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Gasperini D, Howe GA. Phytohormones in a universe of regulatory metabolites: lessons from jasmonate. PLANT PHYSIOLOGY 2024; 195:135-154. [PMID: 38290050 PMCID: PMC11060663 DOI: 10.1093/plphys/kiae045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/05/2024] [Accepted: 01/05/2024] [Indexed: 02/01/2024]
Abstract
Small-molecule phytohormones exert control over plant growth, development, and stress responses by coordinating the patterns of gene expression within and between cells. Increasing evidence indicates that currently recognized plant hormones are part of a larger group of regulatory metabolites that have acquired signaling properties during the evolution of land plants. This rich assortment of chemical signals reflects the tremendous diversity of plant secondary metabolism, which offers evolutionary solutions to the daunting challenges of sessility and other unique aspects of plant biology. A major gap in our current understanding of plant regulatory metabolites is the lack of insight into the direct targets of these compounds. Here, we illustrate the blurred distinction between classical phytohormones and other bioactive metabolites by highlighting the major scientific advances that transformed the view of jasmonate from an interesting floral scent to a potent transcriptional regulator. Lessons from jasmonate research generally apply to other phytohormones and thus may help provide a broad understanding of regulatory metabolite-protein interactions. In providing a framework that links small-molecule diversity to transcriptional plasticity, we hope to stimulate future research to explore the evolution, functions, and mechanisms of perception of a broad range of plant regulatory metabolites.
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Affiliation(s)
- Debora Gasperini
- Department of Molecular Signal Processing, Leibniz Institute of Plant Biochemistry, Halle 06120, Germany
| | - Gregg A Howe
- Department of Energy-Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824, USA
- Plant Resilience Institute, Michigan State University, East Lansing, MI 42284, USA
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2
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Kamran M, Melville KT, Waters MT. Karrikin signalling: impacts on plant development and abiotic stress tolerance. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:1174-1186. [PMID: 38001035 PMCID: PMC10860534 DOI: 10.1093/jxb/erad476] [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: 07/28/2023] [Accepted: 11/23/2023] [Indexed: 11/26/2023]
Abstract
Plants rely upon a diverse range of metabolites to control growth and development, and to overcome stress that results from suboptimal conditions. Karrikins (KARs) are a class of butenolide compounds found in smoke that stimulate seed germination and regulate various developmental processes in plants. KARs are perceived via a plant α/β-hydrolase called KARRIKIN INSENSITIVE2 (KAI2), which also functions as a receptor for a postulated phytohormone, provisionally termed KAI2 ligand (KL). Considered natural analogues of KL, KARs have been extensively studied for their effects on plant growth and their crosstalk with plant hormones. The perception and response pathway for KAR-KL signalling is closely related to that of strigolactones, another class of butenolides with numerous functions in regulating plant growth. KAR-KL signalling influences seed germination, seedling photomorphogenesis, root system architecture, abiotic stress responses, and arbuscular mycorrhizal symbiosis. Here, we summarize current knowledge of KAR-KL signalling, focusing on its role in plant development, its effects on stress tolerance, and its interaction with other signalling mechanisms.
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Affiliation(s)
- Muhammad Kamran
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia
| | - Kim T Melville
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia
| | - Mark T Waters
- School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia
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3
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Votta C, Wang JY, Cavallini N, Savorani F, Capparotto A, Liew KX, Giovannetti M, Lanfranco L, Al-Babili S, Fiorilli V. Integration of rice apocarotenoid profile and expression pattern of Carotenoid Cleavage Dioxygenases reveals a positive effect of β-ionone on mycorrhization. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 207:108366. [PMID: 38244387 DOI: 10.1016/j.plaphy.2024.108366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 01/22/2024]
Abstract
Carotenoids are susceptible to degrading processes initiated by oxidative cleavage reactions mediated by Carotenoid Cleavage Dioxygenases that break their backbone, leading to products called apocarotenoids. These carotenoid-derived metabolites include the phytohormones abscisic acid and strigolactones, and different signaling molecules and growth regulators, which are utilized by plants to coordinate many aspects of their life. Several apocarotenoids have been recruited for the communication between plants and arbuscular mycorrhizal (AM) fungi and as regulators of the establishment of AM symbiosis. However, our knowledge on their biosynthetic pathways and the regulation of their pattern during AM symbiosis is still limited. In this study, we generated a qualitative and quantitative profile of apocarotenoids in roots and shoots of rice plants exposed to high/low phosphate concentrations, and upon AM symbiosis in a time course experiment covering different stages of growth and AM development. To get deeper insights in the biology of apocarotenoids during this plant-fungal symbiosis, we complemented the metabolic profiles by determining the expression pattern of CCD genes, taking advantage of chemometric tools. This analysis revealed the specific profiles of CCD genes and apocarotenoids across different stages of AM symbiosis and phosphate supply conditions, identifying novel reliable markers at both local and systemic levels and indicating a promoting role of β-ionone in AM symbiosis establishment.
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Affiliation(s)
- Cristina Votta
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino, 10125, Italy
| | - Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Nicola Cavallini
- Department of Applied Science and Technology (DISAT), Polytechnic of Turin, Corso Duca Degli Abruzzi 24, 10129, Torino, Italy
| | - Francesco Savorani
- Department of Applied Science and Technology (DISAT), Polytechnic of Turin, Corso Duca Degli Abruzzi 24, 10129, Torino, Italy
| | - Arianna Capparotto
- Department of Biology, University of Padova, Via Ugo Bassi 58/b, 35131, Padova, Italy
| | - Kit Xi Liew
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Marco Giovannetti
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino, 10125, Italy; Department of Biology, University of Padova, Via Ugo Bassi 58/b, 35131, Padova, Italy
| | - Luisa Lanfranco
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino, 10125, Italy
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia; The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia.
| | - Valentina Fiorilli
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino, 10125, Italy.
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4
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Felemban A, Moreno JC, Mi J, Ali S, Sham A, AbuQamar SF, Al-Babili S. The apocarotenoid β-ionone regulates the transcriptome of Arabidopsis thaliana and increases its resistance against Botrytis cinerea. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 117:541-560. [PMID: 37932864 DOI: 10.1111/tpj.16510] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 10/02/2023] [Accepted: 10/04/2023] [Indexed: 11/08/2023]
Abstract
Carotenoids are isoprenoid pigments indispensable for photosynthesis. Moreover, they are the precursor of apocarotenoids, which include the phytohormones abscisic acid (ABA) and strigolactones (SLs) as well as retrograde signaling molecules and growth regulators, such as β-cyclocitral and zaxinone. Here, we show that the application of the volatile apocarotenoid β-ionone (β-I) to Arabidopsis plants at micromolar concentrations caused a global reprogramming of gene expression, affecting thousands of transcripts involved in stress tolerance, growth, hormone metabolism, pathogen defense, and photosynthesis. This transcriptional reprogramming changes, along with induced changes in the level of the phytohormones ABA, jasmonic acid, and salicylic acid, led to enhanced Arabidopsis resistance to the widespread necrotrophic fungus Botrytis cinerea (B.c.) that causes the gray mold disease in many crop species and spoilage of harvested fruits. Pre-treatment of tobacco and tomato plants with β-I followed by inoculation with B.c. confirmed the effect of β-I in increasing the resistance to this pathogen in crop plants. Moreover, we observed reduced susceptibility to B.c. in fruits of transgenic tomato plants overexpressing LYCOPENE β-CYCLASE, which contains elevated levels of endogenous β-I, providing a further evidence for its effect on B.c. infestation. Our work unraveled β-I as a further carotenoid-derived regulatory metabolite and indicates the possibility of establishing this natural volatile as an environmentally friendly bio-fungicide to control B.c.
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Affiliation(s)
- Abrar Felemban
- The Bioactives Laboratory, Center for Desert Agriculture, 4700 King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, 4700 King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
| | - Juan C Moreno
- The Bioactives Laboratory, Center for Desert Agriculture, 4700 King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, 4700 King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
| | - Jianing Mi
- The Bioactives Laboratory, Center for Desert Agriculture, 4700 King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, 4700 King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
| | - Shawkat Ali
- Kentville Research and Development Center, Agriculture and Agri-Food Canada, Kentville, Nova Scotia, B4N 1J5, Canada
| | - Arjun Sham
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Synan F AbuQamar
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Salim Al-Babili
- The Bioactives Laboratory, Center for Desert Agriculture, 4700 King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, 4700 King Abdullah University of Science and Technology, Thuwal, 23955, Saudi Arabia
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5
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Wang JY, Braguy J, Al-Babili S. Does zaxinone counteract strigolactones in shaping rice architecture? PLANT SIGNALING & BEHAVIOR 2023; 18:2184127. [PMID: 36855265 PMCID: PMC9980470 DOI: 10.1080/15592324.2023.2184127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/10/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
The cleavage of plant carotenoids leads to apocarotenoids, a group of metabolites including precursors of the hormones strigolactones (SLs) and abscisic acid, regulatory and signaling molecules. Zaxinone is a recently discovered apocarotenoid growth regulator that improves growth and suppress SL biosynthesis in rice (Oryza sativa). To test if zaxinone also counteracts the growth regulatory effects of SLs in rice, we co-supplied zaxinone and the synthetic SL analog rac-GR24 to the rice SL-deficient DWARF17 (d17) mutant. Results showed that co-application of GR24 and zaxinone still rescued d17 phenotype, indicating that zaxinone and GR24 act independently in regulating root and shoot growth and development in rice.
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Affiliation(s)
- Jian You Wang
- The BioActivesLaboratory Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Justine Braguy
- The BioActivesLaboratory Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Saudi Arabia
| | - Salim Al-Babili
- The BioActivesLaboratory Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Saudi Arabia
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6
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Li K, Cheng Y, Fang C. OsDWARF10, transcriptionally repressed by OsSPL3, regulates the nutritional metabolism of polished rice. FRONTIERS IN PLANT SCIENCE 2023; 14:1322463. [PMID: 38130489 PMCID: PMC10733476 DOI: 10.3389/fpls.2023.1322463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023]
Abstract
Strigolactone (SL) plays essential roles in plant development and the metabolism of rice leaves. However, the impact of SL on the accumulation of nutritional metabolites in polished rice, as well as the transcription factors directly involved in SL synthesis, remains elusive. In this study, we performed a metabolome analysis on polished rice samples from mutants of an SL biosynthetic gene, OsDWARF10 (OsD10). Compared with those in the wild type plants, primary and secondary metabolites exhibited a series of alterations in the d10 mutants. Notably, the d10 mutants showed a substantial increase in the amino acids and vitamins content. Through a yeast one-hybridization screening assay, we identified OsSPL3 as a transcription factor that binds to the OsD10 promoter, thereby inhibiting OsD10 transcription in vivo and in vitro. Furthermore, we conducted a metabolic profiling analysis in polished rice from plants that overexpressed OsSPL3 and observed enhanced levels of amino acids and vitamins. This study identified a novel transcriptional repressor of the SL biosynthetic gene and elucidated the regulatory roles of OsSPL3 and OsD10 on the accumulation of nutritional metabolites in polished rice.
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Affiliation(s)
- Kang Li
- Hainan Yazhou Bay Seed Laboratory, Scool of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
| | - Yan Cheng
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
| | - Chuanying Fang
- Hainan Yazhou Bay Seed Laboratory, Scool of Breeding and Multiplication (Sanya Institute of Breeding and Multiplication), Hainan University, Sanya, China
- School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
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7
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Braat J, Jaonina M, David P, Leschevin M, Légeret B, D’Alessandro S, Beisson F, Havaux M. The response of Arabidopsis to the apocarotenoid β-cyclocitric acid reveals a role for SIAMESE-RELATED 5 in root development and drought tolerance. PNAS NEXUS 2023; 2:pgad353. [PMID: 37954155 PMCID: PMC10638494 DOI: 10.1093/pnasnexus/pgad353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 10/17/2023] [Indexed: 11/14/2023]
Abstract
New regulatory functions in plant development and environmental stress responses have recently emerged for a number of apocarotenoids produced by enzymatic or nonenzymatic oxidation of carotenoids. β-Cyclocitric acid (β-CCA) is one such compound derived from β-carotene, which triggers defense mechanisms leading to a marked enhancement of plant tolerance to drought stress. We show here that this response is associated with an inhibition of root growth affecting both root cell elongation and division. Remarkably, β-CCA selectively induced cell cycle inhibitors of the SIAMESE-RELATED (SMR) family, especially SMR5, in root tip cells. Overexpression of the SMR5 gene in Arabidopsis induced molecular and physiological changes that mimicked in large part the effects of β-CCA. In particular, the SMR5 overexpressors exhibited an inhibition of root development and a marked increase in drought tolerance which is not related to stomatal closure. SMR5 up-regulation induced changes in gene expression that strongly overlapped with the β-CCA-induced transcriptomic changes. Both β-CCA and SMR5 led to a down-regulation of many cell cycle activators (cyclins, cyclin-dependent kinases) and a concomitant up-regulation of genes related to water deprivation, cellular detoxification, and biosynthesis of lipid biopolymers such as suberin and lignin. This was correlated with an accumulation of suberin lipid polyesters in the roots and a decrease in nonstomatal leaf transpiration. Taken together, our results identify the β-CCA-inducible and drought-inducible SMR5 gene as a key component of a stress-signaling pathway that reorients root metabolism from growth to multiple defense mechanisms leading to drought tolerance.
