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Terletskaya NV, Shadenova EA, Litvinenko YA, Ashimuly K, Erbay M, Mamirova A, Nazarova I, Meduntseva ND, Kudrina NO, Korbozova NK, Djangalina ED. Influence of Cold Stress on Physiological and Phytochemical Characteristics and Secondary Metabolite Accumulation in Microclones of Juglans regia L. Int J Mol Sci 2024; 25:4991. [PMID: 38732208 PMCID: PMC11084536 DOI: 10.3390/ijms25094991] [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: 04/16/2024] [Revised: 04/28/2024] [Accepted: 04/29/2024] [Indexed: 05/13/2024] Open
Abstract
The current study investigated the impact of cold stress on the morphological, physiological, and phytochemical properties of Juglans regia L. (J. regia) using in vitro microclone cultures. The study revealed significant stress-induced changes in the production of secondary antioxidant metabolites. According to gas chromatography-mass spectrometry (GC-MS) analyses, the stress conditions profoundly altered the metabolism of J. regia microclones. Although the overall spectrum of metabolites was reduced, the production of key secondary antioxidant metabolites significantly increased. Notably, there was a sevenfold (7×) increase in juglone concentration. These findings are crucial for advancing walnut metabolomics and enhancing our understanding of plant responses to abiotic stress factors. Additionally, study results aid in identifying the role of individual metabolites in these processes, which is essential for developing strategies to improve plant resilience and tolerance to adverse conditions.
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Affiliation(s)
- Nina V. Terletskaya
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan; (M.E.); (A.M.); (N.O.K.); (N.K.K.)
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
| | - Elvira A. Shadenova
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
| | - Yuliya A. Litvinenko
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
- Faculty of Chemistry, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan
| | - Kazhybek Ashimuly
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
- Faculty of Chemistry, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan
| | - Malika Erbay
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan; (M.E.); (A.M.); (N.O.K.); (N.K.K.)
- Faculty of Chemistry, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan
| | - Aigerim Mamirova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan; (M.E.); (A.M.); (N.O.K.); (N.K.K.)
| | - Irada Nazarova
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
- Faculty of Chemistry, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan
| | - Nataliya D. Meduntseva
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
| | - Nataliya O. Kudrina
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan; (M.E.); (A.M.); (N.O.K.); (N.K.K.)
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
| | - Nazym K. Korbozova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Al-Farabi 71, Almaty 050040, Kazakhstan; (M.E.); (A.M.); (N.O.K.); (N.K.K.)
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
| | - Erika D. Djangalina
- Institute of Genetic and Physiology, Al-Farabi 93, Almaty 050040, Kazakhstan; (E.A.S.); (Y.A.L.); (K.A.); (N.D.M.)
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Song X, Gao T, Ai M, Gao S. Experimental investigation of freeze injury temperatures in trees and their contributing factors based on electrical impedance spectroscopy. FRONTIERS IN PLANT SCIENCE 2024; 15:1326038. [PMID: 38419778 PMCID: PMC10900768 DOI: 10.3389/fpls.2024.1326038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 01/23/2024] [Indexed: 03/02/2024]
Abstract
In trees, injuries resulting from subfreezing temperatures can cause damage to the cellular biofilm system, metabolic functions, and fibrous reticulum, and even cell death. Investigating the occurrence of freezing damage and its contributing factors could help understand the mechanisms underlying freezing injury and prevent the subsequent damage in trees. To achieve this, a laboratory experiment was conducted using cut wood samples from Korean pine (Pinus koraiensis Siebold & Zucc) and Simon poplar (Populus simonii Carr.), and the effects of environmental freezing factors, including freezing temperatures, freezing duration, and cooling rate, on the temperature at which freezing injuries occur were examined using the electrical impedance spectroscopy (EIS) method. The semi-lethal temperature (LT50), as an indicator of freezing injury in wood tissue, was theoretically deduced based on the measured extracellular resistance (r e) using EIS. The contributory factors to changes in LT50 were determined and their relationship was established. The results revealed that all freezing factors exhibited significant effects on electrical impedance characteristics (r e, r i, and τ), significantly influencing the LT50 of the wood. Random forest (RF) and support vector machine (SVM) models were used to assess the contribution of the freezing factors and moisture content (MC). Among the factors examined, freezing duration had the greatest impact on LT50, followed by the MC, whereas the contribution of the cooling rate was minimal. The model accuracies were 0.89 and 0.86 for Korean pine and Simon poplar, respectively. The findings of our study illustrate that the occurrence of freezing injury in trees is primarily influenced by the duration of freezing at specific subzero temperatures. Slow cooling combined with prolonged freezing at low subzero temperatures leads to earlier and more severe freezing damage.
