. FRONTIERS IN PLANT SCIENCE 2022; 13:850949. [PMID: 35599884 PMCID: PMC9121007 DOI: 10.3389/fpls.2022.850949] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 03/30/2022] [Indexed: 05/12/2023]
Abstract
Dendrobium is the second biggest genus in the Orchidaceae family, some of which have both ornamental and therapeutic values. Alkaloids are a group of active chemicals found in Dendrobium plants. Dendrobine has emerged specific pharmacological and therapeutic properties. Although Dendrobium alkaloids have been isolated and identified since the 1930s, the composition of alkaloids and their biosynthesis pathways, including metabolic intermediates, alkaloid transporters, concrete genes involved in downstream pathways, and associated gene clusters, have remained unresolved scientific issues. This paper comprehensively reviews currently identified and tentative alkaloids from the aspect of biogenic pathways or metabolic genes uncovered based on the genome annotations. The biosynthesis pathways of each class of alkaloids are highlighted. Moreover, advances of the high-throughput sequencing technologies in the discovery of Dendrobium alkaloid pathways have been addressed. Applications of synthetic biology in large-scale production of alkaloids are also described. This would serve as the basis for further investigation into Dendrobium alkaloids.
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Affiliation(s)
- Cheng Song
- College of Biological and Pharmaceutical Engineering, West Anhui University, Lu’an, China
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resources, West Anhui University, Lu’an, China
| | - Jingbo Ma
- College of Biological and Pharmaceutical Engineering, West Anhui University, Lu’an, China
| | - Guohui Li
- College of Biological and Pharmaceutical Engineering, West Anhui University, Lu’an, China
| | - Haoyu Pan
- College of Biological and Pharmaceutical Engineering, West Anhui University, Lu’an, China
| | - Yanfang Zhu
- College of Life Science, Huaibei Normal University, Huaibei, China
| | - Qing Jin
- College of Life Sciences, Anhui Agricultural University, Hefei, China
| | - Yongping Cai
- College of Life Sciences, Anhui Agricultural University, Hefei, China
| | - Bangxing Han
- College of Biological and Pharmaceutical Engineering, West Anhui University, Lu’an, China
- Anhui Engineering Laboratory for Conservation and Sustainable Utilization of Traditional Chinese Medicine Resources, West Anhui University, Lu’an, China
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Polturak G, Dippe M, Stephenson MJ, Chandra Misra R, Owen C, Ramirez-Gonzalez RH, Haidoulis JF, Schoonbeek HJ, Chartrain L, Borrill P, Nelson DR, Brown JK, Nicholson P, Uauy C, Osbourn A. Pathogen-induced biosynthetic pathways encode defense-related molecules in bread wheat. Proc Natl Acad Sci U S A 2022; 119:e2123299119. [PMID: 35412884 PMCID: PMC9169793 DOI: 10.1073/pnas.2123299119] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 02/14/2022] [Indexed: 12/23/2022] Open
Abstract
Wheat is a widely grown food crop that suffers major yield losses due to attack by pests and pathogens. A better understanding of biotic stress responses in wheat is thus of major importance. The recently assembled bread wheat genome coupled with extensive transcriptomic resources provides unprecedented new opportunities to investigate responses to pathogen challenge. Here, we analyze gene coexpression networks to identify modules showing consistent induction in response to pathogen exposure. Within the top pathogen-induced modules, we identify multiple clusters of physically adjacent genes that correspond to six pathogen-induced biosynthetic pathways that share a common regulatory network. Functional analysis reveals that these pathways, all of which are encoded by biosynthetic gene clusters, produce various different classes of compounds—namely, flavonoids, diterpenes, and triterpenes, including the defense-related compound ellarinacin. Through comparative genomics, we also identify associations with the known rice phytoalexins momilactones, as well as with a defense-related gene cluster in the grass model plant Brachypodium distachyon. Our results significantly advance the understanding of chemical defenses in wheat and open up avenues for enhancing disease resistance in this agriculturally important crop. They also exemplify the power of transcriptional networks to discover the biosynthesis of chemical defenses in plants with large, complex genomes.
