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Lo Presti D, Di Tocco J, Massaroni C, Cimini S, De Gara L, Singh S, Raucci A, Manganiello G, Woo SL, Schena E, Cinti S. Current understanding, challenges and perspective on portable systems applied to plant monitoring and precision agriculture. Biosens Bioelectron 2023; 222:115005. [PMID: 36527829 DOI: 10.1016/j.bios.2022.115005] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 12/07/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022]
Abstract
The devastating effects of global climate change on crop production and exponential population growth pose a major challenge to agricultural yields. To cope with this problem, crop performance monitoring is becoming increasingly necessary. In this scenario, the use of sensors and biosensors capable of detecting changes in plant fitness and predicting the evolution of their morphology and physiology has proven to be a useful strategy to increase crop yields. Flexible sensors and nanomaterials have inspired the emerging fields of wearable and on-plant portable devices that provide continuous and accurate long-term sensing of morphological, physiological, biochemical, and environmental parameters. This review provides an overview of novel plant sensing technologies by discussing wearable and integrated devices proposed for engineering plant and monitoring its morphological traits and physiological processes, as well as plant-environment interactions. For each application scenario, the state-of-the-art sensing solutions are grouped according to the plant organ on which they have been installed highlighting their main technological advantages and features. Finally, future opportunities, challenges and perspectives are discussed. We anticipate that the application of this technology in agriculture will provide more accurate measurements for farmers and plant scientists with the ability to track crop performance in real time. All of this information will be essential to enable rapid optimization of plants development through tailored treatments that improve overall plant health even under stressful conditions, with the ultimate goal of increasing crop productivity in a more sustainable manner.
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Affiliation(s)
- Daniela Lo Presti
- Unit of Measurements and Biomedical Instrumentation, Department of Engineering, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, Roma, Italy
| | - Joshua Di Tocco
- Unit of Measurements and Biomedical Instrumentation, Department of Engineering, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, Roma, Italy
| | - Carlo Massaroni
- Unit of Measurements and Biomedical Instrumentation, Department of Engineering, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, Roma, Italy
| | - Sara Cimini
- Department of Science and Technology for Humans and the Environment, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, Roma, Italy
| | - Laura De Gara
- Department of Science and Technology for Humans and the Environment, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, Roma, Italy
| | - Sima Singh
- Department of Pharmacy, University Naples Federico II, Via Domenico Montesano 49, Naples, Italy
| | - Ada Raucci
- Department of Pharmacy, University Naples Federico II, Via Domenico Montesano 49, Naples, Italy
| | - Gelsomina Manganiello
- Department of Agricultural Sciences, University of Naples Federico II, Naples, Italy
| | - Sheridan L Woo
- Department of Pharmacy, University Naples Federico II, Via Domenico Montesano 49, Naples, Italy; BAT Center-Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Naples Federico II, 80055, Naples, Italy
| | - Emiliano Schena
- Unit of Measurements and Biomedical Instrumentation, Department of Engineering, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21, Roma, Italy.
| | - Stefano Cinti
- Department of Pharmacy, University Naples Federico II, Via Domenico Montesano 49, Naples, Italy; BAT Center-Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Naples Federico II, 80055, Naples, Italy.
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Yang H, Zhou S, Wu L, Wang L. Interference of Dihydrocoumarin with Hormone Transduction and Phenylpropanoid Biosynthesis Inhibits Barnyardgrass (Echinochloa crus-galli) Root Growth. Plants 2022; 11:plants11192505. [PMID: 36235371 PMCID: PMC9572682 DOI: 10.3390/plants11192505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 11/16/2022]
Abstract
Botanical compounds with herbicidal activity exhibit safety, low toxicity, and low chances of herbicide resistance development in plants. They have widespread applications in green agricultural production and the development of organic agriculture. In the present study, dihydrocoumarin showed potential as a botanical herbicide, and its phenotypic characteristics and mechanism of action were studied in barnyardgrass [Echinochloa crus-galli (L.) P.Beauv.] seedlings. The results indicated that dihydrocoumarin inhibited the growth of barnyardgrass without causing significant inhibition of rice seedling growth at concentrations ranging between 0.5 and 1.0 g/L. Additionally, dihydrocoumarin treatment could cause oxidative stress in barnyardgrass, disrupt the cell membrane, and reduce the root cell activity, resulting in root cell death. Transcriptomic analyses revealed that dihydrocoumarin could inhibit barnyardgrass normal growth by affecting the signal transduction of plant hormones. The results showed significant differential expression of plant hormone signal transduction genes in barnyardgrass. Additionally, dihydrocoumarin interfered with the expression of numerous phenylpropanoid biosynthesis genes in barnyardgrass that affect the production of various vital metabolites. We speculate that the barnyardgrass growth was suppressed by the interaction among hormones and phenylpropanoid biosynthesis genes, indicating that dihydrocoumarin can be applied as a bioherbicide to control barnyardgrass growth in rice transplanting fields.
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Affiliation(s)
- Haona Yang
- Hunan Weed Science Key Laboratory, Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Shangfeng Zhou
- Hunan Weed Science Key Laboratory, Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Lamei Wu
- Hunan Weed Science Key Laboratory, Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Lifeng Wang
- Hunan Weed Science Key Laboratory, Hunan Agricultural Biotechnology Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
- Hunan Rice Research Institute, Hunan Academy of Agricultural Sciences, Changsha 410125, China
- Correspondence:
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Chini A, Monte I, Fernández-Barbero G, Boter M, Hicks G, Raikhel N, Solano R. A small molecule antagonizes jasmonic acid perception and auxin responses in vascular and nonvascular plants. Plant Physiol 2021; 187:1399-1413. [PMID: 34618088 PMCID: PMC8566257 DOI: 10.1093/plphys/kiab369] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 07/03/2021] [Indexed: 05/12/2023]
Abstract
The phytohormone jasmonoyl-L-isoleucine (JA-Ile) regulates many stress responses and developmental processes in plants. A co-receptor complex formed by the F-box protein Coronatine Insensitive 1 (COI1) and a Jasmonate (JA) ZIM-domain (JAZ) repressor perceives the hormone. JA-Ile antagonists are invaluable tools for exploring the role of JA-Ile in specific tissues and developmental stages, and for identifying regulatory processes of the signaling pathway. Using two complementary chemical screens, we identified three compounds that exhibit a robust inhibitory effect on both the hormone-mediated COI-JAZ interaction and degradation of JAZ1 and JAZ9 in vivo. One molecule, J4, also restrains specific JA-induced physiological responses in different angiosperm plants, including JA-mediated gene expression, growth inhibition, chlorophyll degradation, and anthocyanin accumulation. Interaction experiments with purified proteins indicate that J4 directly interferes with the formation of the Arabidopsis (Arabidopsis thaliana) COI1-JAZ complex otherwise induced by JA. The antagonistic effect of J4 on COI1-JAZ also occurs in the liverwort Marchantia polymorpha, suggesting the mode of action is conserved in land plants. Besides JA signaling, J4 works as an antagonist of the closely related auxin signaling pathway, preventing Transport Inhibitor Response1/Aux-indole-3-acetic acid interaction and auxin responses in planta, including hormone-mediated degradation of an auxin repressor, gene expression, and gravitropic response. However, J4 does not affect other hormonal pathways. Altogether, our results show that this dual antagonist competes with JA-Ile and auxin, preventing the formation of phylogenetically related receptor complexes. J4 may be a useful tool to dissect both the JA-Ile and auxin pathways in particular tissues and developmental stages since it reversibly inhibits these pathways. One-sentence summary: A chemical screen identified a molecule that antagonizes jasmonate perception by directly interfering with receptor complex formation in phylogenetically distant vascular and nonvascular plants.