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Affiliation(s)
- Xinyu Song
- College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin, China
| | - Tong Gao
- College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin, China
| | - Mengyao Ai
- College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin, China
| | - Shan Gao
- School of Civil Engineering and Transportation, Northeast Forestry University, Harbin, China
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Deryabin AN, Trunova TI. Colligative Effects of Solutions of Low-Molecular Sugars and Their Role in Plants under Hypothermia. BIOL BULL+ 2022. [DOI: 10.1134/s1062359021060042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ramirez VE, Poppenberger B. Modes of Brassinosteroid Activity in Cold Stress Tolerance. FRONTIERS IN PLANT SCIENCE 2020; 11:583666. [PMID: 33240301 PMCID: PMC7677411 DOI: 10.3389/fpls.2020.583666] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 10/09/2020] [Indexed: 06/11/2023]
Abstract
Cold stress is a significant environmental factor that negatively affects plant growth and development in particular when it occurs during the growth phase. Plants have evolved means to protect themselves from damage caused by chilling or freezing temperatures and some plant species, in particular those from temperate geographical zones, can increase their basal level of freezing tolerance in a process termed cold acclimation. Cold acclimation improves plant survival, but also represses growth, since it inhibits activity of the growth-promoting hormones gibberellins (GAs). In addition to GAs, the steroid hormones brassinosteroids (BRs) also take part in growth promotion and cold stress signaling; however, in contrast to Gas, BRs can improve cold stress tolerance with fewer trade-offs in terms of growth and yields. Here we summarize our current understanding of the roles of BRs in cold stress responses with a focus on freezing tolerance and cold acclimation pathways.
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Acuña-Rodríguez IS, Newsham KK, Gundel PE, Torres-Díaz C, Molina-Montenegro MA. Functional roles of microbial symbionts in plant cold tolerance. Ecol Lett 2020; 23:1034-1048. [PMID: 32281227 DOI: 10.1111/ele.13502] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/14/2020] [Accepted: 03/06/2020] [Indexed: 12/12/2022]
Abstract
In this review, we examine the functional roles of microbial symbionts in plant tolerance to cold and freezing stresses. The impacts of symbionts on antioxidant activity, hormonal signaling and host osmotic balance are described, including the effects of the bacterial endosymbionts Burkholderia, Pseudomonas and Azospirillum on photosynthesis and the accumulation of carbohydrates such as trehalose and raffinose that improve cell osmotic regulation and plasma membrane integrity. The influence of root fungal endophytes and arbuscular mycorrhizal fungi on plant physiology at low temperatures, for example their effects on nutrient acquisition and the accumulation of indole-3-acetic acid and antioxidants in tissues, are also reviewed. Meta-analyses are presented showing that aspects of plant performance (shoot biomass, relative water content, sugar and proline concentrations and Fv /Fm ) are enhanced in symbiotic plants at low (-1 to 15 °C), but not at high (20-26 °C), temperatures. We discuss the implications of microbial symbionts for plant performance at low and sub-zero temperatures in the natural environment and propose future directions for research into the effects of symbionts on the cold and freezing tolerances of plants, concluding that further studies should routinely incorporate symbiotic microbes in their experimental designs.