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Affiliation(s)
- Jeanne Braat
- Aix Marseille University, CEA, CNRS UMR 7265, Bioscience and Biotechnology Institute of Aix Marseille, CEA/Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Meryl Jaonina
- Aix Marseille University, CEA, CNRS UMR 7265, Bioscience and Biotechnology Institute of Aix Marseille, CEA/Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Pascale David
- Aix Marseille University, CEA, CNRS UMR 7265, Bioscience and Biotechnology Institute of Aix Marseille, CEA/Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Maïté Leschevin
- Aix Marseille University, CEA, CNRS UMR 7265, Bioscience and Biotechnology Institute of Aix Marseille, CEA/Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Bertrand Légeret
- Aix Marseille University, CEA, CNRS UMR 7265, Bioscience and Biotechnology Institute of Aix Marseille, CEA/Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Stefano D’Alessandro
- Universita di Torino, Scienze Della Vita e Biologia dei Sistemi, Torino 10123, Italy
| | - Frédéric Beisson
- Aix Marseille University, CEA, CNRS UMR 7265, Bioscience and Biotechnology Institute of Aix Marseille, CEA/Cadarache, Saint-Paul-lez-Durance 13115, France
| | - Michel Havaux
- Aix Marseille University, CEA, CNRS UMR 7265, Bioscience and Biotechnology Institute of Aix Marseille, CEA/Cadarache, Saint-Paul-lez-Durance 13115, France
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8
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Wang JY, Jamil M, AlOtaibi TS, Abdelaziz ME, Ota T, Ibrahim OH, Berqdar L, Asami T, Ahmed Mousa MA, Al-Babili S. Zaxinone mimics (MiZax) efficiently promote growth and production of potato and strawberry plants under desert climate conditions. Sci Rep 2023; 13:17438. [PMID: 37838798 PMCID: PMC10576822 DOI: 10.1038/s41598-023-42478-3] [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: 03/22/2023] [Accepted: 09/11/2023] [Indexed: 10/16/2023] Open
Abstract
Climate changes and the rapid expanding human population have become critical concerns for global food security. One of the promising solutions is the employment of plant growth regulators (PGRs) for increasing crop yield and overcoming adverse growth conditions, such as desert climate. Recently, the apocarotenoid zaxinone and its two mimics (MiZax3 and MiZax5) have shown a promising growth-promoting activity in cereals and vegetable crops under greenhouse and field conditions. Herein, we further investigated the effect of MiZax3 and MiZax5, at different concentrations (5 and 10 µM in 2021; 2.5 and 5 µM in 2022), on the growth and yield of the two valuable vegetable crops, potato and strawberry, in the Kingdom of Saudi of Arabia. Application of both MiZax significantly increased plant agronomic traits, yield components and total yield, in five independent field trials from 2021 to 2022. Remarkably, the amount of applied MiZax was far less than humic acid, a widely applied commercial compound used here for comparison. Hence, our results indicate that MiZax are very promising PGRs that can be applied to promote the growth and yield of vegetable crops even under desert conditions and at relatively low concentrations.
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Affiliation(s)
- Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia
| | - Muhammad Jamil
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia
| | - Turki S AlOtaibi
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University (KAU), 21589, Jeddah, Saudi Arabia
| | - Mohamed E Abdelaziz
- Department of Vegetable Crops, Faculty of Agriculture, Cairo University, Giza, 12613, Egypt
- The National Research and Development Center for Sustainable Agriculture (Estidamah), Riyadh, Kingdom of Saudi Arabia
| | - Tsuyoshi Ota
- Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan
| | - Omer H Ibrahim
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University (KAU), 21589, Jeddah, Saudi Arabia
- Department of Ornamental Crops, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt
| | - Lamis Berqdar
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia
| | - Tadao Asami
- Applied Biological Chemistry, The University of Tokyo, Tokyo, Japan
| | - Magdi Ali Ahmed Mousa
- Department of Agriculture, Faculty of Environmental Sciences, King Abdulaziz University (KAU), 21589, Jeddah, Saudi Arabia
- Department of Vegetable Crops, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia.
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Jeddah, Saudi Arabia.
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9
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Pinit S, Ariyakulkiat L, Chaiwanon J. Rice straw-derived smoke water promotes rice root growth under phosphorus deficiency by modulating oxidative stress and photosynthetic gene expression. Sci Rep 2023; 13:14802. [PMID: 37684292 PMCID: PMC10491667 DOI: 10.1038/s41598-023-41987-5] [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: 04/04/2023] [Accepted: 09/04/2023] [Indexed: 09/10/2023] Open
Abstract
Plant-derived smoke has been shown to promote plant growth and seed germination, but its roles and mechanisms in response to nutrient deficiency stress remain unclear. Plants respond to phosphorus (P) deficiency by undergoing morphological, physiological, and transcriptional changes in order to improve nutrient uptake efficiency. Here, we showed that rice straw-derived smoke water could promote root growth in rice (Oryza sativa cv. Nipponbare) grown under P-sufficient and P-deficient conditions. Transcriptome analysis of the root tissues identified 1309 genes up-regulated and 1311 genes down-regulated by smoke water under P-deficient conditions. The GO terms 'glutathione transferase activity' and 'photosynthesis-light reaction' were found to be significantly enriched among the genes that were up- and down-regulated by smoke water, respectively. Biochemical analysis showed that smoke water reduced P-deficient-induced accumulation of H2O2 and malondialdehyde (MDA), a lipid peroxidation marker, reduced sucrose contents, but increased Fe accumulation. Furthermore, smoke water suppressed the expression of strigolactone biosynthesis genes, which were strongly induced by P deficiency as an adaptive strategy to improve root P uptake. These results revealed a potential mechanism by which smoke water promotes root growth and interacts with P deficiency-induced transcriptional regulation to mitigate P deficiency stress in rice.
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Affiliation(s)
- Sompop Pinit
- Center of Excellence in Environment and Plant Physiology, Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
- Department of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
- Center of Excellence in Medical Biotechnology, Faculty of Medical Science, Naresuan University, Phitsanulok, Thailand
| | - Lalichat Ariyakulkiat
- Center of Excellence in Environment and Plant Physiology, Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Juthamas Chaiwanon
- Center of Excellence in Environment and Plant Physiology, Department of Botany, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
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10
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Magome H, Arai M, Oyama K, Nishiguchi R, Takakura Y. Multiple loss-of-function mutations of carotenoid cleavage dioxygenase 4 reveal its major role in both carotenoid level and apocarotenoid composition in flue-cured mature tobacco leaves. Sci Rep 2023; 13:12992. [PMID: 37563246 PMCID: PMC10415294 DOI: 10.1038/s41598-023-39692-4] [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: 03/02/2023] [Accepted: 07/29/2023] [Indexed: 08/12/2023] Open
Abstract
Apocarotenoid volatiles contribute to the flavor of many agricultural products. In many flowering plants, carotenoid cleavage dioxygenase 4 (CCD4) is involved in the decomposition of carotenoids and resultant production of C13-apocarotenoids, such as β-ionone derived from β-carotene. To understand the possible role of tobacco CCD4 genes (NtCCD4-S, NtCCD4-T1 and NtCCD4-T2) in these processes, we analyzed loss-of-function phenotypes. RNA interference transgenic plants showed yellow color in mature (senescent) leaves. Mature leaves of chemically induced double-mutant plants showed a stronger yellow color, and those of triple-mutant plants showed a pronounced yellow color. Carotenoid analysis of the leaves from mutants showed that lutein and β-carotene increased in line with the degree of color change compared to wild type, whereas there was little change in green color in their young leaves. This result indicates that CCD4s are important for the decomposition of carotenoids in the tobacco leaf maturation process. Analysis of apocarotenoids in flue-cured leaves of the multiple-mutant plants showed that many compounds, including megastigmatrienones, were decreased in comparison to wild type, whereas intriguingly β-ionone and dihydroactinidiolide were increased. Our results suggest that CCD4s play a key role in both carotenoid level and apocarotenoid composition in flue-cured mature tobacco leaves.
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Affiliation(s)
- Hiroshi Magome
- Leaf Tobacco Research Center, Japan Tobacco, Inc., 1900 Idei, Oyama, Tochigi, 323-0808, Japan.
| | - Masao Arai
- Leaf Tobacco Research Center, Japan Tobacco, Inc., 1900 Idei, Oyama, Tochigi, 323-0808, Japan
| | - Kiyoshi Oyama
- Leaf Tobacco Research Center, Japan Tobacco, Inc., 1900 Idei, Oyama, Tochigi, 323-0808, Japan
| | - Ryo Nishiguchi
- Leaf Tobacco Research Center, Japan Tobacco, Inc., 1900 Idei, Oyama, Tochigi, 323-0808, Japan
| | - Yoshimitsu Takakura
- Leaf Tobacco Research Center, Japan Tobacco, Inc., 1900 Idei, Oyama, Tochigi, 323-0808, Japan
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11
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Jamil M, Lin PY, Berqdar L, Wang JY, Takahashi I, Ota T, Alhammad N, Chen GTE, Asami T, Al-Babili S. New Series of Zaxinone Mimics (MiZax) for Fundamental and Applied Research. Biomolecules 2023; 13:1206. [PMID: 37627271 PMCID: PMC10452442 DOI: 10.3390/biom13081206] [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: 06/23/2023] [Revised: 07/19/2023] [Accepted: 07/21/2023] [Indexed: 08/27/2023] Open
Abstract
The apocarotenoid zaxinone is a recently discovered regulatory metabolite required for proper rice growth and development. In addition, zaxinone and its two mimics (MiZax3 and MiZax5) were shown to have a remarkable growth-promoting activity on crops and a capability to reduce infestation by the root parasitic plant Striga through decreasing strigolactone (SL) production, suggesting their potential for application in agriculture and horticulture. In the present study, we developed a new series of MiZax via structural modification of the two potent zaxinone mimics (MiZax3 and MiZax5) and evaluated their effect on plant growth and Striga infestation. In general, the structural modifications to MiZax3 and MiZax5 did not additionally improve their overall performance but caused an increase in certain activities. In conclusion, MiZax5 and especially MiZax3 remain the likely most efficient zaxinone mimics for controlling Striga infestation.
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Affiliation(s)
- Muhammad Jamil
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
| | - Pei-Yu Lin
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Lamis Berqdar
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
| | - Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
| | - Ikuo Takahashi
- Applied Biological Chemistry, The University of Tokyo, Tokyo 113-8657, Japan; (I.T.); (T.O.); (T.A.)
| | - Tsuyoshi Ota
- Applied Biological Chemistry, The University of Tokyo, Tokyo 113-8657, Japan; (I.T.); (T.O.); (T.A.)
| | - Noor Alhammad
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
| | - Guan-Ting Erica Chen
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Tadao Asami
- Applied Biological Chemistry, The University of Tokyo, Tokyo 113-8657, Japan; (I.T.); (T.O.); (T.A.)
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia; (M.J.); (P.-Y.L.); (L.B.); (J.Y.W.); (N.A.); (G.-T.E.C.)
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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12
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Almutairi AW. Phenol phycoremediation by Haematococcus pluvialis coupled with enhanced astaxanthin and lipid production under rac-GR24 supplementation for enhanced biodiesel production. Saudi J Biol Sci 2023; 30:103681. [PMID: 37213694 PMCID: PMC10197103 DOI: 10.1016/j.sjbs.2023.103681] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/12/2023] [Accepted: 04/27/2023] [Indexed: 05/23/2023] Open
Abstract
The present study evaluated the impact of rac-GR24 on biomass and astaxanthin production under phenol stress coupled with biodiesel recovery from Haematococcus pluvialis. Phenol supplementation showed negative impact on growth, where the lowest biomass productivity of 0.027 g L-1 day-1 was recorded at 10 µM phenol, while 0.4 µM rac-GR24 supplementation showed the highest recorded biomass productivity of 0.063 g L-1 day-1. Coupling 0.4 µM rac-GR24 at different phenol concentrations confirmed the potential of rac-GR24 to mitigate the toxic effect of phenol by enhancing yield of PSII yield, RuBISCo activity, and antioxidant efficiency, which resulted in improved phenol phycoremediation efficiency. In addition, results suggested a synergistic action by rac-GR24 supplementation under phenol treatment where rac-GR24 enhanced lipid accumulation, while phenol enhanced astaxanthin production. Dual supplementation of rac-GR24 and phenol showed the highest recorded FAMEs content, which was 32.6% higher than the control, with improved biodiesel quality. The suggested approach could enhance the economic feasibility of triple-purpose application of microalgae in wastewater treatment, astaxanthin recovery, and biodiesel production.
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13
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You Y, Ray R, Halitschke R, Baldwin G, Baldwin IT. Arbuscular mycorrhizal fungi-indicative blumenol-C-glucosides predict lipid accumulations and fitness in plants grown without competitors. THE NEW PHYTOLOGIST 2023; 238:2159-2174. [PMID: 36866959 DOI: 10.1111/nph.18858] [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: 10/12/2022] [Accepted: 02/20/2023] [Indexed: 05/04/2023]
Abstract
Hydroxy- and carboxyblumenol C-glucosides specifically accumulate in roots and leaves of plants harboring arbuscular mycorrhizal fungi (AMF). To explore blumenol function in AMF relationships, we silenced an early key-gene in blumenol biosynthesis, CCD1 (carotenoid cleavage dioxygenase 1), in the ecological model plant, Nicotiana attenuata, and analyzed whole-plant performance in comparison with control and CCaMK-silenced plants, unable to form AMF associations. Root blumenol accumulations reflected a plant's Darwinian fitness, as estimated by capsule production, and were positively correlated with AMF-specific lipid accumulations in roots, with relationships that changed as plants matured when grown without competitors. When grown with wild-type competitors, transformed plants with decreased photosynthetic capacity or increased carbon flux to roots had blumenol accumulations that predicted plant fitness and genotype trends in AMF-specific lipids, but had similar levels of AMF-specific lipids between competing plants, likely reflecting AMF-networks. We propose that when grown in isolation, blumenol accumulations reflect AMF-specific lipid allocations and plant fitness. When grown with competitors, blumenol accumulations predict fitness outcomes, but not the more complicated AMF-specific lipid accumulations. RNA-seq analysis provided candidates for the final biosynthetic steps of these AMF-indicative blumenol C-glucosides; abrogation of these steps will provide valuable tools for understanding blumenol function in this context-dependent mutualism.