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Affiliation(s)
- Andrea Chini
- Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología-CSIC, Campus Universidad Autónoma, Madrid, 28049, Spain
- Author for correspondence:
| | - Isabel Monte
- Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología-CSIC, Campus Universidad Autónoma, Madrid, 28049, Spain
- Present address: Institute of Plant and Microbial Biology, Zurich-Basel Plant Science Center, University of Zurich, Zurich, 8008, Switzerland
| | - Gemma Fernández-Barbero
- Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología-CSIC, Campus Universidad Autónoma, Madrid, 28049, Spain
| | - Marta Boter
- Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología-CSIC, Campus Universidad Autónoma, Madrid, 28049, Spain
- Present address: Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid –Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Madrid, Spain
| | - Glenn Hicks
- Department of Botany and Plant Sciences, Center for Plant Cell Biology, University of California, Riverside, California, 92521, USA
| | - Natasha Raikhel
- Department of Botany and Plant Sciences, Center for Plant Cell Biology, University of California, Riverside, California, 92521, USA
| | - Roberto Solano
- Departamento de Genética Molecular de Plantas, Centro Nacional de Biotecnología-CSIC, Campus Universidad Autónoma, Madrid, 28049, Spain
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Abstract
Due to the ability to differentiate into variety of cell types, mesenchymal stem cells (MSCs) hold promise as source in cell-based therapy for treating injured tissue and degenerative diseases. The potential use of MSCs to replace or repair damaged tissues may depend on the efficient differentiation protocols to derive specialized cells without any negative side effects. Identification of appropriate cues that support the lineage-specific differentiation of stem cells is critical for tissue healing and cellular therapy. Recently, a number of stimuli have been utilized to direct the differentiation of stem cells. Biochemical stimuli such as small molecule, growth factor and miRNA have been traditionally used to regulate the fate of stem cells. In recent years, many studies have reported that biophysical stimuli including cyclic mechanical strain, fluid shear stress, microgravity, electrical stimulation, matrix stiffness and topography can also be sensed by stem cells through mechanical receptors, thus affecting the stem cell behaviors including their differentiation potential. In this paper, we review all the most recent literature on the application of biochemical and biophysical cues on regulating MSC differentiation. An extensive literature search was done using electronic database (Medline/Pubmed). Although there are still some challenges that need to be taken into consideration before translating these methods into clinics, biochemical and biophysical stimulation appears to be an attractive method to manipulate the lineage commitment of MSCs.
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Zhao J, Ju M, Qian J, Zhang M, Liu T, Zhang K. A Tobacco Syringe Agroinfiltration-Based Method for a Phytohormone Transporter Activity Assay Using Endogenous Substrates. Front Plant Sci 2021; 12:660966. [PMID: 33889170 PMCID: PMC8056304 DOI: 10.3389/fpls.2021.660966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 03/05/2021] [Indexed: 06/12/2023]
Abstract
Phytohormones are a group of small chemical molecules that play vital roles in plant development, metabolism, and stress responses. Phytohormones often have distinct biosynthesis and signaling perception sites, requiring long- or short-distance transportation. Unlike biosynthesis and signal transduction, phytohormone transport across cells and organs is poorly understood. The transporter activity assay is a bottleneck for the functional characterization of novel phytohormone transporters. In the present study, we report a tobacco syringe agroinfiltration and liquid chromatography tandem mass spectrometry (TSAL)-based method for performing a phytohormone transporter activity assay using endogenous hormones present in tobacco (Nicotiana benthamiana) leaves. A transporter activity assay using this method does not require isotope-labeled substrates and can be conveniently performed for screening multiple substrates by using endogenous hormones in tobacco leaves. The transporter activities of three known hormone transporters, namely AtABCG25 for abscisic acid, AtABCG16 for jasmonic acid, and AtPUP14 for cytokinin, were all successfully validated using this method. Using this method, cytokinins were found to be the preferred substrates of an unknown maize (Zea mays) transporter ZmABCG43. ZmABCG43 transporter activities toward cytokinins were confirmed in a cytokinin long-distance transport mutant atabcg14 through gene complementation. Thus, the TSAL method has the potential to be used for basic substrate characterization of novel phytohormone transporters or for the screening of novel transporters for a specific phytohormone on a large scale.
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Laborda P, Alcalde-Rico M, Chini A, Martínez JL, Hernando-Amado S. Discovery of inhibitors of Pseudomonas aeruginosa virulence through the search for natural-like compounds with a dual role as inducers and substrates of efflux pumps. Environ Microbiol 2021; 23:7396-7411. [PMID: 33818002 DOI: 10.1111/1462-2920.15511] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/25/2021] [Accepted: 04/03/2021] [Indexed: 12/26/2022]
Abstract
Multidrug efflux pumps are ancient elements encoded in every genome, from bacteria to humans. In bacteria, in addition to antibiotics, efflux pumps extrude a wide range of substrates, including quorum sensing signals, bacterial metabolites, or plant-produced compounds. This indicates that their original functions may differ from their recently acquired role in the extrusion of antibiotics during human infection. Concerning plant-produced compounds, some of them are substrates and inducers of the same efflux pump, suggesting a coordinated plant/bacteria coevolution. Herein we analyse the ability of 1243 compounds from a Natural Product-Like library to induce the expression of P. aeruginosa mexCD-oprJ or mexAB-oprM efflux pumps' encoding genes. We further characterized natural-like compounds that do not trigger antibiotic resistance in P. aeruginosa and that act as virulence inhibitors, choosing those that were not only inducers but substrates of the same efflux pump. Four compounds impair swarming motility, exotoxin secretion through the Type 3 Secretion System (T3SS) and the ability to kill Caenorhabditis elegans, which might be explained by the downregulation of genes encoding flagellum and T3SS. Our results emphasize the possibility of discovering new anti-virulence drugs by screening natural or natural-like libraries for compounds that behave as both, inducers and substrates of efflux pumps.