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Affiliation(s)
- Ian S Acuña-Rodríguez
- Laboratorio de Biología Vegetal, Instituto de Ciencias Biológicas, Universidad de Talca, Campus Lircay, Talca, Chile
| | | | - Pedro E Gundel
- IFEVA, CONICET, Universidad de Buenos Aires, Facultad de Agronomía, Buenos Aires, Argentina
| | - Cristian Torres-Díaz
- Grupo de Biodiversidad y Cambio Global (BCG), Departamento de Ciencias Básicas, Universidad del Bío-Bío, Campus Fernando May, Chillán, Chile
| | - Marco A Molina-Montenegro
- Laboratorio de Biología Vegetal, Instituto de Ciencias Biológicas, Universidad de Talca, Campus Lircay, Talca, Chile.,Centro de Estudios Avanzados en Zonas Áridas (CEAZA), Facultad de Ciencias del Mar, Universidad Católica del Norte, Coquimbo, Chile.,Centro de Investigación en Estudios Avanzados del Maule (CIEAM), Universidad Católica del Maule, Campus San Miguel, Talca, Chile
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Kindgren P, Ivanov M, Marquardt S. Native elongation transcript sequencing reveals temperature dependent dynamics of nascent RNAPII transcription in Arabidopsis. Nucleic Acids Res 2020; 48:2332-2347. [PMID: 31863587 PMCID: PMC7049701 DOI: 10.1093/nar/gkz1189] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 12/05/2019] [Accepted: 12/11/2019] [Indexed: 01/12/2023] Open
Abstract
Temperature profoundly affects the kinetics of biochemical reactions, yet how large molecular complexes such as the transcription machinery accommodate changing temperatures to maintain cellular function is poorly understood. Here, we developed plant native elongating transcripts sequencing (plaNET-seq) to profile genome-wide nascent RNA polymerase II (RNAPII) transcription during the cold-response of Arabidopsis thaliana with single-nucleotide resolution. Combined with temporal resolution, these data revealed transient genome-wide reprogramming of nascent RNAPII transcription during cold, including characteristics of RNAPII elongation and thousands of non-coding transcripts connected to gene expression. Our results suggest a role for promoter-proximal RNAPII stalling in predisposing genes for transcriptional activation during plant-environment interactions. At gene 3'-ends, cold initially facilitated transcriptional termination by limiting the distance of read-through transcription. Within gene bodies, cold reduced the kinetics of co-transcriptional splicing leading to increased intragenic stalling. Our data resolved multiple distinct mechanisms by which temperature transiently altered the dynamics of nascent RNAPII transcription and associated RNA processing, illustrating potential biotechnological solutions and future focus areas to promote food security in the context of a changing climate.
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Affiliation(s)
- Peter Kindgren
- University of Copenhagen, Department of Plant and Environmental Sciences, Copenhagen Plant Science Centre, Frederiksberg, Denmark
| | - Maxim Ivanov
- University of Copenhagen, Department of Plant and Environmental Sciences, Copenhagen Plant Science Centre, Frederiksberg, Denmark
| | - Sebastian Marquardt
- University of Copenhagen, Department of Plant and Environmental Sciences, Copenhagen Plant Science Centre, Frederiksberg, Denmark
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Vu LD, Gevaert K, De Smet I. Feeling the Heat: Searching for Plant Thermosensors. TRENDS IN PLANT SCIENCE 2019; 24:210-219. [PMID: 30573309 DOI: 10.1016/j.tplants.2018.11.004] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 11/15/2018] [Accepted: 11/19/2018] [Indexed: 05/21/2023]
Abstract
To draw the complete picture of plant thermal signaling, it is important to find the missing links between the temperature cue, the actual sensing, and the subsequent response. In this context, several plant thermosensors have been proposed. Here, we compare these with thermosensors in various other organisms, put them in the context of thermosensing in plants, and suggest a set of criteria to which a thermosensor must adhere. Finally, we propose that more emphasis should be given to structural analysis of DNA, RNA, and proteins in light of the activity of potential thermosensors.
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Affiliation(s)
- Lam Dai Vu
- Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium; VIB Center for Plant Systems Biology, B-9052 Ghent, Belgium; Department of Biomolecular Medicine, Ghent University, B-9000 Ghent, Belgium; VIB Center for Medical Biotechnology, B-9000 Ghent, Belgium
| | - Kris Gevaert
- Department of Biomolecular Medicine, Ghent University, B-9000 Ghent, Belgium; VIB Center for Medical Biotechnology, B-9000 Ghent, Belgium; These authors contributed equally. https://twitter.com/KrisGevaert_VIB
| | - Ive De Smet
- Department of Plant Biotechnology and Bioinformatics, Ghent University, B-9052 Ghent, Belgium; VIB Center for Plant Systems Biology, B-9052 Ghent, Belgium; These authors contributed equally.