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Affiliation(s)
- Yanrong You
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Jena, 07745, Germany
| | - Rishav Ray
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Jena, 07745, Germany
| | - Rayko Halitschke
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Jena, 07745, Germany
| | - Gundega Baldwin
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Jena, 07745, Germany
| | - Ian T Baldwin
- Department of Molecular Ecology, Max Planck Institute for Chemical Ecology, Jena, 07745, Germany
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14
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Ablazov A, Felemban A, Braguy J, Kuijer HNJ, Al-Babili S. A Fast and Cost-Effective Genotyping Method for CRISPR-Cas9-Generated Mutant Rice Lines. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12112189. [PMID: 37299168 DOI: 10.3390/plants12112189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/16/2023] [Accepted: 05/18/2023] [Indexed: 06/12/2023]
Abstract
With increasing throughput in both the generation and phenotyping of mutant lines in plants, it is important to have an efficient and reliable genotyping method. Traditional workflows, still commonly used in many labs, have time-consuming and expensive steps, such as DNA purification, cloning and growing E. coli cultures. We propose an alternative workflow where these steps are bypassed, using Phire polymerase on fresh plant tissue, and ExoProStar treatment as preparation for sequencing. We generated CRISPR-Cas9 mutants for ZAS (ZAXINONE SYNTHASE) in rice with two guide RNAs. Using both a traditional workflow and our proposed workflow, we genotyped nine T1 plants. To interpret the sequencing output, which is often complex in CRISPR-generated mutants, we used free online automatic analysis systems and compared the results. Our proposed workflow produces results of the same quality as the old workflow, but in 1 day instead of 3 days and about 35 times cheaper. This workflow also consists of fewer steps and reduces the risk of cross contamination and mistakes. Furthermore, the automated sequence analysis packages are mostly accurate and could easily be used for bulk analysis. Based on these advantages, we encourage academic and commercial labs conducting genotyping to consider switching over to our proposed workflow.
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Affiliation(s)
- Abdugaffor Ablazov
- Center for Desert Agriculture (CDA), The BioActives Laboratory, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Abrar Felemban
- Center for Desert Agriculture (CDA), The BioActives Laboratory, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Justine Braguy
- Center for Desert Agriculture (CDA), The BioActives Laboratory, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Hendrik N J Kuijer
- Center for Desert Agriculture (CDA), The BioActives Laboratory, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Salim Al-Babili
- Center for Desert Agriculture (CDA), The BioActives Laboratory, Biological and Environmental Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
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15
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Cheng C, Yang R, Yin L, Zhang J, Gao L, Lu R, Yang Y, Wang P, Mu X, Zhang S, Zhang B, Zhang J. Characterization of Carotenoid Cleavage Oxygenase Genes in Cerasus humilis and Functional Analysis of ChCCD1. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12112114. [PMID: 37299092 DOI: 10.3390/plants12112114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/16/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023]
Abstract
Carotenoid cleavage oxygenases (CCOs) are key enzymes that function in degrading carotenoids into a variety of apocarotenoids and some other compounds. In this study, we performed genome-wide identification and characterization analysis of CCO genes in Cerasus humilis. Totally, nine CCO genes could be classified into six subfamilies, including carotenoid cleavage dioxygenase 1 (CCD1), CCD4, CCD7, CCD8, CCD-like and nine-cis-epoxycarotenoid dioxygenase (NCED), were identified. Results of gene expression analysis showed that ChCCOs exhibited diverse expression patterns in different organs and in fruits at different ripening stages. To investigate the roles of ChCCOs in carotenoids degradation, enzyme assays of the ChCCD1 and ChCCD4 were performed in Escerichia coli BL21(DE3) that can accumulate lycopene, β-carotene and zeaxanthin. The prokaryotic expressed ChCCD1 resulted in obvious degradation of lycopene, β-carotene and zeaxanthin, but ChCCD4 did not show similar functions. To further determine the cleaved volatile apocarotenoids of these two proteins, headspace gas chromatography/mass spectrometer analysis was performed. Results showed that ChCCD1 could cleave lycopene at 5, 6 and 5', 6' positions to produce 6-methy-5-hepten-2-one and could catalyze β-carotene at 9, 10 and 9', 10' positions to generate β-ionone. Our study will be helpful for clarifying the roles of CCO genes especially ChCCD1 in regulating carotenoid degradation and apocarotenoid production in C. humilis.
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Affiliation(s)
- Chunzhen Cheng
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Rui Yang
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Lu Yin
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Jianying Zhang
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Limin Gao
- Agricultural Technology Extension Service Center of Qianyang County, Baoji 721199, China
| | - Rong Lu
- Rural Revitalization Bureau of Pu County, Linfen 041200, China
| | - Yan Yang
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Pengfei Wang
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Xiaopeng Mu
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Shuai Zhang
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Bin Zhang
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
| | - Jiancheng Zhang
- College of Horticulture, Shanxi Agricultural University, Jinzhong 030801, China
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16
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McQuinn RP, Leroux J, Sierra J, Escobar-Tovar L, Frusciante S, Finnegan EJ, Diretto G, Giuliano G, Giovannoni JJ, León P, Pogson BJ. Deregulation of ζ-carotene desaturase in Arabidopsis and tomato exposes a unique carotenoid-derived redundant regulation of floral meristem identity and function. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 114:783-804. [PMID: 36861314 DOI: 10.1111/tpj.16168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 02/05/2023] [Accepted: 02/26/2023] [Indexed: 05/27/2023]
Abstract
A level of redundancy and interplay among the transcriptional regulators of floral development safeguards a plant's reproductive success and ensures crop production. In the present study, an additional layer of complexity in the regulation of floral meristem (FM) identity and flower development is elucidated linking carotenoid biosynthesis and metabolism to the regulation of determinate flowering. The accumulation and subsequent cleavage of a diverse array of ζ-carotenes in the chloroplast biogenesis 5 (clb5) mutant of Arabidopsis results in the reprogramming of meristematic gene regulatory networks establishing FM identity mirroring that of the FM identity master regulator, APETALA1 (AP1). The immediate transition to floral development in clb5 requires long photoperiods in a GIGANTEA-independent manner, whereas AP1 is essential for the floral organ development of clb5. The elucidation of this link between carotenoid metabolism and floral development translates to tomato exposing a regulation of FM identity redundant to and initiated by AP1 and proposed to be dependent on the E class floral initiation and organ identity regulator, SEPALLATA3 (SEP3).
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Affiliation(s)
- Ryan P McQuinn
- Australian Research Council Centre of Excellence in Plant Energy Biology, Research School of Biology, Australian National University, Canberra, ACT, 2601, Australia
| | - Julie Leroux
- Australian Research Council Centre of Excellence in Plant Energy Biology, Research School of Biology, Australian National University, Canberra, ACT, 2601, Australia
| | - Julio Sierra
- Departamento de Biología Molecular de Plantas, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001, Col. Chamilpa, Cuernavaca, Morelos, 62210, Mexico
| | - Lina Escobar-Tovar
- Departamento de Biología Molecular de Plantas, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001, Col. Chamilpa, Cuernavaca, Morelos, 62210, Mexico
| | - Sarah Frusciante
- Italian National Agency for New Technologies, Energy, and Sustainable Development (ENEA), Casaccia Research Center, Rome, 00196, Italy
| | | | - Gianfranco Diretto
- Italian National Agency for New Technologies, Energy, and Sustainable Development (ENEA), Casaccia Research Center, Rome, 00196, Italy
| | - Giovanni Giuliano
- Italian National Agency for New Technologies, Energy, and Sustainable Development (ENEA), Casaccia Research Center, Rome, 00196, Italy
| | - James J Giovannoni
- US Department of Agriculture-Agricultural Research Service, Robert W. Holley Center for Agriculture and Health, Ithaca, NY, 14853, USA
| | - Patricia León
- Departamento de Biología Molecular de Plantas, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad 2001, Col. Chamilpa, Cuernavaca, Morelos, 62210, Mexico
| | - Barry J Pogson
- Australian Research Council Centre of Excellence in Plant Energy Biology, Research School of Biology, Australian National University, Canberra, ACT, 2601, Australia
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17
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Moreno JC, Al-Babili S. Are carotenoids the true colors of crop improvement? THE NEW PHYTOLOGIST 2023; 237:1946-1950. [PMID: 36478583 DOI: 10.1111/nph.18660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 11/27/2022] [Indexed: 06/17/2023]
Affiliation(s)
- Juan C Moreno
- The Bioactives Laboratory, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, 4700, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 4700, Saudi Arabia
| | - Salim Al-Babili
- The Bioactives Laboratory, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, 4700, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 4700, Saudi Arabia
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18
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Demurtas OC, Nicolia A, Diretto G. Terpenoid Transport in Plants: How Far from the Final Picture? PLANTS (BASEL, SWITZERLAND) 2023; 12:634. [PMID: 36771716 PMCID: PMC9919377 DOI: 10.3390/plants12030634] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/20/2023] [Accepted: 01/25/2023] [Indexed: 06/18/2023]
Abstract
Contrary to the biosynthetic pathways of many terpenoids, which are well characterized and elucidated, their transport inside subcellular compartments and the secretion of reaction intermediates and final products at the short- (cell-to-cell), medium- (tissue-to-tissue), and long-distance (organ-to-organ) levels are still poorly understood, with some limited exceptions. In this review, we aim to describe the state of the art of the transport of several terpene classes that have important physiological and ecological roles or that represent high-value bioactive molecules. Among the tens of thousands of terpenoids identified in the plant kingdom, only less than 20 have been characterized from the point of view of their transport and localization. Most terpenoids are secreted in the apoplast or stored in the vacuoles by the action of ATP-binding cassette (ABC) transporters. However, little information is available regarding the movement of terpenoid biosynthetic intermediates from plastids and the endoplasmic reticulum to the cytosol. Through a description of the transport mechanisms of cytosol- or plastid-synthesized terpenes, we attempt to provide some hypotheses, suggestions, and general schemes about the trafficking of different substrates, intermediates, and final products, which might help develop novel strategies and approaches to allow for the future identification of terpenoid transporters that are still uncharacterized.
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Affiliation(s)
- Olivia Costantina Demurtas
- Biotechnology and Agro-Industry Division, Biotechnology Laboratory, Casaccia Research Center, ENEA—Italian National Agency for New Technologies, Energy and Sustainable Economic Development, 00123 Rome, Italy
| | - Alessandro Nicolia
- Council for Agricultural Research and Economics, Research Centre for Vegetable and Ornamental Crops, via Cavalleggeri 25, 84098 Pontecagnano Faiano, Italy
| | - Gianfranco Diretto
- Biotechnology and Agro-Industry Division, Biotechnology Laboratory, Casaccia Research Center, ENEA—Italian National Agency for New Technologies, Energy and Sustainable Economic Development, 00123 Rome, Italy
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19
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Stra A, Almarwaey LO, Alagoz Y, Moreno JC, Al-Babili S. Carotenoid metabolism: New insights and synthetic approaches. FRONTIERS IN PLANT SCIENCE 2023; 13:1072061. [PMID: 36743580 PMCID: PMC9891708 DOI: 10.3389/fpls.2022.1072061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/29/2022] [Indexed: 06/18/2023]
Abstract
Carotenoids are well-known isoprenoid pigments naturally produced by plants, algae, photosynthetic bacteria as well as by several heterotrophic microorganisms. In plants, they are synthesized in plastids where they play essential roles in light-harvesting and in protecting the photosynthetic apparatus from reactive oxygen species (ROS). Carotenoids are also precursors of bioactive metabolites called apocarotenoids, including vitamin A and the phytohormones abscisic acid (ABA) and strigolactones (SLs). Genetic engineering of carotenogenesis made possible the enhancement of the nutritional value of many crops. New metabolic engineering approaches have recently been developed to modulate carotenoid content, including the employment of CRISPR technologies for single-base editing and the integration of exogenous genes into specific "safe harbors" in the genome. In addition, recent studies revealed the option of synthetic conversion of leaf chloroplasts into chromoplasts, thus increasing carotenoid storage capacity and boosting the nutritional value of green plant tissues. Moreover, transient gene expression through viral vectors allowed the accumulation of carotenoids outside the plastid. Furthermore, the utilization of engineered microorganisms allowed efficient mass production of carotenoids, making it convenient for industrial practices. Interestingly, manipulation of carotenoid biosynthesis can also influence plant architecture, and positively impact growth and yield, making it an important target for crop improvements beyond biofortification. Here, we briefly describe carotenoid biosynthesis and highlight the latest advances and discoveries related to synthetic carotenoid metabolism in plants and microorganisms.
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Affiliation(s)
- Alice Stra
- The Bioactives Laboratory, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Lamyaa O. Almarwaey
- The Bioactives Laboratory, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Yagiz Alagoz
- The Bioactives Laboratory, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Juan C. Moreno
- The Bioactives Laboratory, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Salim Al-Babili
- The Bioactives Laboratory, Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
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20
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Ablazov A, Votta C, Fiorilli V, Wang JY, Aljedaani F, Jamil M, Balakrishna A, Balestrini R, Liew KX, Rajan C, Berqdar L, Blilou I, Lanfranco L, Al-Babili S. ZAXINONE SYNTHASE 2 regulates growth and arbuscular mycorrhizal symbiosis in rice. PLANT PHYSIOLOGY 2023; 191:382-399. [PMID: 36222582 PMCID: PMC9806602 DOI: 10.1093/plphys/kiac472] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/09/2022] [Indexed: 05/24/2023]
Abstract
Carotenoid cleavage, catalyzed by CAROTENOID CLEAVAGE DIOXYGENASEs (CCDs), provides signaling molecules and precursors of plant hormones. Recently, we showed that zaxinone, a apocarotenoid metabolite formed by the CCD ZAXINONE SYNTHASE (ZAS), is a growth regulator required for normal rice (Oryza sativa) growth and development. The rice genome encodes three OsZAS homologs, called here OsZAS1b, OsZAS1c, and OsZAS2, with unknown functions. Here, we investigated the enzymatic activity, expression pattern, and subcellular localization of OsZAS2 and generated and characterized loss-of-function CRISPR/Cas9 (clustered regularly interspaced short palindromic repeats and associated protein 9)-Oszas2 mutants. We show that OsZAS2 formed zaxinone in vitro. OsZAS2 was predominantly localized in plastids and mainly expressed under phosphate starvation. Moreover, OsZAS2 expression increased during mycorrhization, specifically in arbuscule-containing cells. Oszas2 mutants contained lower zaxinone content in roots and exhibited reduced root and shoot biomass, fewer tillers, and higher strigolactone (SL) levels. Exogenous zaxinone application repressed SL biosynthesis and partially rescued the growth retardation of the Oszas2 mutant. Consistent with the OsZAS2 expression pattern, Oszas2 mutants displayed a lower frequency of arbuscular mycorrhizal colonization. In conclusion, OsZAS2 is a zaxinone-forming enzyme that, similar to the previously reported OsZAS, determines rice growth, architecture, and SL content, and is required for optimal mycorrhization.