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Affiliation(s)
- Guy Polturak
- Department of Biochemistry and Metabolism, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Martin Dippe
- Department of Biochemistry and Metabolism, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Michael J. Stephenson
- Department of Biochemistry and Metabolism, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Rajesh Chandra Misra
- Department of Biochemistry and Metabolism, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Charlotte Owen
- Department of Biochemistry and Metabolism, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | | | - John F. Haidoulis
- Department of Crop Genetics, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Henk-Jan Schoonbeek
- Department of Crop Genetics, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Laetitia Chartrain
- Department of Crop Genetics, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Philippa Borrill
- Department of Biochemistry and Metabolism, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - David R. Nelson
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, TN 38163
| | - James K.M. Brown
- Department of Crop Genetics, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Paul Nicholson
- Department of Crop Genetics, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Cristobal Uauy
- Department of Crop Genetics, John Innes Centre, Norwich NR4 7UH, United Kingdom
| | - Anne Osbourn
- Department of Biochemistry and Metabolism, John Innes Centre, Norwich NR4 7UH, United Kingdom
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Mancinotti D, Frick KM, Geu-Flores F. Biosynthesis of quinolizidine alkaloids in lupins: mechanistic considerations and prospects for pathway elucidation. Nat Prod Rep 2022; 39:1423-1437. [PMID: 35302146 DOI: 10.1039/d1np00069a] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Covering: up to 2022Quinolizidine alkaloids (QAs) are a class of alkaloids that accumulate in a variety of leguminous plants and have applications in the agricultural, pharmaceutical and chemical industries. QAs are notoriously present in cultivated lupins (Lupinus spp.) where they complicate the use of the valuable, high-protein beans due to their toxic properties and bitter taste. Compared to many other alkaloid classes, the biosynthesis of QAs is poorly understood, with only the two first pathway enzymes having been discovered so far. In this article, we review the different biosynthetic hypotheses that have been put forth in the literature (1988-2009) and highlight one particular hypothesis (1988) that agrees with the often ignored precursor feeding studies (1964-1994). Our focus is on the biosynthesis of the simple tetracyclic QA (-)-sparteine, from which many of the QAs found in lupins derive. We examine every pathway step on the way to (-)-sparteine and discuss plausible mechanisms, altogether proposing the involvement of 6-9 enzymes. Together with the new resources for gene discovery developed for lupins in the past few years, this review will contribute to the full elucidation of the QA pathway, including the identification and characterization of the missing pathway enzymes.
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Affiliation(s)
- Davide Mancinotti
- Section for Plant Biochemistry and Copenhagen Plant Science Centre, Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Denmark.
| | - Karen Michiko Frick
- Section for Plant Biochemistry and Copenhagen Plant Science Centre, Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Denmark.
| | - Fernando Geu-Flores
- Section for Plant Biochemistry and Copenhagen Plant Science Centre, Department of Plant and Environmental Sciences, Faculty of Science, University of Copenhagen, Denmark.
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45
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Zhou X, Liu Z. Unlocking plant metabolic diversity: A (pan)-genomic view. PLANT COMMUNICATIONS 2022; 3:100300. [PMID: 35529944 PMCID: PMC9073316 DOI: 10.1016/j.xplc.2022.100300] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/12/2021] [Accepted: 01/13/2022] [Indexed: 05/28/2023]
Abstract
Plants produce a remarkable diversity of structurally and functionally diverse natural chemicals that serve as adaptive compounds throughout their life cycles. However, unlocking this metabolic diversity is significantly impeded by the size, complexity, and abundant repetitive elements of typical plant genomes. As genome sequencing becomes routine, we anticipate that links between metabolic diversity and genetic variation will be strengthened. In addition, an ever-increasing number of plant genomes have revealed that biosynthetic gene clusters are not only a hallmark of microbes and fungi; gene clusters for various classes of compounds have also been found in plants, and many are associated with important agronomic traits. We present recent examples of plant metabolic diversification that have been discovered through the exploration and exploitation of various genomic and pan-genomic data. We also draw attention to the fundamental genomic and pan-genomic basis of plant chemodiversity and discuss challenges and future perspectives for investigating metabolic diversity in the coming pan-genomics era.
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Affiliation(s)
- Xuan Zhou
- Joint Center for Single Cell Biology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Zhenhua Liu
- Joint Center for Single Cell Biology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
- Shanghai Collaborative Innovation Center of Agri-Seeds, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
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46
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Luo F, Yu Z, Zhou Q, Huang A. Multi-Omics-Based Discovery of Plant Signaling Molecules. Metabolites 2022; 12:metabo12010076. [PMID: 35050197 PMCID: PMC8777911 DOI: 10.3390/metabo12010076] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/06/2022] [Accepted: 01/11/2022] [Indexed: 02/01/2023] Open
Abstract
Plants produce numerous structurally and functionally diverse signaling metabolites, yet only relatively small fractions of which have been discovered. Multi-omics has greatly expedited the discovery as evidenced by increasing recent works reporting new plant signaling molecules and relevant functions via integrated multi-omics techniques. The effective application of multi-omics tools is the key to uncovering unknown plant signaling molecules. This review covers the features of multi-omics in the context of plant signaling metabolite discovery, highlighting how multi-omics addresses relevant aspects of the challenges as follows: (a) unknown functions of known metabolites; (b) unknown metabolites with known functions; (c) unknown metabolites and unknown functions. Based on the problem-oriented overview of the theoretical and application aspects of multi-omics, current limitations and future development of multi-omics in discovering plant signaling metabolites are also discussed.