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Affiliation(s)
- Pablo Laborda
- Centro Nacional de Biotecnología, CSIC, Darwin 3, Madrid, 28049, Spain
| | - Manuel Alcalde-Rico
- Centro Nacional de Biotecnología, CSIC, Darwin 3, Madrid, 28049, Spain.,Grupo de Resistencia Antimicrobiana en Bacterias Patógenas y Ambientales (GRABPA), Instituto de Biología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile.,Millennium Nucleus for Collaborative Research on Bacterial Resistance (MICROB-R), Valparaíso, Chile
| | - Andrea Chini
- Centro Nacional de Biotecnología, CSIC, Darwin 3, Madrid, 28049, Spain
| | - José L Martínez
- Centro Nacional de Biotecnología, CSIC, Darwin 3, Madrid, 28049, Spain
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Fu L, Li Q, Chen C, Zhang Y, Liu Y, Xu L, Zhou Y, Li C, Zhou D, Rittmann BE. Benzoic and salicylic acid are the signaling molecules of Chlorella cells for improving cell growth. Chemosphere 2021; 265:129084. [PMID: 33261837 DOI: 10.1016/j.chemosphere.2020.129084] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 11/11/2020] [Accepted: 11/19/2020] [Indexed: 05/28/2023]
Abstract
Cell-to-cell communication regulates microalgae production via signaling molecules (SMs), but few microalgal SM species are known. Here, we document two new microalgae SMs, benzoic acid (BA) and salicylic acid (SA). Initially, crude SMs were extracted from a microalgae culture in which microalgae grew on heterotrophic-enriched phosphorus nutrition. The extracted SMs enhanced Chlorella growth by ∼72%, promoted nutrient uptake, and up-regulated the mitogen-activated protein-kinase signaling cascade. Fourier transform infrared and nuclear magnetic resonance analyses identified the putative SMs was aromatic carboxylic acids. BA and SA were identified using high-resolution mass spectrometry. BA and SA addition increased cell growth by ∼75% and ∼25%; and improved ATP production by ∼35% and ∼20%. Transcriptomic analysis showed that BA and SA were biosynthesized via CoA-dependent, non-oxidative pathway. The SMs upregulated TCA-cycle enzymes, which promoted carbon assimilation and activated DNA-replicating enzyme, so that accelerated cell division. This study identified two new SMs for microalgae cell communication and provides means to identify other SMs.
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Affiliation(s)
- Liang Fu
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Qingcheng Li
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Congli Chen
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, China; National Analytical Research Center of Electrochemistry and Spectroscopy, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Yueju Zhang
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Yinglu Liu
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Liang Xu
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, China
| | - Yihan Zhou
- National Analytical Research Center of Electrochemistry and Spectroscopy, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
| | - Chengbin Li
- Changchun Water Group Co. Ltd, Changchun, 130021, China
| | - Dandan Zhou
- Engineering Lab for Water Pollution Control and Resources Recovery of Jilin Province, School of Environment, Northeast Normal University, Changchun, 130117, China.
| | - Bruce E Rittmann
- Biodesign Swette Center for Environmental Biotechnology, Arizona State University, Tempe, AZ, 85287, USA
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Lin S, Dong Y, Li X, Xing Y, Liu M, Sun X. JA-Ile-macrolactone 5b Induces Tea Plant ( Camellia sinensis) Resistance to Both Herbivore Ectropis obliqua and Pathogen Colletotrichum camelliae. Int J Mol Sci 2020; 21:ijms21051828. [PMID: 32155845 PMCID: PMC7084730 DOI: 10.3390/ijms21051828] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 03/04/2020] [Accepted: 03/04/2020] [Indexed: 01/16/2023] Open
Abstract
Jasmonates (JAs), the group of lipid-derived hormones, were found to control the defense responses in a myriad of plants. Meaningfully, the macrolactones of 12-hydroxy jasmonate isoleucine (12OH-JA-Ile) were reported to induce the defensive response of wild tobacco. However, little to nothing has been known about the elicitation effect of JA-Ile-macrolactones on woody plants to harmful organisms, let alone its underlying mechanisms. Here, we first optimized the synthetic routine using mild toxic reagent isobutyl chloroformate instead of ethyl chloroformate for conjugation, and we used acetonitrile (MeCN) instead of ethyl alcohol for the better dissolution of p-toluenesulfonic acid (p-TsOH) to gain JA-Ile-macrolactones. JA-Ile-macrolactone 5b-treated tea plants significantly inhibited the larvae weight gain of Ectropis obliqua larvae and the lesions caused by Colletotrichum camelliae. Furthermore, the expression level of CsOPR3 was significantly upregulated in 5b-treated leaves. Meanwhile, 5b reduced the accumulation of eriodictyol 7-O-glucuronide (EDG) in tea plants, which was confirmed to promote the growth rate of E. obliqua larvae by artificial diet assay. In conclusion, our study proved that the exogenous application of 5b could induce the tea plant resistance both to herbivore E. obliqua and pathogen C. camelliae, and EDG was identified as one of the secondary metabolites that could influence the growth rate of E. obliqua, but it did not directly influence the infection of C. camelliae in vitro. Further research should be carried out to clarify the mechanism through which 5b induces tea plant resistance to C. camelliae.
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Affiliation(s)
- Songbo Lin
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; (S.L.); (Y.D.); (X.L.); (Y.X.); (M.L.)
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou 310008, China
| | - Yanan Dong
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; (S.L.); (Y.D.); (X.L.); (Y.X.); (M.L.)
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou 310008, China
| | - Xiwang Li
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; (S.L.); (Y.D.); (X.L.); (Y.X.); (M.L.)
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou 310008, China
| | - Yuxian Xing
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; (S.L.); (Y.D.); (X.L.); (Y.X.); (M.L.)
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou 310008, China
| | - Miaomiao Liu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; (S.L.); (Y.D.); (X.L.); (Y.X.); (M.L.)
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou 310008, China
| | - Xiaoling Sun
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou 310008, China; (S.L.); (Y.D.); (X.L.); (Y.X.); (M.L.)
- Key Laboratory of Tea Biology and Resources Utilization, Ministry of Agriculture, Hangzhou 310008, China
- Correspondence:
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Yang B, Chen M, Wang T, Chen X, Li Y, Wang X, Zhu W, Xia L, Hu X, Tian J. A metabolomic strategy revealed the role of JA and SA balance in Clematis terniflora DC. Response to UVB radiation and dark. Physiol Plant 2019; 167:232-249. [PMID: 30467852 DOI: 10.1111/ppl.12883] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 11/18/2018] [Accepted: 11/19/2018] [Indexed: 06/09/2023]
Abstract
Clematis terniflora DC. is a valuable resource with potential high pharmaceutical value. Proteomic, transcriptomic and metabolomic analyses of C. terniflora that has been exposed to high levels of UVB irradiation and dark conditions (HUVB + D) have revealed the mechanisms underlying its medicinal potential. However, the signal transduction pathways and the mechanisms of regulation for the accumulation of secondary metabolites remain unclear. In this study, we show that the jasmonic acid (JA) and salicylic acid (SA) signals were activated in C. terniflora in response to HUVB + D. Metabolomic analysis demonstrated that the perturbation in JA and SA balance led to additional reallocation of carbon and nitrogen resources. Evaluating the fold change ratios of differentially changed metabolites proved that JA signal enhanced the transformation of nitrogen to carbon through the 4-aminobutyric acid (GABA) shunt pathway, which increased the carbon reserve to be utilized in the production of secondary metabolites. However, SA signal induced the synthesis of proline, while avoiding the accumulation of secondary metabolites. Over all, the results indicate that the co-increase of JA and SA reconstructed the dynamic stability of transformation from nitrogen to carbon, which effectively enhanced the oxidative defense to HUVB + D in C. terniflora by increasing the secondary metabolites.