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Affiliation(s)
| | | | - Valentina Fiorilli
- Department of Life Sciences and Systems Biology, University of Torino, Torino 10125, Italy
| | - Jian You Wang
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Fatimah Aljedaani
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Cell and Developmental Biology, Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Muhammad Jamil
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Aparna Balakrishna
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Raffaella Balestrini
- National Research Council, Institute for Sustainable Plant Protection, Turin 10135, Italy
| | - Kit Xi Liew
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Chakravarthy Rajan
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Lamis Berqdar
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture (CDA), King Abdullah University of Science and Technology (KAUST), The BioActives Lab, Thuwal, 23955-15 6900, Saudi Arabia
| | - Ikram Blilou
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Cell and Developmental Biology, Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia
| | - Luisa Lanfranco
- Department of Life Sciences and Systems Biology, University of Torino, Torino 10125, Italy
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Wang JY, Fiorilli V, Lanfranco L, Asami T, Al-Babili S. Editorial: Specialized metabolites manipulating organismal behaviors and rhizospheric communications. FRONTIERS IN PLANT SCIENCE 2023; 14:1197058. [PMID: 37152140 PMCID: PMC10158978 DOI: 10.3389/fpls.2023.1197058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 04/06/2023] [Indexed: 05/09/2023]
Affiliation(s)
- Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Valentina Fiorilli
- Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy
| | - Luisa Lanfranco
- Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy
| | - Tadao Asami
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- The Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- *Correspondence: Salim Al-Babili,
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22
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Soliman S, Wang Y, Han Z, Pervaiz T, El-kereamy A. Strigolactones in Plants and Their Interaction with the Ecological Microbiome in Response to Abiotic Stress. PLANTS (BASEL, SWITZERLAND) 2022; 11:3499. [PMID: 36559612 PMCID: PMC9781102 DOI: 10.3390/plants11243499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 12/07/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Phytohormones play an essential role in enhancing plant tolerance by responding to abiotic stresses, such as nutrient deficiency, drought, high temperature, and light stress. Strigolactones (SLs) are carotenoid derivatives that occur naturally in plants and are defined as novel phytohormones that regulate plant metabolism, growth, and development. Strigolactone assists plants in the acquisition of defensive characteristics against drought stress by initiating physiological responses and mediating the interaction with soil microorganisms. Nutrient deficiency is an important abiotic stress factor, hence, plants perform many strategies to survive against nutrient deficiency, such as enhancing the efficiency of nutrient uptake and forming beneficial relationships with microorganisms. Strigolactone attracts various microorganisms and provides the roots with essential elements, including nitrogen and phosphorus. Among these advantageous microorganisms are arbuscular mycorrhiza fungi (AMF), which regulate plant metabolic activities through phosphorus providing in roots. Bacterial nodulations are also nitrogen-fixing microorganisms found in plant roots. This symbiotic relationship is maintained as the plant provides organic molecules, produced in the leaves, that the bacteria could otherwise not independently generate. Related stresses, such as light stress and high-temperature stress, could be affected directly or indirectly by strigolactone. However, the messengers of these processes are unknown. The most prominent connector messengers have been identified upon the discovery of SLs and the understanding of their hormonal effect. In addition to attracting microorganisms, these groups of phytohormones affect photosynthesis, bridge other phytohormones, induce metabolic compounds. In this article, we highlighted the brief information available on SLs as a phytohormone group regarding their common related effects. In addition, we reviewed the status and described the application of SLs and plant response to abiotic stresses. This allowed us to comprehend plants' communication with the ecological microbiome as well as the strategies plants use to survive under various stresses. Furthermore, we identify and classify the SLs that play a role in stress resistance since many ecological microbiomes are unexplained.
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Affiliation(s)
- Sabry Soliman
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 92521, USA
- Department of Horticulture, Faculty of Agriculture, Ain Shams University, Cairo 11566, Egypt
- Department of Fruit Science, College of Horticulture, China Agriculture University, Beijing 100083, China
| | - Yi Wang
- Department of Fruit Science, College of Horticulture, China Agriculture University, Beijing 100083, China
| | - Zhenhai Han
- Department of Fruit Science, College of Horticulture, China Agriculture University, Beijing 100083, China
| | - Tariq Pervaiz
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 92521, USA
| | - Ashraf El-kereamy
- Department of Botany and Plant Sciences, University of California Riverside, Riverside, CA 92521, USA
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23
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Salem MA, Wang JY, Al-Babili S. Metabolomics of plant root exudates: From sample preparation to data analysis. FRONTIERS IN PLANT SCIENCE 2022; 13:1062982. [PMID: 36561464 PMCID: PMC9763704 DOI: 10.3389/fpls.2022.1062982] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
Plants release a set of chemical compounds, called exudates, into the rhizosphere, under normal conditions and in response to environmental stimuli and surrounding soil organisms. Plant root exudates play indispensable roles in inhibiting the growth of harmful microorganisms, while also promoting the growth of beneficial microbes and attracting symbiotic partners. Root exudates contain a complex array of primary and specialized metabolites. Some of these chemicals are only found in certain plant species for shaping the microbial community in the rhizosphere. Comprehensive understanding of plant root exudates has numerous applications from basic sciences to enhancing crop yield, production of stress-tolerant crops, and phytoremediation. This review summarizes the metabolomics workflow for determining the composition of root exudates, from sample preparation to data acquisition and analysis. We also discuss recent advances in the existing analytical methods and future perspectives of metabolite analysis.
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Affiliation(s)
- Mohamed A. Salem
- Department of Pharmacognosy and Natural Products, Faculty of Pharmacy, Menoufia University, Menoufia, Egypt
| | - Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, Biological and Environment Science and Engineering (BESE), King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, Biological and Environment Science and Engineering (BESE), King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
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24
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Wang JY, Braguy J, Chen GTE, Jamil M, Balakrishna A, Berqdar L, Al-Babili S. Perspectives on the metabolism of strigolactone rhizospheric signals. FRONTIERS IN PLANT SCIENCE 2022; 13:1062107. [PMID: 36507392 PMCID: PMC9729874 DOI: 10.3389/fpls.2022.1062107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 11/10/2022] [Indexed: 06/17/2023]
Abstract
Strigolactones (SLs) are a plant hormone regulating different processes in plant development and adjusting plant's architecture to nutrition availability. Moreover, SLs are released by plants to communicate with beneficial fungi in the rhizosphere where they are, however, abused as chemical cues inducing seed germination of root parasitic weeds, e.g. Striga spp., and guiding them towards host plants in their vicinity. Based on their structure, SLs are divided into canonical and non-canonical SLs. In this perspective, we describe the metabolism of root-released SLs and SL pattern in rice max1-900 mutants, which are affected in the biosynthesis of canonical SLs, and show the accumulation of two putative non-canonical SLs, CL+30 and CL+14. Using max1-900 and SL-deficient d17 rice mutants, we further investigated the metabolism of non-canonical SLs and their possible biological roles. Our results show that the presence and further metabolism of canonical and non-canonical SLs are particularly important for their role in rhizospheric interactions, such as that with root parasitic plants. Hence, we proposed that the root-released SLs are mainly responsible for rhizospheric communications and have low impact on plant architecture, which makes targeted manipulation of root-released SLs an option for rhizospheric engineering.
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Affiliation(s)
- Jian You Wang
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Justine Braguy
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Guan-Ting Erica Chen
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Muhammad Jamil
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Aparna Balakrishna
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Lamis Berqdar
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
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25
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Sierra J, McQuinn RP, Leon P. The role of carotenoids as a source of retrograde signals: impact on plant development and stress responses. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:7139-7154. [PMID: 35776102 DOI: 10.1093/jxb/erac292] [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: 03/03/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Communication from plastids to the nucleus via retrograde signal cascades is essential to modulate nuclear gene expression, impacting plant development and environmental responses. Recently, a new class of plastid retrograde signals has emerged, consisting of acyclic and cyclic carotenoids and/or their degradation products, apocarotenoids. Although the biochemical identity of many of the apocarotenoid signals is still under current investigation, the examples described herein demonstrate the central roles that these carotenoid-derived signals play in ensuring plant development and survival. We present recent advances in the discovery of apocarotenoid signals and their role in various plant developmental transitions and environmental stress responses. Moreover, we highlight the emerging data exposing the highly complex signal transduction pathways underlying plastid to nucleus apocarotenoid retrograde signaling cascades. Altogether, this review summarizes the central role of the carotenoid pathway as a major source of retrograde signals in plants.
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Affiliation(s)
- Julio Sierra
- Departamento de Biología Molecular de Plantas, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad, Ciudada de México, México
| | - Ryan P McQuinn
- School of Science, Western Sydney University, Penrith, NSW, Australia
| | - Patricia Leon
- Departamento de Biología Molecular de Plantas, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Av. Universidad, Ciudada de México, México
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26
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Yang M, Dong X, Zhu Y, Song J, Wei J, Wu Z, Zhao Y. Effect of different mixed light-emitting diode light wavelengths on CO 2 absorption from biogas and nutrient removal from biogas slurry by microalgae and fungi induced using strigolactone and endophytic bacteria. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2022; 94:e10812. [PMID: 36433882 DOI: 10.1002/wer.10812] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/22/2022] [Accepted: 10/30/2022] [Indexed: 06/16/2023]
Abstract
In this study, biogas and biogas slurry were simultaneously treated using two symbiotic systems: Chlorella vulgaris-Ganoderma lucidum-S395-2 (endophytic bacteria) and Scenedesmus obliquus-G. lucidum-S395-2. The influence of different mixed illumination (red and blue) intensity ratios on the algal symbionts' extracellular carbonic anhydrase activities was investigated, as well as the rates of microalgal growth and photosynthesis. The treatment performance was simultaneously assessed in terms of the efficiency of organic matter or nutrient removal and the level of CO2 absorption. The results indicated that red-blue light combinations with an intensity ratio of 5:5 were optimal. When comparing the performance of the two symbiotic systems, the C. vulgaris-G. lucidum-S395-2 symbiont co-culture system achieved significantly improved photosynthetic rates, biomass growth, and treatment effects. Under the optimal treatment conditions, the organic matter and nutrient removal rates were 81.06% ± 7.06% for chemical oxygen demand, 82.32% ± 7.18% for total nitrogen, and 82.98% ± 7.26% for total phosphorus. In addition, the rate of CO2 removal from biogas was 63.38% ± 5.35%. PRACTITIONER POINTS: The red and blue light intensity ratio of 5:5 showed the best removal performance. C. vulgaris-G. lucidum-S395-2 system obtained the best photosynthetic performance. The carbonic anhydrase activity had positive effects on CO2 removal performance.
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Affiliation(s)
- Meiying Yang
- College of life sciences, Jilin Agricultural University, Changchun, China
| | - Xuechang Dong
- College of life sciences, Jilin Agricultural University, Changchun, China
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing, China
| | - Yuan Zhu
- College of life sciences, Jilin Agricultural University, Changchun, China
| | - Jian Song
- College of life sciences, Jilin Agricultural University, Changchun, China
| | - Jing Wei
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing, China
| | - Zhihai Wu
- College of agronomy, Jilin Agricultural University, Changchun, China
| | - Yongjun Zhao
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing, China
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27
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Ito S, Braguy J, Wang JY, Yoda A, Fiorilli V, Takahashi I, Jamil M, Felemban A, Miyazaki S, Mazzarella T, Chen GTE, Shinozawa A, Balakrishna A, Berqdar L, Rajan C, Ali S, Haider I, Sasaki Y, Yajima S, Akiyama K, Lanfranco L, Zurbriggen MD, Nomura T, Asami T, Al-Babili S. Canonical strigolactones are not the major determinant of tillering but important rhizospheric signals in rice. SCIENCE ADVANCES 2022; 8:eadd1278. [PMID: 36322663 PMCID: PMC9629705 DOI: 10.1126/sciadv.add1278] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 09/14/2022] [Indexed: 05/09/2023]
Abstract
Strigolactones (SLs) are a plant hormone inhibiting shoot branching/tillering and a rhizospheric, chemical signal that triggers seed germination of the noxious root parasitic plant Striga and mediates symbiosis with beneficial arbuscular mycorrhizal fungi. Identifying specific roles of canonical and noncanonical SLs, the two SL subfamilies, is important for developing Striga-resistant cereals and for engineering plant architecture. Here, we report that rice mutants lacking canonical SLs do not show the shoot phenotypes known for SL-deficient plants, exhibiting only a delay in establishing arbuscular mycorrhizal symbiosis, but release exudates with a significantly decreased Striga seed-germinating activity. Blocking the biosynthesis of canonical SLs by TIS108, a specific enzyme inhibitor, significantly lowered Striga infestation without affecting rice growth. These results indicate that canonical SLs are not the determinant of shoot architecture and pave the way for increasing crop resistance by gene editing or chemical treatment.