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Affiliation(s)
| | | | - Qian Zhou
- Correspondence: (Q.Z.); (A.H.); Tel.: +86-755-8801-8496 (Q.Z. & A.H.)
| | - Ancheng Huang
- Correspondence: (Q.Z.); (A.H.); Tel.: +86-755-8801-8496 (Q.Z. & A.H.)
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48
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Chakraborty P. Gene cluster from plant to microbes: Their role in genome architecture, organism's development, specialized metabolism and drug discovery. Biochimie 2021; 193:1-15. [PMID: 34890733 DOI: 10.1016/j.biochi.2021.12.001] [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: 06/09/2021] [Revised: 12/01/2021] [Accepted: 12/04/2021] [Indexed: 02/07/2023]
Abstract
Plants and microbes fulfil our daily requirements through different high-value chemicals, e.g., nutraceuticals, pharmaceuticals, cosmetics, and through varieties of fruits, crops, vegetables, and many more. Utmost care would therefore be taken for growth, development and sustainability of these important crops and medicinal plants and microbes. Homeobox genes and HOX clusters and their recently characterized expanded family members, including newly discovered homeobox, WOX gene from medicinal herb, Panax ginseng, significantly contributes in the growth and development of these organisms. On the other hand, secondary metabolites produced through secondary metabolism of plants and microbes are used as organisms defense as well as drugs/drug-like molecules for humans. Both the developmental HOX cluster and the biosynthetic gene-cluster (BGC) for secondary metabolites are organised in organisms genome. Genome mining and genomewide analysis of these clusters will definitely identify and characterize many more important molecules from unexplored plants and microbes and underexplored human microbiota and the evolution studies of these clusters will indicate their source of origin. Although genomics revolution now continues at a pace, till date only few hundred plant genome sequences are available. However, next-generation sequencing (NGS) technology now in market and may be applied even for plants with recalcitrant genomes, eventually may discover genomic potential towards production of secondary metabolites of diverse plants and micro-organisms present in the environment and microbiota. Additionally, the development of tools for genome mining e.g., antiSMASH, plantiSMASH, and more and more computational approaches that predicts hundreds of secondary metabolite BGCs will be discussed.
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Affiliation(s)
- Prasanta Chakraborty
- Kalpana Chawla Center for Space and Nanoscience, Kolkata, Indian Institute of Chemical Biology (retd.), Kolkata, 700032, India.
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49
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Liang J, An T, Zhu JX, Chen S, Zhu JH, Peters RJ, Yu R, Zi J. Mining of the Catharanthus roseus Genome Leads to Identification of a Biosynthetic Gene Cluster for Fungicidal Sesquiterpenes. JOURNAL OF NATURAL PRODUCTS 2021; 84:2709-2716. [PMID: 34644092 PMCID: PMC8627374 DOI: 10.1021/acs.jnatprod.1c00588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Characterization of cryptic biosynthetic gene clusters (BGCs) from microbial genomes has been proven to be a powerful approach to the discovery of new natural products. However, such a genome mining approach to the discovery of bioactive plant metabolites has been muted. The plant BGCs characterized to date encode pathways for antibiotics important in plant defense against microbial pathogens, providing a means to discover such phytoalexins by mining plant genomes. Here is reported the discovery and characterization of a minimal BGC from the medicinal plant Catharanthus roseus, consisting of an adjacent pair of genes encoding a terpene synthase (CrTPS18) and cytochrome P450 (CYP71D349). These two enzymes act sequentially, with CrTPS18 acting as a sesquiterpene synthase, producing 5-epi-jinkoheremol (1), which CYP71D349 further hydroxylates to debneyol (2). Infection studies with maize revealed that 1 and 2 exhibit more potent fungicidal activity than validamycin. Accordingly, this study demonstrates that characterization of such cryptic plant BGCs is a promising strategy for the discovery of potential agrochemical leads. Moreover, despite the observed absence of 1 and 2 in C. roseus, the observed transcriptional regulation is consistent with their differential fungicidal activity, suggesting that such conditional coexpression may be sufficient to drive BGC assembly in plants.