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Affiliation(s)
- Bingxian Yang
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Meng Chen
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Tantan Wang
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Xi Chen
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Yaohan Li
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Xin Wang
- College of Agronomy & Biotechnology, China Agricultural University, Beijing, China
| | - Wei Zhu
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
| | - Li'an Xia
- Benxi Hi-tech Industrial Development Zone, Benxi, China
| | - Xingjiang Hu
- Research Center for Clinical Pharmacy, First Affiliated Hospital, Zhejiang University, Hangzhou, China
| | - Jingkui Tian
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou, China
- Education Ministry Key Laboratory for Biomedical Engineering, Zhejiang University, Hangzhou, China
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Kosakivska I, Romanenko K, Voytenko L, Vasyuk V, Shcherbatiuk M, Shcherbatiuk M. Hormonal complex of gametophytes of Dryopteris filix-mas (Dryopteridaceae) in in vitro culture. Ukr Bot J 2019. [DOI: 10.15407/ukrbotj76.03.260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Romanenko KO, Kosakivska IV, Babenko LM, Vasheka OV, Romanenko PO, Negretsky VA, Minarchenko VM. Effects of Exogenous Cytokinins on Spore Germination and Gametophyte Morphogenesis of Dryopteris filix-mas (L.) Schott in vitro Culture. CYTOL GENET+ 2019. [DOI: 10.3103/s0095452719030034] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Cai G, Zuo G, Zheng D, Feng N. Synthesis and Biological Evaluation of 3,3-Dimethyl-1-(1H-1,2,4-triazole-1-yl)butan-2-One Derivatives as Plant Growth Regulators. Chem Res Chin Univ 2019; 35:221-228. [DOI: 10.1007/s40242-019-8303-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Bieleszová K, Pařízková B, Kubeš M, Husičková A, Kubala M, Ma Q, Sedlářová M, Robert S, Doležal K, Strnad M, Novák O, Žukauskaitė A. New fluorescently labeled auxins exhibit promising anti-auxin activity. N Biotechnol 2019; 48:44-52. [DOI: 10.1016/j.nbt.2018.06.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 06/18/2018] [Accepted: 06/24/2018] [Indexed: 11/21/2022]
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Busi R, Goggin DE, Heap IM, Horak MJ, Jugulam M, Masters RA, Napier RM, Riar DS, Satchivi NM, Torra J, Westra P, Wright TR. Weed resistance to synthetic auxin herbicides. Pest Manag Sci 2018; 74:2265-2276. [PMID: 29235732 PMCID: PMC6175398 DOI: 10.1002/ps.4823] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 12/05/2017] [Accepted: 12/07/2017] [Indexed: 05/03/2023]
Abstract
Herbicides classified as synthetic auxins have been most commonly used to control broadleaf weeds in a variety of crops and in non-cropland areas since the first synthetic auxin herbicide (SAH), 2,4-D, was introduced to the market in the mid-1940s. The incidence of weed species resistant to SAHs is relatively low considering their long-term global application with 30 broadleaf, 5 grass, and 1 grass-like weed species confirmed resistant to date. An understanding of the context and mechanisms of SAH resistance evolution can inform management practices to sustain the longevity and utility of this important class of herbicides. A symposium was convened during the 2nd Global Herbicide Resistance Challenge (May 2017; Denver, CO, USA) to provide an overview of the current state of knowledge of SAH resistance mechanisms including case studies of weed species resistant to SAHs and perspectives on mitigating resistance development in SAH-tolerant crops. © 2017 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Roberto Busi
- Australian Herbicide Resistance Initiative, School of Agriculture and EnvironmentUniversity of Western AustraliaPerthAustralia
| | - Danica E Goggin
- Australian Herbicide Resistance Initiative, School of Agriculture and EnvironmentUniversity of Western AustraliaPerthAustralia
| | - Ian M Heap
- International Survey of Herbicide‐Resistant WeedsCorvallisORUSA
| | | | | | | | | | | | | | - Joel Torra
- Department of Horticulture, Botany and GardeningUniversity of LleidaLleidaSpain
| | - Phillip Westra
- Department of Bioagricultural Sciences and Pest ManagementColorado State UniversityFort CollinsCOUSA
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15
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Takaoka Y, Iwahashi M, Chini A, Saito H, Ishimaru Y, Egoshi S, Kato N, Tanaka M, Bashir K, Seki M, Solano R, Ueda M. A rationally designed JAZ subtype-selective agonist of jasmonate perception. Nat Commun 2018; 9:3654. [PMID: 30194307 PMCID: PMC6128907 DOI: 10.1038/s41467-018-06135-y] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2017] [Accepted: 08/05/2018] [Indexed: 12/21/2022] Open
Abstract
The phytohormone 7-iso-(+)-jasmonoyl-L-isoleucine (JA-Ile) mediates plant defense responses against herbivore and pathogen attack, and thus increases plant resistance against foreign invaders. However, JA-Ile also causes growth inhibition; and therefore JA-Ile is not a practical chemical regulator of plant defense responses. Here, we describe the rational design and synthesis of a small molecule agonist that can upregulate defense-related gene expression and promote pathogen resistance at concentrations that do not cause growth inhibition in Arabidopsis. By stabilizing interactions between COI1 and JAZ9 and JAZ10 but no other JAZ isoforms, the agonist leads to formation of JA-Ile co-receptors that selectively activate the JAZ9-EIN3/EIL1-ORA59 signaling pathway. The design of a JA-Ile agonist with high selectivity for specific protein subtypes may help promote the development of chemical regulators that do not cause a tradeoff between growth and defense.
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Grants
- JPMJPR16Q4 Japan Science and Technology Agency (JST)
- JPMJCR13B4 JST | Core Research for Evolutional Science and Technology (CREST)
- 23102012 Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- 26282207 Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- 17H06407 Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- 17H00885 Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
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Affiliation(s)
- Yousuke Takaoka
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
- Precursory Research for Embryonic Science and Technology (PREST), Japan Science and Technology Agency, Tokyo, 102-0076, Japan
| | - Mana Iwahashi
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
| | - Andrea Chini
- Plant Molecular Genetics Department, National Centre for Biotechnology (CNB), Consejo Superior de Investigaciones Cientificas (CSIC), Campus University Autonoma, 28049, Madrid, Spain
| | - Hiroaki Saito
- Center for Biosystems Dynamics Research, RIKEN, Suita, 565-0874, Japan
| | - Yasuhiro Ishimaru
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
| | - Syusuke Egoshi
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
| | - Nobuki Kato
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan
| | - Maho Tanaka
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, Yokohama, 230-0045, Japan
| | - Khurram Bashir
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, Yokohama, 230-0045, Japan
| | - Motoaki Seki
- Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, Yokohama, 230-0045, Japan
| | - Roberto Solano
- Plant Molecular Genetics Department, National Centre for Biotechnology (CNB), Consejo Superior de Investigaciones Cientificas (CSIC), Campus University Autonoma, 28049, Madrid, Spain
| | - Minoru Ueda
- Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578, Japan.
- Department of Molecular and Chemical Life Sciences, Graduate School of Life Sciences, Tohoku University, Sendai, 980-8578, Japan.
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16
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Abstract
Interactions between three auxins (indole-3-acetic acid (IAA), 2-naphthoxyacetic acid (BNOA), and 2,4-dichlorophenoxyacetic acid (2,4-D)) and model two-dimensional lipid systems mimicking plant and human cell membranes were investigated in monolayers formed at the air/water solution interface. The analysis was based on the recorded π-A isotherm characteristics complemented with Brewster angle microscopy. The influence of auxins on model membranes was discussed on the basis of condensation changes, modification of mutual lipid-lipid interactions in the mixed films, and morphological alteration of the surface domains on the microscopic scale. It was demonstrated that the lipid composition and mutual proportion of the artificial membranes together with sterol to main the phospholipid ratio play a crucial role in the context of auxin behavior in the membrane-mimicking environment. Apart from specific molecular interactions between studied phytohormones represented by auxins and lipids, the condensation of the investigated monolayers was found to be a regulative factor of model systems' susceptibility toward auxin action. Two effects were recognized: fluidizing of monolayers being in the liquid state (model membranes) and initialization of the three-dimensional structure formation in ordered sterol films at high surface pressure. The influence of auxin molecules on lipid interactions in the monolayer and diminishing of the film condensation was the largest for BNOA, due to the presence of the most bulky nonpolar, aromatic fragment in the molecule. It was also demonstrated that auxins interact with model plant membranes more selectively, stronger, and at markedly lower concentration than with the human membrane models.