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Affiliation(s)
- Shinsaku Ito
- Department of Bioscience, Faculty of Life Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
| | - Justine Braguy
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Institute of Synthetic Biology and CEPLAS, University of Düsseldorf, Universitätstrasse 1, Building 26.12.U1.25, Düsseldorf 40225, Germany
| | - Jian You Wang
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Akiyoshi Yoda
- Department of Biological Production Science, United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
| | - Valentina Fiorilli
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino 10125, Italy
| | - Ikuo Takahashi
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Muhammad Jamil
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Abrar Felemban
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Sho Miyazaki
- Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan
| | - Teresa Mazzarella
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino 10125, Italy
| | - Guan-Ting Erica Chen
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Akihisa Shinozawa
- Department of Bioscience, Faculty of Life Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
- Genome Research Center, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
| | - Aparna Balakrishna
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Lamis Berqdar
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Chakravarty Rajan
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Shawkat Ali
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Kentville Research and Development Centre, 32 Main Street, Kentville, NS B4N 1J5, Canada
| | - Imran Haider
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
| | - Yasuyuki Sasaki
- Department of Bioscience, Faculty of Life Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
| | - Shunsuke Yajima
- Department of Bioscience, Faculty of Life Science, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya, Tokyo 156-8502, Japan
| | - Kohki Akiyama
- Department of Applied Life Sciences, Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Luisa Lanfranco
- Department of Life Sciences and Systems Biology, University of Torino, Viale Mattioli 25, Torino 10125, Italy
| | - Matias D. Zurbriggen
- Institute of Synthetic Biology and CEPLAS, University of Düsseldorf, Universitätstrasse 1, Building 26.12.U1.25, Düsseldorf 40225, Germany
| | - Takahito Nomura
- Department of Biological Production Science, United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
- Center for Bioscience Research and Education, Utsunomiya University, 350 Minemachi, Utsunomiya, Tochigi 321-8505, Japan
| | - Tadao Asami
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
| | - Salim Al-Babili
- King Abdullah University of Science and Technology (KAUST), Biological and Environmental Sciences and Engineering Division, The BioActives Lab, Thuwal 23955-6900, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
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28
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Zheng X, Mi J, Balakrishna A, Liew KX, Ablazov A, Sougrat R, Al‐Babili S. Gardenia carotenoid cleavage dioxygenase 4a is an efficient tool for biotechnological production of crocins in green and non-green plant tissues. PLANT BIOTECHNOLOGY JOURNAL 2022; 20:2202-2216. [PMID: 35997958 PMCID: PMC9616529 DOI: 10.1111/pbi.13901] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 07/03/2022] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
Crocins are beneficial antioxidants and potential chemotherapeutics that give raise, together with picrocrocin, to the colour and taste of saffron, the most expensive spice, respectively. Crocins are formed from crocetin dialdehyde that is produced in Crocus sativus from zeaxanthin by the carotenoid cleavage dioxygenase 2L (CsCCD2L), while GjCCD4a from Gardenia jasminoides, another major source of crocins, converted different carotenoids, including zeaxanthin, into crocetin dialdehyde in bacterio. To establish a biotechnological platform for sustainable production of crocins, we investigated the enzymatic activity of GjCCD4a, in comparison with CsCCD2L, in citrus callus engineered by Agrobacterium-mediated supertransformation of multi genes and in transiently transformed Nicotiana benthamiana leaves. We demonstrate that co-expression of GjCCD4a with phytoene synthase and β-carotene hydroxylase genes is an optimal combination for heterologous production of crocetin, crocins and picrocrocin in citrus callus. By profiling apocarotenoids and using in vitro assays, we show that GjCCD4a cleaved β-carotene, in planta, and produced crocetin dialdehyde via C30 β-apocarotenoid intermediate. GjCCD4a also cleaved C27 β-apocarotenoids, providing a new route for C17 -dialdehyde biosynthesis. Callus lines overexpressing GjCCD4a contained higher number of plastoglobuli in chromoplast-like plastids and increased contents in phytoene, C17:0 fatty acid (FA), and C18:1 cis-9 and C22:0 FA esters. GjCCD4a showed a wider substrate specificity and higher efficiency in Nicotiana leaves, leading to the accumulation of up to 1.6 mg/g dry weight crocins. In summary, we established a system for investigating CCD enzymatic activity in planta and an efficient biotechnological platform for crocins production in green and non-green crop tissues/organs.
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Affiliation(s)
- Xiongjie Zheng
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
| | - Jianing Mi
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
| | - Aparna Balakrishna
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
| | - Kit Xi Liew
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
| | - Abdugaffor Ablazov
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
| | - Rachid Sougrat
- Advanced Nanofabrication Imaging and Characterization CenterKing Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
| | - Salim Al‐Babili
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and Technology (KAUST)ThuwalSaudi Arabia
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29
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Ke D, Guo J, Li K, Wang Y, Han X, Fu W, Miao Y, Jia KP. Carotenoid-derived bioactive metabolites shape plant root architecture to adapt to the rhizospheric environments. FRONTIERS IN PLANT SCIENCE 2022; 13:986414. [PMID: 36388571 PMCID: PMC9643742 DOI: 10.3389/fpls.2022.986414] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
Roots are important plant organs for the uptake of water and nutrient elements. Plant root development is finely regulated by endogenous signals and environmental cues, which shapes the root system architecture to optimize the plant growth and adapt to the rhizospheric environments. Carotenoids are precursors of plant hormones strigolactones (SLs) and ABA, as well as multiple bioactive molecules. Numerous studies have demonstrated SLs and ABA as essential regulators of plant root growth and development. In addition, a lot carotenoid-derived bioactive metabolites are recently identified as plant root growth regulators, such as anchorene, β-cyclocitral, retinal and zaxinone. However, our knowledge on how these metabolites affect the root architecture to cope with various stressors and how they interact with each other during these processes is still quite limited. In the present review, we will briefly introduce the biosynthesis of carotenoid-derived root regulators and elaborate their biological functions on root development and architecture, focusing on their contribution to the rhizospheric environmental adaption of plants.
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Affiliation(s)
- Danping Ke
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
| | - Jinggong Guo
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
- Sanya Institute of Henan University, Sanya, Hainan, China
- Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
| | - Kun Li
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
- Sanya Institute of Henan University, Sanya, Hainan, China
- Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
| | - Yujie Wang
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
| | - Xiaomeng Han
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
| | - Weiwei Fu
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
| | - Yuchen Miao
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
- Sanya Institute of Henan University, Sanya, Hainan, China
- Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
| | - Kun-Peng Jia
- State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Kaifeng, China
- Sanya Institute of Henan University, Sanya, Hainan, China
- Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
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Li F, Gong X, Liang Y, Peng L, Han X, Wen M. Characteristics of a new carotenoid cleavage dioxygenase NtCCD10 derived from Nicotiana tabacum. PLANTA 2022; 256:100. [PMID: 36251100 DOI: 10.1007/s00425-022-04013-y] [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: 07/14/2022] [Accepted: 10/09/2022] [Indexed: 06/16/2023]
Abstract
A new carotenoid cleavage dioxygenase NtCCD10 from tobacco was characterized. There is some difference between NtCCD10 and CCD1 in structure. NtCCD10 can cleave the C5-C6 (C5'-C6') and C9-C10 (C9'-C10') double bonds of carotenoids and has high catalytic activity. Carotenoid cleavage dioxygenases (CCDs) cleave carotenoids to produce a variety of apocarotenoids, which have important biological functions for organisms in nature. There are eleven CCDs subfamilies in the plant kingdom, many of which have been extensively characterized in their functions. However, as a newly classified subfamily, the function of CCD10 has rarely been studied. In this work, the function of an NtCCD10 gene from dicotyledonous Nicotiana tabacum was cloned and characterized, and its phylogeny, molecular structural modeling and protein structure were also systematically analyzed. Like other CCDs, NtCCD10 also possesses a seven bladed β-propeller with Fe2+ cofactor in its center constituting the active site of the enzyme. The Fe2+ is also coordinated bonding with four conserved histidine residues. Meanwhile, NtCCD10 also has many unique features, such as its α1 and α3 helixes are not anti-parallel, a special β-sheet and a longer access tunnel for substrates. When expressed in engineered Escherichia coli (producing phytoene, lycopene, β-carotene, and zeaxanthin) and Saccharomyces cerevisiae (producing β-carotene), NtCCD10 could symmetrically cleave phytoene and β-carotene at the C9-C10 and C9'-C10' positions to produce geranylacetone and β-ionone, respectively. In addition, NtCCD10 could also cleave the C5-C6 and C5'-C6' double bonds of lycopene to generate 6-methyl-5-heptene-2-one (MHO). NtCCD10 has higher catalytic activity than PhCCD1 in yeast, which provides a good candidate CCD for biosynthesis of β-ionone and has potential applications in biotechnological industry. This study identified the taxonomic position and catalytic activity of the first NtCCD10 in dicotyledonous plants. This will provide a reference for the discovery and functional identification of CCD10 enzymes in dicotyledons.
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Affiliation(s)
- Fan Li
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, School of Life Sciences, Yunnan Institute of Microbiology, Yunnan University, Kunming, 650091, Yunnan, China
| | - Xiaowei Gong
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, School of Life Sciences, Yunnan Institute of Microbiology, Yunnan University, Kunming, 650091, Yunnan, China
- R & D Center of China Tobacco Yunnan Industrial Co., Ltd, Kunming, 650231, Yunnan, China
| | - Yupeng Liang
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, School of Life Sciences, Yunnan Institute of Microbiology, Yunnan University, Kunming, 650091, Yunnan, China
| | - Lijuan Peng
- Yunnan Tobacco Quality Supervision and Test Station, Kunming, 650106, Yunnan, China
| | - Xiulin Han
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, School of Life Sciences, Yunnan Institute of Microbiology, Yunnan University, Kunming, 650091, Yunnan, China.
| | - Mengliang Wen
- National Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Key Laboratory of Microbial Diversity in Southwest China, Ministry of Education, School of Life Sciences, Yunnan Institute of Microbiology, Yunnan University, Kunming, 650091, Yunnan, China.
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Votta C, Fiorilli V, Haider I, Wang JY, Balestrini R, Petřík I, Tarkowská D, Novák O, Serikbayeva A, Bonfante P, Al‐Babili S, Lanfranco L. Zaxinone synthase controls arbuscular mycorrhizal colonization level in rice. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 111:1688-1700. [PMID: 35877598 PMCID: PMC9543690 DOI: 10.1111/tpj.15917] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 07/05/2022] [Accepted: 07/21/2022] [Indexed: 05/12/2023]
Abstract
The Oryza sativa (rice) carotenoid cleavage dioxygenase OsZAS was described to produce zaxinone, a plant growth-promoting apocarotenoid. A zas mutant line showed reduced arbuscular mycorrhizal (AM) colonization, but the mechanisms underlying this behavior are unknown. Here, we investigated how OsZAS and exogenous zaxinone treatment regulate mycorrhization. Micromolar exogenous supply of zaxinone rescued root growth but not the mycorrhizal defects of the zas mutant, and even reduced mycorrhization in wild-type and zas genotypes. The zas line did not display the increase in the level of strigolactones (SLs) that was observed in wild-type plants at 7 days post-inoculation with AM fungus. Moreover, exogenous treatment with the synthetic SL analog GR24 rescued the zas mutant mycorrhizal phenotype, indicating that the lower AM colonization rate of zas is caused by a deficiency in SLs at the early stages of the interaction, and indicating that during this phase OsZAS activity is required to induce SL production, possibly mediated by the Dwarf14-Like (D14L) signaling pathway. OsZAS is expressed in arbuscule-containing cells, and OsPT11prom::OsZAS transgenic lines, where OsZAS expression is driven by the OsPT11 promoter active in arbusculated cells, exhibit increased mycorrhization compared with the wild type. Overall, our results show that the genetic manipulation of OsZAS activity in planta leads to a different effect on AM symbiosis from that of exogenous zaxinone treatment, and demonstrate that OsZAS influences the extent of AM colonization, acting as a component of a regulatory network that involves SLs.
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Affiliation(s)
- Cristina Votta
- Department of Life Sciences and Systems BiologyUniversity of TurinTurin10125Italy
| | - Valentina Fiorilli
- Department of Life Sciences and Systems BiologyUniversity of TurinTurin10125Italy
| | - Imran Haider
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and TechnologyThuwal23955Saudi Arabia
| | - Jian You Wang
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and TechnologyThuwal23955Saudi Arabia
| | - Raffaella Balestrini
- National Research CouncilInstitute for Sustainable Plant ProtectionTurin10135Italy
| | - Ivan Petřík
- Laboratory of Growth Regulators, Faculty of SciencePalacký University and Institute of Experimental Botany, The Czech Academy of SciencesOlomouc78371Czech Republic
| | - Danuše Tarkowská
- Laboratory of Growth Regulators, Faculty of SciencePalacký University and Institute of Experimental Botany, The Czech Academy of SciencesOlomouc78371Czech Republic
| | - Ondřej Novák
- Laboratory of Growth Regulators, Faculty of SciencePalacký University and Institute of Experimental Botany, The Czech Academy of SciencesOlomouc78371Czech Republic
| | - Akmaral Serikbayeva
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and TechnologyThuwal23955Saudi Arabia
| | - Paola Bonfante
- Department of Life Sciences and Systems BiologyUniversity of TurinTurin10125Italy
| | - Salim Al‐Babili
- The BioActives Lab, Center for Desert Agriculture (CDA), Biological and Environment Science and Engineering (BESE)King Abdullah University of Science and TechnologyThuwal23955Saudi Arabia
| | - Luisa Lanfranco
- Department of Life Sciences and Systems BiologyUniversity of TurinTurin10125Italy
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Effect of Different Cytokinins on Shoot Outgrowth and Bioactive Compounds Profile of Lemograss Essential Oil. INTERNATIONAL JOURNAL OF PLANT BIOLOGY 2022. [DOI: 10.3390/ijpb13030025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Lemongrass (Cymbopogon citratus) essential oil (EO) is a major source of bioactive compounds (BC) with anticancer activity such as α-citral, limonene, geraniol, geranyl acetate, and β-caryophyllene. Comparative studies about cytokinin effects on BC profiles in lemongrass are missing. Here, we evaluated four cytokinins (2iP, tZ, BAP, and KIN) in two different osmotic media, MS-N (3% sucrose, 3 g L−1 Gelrite™) and MS-S (5% sucrose, 5 g L−1 Gelrite™). It results in a higher multiplication rate in BAP containing medium compared to tZ, KIN, and 2iP (p ≤ 0.05). While shoots grown on MS-N/BAP, tZ, and KIN exhibited a highly branching morphology, MS-N/2iP produced a less branching architecture. BC profile analysis of established plants in pots revealed that their maxima production depends on the in vitro shoot growth conditions: i.e., highest content (80%) of α-citral in plants that were cultured in MS-S/BAP (p ≤ 0.05), limonene (41%) in MS-N/2iP, or geranyl acetate (25.79%) in MS-S/2iP. These results indicate that it is possible to increase or address the production of BC in lemongrass by manipulating the cytokinin type and osmotic pressure in culture media. The culture protocol described here is currently successfully applied for somatic embryogenesis induction and genetic transformation in lemongrass.