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Affiliation(s)
- Jincai Liang
- Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China
| | - Tianyue An
- Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China
| | - Jian-Xun Zhu
- Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China
| | - Shan Chen
- Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China
| | - Jian-Hua Zhu
- Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China
| | - Reuben J. Peters
- Roy J. Carver Department of Biochemistry, Biophysics, Molecular Biology, Iowa State University, Ames, IA 50011, United States
- Jiachen Zi – Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China; ; Rongmin Yu – Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China; ; Reuben J. Peters – Roy J. Carver Department of Biochemistry, Biophysics, Molecular Biology, Iowa State University, Ames, IA 50011, United States;
| | - Rongmin Yu
- Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China
- Jiachen Zi – Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China; ; Rongmin Yu – Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China; ; Reuben J. Peters – Roy J. Carver Department of Biochemistry, Biophysics, Molecular Biology, Iowa State University, Ames, IA 50011, United States;
| | - Jiachen Zi
- Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China
- Jiachen Zi – Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China; ; Rongmin Yu – Biotechnological Institute of Chinese Materia Medic, Jinan University, Guangzhou 510632, China; ; Reuben J. Peters – Roy J. Carver Department of Biochemistry, Biophysics, Molecular Biology, Iowa State University, Ames, IA 50011, United States;
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Kang Y, Liu W, Guan C, Guan M, He X. Evolution and functional diversity of lipoxygenase (LOX) genes in allotetraploid rapeseed (Brassica napus L.). Int J Biol Macromol 2021; 188:844-854. [PMID: 34416264 DOI: 10.1016/j.ijbiomac.2021.08.082] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 08/06/2021] [Accepted: 08/10/2021] [Indexed: 01/07/2023]
Abstract
Lipoxygenase (LOX, EC 1.13.11.12) is a non-haeme iron-containing dioxygenase family that catalyzes the oxygenation of polyunsaturated fatty acids into bio-functionally fatty acid diverse (oxylipins) and plays vital role in plant growth and development and responses to abiotic and biotic stresses. Though LOX genes have been studied in many plant species, their roles in Brassicaceae species are still unknown. Here, a set of 14, 18, and 33 putative LOX genes were identified in Brassica rapa, Brassica oleracea and Brassica napus (allotetraploid rapeseed), respectively, which could be divided into 9-LOX (LOX1/5), 13-LOX type I (LOX3/4/6), and type II (LOX2) subgroups. There was an expansion of LOX2 orthologous genes in Brassicaceae. Most of the LOX genes are intron rich and conserved in gene structure, and the LOX proteins all have the conserved lipoxygenase and PLAT/LH2 domain. Ka/Ks ratio revealed that the majority of LOXs underwent purifying selection in Brassicaceae. The light-, ABA-, MeJA-related cis-elements and MYB-binding sites in the promoters of BnaLOXs were the most abundant. BnaLOXs displayed different spatiotemporal expression patterns and various abiotic/biotic stress responsive expression patterns. BnaLOX1/5 were slightly or no response to phytohormones and abiotic stresses. BnaLOX3/4/6 predominantly express in roots and were strongly up-regulated by salinity and PEG treatments, and BnaLOX3/4 were the methyl jasmonate (MeJA) and salicylic acid (SA) early response genes and strongly induced by infection of Sclerotinia sclerotiorum; while the BnaLOX2 members predominantly express in stamens, were MeJA and SA continuous response genes and strongly repressed by cold, heat and waterlogging treatments in leaves. Our results are useful for understanding the biological functions of the BnaLOX genes in allotetraploid rapeseed.
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Affiliation(s)
- Yu Kang
- Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Wei Liu
- Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, Hunan Agricultural University, Changsha, Hunan 410128, China
| | - Chunyun Guan
- Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, Hunan Agricultural University, Changsha, Hunan 410128, China; Oil Crops Research, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Branch of National Oilseed Crops Improvement Center, Changsha, Hunan 410128, China
| | - Mei Guan
- Oil Crops Research, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Branch of National Oilseed Crops Improvement Center, Changsha, Hunan 410128, China
| | - Xin He
- Southern Regional Collaborative Innovation Center for Grain and Oil Crops in China, Hunan Agricultural University, Changsha, Hunan 410128, China; Oil Crops Research, Hunan Agricultural University, Changsha, Hunan 410128, China; Hunan Branch of National Oilseed Crops Improvement Center, Changsha, Hunan 410128, China.
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