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Affiliation(s)
- Michał Flasiński
- Department of Environmental Chemistry, Faculty of Chemistry, Jagiellonian University , Gronostajowa 3, 30-387, Kraków, Poland
| | - Paulina Święchowicz
- Department of Environmental Chemistry, Faculty of Chemistry, Jagiellonian University , Gronostajowa 3, 30-387, Kraków, Poland
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17
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Dejonghe W, Russinova E. Plant Chemical Genetics: From Phenotype-Based Screens to Synthetic Biology. Plant Physiol 2017; 174:5-20. [PMID: 28275150 PMCID: PMC5411137 DOI: 10.1104/pp.16.01805] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 02/20/2017] [Indexed: 05/21/2023]
Abstract
The treatment of a biological system with small molecules to specifically perturb cellular functions is commonly referred to as chemical biology. Small molecules are used commercially as drugs, herbicides, and fungicides in different systems, but in recent years they are increasingly exploited as tools for basic research. For instance, chemical genetics involves the discovery of small-molecule effectors of various cellular functions through screens of compound libraries. Whereas the drug discovery field has largely been driven by target-based screening approaches followed by drug optimization, chemical genetics in plant systems tends to be fueled by more general phenotype-based screens, opening the possibility to identify a wide range of small molecules that are not necessarily directly linked to the process of interest. Here, we provide an overview of the current progress in chemical genetics in plants, with a focus on the discoveries regarding small molecules identified in screens designed with a basic biology perspective. We reflect on the possibilities that lie ahead and discuss some of the potential pitfalls that might be encountered upon adopting a given chemical genetics approach.
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Affiliation(s)
- Wim Dejonghe
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium (W.D., E.R); and
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium (W.D., E.R.)
| | - Eugenia Russinova
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium (W.D., E.R); and
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium (W.D., E.R.)
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18
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Burrell T, Fozard S, Holroyd GH, French AP, Pound MP, Bigley CJ, James Taylor C, Forde BG. The Microphenotron: a robotic miniaturized plant phenotyping platform with diverse applications in chemical biology. Plant Methods 2017; 13:10. [PMID: 28265297 PMCID: PMC5333401 DOI: 10.1186/s13007-017-0158-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Accepted: 02/02/2017] [Indexed: 05/06/2023]
Abstract
BACKGROUND Chemical genetics provides a powerful alternative to conventional genetics for understanding gene function. However, its application to plants has been limited by the lack of a technology that allows detailed phenotyping of whole-seedling development in the context of a high-throughput chemical screen. We have therefore sought to develop an automated micro-phenotyping platform that would allow both root and shoot development to be monitored under conditions where the phenotypic effects of large numbers of small molecules can be assessed. RESULTS The 'Microphenotron' platform uses 96-well microtitre plates to deliver chemical treatments to seedlings of Arabidopsis thaliana L. and is based around four components: (a) the 'Phytostrip', a novel seedling growth device that enables chemical treatments to be combined with the automated capture of images of developing roots and shoots; (b) an illuminated robotic platform that uses a commercially available robotic manipulator to capture images of developing shoots and roots; (c) software to control the sequence of robotic movements and integrate these with the image capture process; (d) purpose-made image analysis software for automated extraction of quantitative phenotypic data. Imaging of each plate (representing 80 separate assays) takes 4 min and can easily be performed daily for time-course studies. As currently configured, the Microphenotron has a capacity of 54 microtitre plates in a growth room footprint of 2.1 m2, giving a potential throughput of up to 4320 chemical treatments in a typical 10 days experiment. The Microphenotron has been validated by using it to screen a collection of 800 natural compounds for qualitative effects on root development and to perform a quantitative analysis of the effects of a range of concentrations of nitrate and ammonium on seedling development. CONCLUSIONS The Microphenotron is an automated screening platform that for the first time is able to combine large numbers of individual chemical treatments with a detailed analysis of whole-seedling development, and particularly root system development. The Microphenotron should provide a powerful new tool for chemical genetics and for wider chemical biology applications, including the development of natural and synthetic chemical products for improved agricultural sustainability.
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Affiliation(s)
- Thomas Burrell
- Engineering Department, Lancaster University, Lancaster, LA1 4YR UK
| | - Susan Fozard
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ UK
| | - Geoff H. Holroyd
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ UK
| | - Andrew P. French
- The Centre for Plant Integrative Biology, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Nottingham, LE12 5RD UK
- School of Computer Science, University of Nottingham, Jubilee Campus, Nottingham, NG8 1BB UK
| | - Michael P. Pound
- The Centre for Plant Integrative Biology, School of Biosciences, Sutton Bonington Campus, University of Nottingham, Nottingham, LE12 5RD UK
- School of Computer Science, University of Nottingham, Jubilee Campus, Nottingham, NG8 1BB UK
| | | | - C. James Taylor
- Engineering Department, Lancaster University, Lancaster, LA1 4YR UK
| | - Brian G. Forde
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ UK
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19
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Vandelle E, Puttilli MR, Chini A, Devescovi G, Venturi V, Polverari A. Application of Chemical Genomics to Plant-Bacteria Communication: A High-Throughput System to Identify Novel Molecules Modulating the Induction of Bacterial Virulence Genes by Plant Signals. Methods Mol Biol 2017; 1610:297-314. [PMID: 28439871 DOI: 10.1007/978-1-4939-7003-2_19] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The life cycle of bacterial phytopathogens consists of a benign epiphytic phase, during which the bacteria grow in the soil or on the plant surface, and a virulent endophytic phase involving the penetration of host defenses and the colonization of plant tissues. Innovative strategies are urgently required to integrate copper treatments that control the epiphytic phase with complementary tools that control the virulent endophytic phase, thus reducing the quantity of chemicals applied to economically and ecologically acceptable levels. Such strategies include targeted treatments that weaken bacterial pathogens, particularly those inhibiting early infection steps rather than tackling established infections. This chapter describes a reporter gene-based chemical genomic high-throughput screen for the induction of bacterial virulence by plant molecules. Specifically, we describe a chemical genomic screening method to identify agonist and antagonist molecules for the induction of targeted bacterial virulence genes by plant extracts, focusing on the experimental controls required to avoid false positives and thus ensuring the results are reliable and reproducible.