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Wang Y, Xu J, Liu A. Identification of the carotenoid cleavage dioxygenase genes and functional analysis reveal DoCCD1 is potentially involved in beta-ionone formation in Dendrobium officinale. FRONTIERS IN PLANT SCIENCE 2022; 13:967819. [PMID: 35991395 PMCID: PMC9387305 DOI: 10.3389/fpls.2022.967819] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/11/2022] [Indexed: 06/12/2023]
Abstract
The carotenoids are the most widely distributed secondary metabolites in plants and can be degraded by carotenoid cleavage dioxygenase (CCD) to form apocarotenoids including an important C13 compound beta-ionone. Volatile beta-ionone can confer the violet and woody fragrance to plant essential oils, flowers, fruits, and vegetables, which therefore has been used in various industries. Dendrobium officinale is a traditional medicinal plant. However, there was limited information on the key enzymes involved in the biosynthesis of beta-ionone in D. officinale. In the present study, beta-ionone was detected in stems and leaves of D. officinale and genome-wide identification and expression profiles of CCD genes were subsequently carried out. There were nine DoCCD members in D. officinale. According to the phylogenetic relationship, DoCCD proteins were classified into six subfamilies including CCD1, CCD4, CCD7, CCD8, nine-cis-epoxycarotenoid dioxygenase (NCED) and zaxinone synthase (ZAS). DoCCD genes showed distinctive expression profiles and DoCCD1 gene was abundantly expressed in eight tissues. Induced expression of DoCCD1 gene resulted in discoloration of Escerichia coli strains that can accumulate carotenoids. Analysis of Gas Chromatography/Mass Spectrometer showed that DoCCD1 enzyme can cleave lycopene to produce 6-methyl-5-hepten-2-one and pseudoionone and also catalyze beta-carotene to form beta-ionone. Expression of DoCCD1 gene in Nicotiana benthamiana leaf resulted in production of abundant beta-ionone. Overall, the present study first provides valuable information on the CCD gene family in D. officinale, function of DoCCD1 gene as well as production of beta-ionone through genetic modification.
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Affiliation(s)
- Yue Wang
- Key Laboratory of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Bio-Innovation Center of DR PLANT, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Jianchu Xu
- Key Laboratory of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Aizhong Liu
- Key Laboratory for Forest Resources Conservation and Utilization in the Southwest Mountains of China, Ministry of Education, Southwest Forestry University, Kunming, China
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Wang JY, Chen GTE, Jamil M, Braguy J, Sioud S, Liew KX, Balakrishna A, Al-Babili S. Protocol for characterizing strigolactones released by plant roots. STAR Protoc 2022; 3:101352. [PMID: 35620066 PMCID: PMC9127222 DOI: 10.1016/j.xpro.2022.101352] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The plant hormone strigolactones (SLs) are secreted by plant roots to act as rhizospheric signals. Here, we present a protocol for characterizing plant-released SLs. We first outline all necessary steps required for collection, processing, and analysis of plant root exudates using the C18 column for SL extraction, followed by liquid chromatography-mass spectrometry (LC-MS) for SL quantification. We then describe image processing by SeedQuant, an open-source artificial-intelligence-based software, for measuring the biological activity of SLs in inducing root parasitic plant seed germination. For complete details on the use and execution of this protocol, please refer to Wang et al. (2019) and Braguy et al. (2021).
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Affiliation(s)
- Jian You Wang
- The BioActives Lab, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Guan-Ting Erica Chen
- The BioActives Lab, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Muhammad Jamil
- The BioActives Lab, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Justine Braguy
- The BioActives Lab, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Salim Sioud
- Analytical Chemistry Core Lab, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Kit Xi Liew
- The BioActives Lab, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Aparna Balakrishna
- The BioActives Lab, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Salim Al-Babili
- The BioActives Lab, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
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35
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Wang JY, Jamil M, Hossain MG, Chen GTE, Berqdar L, Ota T, Blilou I, Asami T, Al-Solimani SJ, Mousa MAA, Al-Babili S. Evaluation of the Biostimulant Activity of Zaxinone Mimics (MiZax) in Crop Plants. FRONTIERS IN PLANT SCIENCE 2022; 13:874858. [PMID: 35783933 PMCID: PMC9245435 DOI: 10.3389/fpls.2022.874858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 05/02/2022] [Indexed: 06/15/2023]
Abstract
Global food security is a critical concern that needs practical solutions to feed the expanding human population. A promising approach is the employment of biostimulants to increase crop production. Biostimulants include compounds that boost plant growth. Recently, mimics of zaxinone (MiZax) were shown to have a promising growth-promoting effect in rice (Oryza sativa). In this study, we investigated the effect of MiZax on the growth and yield of three dicot horticultural plants, namely, tomato (Solanum lycopersicum), capsicum (Capsicum annuum), and squash (Cucurbita pepo) in different growth environments, as well as on the growth and development of the monocot date palm (Phoenix dactylifera), an important crop in the Middle East. The application of MiZax significantly enhanced plant height, flower, and branch numbers, fruit size, and total fruit yield in independent field trials from 2020 to 2021. Importantly, the amount of applied MiZax was far less than that used with the commercial compound humic acid, a widely used biostimulant in horticulture. Our results indicate that MiZax have significant application potential to improve the performance and productivity of horticultural crops.
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Affiliation(s)
- Jian You Wang
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Muhammad Jamil
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Md. Golap Hossain
- Department of Arid Land Agriculture, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Guan-Ting Erica Chen
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Lamis Berqdar
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Tsuyoshi Ota
- Applied Biological Chemistry, The University of Tokyo, Bunkyo City, Japan
| | - Ikram Blilou
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- The Laboratory of Plant Cell and Developmental Biology, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Tadao Asami
- Applied Biological Chemistry, The University of Tokyo, Bunkyo City, Japan
| | - Samir Jamil Al-Solimani
- Department of Arid Land Agriculture, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Magdi Ali Ahmed Mousa
- Department of Arid Land Agriculture, Faculty of Meteorology, Environment and Arid Land Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Vegetables, Faculty of Agriculture, Assiut University, Assiut, Egypt
| | - Salim Al-Babili
- The Bio Actives Lab, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Center for Desert Agriculture, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
- Plant Science Program, Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
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Molecular Regulation of Arbuscular Mycorrhizal Symbiosis. Int J Mol Sci 2022; 23:ijms23115960. [PMID: 35682640 PMCID: PMC9180548 DOI: 10.3390/ijms23115960] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 02/07/2023] Open
Abstract
Plant-microorganism interactions at the rhizosphere level have a major impact on plant growth and plant tolerance and/or resistance to biotic and abiotic stresses. Of particular importance for forestry and agricultural systems is the cooperative and mutualistic interaction between plant roots and arbuscular mycorrhizal (AM) fungi from the phylum Glomeromycotina, since about 80% of terrestrial plant species can form AM symbiosis. The interaction is tightly regulated by both partners at the cellular, molecular and genetic levels, and it is highly dependent on environmental and biological variables. Recent studies have shown how fungal signals and their corresponding host plant receptor-mediated signalling regulate AM symbiosis. Host-generated symbiotic responses have been characterized and the molecular mechanisms enabling the regulation of fungal colonization and symbiosis functionality have been investigated. This review summarizes these and other recent relevant findings focusing on the molecular players and the signalling that regulate AM symbiosis. Future progress and knowledge about the underlying mechanisms for AM symbiosis regulation will be useful to facilitate agro-biotechnological procedures to improve AM colonization and/or efficiency.
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Zhang H, Xu B, Zhao C, Liu J, Zhao Y, Sun S, Wei J. Simultaneous biogas upgrading and biogas slurry treatment by different microalgae-based technologies under various strigolactone analog (GR24) concentrations. BIORESOURCE TECHNOLOGY 2022; 351:127033. [PMID: 35314306 DOI: 10.1016/j.biortech.2022.127033] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/14/2022] [Accepted: 03/16/2022] [Indexed: 06/14/2023]
Abstract
In this research, the effects of exogenous strigolactone analog (GR24) on the growth rate, daily productivity and photosynthesis of symbiotes of Chlorella vulgaris (C. vulgaris)-Ganoderma lucidum (G. lucidum)-endophytic bacteria, C. vulgaris-G. lucidum-activated sludge and C. vulgaris-G. lucidum-multi-walled carbon nanotube, and the simultaneous treatment of biogas slurry and biogas were examined. The C. vulgaris-G. lucidum-endophytic bacteria symbiote achieved the best treatment effectiveness for biogas slurry and biogas, with removal efficiencies of chemical oxygen demand, total nitrogen, total phosphorus and CO2 of 81.4 ± 7.6%, 79.6 ± 7.6%, 82.5 ± 8.2%, and 67.3 ± 6.3% under the optimal GR24 concentration of 10-9 M. Moreover, the treatment effects were positively correlated with growth performance and photosynthesis efficiency of the symbiote. These findings advance the development and application of symbiotic systems in the field of wastewater treatment and biogas upgrading.
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Affiliation(s)
- Hui Zhang
- College of Data Science, Jiaxing University, Jiaxing 314001, PR China
| | - Bing Xu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, PR China
| | - Chunzhi Zhao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 200235, PR China
| | - Juan Liu
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, PR China
| | - Yongjun Zhao
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, PR China.
| | - Shiqing Sun
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, PR China
| | - Jing Wei
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, PR China
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Fiorilli V, Forgia M, de Saint Germain A, D’Arrigo G, Cornu D, Le Bris P, Al‐Babili S, Cardinale F, Prandi C, Spyrakis F, Boyer F, Turina M, Lanfranco L. A structural homologue of the plant receptor D14 mediates responses to strigolactones in the fungal phytopathogen Cryphonectria parasitica. THE NEW PHYTOLOGIST 2022; 234:1003-1017. [PMID: 35119708 PMCID: PMC9306968 DOI: 10.1111/nph.18013] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 01/26/2022] [Indexed: 05/27/2023]
Abstract
Strigolactones (SLs) are plant hormones and important signalling molecules required to promote arbuscular mycorrhizal (AM) symbiosis. While in plants an α/β-hydrolase, DWARF14 (D14), was shown to act as a receptor that binds and cleaves SLs, the fungal receptor for SLs is unknown. Since AM fungi are currently not genetically tractable, in this study, we used the fungal pathogen Cryphonectria parasitica, for which gene deletion protocols exist, as a model, as we have previously shown that it responds to SLs. By means of computational, biochemical and genetic analyses, we identified a D14 structural homologue, CpD14. Molecular homology modelling and docking support the prediction that CpD14 interacts with and hydrolyses SLs. The recombinant CpD14 protein shows α/β hydrolytic activity in vitro against the SLs synthetic analogue GR24; its enzymatic activity requires an intact Ser/His/Asp catalytic triad. CpD14 expression in the d14-1 loss-of-function Arabidopsis thaliana line did not rescue the plant mutant phenotype. However, gene inactivation by knockout homologous recombination reduced fungal sensitivity to SLs. These results indicate that CpD14 is involved in SLs responses in C. parasitica and strengthen the role of SLs as multifunctional molecules acting in plant-microbe interactions.
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Affiliation(s)
- Valentina Fiorilli
- Dipartimento di Scienze della Vita e Biologia dei SistemiUniversità di TorinoViale P.A. Mattioli 25Torino10125Italy
| | - Marco Forgia
- Istituto per la Protezione Sostenibile delle Piante – CNRStrada delle Cacce 7310135TorinoItaly
| | | | - Giulia D’Arrigo
- Dipartimento di Scienza e Tecnologia del FarmacoUniversità di Torinovia P. Giuria 1110125TorinoItaly
| | - David Cornu
- CEA, CNRSInstitute for Integrative Biology of the Cell (I2BC)Université Paris‐Saclay1 Avenue de la Terrasse91198Gif‐sur‐YvetteFrance
| | - Philippe Le Bris
- INRAE, AgroParisTechInstitut Jean‐Pierre Bourgin (IJPB)Université Paris‐Saclay78000VersaillesFrance
| | - Salim Al‐Babili
- Division of Biological and Environmental Science and EngineeringKing Abdullah University of Science and TechnologyThuwal23955‐6900Saudi Arabia
| | - Francesca Cardinale
- Dipartimento di Scienze Agrarie, Forestali e AlimentariUniversità di TorinoLargo Braccini 210095GrugliascoItaly
| | - Cristina Prandi
- Dipartimento di ChimicaUniversità di Torinovia P. Giuria 710125TorinoItaly
| | - Francesca Spyrakis
- Dipartimento di Scienza e Tecnologia del FarmacoUniversità di Torinovia P. Giuria 1110125TorinoItaly
| | - François‐Didier Boyer
- CNRSInstitut de Chimie des Substances NaturellesUPR 2301Université Paris‐Saclay1 Avenue de la Terrasse91198Gif‐sur‐YvetteFrance
| | - Massimo Turina
- Istituto per la Protezione Sostenibile delle Piante – CNRStrada delle Cacce 7310135TorinoItaly
| | - Luisa Lanfranco
- Dipartimento di Scienze della Vita e Biologia dei SistemiUniversità di TorinoViale P.A. Mattioli 25Torino10125Italy
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Dong X, Wei J, Huang J, Zhao C, Sun S, Zhao Y, Liu J. Performance of different microalgae-fungi-bacteria co-culture technologies in photosynthetic and removal performance in response to various GR24 concentrations. BIORESOURCE TECHNOLOGY 2022; 347:126428. [PMID: 34838968 DOI: 10.1016/j.biortech.2021.126428] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/17/2021] [Accepted: 11/21/2021] [Indexed: 06/13/2023]
Abstract
The purification effect of two different microalgae-fungi-bacteria symbiosis technologies on biogas and biogas slurry was studied to determine the best symbiosis treatment technology and the suitable concentration of GR24. The results showed that the purification effect of biogas slurry in Chlorella vulgaris-Ganoderma lucidum-endophytic bacteria (S395-2) symbiont co-culture system was better than that of the biogas slurry in Scenedesmus obliquus-Pleurotus ostreatus-S395-2 symbionts. Following 10-9 M GR24 treatment, Chlorella vulgaris-Ganoderma lucidum-S395-2 symbionts had elevated mean daily production rate and growth rate by 1.92 and 1.46 folds in comparison with blank group. After adjusting the GR24 level within the range of 10-9 M-10-7 M, Ganoderma lucidum-assisted Chlorella vulgaris-S395-2 attained higher maximal removal rates for TN, COD, CO2, and TP by 10.78%, 14.62%, 3.86%, and 9.07%, respectively, compared to the rates when GR24 was not added.
