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Feng L, Wei L, Liu Y, Ren J, Liao W. Carbon monoxide/heme oxygenase system in plant: Roles in abiotic stress response and crosstalk with other signals molecules. Nitric Oxide 2023; 138-139:51-63. [PMID: 37364740 DOI: 10.1016/j.niox.2023.06.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/15/2023] [Accepted: 06/23/2023] [Indexed: 06/28/2023]
Abstract
Carbon monoxide (CO) has been recognized as a crucial gasotransmitter mainly produced by heme oxygenase (HO)-catalyzed heme degradation in plant. Recent studies have shown that CO plays an important role in regulating growth and development of plant, as well as and responding to a variety of abiotic stresses. Meanwhile, many studies have reported on CO working in combination with other signal molecules to mitigate abiotic stress. Here, we presented a comprehensive overview of recent developments in which CO reduces plant damage caused by abiotic stresses. The regulation of antioxidant system, photosynthetic system, ion balance and transport are the main mechanisms of CO-alleviated abiotic stress. We also proposed and discussed the relationship between CO and other signal molecules, including nitric oxide (NO), hydrogen sulfide (H2S), hydrogen gas (H2), abscisic acid (ABA), indole 3-acetic acid (IAA), gibberellin (GA), cytokine (CTK), salicylic acid (SA), jasmonic acid (JA), hydrogen peroxide (H2O2) and calcium ion (Ca2+). Furthermore, the important role of HO genes in alleviating abiotic stress was also discussed. We proposed promising and new research directions for the study of plant CO, which can provide further insights on the role of CO in plant growth and development under abiotic stress.
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Affiliation(s)
- Li Feng
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China
| | - Lijuan Wei
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China
| | - Yayu Liu
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China
| | - Jiaxuan Ren
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China
| | - Weibiao Liao
- College of Horticulture, Gansu Agricultural University, 1 Yinmen Village, Anning District, Lanzhou, 730070, China.
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Weng X, Zhu L, Yu S, Liu Y, Ru Y, Zhang Z, He Z, Zhou L, Chen X. Carbon monoxide promotes stomatal initiation by regulating the expression of two EPF genes in Arabidopsis cotyledons. FRONTIERS IN PLANT SCIENCE 2022; 13:1029703. [PMID: 36438138 PMCID: PMC9691970 DOI: 10.3389/fpls.2022.1029703] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
The gaseous molecule carbon monoxide (CO) can freely pass through the cell membrane and participate in signal transduction in the cell to regulate physiological activities in plants. Here, we report that CO has a positive regulatory role in stomatal development. Exogenous CO donor CORM-2 [Tricarbonyldichlororuthenium (II) dimer] treatment resulted in an increase of stomatal index (SI) on the abaxial epidermis of cotyledons in wild-type, which can be reversed by the addition of the CO biosynthesis inhibitor ZnPPIX [Protoporphyrin IX zinc (II)]. Consistent with this result, mutation of the CO biosynthesis gene HY1 resulted in a decrease of SI in hy1-100 plants, while overexpression of HY1 led to an increase of SI. Further investigation revealed that CO acts upstream of SPCH and YDA in the stomatal development pathway, since the loss of function mutants spch-1 and yda-2 were insensitive to CORM-2. The expression of EPF2 was inhibited by CORM-2 treatment in wild type and is lower in hy1 than in wild-type plants. In contrast, the expression of STOMAGEN was promoted by CORM-2 treatment and is higher in HY1-overexpression lines. Loss of function mutants of both epf2 and stomagen are insensitive to CORM-2 treatment. These results indicated that CO positively regulates stomatal initiation and distribution by modulating the expression of EPF2 and STOMAGEN.