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20
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Yan J, Li S, Gu M, Yao R, Li Y, Chen J, Yang M, Tong J, Xiao L, Nan F, Xie D. Endogenous Bioactive Jasmonate Is Composed of a Set of (+)-7-iso-JA-Amino Acid Conjugates. Plant Physiol 2016; 172:2154-2164. [PMID: 27756820 PMCID: PMC5129707 DOI: 10.1104/pp.16.00906] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 10/14/2016] [Indexed: 05/04/2023]
Abstract
Jasmonates (JAs) regulate a wide range of plant defense and development processes. The bioactive JA is perceived by its receptor COI1 to trigger the degradation of JASMONATE ZIM-DOMAIN (JAZ) proteins and subsequently derepress the JAZ-repressed transcription factors for activation of expression of JA-responsive genes. So far, (+)-7-iso-JA-l-Ile has been the only identified endogenous bioactive JA molecule. Here, we designed coronafacic acid (CFA) conjugates with all the amino acids (CFA-AA) to mimic the JA amino acid conjugates, and revealed that (+)-7-iso-JA-Leu, (+)-7-iso-JA-Val, (+)-7-iso-JA-Met, and (+)-7-iso-JA-Ala are new endogenous bioactive JA molecules. Furthermore, our studies uncover the general characteristics for all the bioactive JA molecules, and provide a new strategy to synthetically generate novel active JA molecules.
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Affiliation(s)
- Jianbin Yan
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.);
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Suhua Li
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.)
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Min Gu
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.)
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Ruifeng Yao
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.)
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Yuwen Li
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.)
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Juan Chen
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.)
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Mai Yang
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.)
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Jianhua Tong
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.)
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Langtao Xiao
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.)
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Fajun Nan
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.);
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
| | - Daoxin Xie
- Tsinghua-Peking Joint Center for Life Sciences, and MOE Key Laboratory of Bioinformatics, School of Life Sciences, Tsinghua University, Beijing 100084, China (J.Y., S.L., R.Y., Y.L., J.C., M.Y., D.X.);
- National Center for Drug Screening, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Shanghai Institutes of Biological Sciences, Chinese Academy of Sciences, Shanghai 201203, China (M.G., F.N.); and Hunan Provincial Key Laboratory of Phytohormones and Growth Development, Hunan Provincial Key Laboratory for Crop Germplasm Innovation and Utilization, Hunan Agricultural University, Changsha 410128, China (J.T., L.X.)
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21
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Chini A, Gimenez-Ibanez S, Goossens A, Solano R. Redundancy and specificity in jasmonate signalling. Curr Opin Plant Biol 2016; 33:147-156. [PMID: 27490895 DOI: 10.1016/j.pbi.2016.07.005] [Citation(s) in RCA: 215] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 07/05/2016] [Accepted: 07/12/2016] [Indexed: 05/21/2023]
Abstract
Jasmonates (JAs) are essential phytohormones regulating plant development and environmental adaptation. Many components of the JA-signalling pathway have been identified. However, our insight into the mechanisms by which a single bioactive JA hormone can regulate a myriad of physiological processes and provide specificity in the response remains limited. Recent findings on molecular components suggest that, despite apparent redundancy, specificity is achieved by (1) distinct protein-protein interactions forming unique JAZ/transcription factor complexes, (2) discrete spatiotemporal expression of specific components, (3) variable hormone thresholds for the formation of multiple JA receptor complexes and (4) integration of several signals by JA-pathway components. The molecular modularity that is thereby created enables a single bioactive hormone to specifically modulate multiple JA-outputs in response to different environmental and developmental cues.
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Affiliation(s)
- Andrea Chini
- Department of Plant Molecular Genetics, National Centre for Biotechnology (CNB-CSIC), 28049 Madrid, Spain
| | - Selena Gimenez-Ibanez
- Department of Plant Molecular Genetics, National Centre for Biotechnology (CNB-CSIC), 28049 Madrid, Spain
| | - Alain Goossens
- Department of Plant Systems Biology, Flanders Institute for Biotechnology (VIB), Technologiepark 927, B-9052 Gent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, B-9052 Gent, Belgium
| | - Roberto Solano
- Department of Plant Molecular Genetics, National Centre for Biotechnology (CNB-CSIC), 28049 Madrid, Spain.
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Simm S, Scharf KD, Jegadeesan S, Chiusano ML, Firon N, Schleiff E. Survey of Genes Involved in Biosynthesis, Transport, and Signaling of Phytohormones with Focus on Solanum lycopersicum. Bioinform Biol Insights 2016; 10:185-207. [PMID: 27695302 PMCID: PMC5038615 DOI: 10.4137/bbi.s38425] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 08/15/2016] [Accepted: 08/16/2016] [Indexed: 12/19/2022] Open
Abstract
Phytohormones control the development and growth of plants, as well as their response to biotic and abiotic stress. The seven most well-studied phytohormone classes defined today are as follows: auxins, ethylene, cytokinin, abscisic acid, jasmonic acid, gibberellins, and brassinosteroids. The basic principle of hormone regulation is conserved in all plants, but recent results suggest adaptations of synthesis, transport, or signaling pathways to the architecture and growth environment of different plant species. Thus, we aimed to define the extent to which information from the model plant Arabidopsis thaliana is transferable to other plants such as Solanum lycopersicum. We extracted the co-orthologues of genes coding for major pathway enzymes in A. thaliana from the translated genomes of 12 species from the clade Viridiplantae. Based on predicted domain architecture and localization of the identified proteins from all 13 species, we inspected the conservation of phytohormone pathways. The comparison was complemented by expression analysis of (co-) orthologous genes in S. lycopersicum. Altogether, this information allowed the assignment of putative functional equivalents between A. thaliana and S. lycopersicum but also pointed to some variations between the pathways in eudicots, monocots, mosses, and green algae. These results provide first insights into the conservation of the various phytohormone pathways between the model system A. thaliana and crop plants such as tomato. We conclude that orthologue prediction in combination with analysis of functional domain architecture and intracellular localization and expression studies are sufficient tools to transfer information from model plants to other plant species. Our results support the notion that hormone synthesis, transport, and response for most part of the pathways are conserved, and species-specific variations can be found.
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Affiliation(s)
- Stefan Simm
- Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany.; Cluster of Excellence Macromolecular Complexes, Institute for Molecular Cell Biology of Plants, Frankfurt am Main, Germany
| | - Klaus-Dieter Scharf
- Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany.; Cluster of Excellence Macromolecular Complexes, Institute for Molecular Cell Biology of Plants, Frankfurt am Main, Germany
| | - Sridharan Jegadeesan
- Department of Vegetable Research, Institute for Plant Sciences, Agricultural Research Organization, Volcani Centre, Bet Dagan, Israel.; The Robert H. Smith Faculty of Agriculture, Food and Environment, The Robert H. Smith Institute of Plant Sciences and Genetics in Agriculture, The Hebrew University of Jerusalem, Rehovot, Israel
| | - Maria Luisa Chiusano
- Department of Soil, Plants Environmental and Animal Production Sciences, Laboratory of Computer Aided Biosciences, University of Studies of Naples Federico II, Portici, Naples, Italy
| | - Nurit Firon
- Department of Vegetable Research, Institute for Plant Sciences, Agricultural Research Organization, Volcani Centre, Bet Dagan, Israel
| | - Enrico Schleiff
- Buchmann Institute for Molecular Life Sciences, Goethe University Frankfurt, Frankfurt am Main, Germany.; Cluster of Excellence Macromolecular Complexes, Institute for Molecular Cell Biology of Plants, Frankfurt am Main, Germany
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Goossens J, Fernández-Calvo P, Schweizer F, Goossens A. Jasmonates: signal transduction components and their roles in environmental stress responses. Plant Mol Biol 2016; 68:1333-1347. [PMID: 27927998 DOI: 10.1093/jxb/erw440] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Jasmonates, oxylipin-type plant hormones, are implicated in diverse aspects of plant growth development and interaction with the environment. Following diverse developmental and environmental cues, jasmonate is produced, conjugated to the amino acid isoleucine and perceived by a co-receptor complex composed of the Jasmonate ZIM-domain (JAZ) repressor proteins and an E3 ubiquitin ligase complex containing the F-box CORONATINE INSENSITIVE 1 (COI1). This event triggers the degradation of the JAZ proteins and the release of numerous transcription factors, including MYC2 and its homologues, which are otherwise bound and inhibited by the JAZ repressors. Here, we will review the role of the COI1, JAZ and MYC2 proteins in the interaction of the plant with its environment, illustrating the significance of jasmonate signalling, and of the proteins involved, for responses to both biotic stresses caused by insects and numerous microbial pathogens and abiotic stresses caused by adverse climatic conditions. It has also become evident that crosstalk with other hormone signals, as well as light and clock signals, plays an important role in the control and fine-tuning of these stress responses. Finally, we will discuss how several pathogens exploit the jasmonate perception and early signalling machinery to decoy the plants defence systems.