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Affiliation(s)
- Xuechang Dong
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, PR China; Agronomy College, Jilin Agricultural University, Changchun 130118, Jilin, PR China
| | - Jing Wei
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, PR China
| | - Jing Huang
- College of Data Science, Jiaxing University, Jiaxing 314001, PR China
| | - Chunzhi Zhao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 200235, PR China
| | - Shiqing Sun
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, PR China
| | - Yongjun Zhao
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, PR China.
| | - Juan Liu
- College of Biological, Chemical Science and Engineering, Jiaxing University, Jiaxing 314001, PR China
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40
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Mi J, Liew KX, Al-Babili S. Ultrahigh-Performance Liquid Chromatography-Mass Spectrometry Analysis of Carotenoid-Derived Hormones and Apocarotenoids in Plants. Curr Protoc 2022; 2:e375. [PMID: 35201678 DOI: 10.1002/cpz1.375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Carotenoid oxidative cleavage products, apocarotenoids (APOs), are a class of important plant secondary metabolites, which include phytohormones abscisic acid (ABA) and strigolactones (SLs), and growth regulators and signaling molecules such as β-cyclocitral, zaxinone, anchorene, β-apo-11-carotenoids, and retinal. Qualitative and quantitative analysis of these bioactive compounds is crucial for understanding their metabolism and may also enable discovering further regulatory APOs. The state-of-the-art mass spectrometry (MS) technology has advanced the detection of plant APOs; however, it is still challenging to perform an accurate analysis of the low-level phytohormones ABA and SL and the structurally diverse APOs from complex plant matrices. Here, we describe ultrahigh-performance liquid chromatography-MS (UHPLC-MS) methods to determine carotenoid-derived hormones and APOs from plants by integrating ultrasound-assisted extraction and solid-phase extraction. These assays enable an accurate quantification of carotenoid-derived hormones and APOs from plant tissues by using an UHPLC hybrid quadrupole-Orbitrap mass spectrometer. © 2022 Wiley Periodicals LLC. Basic Protocol 1: UHPLC-MS analysis of APOs from rice roots Support Protocol: Preparation of dried plant root powder Basic Protocol 2: UHPLC-MS analysis of SLs from rice roots Basic Protocol 3: UHPLC-MS analysis of ABA from rice roots.
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Affiliation(s)
- Jianing Mi
- The BioActives Lab, Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Kingdom of Saudi Arabia
| | - Kit Xi Liew
- The BioActives Lab, Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Kingdom of Saudi Arabia
| | - Salim Al-Babili
- The BioActives Lab, Center for Desert Agriculture, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Kingdom of Saudi Arabia
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41
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Dhami N, Pogson BJ, Tissue DT, Cazzonelli CI. A foliar pigment-based bioassay for interrogating chloroplast signalling revealed that carotenoid isomerisation regulates chlorophyll abundance. PLANT METHODS 2022; 18:18. [PMID: 35177117 PMCID: PMC8851705 DOI: 10.1186/s13007-022-00847-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/18/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Some plastid-derived metabolites can control nuclear gene expression, chloroplast biogenesis, and chlorophyll biosynthesis. For example, norflurazon (NFZ) induced inhibition of carotenoid biosynthesis in leaves elicits a protoporphyrin IX (Mg-ProtoIX) retrograde signal that controls chlorophyll biosynthesis and chloroplast development. Carotenoid cleavage products, known as apocarotenoids, also regulate plastid development. The key steps in carotenoid biosynthesis or catabolism that can regulate chlorophyll biosynthesis in leaf tissues remain unclear. Here, we established a foliar pigment-based bioassay using Arabidopsis rosette leaves to investigate plastid signalling processes in young expanding leaves comprising rapidly dividing and expanding cells containing active chloroplast biogenesis. RESULTS We demonstrate that environmental treatments (extended darkness and cold exposure) as well as chemical (norflurazon; NFZ) inhibition of carotenoid biosynthesis, reduce chlorophyll levels in young, but not older leaves of Arabidopsis. Mutants with disrupted xanthophyll accumulation, apocarotenoid phytohormone biosynthesis (abscisic acid and strigolactone), or enzymatic carotenoid cleavage, did not alter chlorophyll levels in young or old leaves. However, perturbations in acyclic cis-carotene biosynthesis revealed that disruption of CAROTENOID ISOMERASE (CRTISO), but not ZETA-CAROTENE ISOMERASE (Z-ISO) activity, reduced chlorophyll levels in young leaves of Arabidopsis plants. NFZ-induced inhibition of PHYTOENE DESATURASE (PDS) activity caused higher phytoene accumulation in younger crtiso leaves compared to WT indicating a continued substrate supply from the methylerythritol 4-phosphate (MEP) pathway. CONCLUSION The Arabidopsis foliar pigment-based bioassay can be used to differentiate signalling events elicited by environmental change, chemical treatment, and/or genetic perturbation, and determine how they control chloroplast biogenesis and chlorophyll biosynthesis. Genetic perturbations that impaired xanthophyll biosynthesis and/or carotenoid catabolism did not affect chlorophyll biosynthesis. The lack of CAROTENOID ISOMERISATION reduced chlorophyll accumulation, but not phytoene biosynthesis in young leaves of Arabidopsis plants growing under a long photoperiod. Findings generated using the newly customised foliar pigment-based bioassay implicate that carotenoid isomerase activity and NFZ-induced inhibition of PDS activity elicit different signalling pathways to control chlorophyll homeostasis in young leaves of Arabidopsis.
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Affiliation(s)
- N Dhami
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
- School of Health and Allied Sciences, Pokhara University, Pokhara 30, Kaski, Gandaki, 33700, Nepal
| | - B J Pogson
- Australian Research Council Centre of Excellence in Plant Energy Biology, Research School of Biology, The Australian National University, Canberra, ACT, 2601, Australia
| | - D T Tissue
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - C I Cazzonelli
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia.
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Us-Camas R, Aguilar-Espinosa M, Rodríguez-Campos J, Vallejo-Cardona AA, Carballo-Uicab VM, Serrano-Posada H, Rivera-Madrid R. Identifying Bixa orellana L. New Carotenoid Cleavage Dioxygenases 1 and 4 Potentially Involved in Bixin Biosynthesis. FRONTIERS IN PLANT SCIENCE 2022; 13:829089. [PMID: 35222486 PMCID: PMC8874276 DOI: 10.3389/fpls.2022.829089] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 01/19/2022] [Indexed: 06/07/2023]
Abstract
Carotene cleavage dioxygenases (CCDs) are a large family of Fe2+ dependent enzymes responsible for the production of a wide variety of apocarotenoids, such as bixin. Among the natural apocarotenoids, bixin is second in economic importance. It has a red-orange color and is produced mainly in the seeds of B. orellana. The biosynthesis of bixin aldehyde from the oxidative cleavage of lycopene at 5,6/5',6' bonds by a CCD is considered the first step of bixin biosynthesis. Eight BoCCD (BoCCD1-1, BoCCD1-3, BoCCD1-4, CCD4-1, BoCCD4-2, BoCCD4-3 and BoCCD4-4) genes potentially involved in the first step of B. orellana bixin biosynthesis have been identified. However, the cleavage activity upon lycopene to produce bixin aldehyde has only been demonstrated for BoCCD1-1 and BoCCD4-3. Using in vivo (Escherichia coli) and in vitro approaches, we determined that the other identified BoCCDs enzymes (BoCCD1-3, BoCCD1-4, BoCCD4-1, BoCCD4-2, and BoCCD4-4) also participate in the biosynthesis of bixin aldehyde from lycopene. The LC-ESI-QTOF-MS/MS analysis showed a peak corresponding to bixin aldehyde (m/z 349.1) in pACCRT-EIB E. coli cells that express the BoCCD1 and BoCCD4 proteins, which was confirmed by in vitro enzymatic assay. Interestingly, in the in vivo assay of BoCCD1-4, BoCCD4-1, BoCCD4-2, and BoCCD4-4, bixin aldehyde was oxidized to norbixin (m/z 380.2), the second product of the bixin biosynthesis pathway. In silico analysis also showed that BoCCD1 and BoCCD4 proteins encode functional dioxygenases that can use lycopene as substrate. The production of bixin aldehyde and norbixin was corroborated based on their ion fragmentation pattern, as well as by Fourier transform infrared (FTIR) spectroscopy. This work made it possible to clarify at the same time the first and second steps of the bixin biosynthesis pathway that had not been evaluated for a long time.
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Affiliation(s)
- Rosa Us-Camas
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Mexico
| | - Margarita Aguilar-Espinosa
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Mexico
| | - Jacobo Rodríguez-Campos
- Unidad de Servicios Analíticos y Metrológicos, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Alba Adriana Vallejo-Cardona
- Unidad de Biotecnología Médica y Farmacéutica, CONACYT, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, Mexico
| | - Víctor Manuel Carballo-Uicab
- CONACYT, Laboratorio de Biología Sintética, Estructural y Molecular, Laboratorio de Agrobiotecnología, Colima, Mexico
| | - Hugo Serrano-Posada
- CONACYT, Laboratorio de Biología Sintética, Estructural y Molecular, Laboratorio de Agrobiotecnología, Colima, Mexico
| | - Renata Rivera-Madrid
- Unidad de Bioquímica y Biología Molecular de Plantas, Centro de Investigación Científica de Yucatán A.C., Mérida, Mexico
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Das D, Paries M, Hobecker K, Gigl M, Dawid C, Lam HM, Zhang J, Chen M, Gutjahr C. PHOSPHATE STARVATION RESPONSE transcription factors enable arbuscular mycorrhiza symbiosis. Nat Commun 2022; 13:477. [PMID: 35078978 DOI: 10.1101/2021.11.05.467437] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 12/21/2021] [Indexed: 05/26/2023] Open
Abstract
Arbuscular mycorrhiza (AM) is a widespread symbiosis between roots of the majority of land plants and Glomeromycotina fungi. AM is important for ecosystem health and functioning as the fungi critically support plant performance by providing essential mineral nutrients, particularly the poorly accessible phosphate, in exchange for organic carbon. AM fungi colonize the inside of roots and this is promoted at low but inhibited at high plant phosphate status, while the mechanistic basis for this phosphate-dependence remained obscure. Here we demonstrate that a major transcriptional regulator of phosphate starvation responses in rice PHOSPHATE STARVATION RESPONSE 2 (PHR2) regulates AM. Root colonization of phr2 mutants is drastically reduced, and PHR2 is required for root colonization, mycorrhizal phosphate uptake, and yield increase in field soil. PHR2 promotes AM by targeting genes required for pre-contact signaling, root colonization, and AM function. Thus, this important symbiosis is directly wired to the PHR2-controlled plant phosphate starvation response.
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Affiliation(s)
- Debatosh Das
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China
- CUHK Shenzhen Research Institute, No. 10 Yuexing 2nd Road, Nanshan, Shenzhen, China
| | - Michael Paries
- Plant Genetics, TUM School of Life Sciences, Technical University of Munich (TUM), Emil Ramann Str. 4, 85354, Freising, Germany
| | - Karen Hobecker
- Plant Genetics, TUM School of Life Sciences, Technical University of Munich (TUM), Emil Ramann Str. 4, 85354, Freising, Germany
| | - Michael Gigl
- Chair of Food Chemistry and Molecular Sensory Science, TUM School of Life Sciences, Technical University of Munich (TUM), Lise-Meitner-Str. 34, D-85354, Freising, Germany
| | - Corinna Dawid
- Chair of Food Chemistry and Molecular Sensory Science, TUM School of Life Sciences, Technical University of Munich (TUM), Lise-Meitner-Str. 34, D-85354, Freising, Germany
| | - Hon-Ming Lam
- CUHK Shenzhen Research Institute, No. 10 Yuexing 2nd Road, Nanshan, Shenzhen, China
- State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Jianhua Zhang
- CUHK Shenzhen Research Institute, No. 10 Yuexing 2nd Road, Nanshan, Shenzhen, China.
- State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Shatin, Hong Kong.
- Department of Biology, Hong Kong Baptist University, Shatin, Hong Kong.
| | - Moxian Chen
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Research and Development Center for Fine Chemicals, Guizhou University, Guiyang, China.
| | - Caroline Gutjahr
- Plant Genetics, TUM School of Life Sciences, Technical University of Munich (TUM), Emil Ramann Str. 4, 85354, Freising, Germany.