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Body MJA, Neer WC, Vore C, Lin CH, Vu DC, Schultz JC, Cocroft RB, Appel HM. Caterpillar Chewing Vibrations Cause Changes in Plant Hormones and Volatile Emissions in Arabidopsis thaliana. FRONTIERS IN PLANT SCIENCE 2019; 10:810. [PMID: 31297123 PMCID: PMC6607473 DOI: 10.3389/fpls.2019.00810] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 06/05/2019] [Indexed: 05/08/2023]
Abstract
Plant perception of insect feeding involves integration of the multiple signals involved: wounding, oral secretions, and substrate borne feeding vibrations. Although plant responses to wounding and oral secretions have been studied, little is known about how signals from the rapidly transmitted vibrations caused by chewing insect feeding are integrated to produce effects on plant defenses. In this study, we examined whether 24 h of insect feeding vibrations caused changes in levels of phytohormones and volatile organic compounds (VOCs) produced by leaves of Arabidopsis thaliana when they were subjected to just feeding vibrations or feeding vibrations and wounding + methyl jasmonate (MeJA), compared to their respective controls of silent sham or wounding + MeJA. We showed that feeding vibrations alone caused a decrease in the concentrations of most phytohormones, compared to those found in control plants receiving no vibrations. When feeding vibrations were combined with wounding and application of MeJA, the results were more complex. For hormones whose levels were induced by wounding and MeJA (jasmonic acid, indole-3-butyric acid), the addition of feeding vibrations caused an even larger response. If the level of hormone was unchanged by wounding and MeJA compared with controls, then the addition of feeding vibrations had little effect. The levels of some VOCs were influenced by the treatments. Feeding vibrations alone caused an increase in β-ionone and decrease in methyl salicylate, and wounding + MeJA alone caused a decrease in benzaldehyde and methyl salicylate. When feeding vibrations were combined with wounding + MeJA, the effects on β-ionone and methyl salicylate were similar to those seen with feeding vibrations alone, and levels of benzaldehyde remained low as seen with wounding + MeJA alone. The widespread downregulation of plant hormones observed in this study is also seen in plant responses to cold, suggesting that membrane fluidity changes and/or downstream signaling may be common to both phenomena.
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Affiliation(s)
- Mélanie J. A. Body
- Division of Plant Sciences, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
- Department of Environmental Sciences, The University of Toledo, Toledo, OH, United States
| | - William C. Neer
- Division of Plant Sciences, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
| | - Caitlin Vore
- Division of Plant Sciences, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
- Cornell Cooperative Extension Erie County, East Aurora, NY, United States
| | - Chung-Ho Lin
- School of Natural Resources, University of Missouri, Columbia, MO, United States
| | - Danh C. Vu
- School of Natural Resources, University of Missouri, Columbia, MO, United States
| | - Jack C. Schultz
- Division of Plant Sciences, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
- Department of Environmental Sciences, The University of Toledo, Toledo, OH, United States
| | - Reginald B. Cocroft
- Division of Biological Sciences, University of Missouri, Columbia, MO, United States
| | - Heidi M. Appel
- Division of Plant Sciences, Christopher S. Bond Life Sciences Center, University of Missouri, Columbia, MO, United States
- Department of Environmental Sciences, The University of Toledo, Toledo, OH, United States
- *Correspondence: Heidi M. Appel,
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Casal JJ, Qüesta JI. Light and temperature cues: multitasking receptors and transcriptional integrators. THE NEW PHYTOLOGIST 2018; 217:1029-1034. [PMID: 29139132 DOI: 10.1111/nph.14890] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 10/05/2017] [Indexed: 05/21/2023]
Abstract
Contents Summary 1029 I. Introduction 1029 II. Convergence at the receptor 1030 III. Convergence at transcriptional hubs 1031 IV. Convergence involving clock components 1033 V. Conclusions 1033 Acknowledgements 1033 References 1033 SUMMARY: The combined information provided by light and temperature cues helps to optimise plant body architecture and physiology. Plants possess elaborate systems to sense and respond to these stimuli. Simultaneous perception of light and temperature by dual receptors such as phytochrome B and phototropin leads to immediate signalling convergence. Conversely, cue asynchronies initiate separate pathways and the information of the earliest cue is stored, awaiting the arrival of the later cue to control transcription. Storage mechanisms can involve changes in the activity of selected clock components or epigenetic modifications, depending on the time delay between cues (hours, days or several months). We propose a conceptual framework in which the mechanisms of integration relate to the timing of cue sensing.
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Affiliation(s)
- Jorge J Casal
- IFEVA, Facultad de Agronomía, Universidad de Buenos Aires and CONICET, Av. San Martín 4453, Buenos Aires, 1417, Argentina
- Fundación Instituto Leloir, Instituto de Investigaciones Bioquímicas de Buenos Aires-CONICET, Buenos Aires, 1405, Argentina
| | - Julia I Qüesta
- Department of Cell and Developmental Biology, John Innes Centre, Norwich Research Park, Norwich, NR4 7UH, UK
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