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Affiliation(s)
- Jonas Goossens
- Department of Plant Systems Biology, Flanders Institute for Biotechnology, Technologiepark 927, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
| | - Patricia Fernández-Calvo
- Department of Plant Systems Biology, Flanders Institute for Biotechnology, Technologiepark 927, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
| | - Fabian Schweizer
- Department of Plant Systems Biology, Flanders Institute for Biotechnology, Technologiepark 927, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
| | - Alain Goossens
- Department of Plant Systems Biology, Flanders Institute for Biotechnology, Technologiepark 927, 9052, Ghent, Belgium.
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium.
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24
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Goossens J, Fernández-Calvo P, Schweizer F, Goossens A. Jasmonates: signal transduction components and their roles in environmental stress responses. Plant Mol Biol 2016; 91:673-89. [PMID: 27086135 DOI: 10.1007/s11103-016-0480-9] [Citation(s) in RCA: 117] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Accepted: 04/09/2016] [Indexed: 05/20/2023]
Abstract
Jasmonates, oxylipin-type plant hormones, are implicated in diverse aspects of plant growth development and interaction with the environment. Following diverse developmental and environmental cues, jasmonate is produced, conjugated to the amino acid isoleucine and perceived by a co-receptor complex composed of the Jasmonate ZIM-domain (JAZ) repressor proteins and an E3 ubiquitin ligase complex containing the F-box CORONATINE INSENSITIVE 1 (COI1). This event triggers the degradation of the JAZ proteins and the release of numerous transcription factors, including MYC2 and its homologues, which are otherwise bound and inhibited by the JAZ repressors. Here, we will review the role of the COI1, JAZ and MYC2 proteins in the interaction of the plant with its environment, illustrating the significance of jasmonate signalling, and of the proteins involved, for responses to both biotic stresses caused by insects and numerous microbial pathogens and abiotic stresses caused by adverse climatic conditions. It has also become evident that crosstalk with other hormone signals, as well as light and clock signals, plays an important role in the control and fine-tuning of these stress responses. Finally, we will discuss how several pathogens exploit the jasmonate perception and early signalling machinery to decoy the plants defence systems.
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Affiliation(s)
- Jonas Goossens
- Department of Plant Systems Biology, Flanders Institute for Biotechnology, Technologiepark 927, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
| | - Patricia Fernández-Calvo
- Department of Plant Systems Biology, Flanders Institute for Biotechnology, Technologiepark 927, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
| | - Fabian Schweizer
- Department of Plant Systems Biology, Flanders Institute for Biotechnology, Technologiepark 927, 9052, Ghent, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium
| | - Alain Goossens
- Department of Plant Systems Biology, Flanders Institute for Biotechnology, Technologiepark 927, 9052, Ghent, Belgium.
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Technologiepark 927, 9052, Ghent, Belgium.
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25
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Abstract
Plants are as adept as animals and humans in reacting effectively to their ever-changing environment. Of necessity, their sessile nature requires specific adaptations, but their cells possess a network-type communication system with emerging properties at the level of the organ or entire plant. The specific adjustments in growth and development of plants can be taken to represent behavior. Their ability to learn from experience and to memorize previous experiences in order to optimize fitness allows effective acclimation to environmental stresses and can be considered a form of intelligence. Intelligent behavior is exemplified by the exceptional versatility of plants to deal with abiotic stresses as well as microbial and insect attack by balancing appropriate defensive reactions.
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Affiliation(s)
- Leendert C van Loon
- Plant-Microbe Interactions, Department of Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands.
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26
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Radhika V, Ueda N, Tsuboi Y, Kojima M, Kikuchi J, Kudo T, Sakakibara H. Methylated Cytokinins from the Phytopathogen Rhodococcus fascians Mimic Plant Hormone Activity. Plant Physiol 2015; 169:1118-26. [PMID: 26251309 PMCID: PMC4587462 DOI: 10.1104/pp.15.00787] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 08/05/2015] [Indexed: 05/22/2023]
Abstract
Cytokinins (CKs), a class of phytohormones that regulate plant growth and development, are also synthesized by some phytopathogens to disrupt the hormonal balance and to facilitate niche establishment in their hosts. Rhodococcus fascians harbors the fasciation (fas) locus, an operon encoding several genes homologous to CK biosynthesis and metabolism. This pathogen causes unique leafy gall symptoms reminiscent of CK overproduction; however, bacterial CKs have not been clearly correlated with the severe symptoms, and no virulence-associated unique CKs or analogs have been identified. Here, we report the identification of monomethylated N(6)-(∆(2)-isopentenyl)adenine and dimethylated N(6)-(∆(2)-isopentenyl)adenine (collectively, methylated cytokinins [MeCKs]) from R. fascians. MeCKs were recognized by a CK receptor and up-regulated type-A ARABIDOPSIS THALIANA RESPONSE REGULATOR genes. Treatment with MeCKs inhibited root growth, a hallmark of CK action, whereas the receptor mutant was insensitive. MeCKs were retained longer in planta than canonical CKs and were poor substrates for a CK oxidase/dehydrogenase, suggesting enhanced biological stability. MeCKs were synthesized by S-adenosyl methionine-dependent methyltransferases (MT1 and MT2) that are present upstream of the fas genes. The best substrate for methylation was isopentenyl diphosphate. MT1 and MT2 catalyzed distinct methylation reactions; only the MT2 product was used by FAS4 to synthesize monomethylated N(6)-(∆(2)-isopentenyl)adenine. The MT1 product was dimethylated by MT2 and used as a substrate by FAS4 to produce dimethylated N(6)-(∆(2)-isopentenyl)adenine. Chemically synthesized MeCKs were comparable in activity. Our results strongly suggest that MeCKs function as CK mimics and play a role in this plant-pathogen interaction.