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Sun T, Rao S, Zhou X, Li L. Plant carotenoids: recent advances and future perspectives. MOLECULAR HORTICULTURE 2022; 2:3. [PMID: 37789426 PMCID: PMC10515021 DOI: 10.1186/s43897-022-00023-2] [Citation(s) in RCA: 71] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 01/03/2022] [Indexed: 10/05/2023]
Abstract
Carotenoids are isoprenoid metabolites synthesized de novo in all photosynthetic organisms. Carotenoids are essential for plants with diverse functions in photosynthesis, photoprotection, pigmentation, phytohormone synthesis, and signaling. They are also critically important for humans as precursors of vitamin A synthesis and as dietary antioxidants. The vital roles of carotenoids to plants and humans have prompted significant progress toward our understanding of carotenoid metabolism and regulation. New regulators and novel roles of carotenoid metabolites are continuously revealed. This review focuses on current status of carotenoid metabolism and highlights recent advances in comprehension of the intrinsic and multi-dimensional regulation of carotenoid accumulation. We also discuss the functional evolution of carotenoids, the agricultural and horticultural application, and some key areas for future research.
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Affiliation(s)
- Tianhu Sun
- Robert W. Holley Center for Agriculture and Health, USDA-Agricultural Research Service, Cornell University, Ithaca, NY, 14853, USA
- Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, 14853, USA
| | - Sombir Rao
- Robert W. Holley Center for Agriculture and Health, USDA-Agricultural Research Service, Cornell University, Ithaca, NY, 14853, USA
- Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, 14853, USA
| | - Xuesong Zhou
- Robert W. Holley Center for Agriculture and Health, USDA-Agricultural Research Service, Cornell University, Ithaca, NY, 14853, USA
- State Key Laboratory of Crop Genetics & Germplasm Enhancement, Nanjing Agricultural University, Nanjing, 210095, China
| | - Li Li
- Robert W. Holley Center for Agriculture and Health, USDA-Agricultural Research Service, Cornell University, Ithaca, NY, 14853, USA.
- Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, 14853, USA.
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45
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Mi J, Vallarino JG, Petřík I, Novák O, Correa SM, Chodasiewicz M, Havaux M, Rodriguez-Concepcion M, Al-Babili S, Fernie AR, Skirycz A, Moreno JC. A manipulation of carotenoid metabolism influence biomass partitioning and fitness in tomato. Metab Eng 2022; 70:166-180. [PMID: 35031492 DOI: 10.1016/j.ymben.2022.01.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 12/29/2021] [Accepted: 01/09/2022] [Indexed: 12/25/2022]
Abstract
Improving yield, nutritional value and tolerance to abiotic stress are major targets of current breeding and biotechnological approaches that aim at increasing crop production and ensuring food security. Metabolic engineering of carotenoids, the precursor of vitamin-A and plant hormones that regulate plant growth and response to adverse growth conditions, has been mainly focusing on provitamin A biofortification or the production of high-value carotenoids. Here, we show that the introduction of a single gene of the carotenoid biosynthetic pathway in different tomato cultivars induced profound metabolic alterations in carotenoid, apocarotenoid and phytohormones pathways. Alterations in isoprenoid- (abscisic acid, gibberellins, cytokinins) and non-isoprenoid (auxin and jasmonic acid) derived hormones together with enhanced xanthophyll content influenced biomass partitioning and abiotic stress tolerance (high light, salt, and drought), and it caused an up to 77% fruit yield increase and enhanced fruit's provitamin A content. In addition, metabolic and hormonal changes led to accumulation of key primary metabolites (e.g. osmoprotectants and antiaging agents) contributing with enhanced abiotic stress tolerance and fruit shelf life. Our findings pave the way for developing a new generation of crops that combine high productivity and increased nutritional value with the capability to cope with climate change-related environmental challenges.
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Affiliation(s)
- Jianing Mi
- Center for Desert Agriculture, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Jose G Vallarino
- Max Planck Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg1 D-14476, Potsdam-Golm, Germany
| | - Ivan Petřík
- Laboratory of Growth Regulators, Faculty of Science, Palacký University and Institute of Experimental Botany, The Czech Academy of Sciences, Šlechtitelů 27, CZ-78371, Olomouc, Czech Republic
| | - Ondřej Novák
- Laboratory of Growth Regulators, Faculty of Science, Palacký University and Institute of Experimental Botany, The Czech Academy of Sciences, Šlechtitelů 27, CZ-78371, Olomouc, Czech Republic
| | - Sandra M Correa
- Max Planck Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg1 D-14476, Potsdam-Golm, Germany
| | - Monika Chodasiewicz
- Center for Desert Agriculture, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia; Max Planck Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg1 D-14476, Potsdam-Golm, Germany
| | - Michel Havaux
- Aix-Marseille University, CEA, CNRS UMR7265, BIAM, CEA/Cadarache, F-13108 Saint-Paul-lez-Durance, France
| | | | - Salim Al-Babili
- Center for Desert Agriculture, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia
| | - Alisdair R Fernie
- Max Planck Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg1 D-14476, Potsdam-Golm, Germany
| | - Aleksandra Skirycz
- Max Planck Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg1 D-14476, Potsdam-Golm, Germany; Boyce Thompson Institute, Cornell University, Ithaca, NY, United States
| | - Juan C Moreno
- Center for Desert Agriculture, Biological and Environmental Science and Engineering Division (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia; Max Planck Institut für Molekulare Pflanzenphysiologie, Am Mühlenberg1 D-14476, Potsdam-Golm, Germany.
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Jia KP, Mi J, Ali S, Ohyanagi H, Moreno JC, Ablazov A, Balakrishna A, Berqdar L, Fiore A, Diretto G, Martínez C, de Lera AR, Gojobori T, Al-Babili S. An alternative, zeaxanthin epoxidase-independent abscisic acid biosynthetic pathway in plants. MOLECULAR PLANT 2022; 15:151-166. [PMID: 34547513 DOI: 10.1016/j.molp.2021.09.008] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 08/26/2021] [Accepted: 09/12/2021] [Indexed: 06/13/2023]
Abstract
Abscisic acid (ABA) is an important carotenoid-derived phytohormone that plays essential roles in plant response to biotic and abiotic stresses as well as in various physiological and developmental processes. In Arabidopsis, ABA biosynthesis starts with the epoxidation of zeaxanthin by the ABA DEFICIENT 1 (ABA1) enzyme, leading to epoxycarotenoids; e.g., violaxanthin. The oxidative cleavage of 9-cis-epoxycarotenoids, a key regulatory step catalyzed by 9-CIS-EPOXYCAROTENOID DIOXYGENASE, forms xanthoxin, which is converted in further reactions mediated by ABA DEFICIENT 2 (ABA2), ABA DEFICIENT 3 (ABA3), and ABSCISIC ALDEHYDE OXIDASE 3 (AAO3) into ABA. By combining genetic and biochemical approaches, we unravel here an ABA1-independent ABA biosynthetic pathway starting upstream of zeaxanthin. We identified the carotenoid cleavage products (i.e., apocarotenoids, β-apo-11-carotenal, 9-cis-β-apo-11-carotenal, 3-OH-β-apo-11-carotenal, and 9-cis-3-OH-β-apo-11-carotenal) as intermediates of this ABA1-independent ABA biosynthetic pathway. Using labeled compounds, we showed that β-apo-11-carotenal, 9-cis-β-apo-11-carotenal, and 3-OH-β-apo-11-carotenal are successively converted into 9-cis-3-OH-β-apo-11-carotenal, xanthoxin, and finally into ABA in both Arabidopsis and rice. When applied to Arabidopsis, these β-apo-11-carotenoids exert ABA biological functions, such as maintaining seed dormancy and inducing the expression of ABA-responsive genes. Moreover, the transcriptomic analysis revealed a high overlap of differentially expressed genes regulated by β-apo-11-carotenoids and ABA, suggesting that β-apo-11-carotenoids exert ABA-independent regulatory activities. Taken together, our study identifies a biological function for the common plant metabolites, β-apo-11-carotenoids, extends our knowledge about ABA biosynthesis, and provides new insights into plant apocarotenoid metabolic networks.
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Affiliation(s)
- Kun-Peng Jia
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia; State Key Laboratory of Cotton Biology, Henan Joint International Laboratory for Crop Multi-Omics Research, School of Life Sciences, Henan University, Jinming Road, Kaifeng 475004, China
| | - Jianing Mi
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Shawkat Ali
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Hajime Ohyanagi
- Biological and Environmental Sciences and Engineering Division, Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Juan C Moreno
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Abdugaffor Ablazov
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Aparna Balakrishna
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Lamis Berqdar
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Alessia Fiore
- Italian National Agency for New Technologies, Energy and Sustainable Economic Development, 00123 Rome, Italy
| | - Gianfranco Diretto
- Italian National Agency for New Technologies, Energy and Sustainable Economic Development, 00123 Rome, Italy
| | - Claudio Martínez
- Universidade de Vigo, Facultade de Química and CINBIO, 36310 Vigo, Spain
| | - Angel R de Lera
- Universidade de Vigo, Facultade de Química and CINBIO, 36310 Vigo, Spain
| | - Takashi Gojobori
- Biological and Environmental Sciences and Engineering Division, Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia
| | - Salim Al-Babili
- Biological and Environmental Sciences and Engineering Division, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia.
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47
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Screening for apocarotenoid plant growth regulators in Arabidopsis. Methods Enzymol 2022; 674:481-495. [DOI: 10.1016/bs.mie.2022.03.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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48
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Fàbregas N, Fernie AR. The reliance of phytohormone biosynthesis on primary metabolite precursors. JOURNAL OF PLANT PHYSIOLOGY 2022; 268:153589. [PMID: 34896926 DOI: 10.1016/j.jplph.2021.153589] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/06/2021] [Accepted: 12/06/2021] [Indexed: 05/07/2023]
Abstract
There is some debate as to whether phytohormone metabolites should be classified as primary or secondary metabolites. Phytohormones have profound effects on growth - a typical trait of primary metabolites - yet several of them are formed from secondary metabolite precursors. This is further exacerbated by the blurred distinction between primary and secondary metabolism. What is clearer, however, is that phytohormones display distinctive regulatory mechanisms from other metabolites. Moreover, by contrast to microbial and mammalian systems, the majority of plant metabolite receptors characterized to date are hormone receptors. Here, we provide an overview of the metabolic links between primary metabolism and phytohormone biosynthesis in an attempt to complement recent reviews covering the signaling crosstalk between elements of core metabolism and the phytohormones. In doing so, we cover the biosynthesis of both the classical metabolic phytohormones namely auxins, salicylic acid, jasmonate, ethylene, cytokinins, brassinosteroids, gibberellins and abscisic acid as well as recently described plant growth regulators which have been proposed as novel phytohormones namely strigolactones blumenols, zaxinone and β-cyclocitral as well as melatonin. For each hormone, we describe the primary metabolite precursors which fuel its synthesis, act as conjugates or in the case of 2-oxoglutarate act more directly as a co-substrate in the biosynthesis of gibberellin, auxin and salicylic acid. Furthermore, several amino acids operate as hormone conjugates, such as jasmonate-conjugates. In reviewing the biosynthesis of all the phytohormones simultaneously, the exceptional intricacy of the biochemical interplay that underpins their interaction emerges.
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Affiliation(s)
- Norma Fàbregas
- Max-Planck-Institute of Molecular Plant Physiology, 14476, Potsdam-Golm, Germany.
| | - Alisdair R Fernie
- Max-Planck-Institute of Molecular Plant Physiology, 14476, Potsdam-Golm, Germany.
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Liu B, Zhang X, You X, Li Y, Long S, Wen S, Liu Q, Liu T, Guo H, Xu Y. Hydrogen sulfide improves tall fescue photosynthesis response to low-light stress by regulating chlorophyll and carotenoid metabolisms. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 170:133-145. [PMID: 34883320 DOI: 10.1016/j.plaphy.2021.12.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 11/26/2021] [Accepted: 12/01/2021] [Indexed: 06/13/2023]
Abstract
Hydrogen sulfide (H2S), as a gaseous messenger molecule, plays critical roles in signal transduction and biological modulation. In the present study, the roles of H2S in regulating chlorophyll (Chl) and carotenoid (Car) contents to improve photosynthesis in tall fescue were investigated under low-light (LL) stress. Compared to control conditions, LL stress significantly reduced total biomass, net photosynthetic rate (Pn), maximal quantum yield of photosystem II (PSII) photochemistry (Fv/Fm), and the contents of Chl and Car. Under exogenous sodium hydrosulfide (NaHS, H2S donor) application, these parameters were enhanced, ultimately increasing photosynthesis. Moreover, exogenous H2S up-regulated the expression of chlorophyll biosynthesis genes while down-regulated chlorophyll degradation genes, resulting in increases in chlorophyll precursors. Components of carotenoids and expression of genes encoding biosynthesis and degradation enzymes varied similarly. Additionally, application exogenous H2S up-regulated expression of FaDES1 and FaDCD. Thus, it enhanced L-cysteine desulfhydrase 1 (DES1, EC 4.4.1.1) and D-cysteine desulfhydrase (DCD, EC 4.4.1.15) activities leading to elevated endogenous H2S. However, these responses were reversed by treatment with hypotaurine (HT, H2S scavenger). These results suggested that H2S is involved in regulating photosynthesis to improve LL tolerance via modulating Chl and Car metabolisms in tall fescue.
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Affiliation(s)
- Bowen Liu
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Xuhu Zhang
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Xiangkai You
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Youyue Li
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Si Long
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Suyun Wen
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Qian Liu
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Tieyuan Liu
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Huan Guo
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China
| | - Yuefei Xu
- College of Grassland Agriculture, Northwest A&F University, Yangling, Shaanxi Province, 712100, PR China.
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Mi J, Moreno JC, Alagoz Y, Liew KX, Balakrishna A, Zheng X, Al-Babili S. Ultra-high performance liquid chromatography-mass spectrometry analysis of plant apocarotenoids. Methods Enzymol 2022; 670:285-309. [DOI: 10.1016/bs.mie.2021.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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