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Affiliation(s)
- Venkatesan Radhika
- Plant Productivity Systems Research Group (V.R., N.U., M.K., H.S.) and Environmental Metabolic Analysis Research Team (Y.T., J.K.), RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan;RIKEN BioResource Center, Tsukuba 305-0074, Japan (T.K.); andGraduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan (H.S.)
| | - Nanae Ueda
- Plant Productivity Systems Research Group (V.R., N.U., M.K., H.S.) and Environmental Metabolic Analysis Research Team (Y.T., J.K.), RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan;RIKEN BioResource Center, Tsukuba 305-0074, Japan (T.K.); andGraduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan (H.S.)
| | - Yuuri Tsuboi
- Plant Productivity Systems Research Group (V.R., N.U., M.K., H.S.) and Environmental Metabolic Analysis Research Team (Y.T., J.K.), RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan;RIKEN BioResource Center, Tsukuba 305-0074, Japan (T.K.); andGraduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan (H.S.)
| | - Mikiko Kojima
- Plant Productivity Systems Research Group (V.R., N.U., M.K., H.S.) and Environmental Metabolic Analysis Research Team (Y.T., J.K.), RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan;RIKEN BioResource Center, Tsukuba 305-0074, Japan (T.K.); andGraduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan (H.S.)
| | - Jun Kikuchi
- Plant Productivity Systems Research Group (V.R., N.U., M.K., H.S.) and Environmental Metabolic Analysis Research Team (Y.T., J.K.), RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan;RIKEN BioResource Center, Tsukuba 305-0074, Japan (T.K.); andGraduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan (H.S.)
| | - Takuji Kudo
- Plant Productivity Systems Research Group (V.R., N.U., M.K., H.S.) and Environmental Metabolic Analysis Research Team (Y.T., J.K.), RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan;RIKEN BioResource Center, Tsukuba 305-0074, Japan (T.K.); andGraduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan (H.S.)
| | - Hitoshi Sakakibara
- Plant Productivity Systems Research Group (V.R., N.U., M.K., H.S.) and Environmental Metabolic Analysis Research Team (Y.T., J.K.), RIKEN Center for Sustainable Resource Science, Yokohama 230-0045, Japan;RIKEN BioResource Center, Tsukuba 305-0074, Japan (T.K.); andGraduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, Japan (H.S.)
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27
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Zhang X, Berkowitz O, Teixeira da Silva JA, Zhang M, Ma G, Whelan J, Duan J. RNA-Seq analysis identifies key genes associated with haustorial development in the root hemiparasite Santalum album. Front Plant Sci 2015; 6:661. [PMID: 26388878 PMCID: PMC4555033 DOI: 10.3389/fpls.2015.00661] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 08/11/2015] [Indexed: 05/20/2023]
Abstract
Santalum album (sandalwood) is one of the economically important plant species in the Santalaceae for its production of highly valued perfume oils. Sandalwood is also a hemiparasitic tree that obtains some of its water and simple nutrients by tapping into other plants through haustoria which are highly specialized organs in parasitic angiosperms. However, an understanding of the molecular mechanisms involved in haustorium development is limited. In this study, RNA sequencing (RNA-seq) analyses were performed to identify changes in gene expression and metabolic pathways associated with the development of the S. album haustorium. A total of 56,011 non-redundant contigs with a mean contig size of 618 bp were obtained by de novo assembly of the transcriptome of haustoria and non-haustorial seedling roots. A substantial number of the identified differentially expressed genes were involved in cell wall metabolism and protein metabolism, as well as mitochondrial electron transport functions. Phytohormone-mediated regulation might play an important role during haustorial development. Especially, auxin signaling is likely to be essential for haustorial initiation, and genes related to cytokinin and gibberellin biosynthesis and metabolism are involved in haustorial development. Our results suggest that genes encoding nodulin-like proteins may be important for haustorial morphogenesis in S. album. The obtained sequence data will become a rich resource for future research in this interesting species. This information improves our understanding of haustorium development in root hemiparasitic species and will allow further exploration of the detailed molecular mechanisms underlying plant parasitism.
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Affiliation(s)
- Xinhua Zhang
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
| | - Oliver Berkowitz
- Australian Research Council Centre of Excellence in Plant Energy Biology, The University of Western AustraliaCrawley, WA, Australia
- Department of Botany, Australian Research Council Centre of Excellence in Plant Energy Biology, School of Life Science, La Trobe UniversityBundoora, VIC, Australia
| | | | - Muhan Zhang
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
| | - Guohua Ma
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
| | - James Whelan
- Department of Botany, Australian Research Council Centre of Excellence in Plant Energy Biology, School of Life Science, La Trobe UniversityBundoora, VIC, Australia
| | - Jun Duan
- Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of SciencesGuangzhou, China
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28
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Abstract
The establishment and maintenance of controlled auxin gradients within plant tissues are essential for a multitude of developmental processes. Auxin gradient formation is co-ordinated via local biosynthesis and transport. Cell to cell auxin transport is facilitated and precisely regulated by complex endomembrane trafficking mechanisms that target auxin carrier proteins to their final destinations. In turn, auxin and cross-talk with other phytohormones regulate the endomembrane trafficking of auxin carriers. Dissecting such rapid and complicated processes is challenging for classical genetic experiments due to trafficking pathway diversity, gene functional redundancy, and lethality in loss-of-function mutants. Many of these difficulties can be bypassed via the use of small molecules to modify or disrupt the function or localization of proteins. Here, we will review examples of the knowledge acquired by the use of such chemical tools in this field, outlining the advantages afforded by chemical biology approaches.
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Affiliation(s)
- Siamsa M Doyle
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 90183 Umeå, Sweden
| | - Thomas Vain
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 90183 Umeå, Sweden
| | - Stéphanie Robert
- Umeå Plant Science Centre, Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 90183 Umeå, Sweden
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29
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Serrano M, Kombrink E, Meesters C. Considerations for designing chemical screening strategies in plant biology. Front Plant Sci 2015; 6:131. [PMID: 25904921 PMCID: PMC4389374 DOI: 10.3389/fpls.2015.00131] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 02/18/2015] [Indexed: 05/03/2023]
Abstract
Traditionally, biologists regularly used classical genetic approaches to characterize and dissect plant processes. However, this strategy is often impaired by redundancy, lethality or pleiotropy of gene functions, which prevent the isolation of viable mutants. The chemical genetic approach has been recognized as an alternative experimental strategy, which has the potential to circumvent these problems. It relies on the capacity of small molecules to modify biological processes by specific binding to protein target(s), thereby conditionally modifying protein function(s), which phenotypically resemble mutation(s) of the encoding gene(s). A successful chemical screening campaign comprises three equally important elements: (1) a reliable, robust, and quantitative bioassay, which allows to distinguish between potent and less potent compounds, (2) a rigorous validation process for candidate compounds to establish their selectivity, and (3) an experimental strategy for elucidating a compound's mode of action and molecular target. In this review we will discuss details of this general strategy and additional aspects that deserve consideration in order to take full advantage of the power provided by the chemical approach to plant biology. In addition, we will highlight some success stories of recent chemical screenings in plant systems, which may serve as teaching examples for the implementation of future chemical biology projects.
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Affiliation(s)
- Mario Serrano
- Plant Biology, Department of Biology, University of FribourgFribourg, Switzerland
| | - Erich Kombrink
- Chemical Biology Laboratory, Max Planck Institute for Plant Breeding ResearchKöln, Germany
| | - Christian Meesters
- Chemical Biology Laboratory, Max Planck Institute for Plant Breeding ResearchKöln, Germany
- Department of Chemical Biology, Faculty of Biology, Center for Medical Biotechnology, University of Duisburg-EssenEssen, Germany
- *Correspondence: Christian Meesters, Chemical Biology Laboratory, Max Planck Institute for Plant Breeding Research, Carl-von-Linné Weg 10, 50829 Köln, Germany
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