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Affiliation(s)
- Xianjie Weng
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
| | - Lingyan Zhu
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
| | - Shuangshuang Yu
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
| | - Yue Liu
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
| | - Yanyu Ru
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
| | - Zijing Zhang
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
| | - Zhaorong He
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
| | - Lijuan Zhou
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
- School of Agriculture and Life Sciences, Kunming University, Yunnan, China
| | - Xiaolan Chen
- School of Life Sciences, Yunnan University, Kunming, Yunnan, China
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Liu H, Xue S. Interplay between hydrogen sulfide and other signaling molecules in the regulation of guard cell signaling and abiotic/biotic stress response. PLANT COMMUNICATIONS 2021; 2:100179. [PMID: 34027393 PMCID: PMC8132131 DOI: 10.1016/j.xplc.2021.100179] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 02/24/2021] [Accepted: 03/10/2021] [Indexed: 05/05/2023]
Abstract
Stomatal aperture controls the balance between transpirational water loss and photosynthetic carbon dioxide (CO2) uptake. Stomata are surrounded by pairs of guard cells that sense and transduce environmental or stress signals to induce diverse endogenous responses for adaptation to environmental changes. In a recent decade, hydrogen sulfide (H2S) has been recognized as a signaling molecule that regulates stomatal movement. In this review, we summarize recent progress in research on the regulatory role of H2S in stomatal movement, including the dynamic regulation of phytohormones, ion homeostasis, and cell structural components. We focus especially on the cross talk among H2S, nitric oxide (NO), and hydrogen peroxide (H2O2) in guard cells, as well as on H2S-mediated post-translational protein modification (cysteine thiol persulfidation). Finally, we summarize the mechanisms by which H2S interacts with other signaling molecules in plants under abiotic or biotic stress. Based on evidence and clues from existing research, we propose some issues that need to be addressed in the future.
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Affiliation(s)
- Hai Liu
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Shaowu Xue
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
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Kokorev AI, Kolupaev YE, Yastreb TO, Horielova EI, Dmitriev AP. Realization of Polyamines’ Effect on the State of Pea Stomata with the Involvement of Calcium and Components of Lipid Signaling. CYTOL GENET+ 2021. [DOI: 10.3103/s0095452721020079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Su N, Niu M, Liu Z, Wang L, Zhu Z, Zou J, Chen Y, Cui J. Hemin-decreased cadmium uptake in pak choi (Brassica chinensis L.) seedlings is heme oxygenase-1 dependent and relies on its by-products ferrous iron and carbon monoxide. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 274:115882. [PMID: 33234366 DOI: 10.1016/j.envpol.2020.115882] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 10/14/2020] [Accepted: 10/14/2020] [Indexed: 06/11/2023]
Abstract
Cadmium (Cd) is a major pollutant in farmland, which not only greatly restricts crop production, but also brings a serious threat to human health through entering the food chain. Our previous study showed that hemin treatment could reduce the accumulation of Cd in pak choi seedlings. However, the underlying mechanism remains unclear. In this study, we used non-invasive micro-test technology (NMT) to detect the real-time Cd2+ flux from pak choi roots and demonstrated that hemin treatment decreased Cd uptake rather than its translocation within plants. Moreover, through comparing the responses of different chemical treatments in pak choi seedlings and Arabidopsis wild-type and heme oxygenase-1 (HO-1) mutant, we provided evidence that hemin-decreased Cd uptake was HO-1 dependent. Furthermore, analyses of hemin degradation products suggested that the hemin-derived suppression of Cd uptake suppression was probably relying on its degradation by-products, ferrous iron (Fe2+) and carbon monoxide (CO), via repressing the expression of a Fe2+/Cd2+ transporter BcIRT1 in pak choi roots.
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Affiliation(s)
- Nana Su
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Mengyang Niu
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Ze Liu
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Lu Wang
- School of Environmental and Life Sciences, The University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Zhengbo Zhu
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jianwen Zou
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yahua Chen
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jin Cui
- College of Life Sciences, Nanjing Agricultural University, Nanjing, 210095, China.
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Shkliarevskyi MA, Karpets YV, Kolupaev YE, Lugovaya AA, Dmitriev AP. Calcium-Dependent Changes in Cellular Redox Homeostasis and Heat Resistance of Wheat Plantlets under Influence of Hemin (Carbon Monoxide Donor). CYTOL GENET+ 2021. [DOI: 10.3103/s0095452720060109] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kolupaev YE, Karpets YV, Beschasniy SP, Dmitriev AP. Gasotransmitters and Their Role in Adaptive Reactions of Plant Cells. CYTOL GENET+ 2019. [DOI: 10.3103/s0095452719050098] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Agurla S, Gahir S, Munemasa S, Murata Y, Raghavendra AS. Mechanism of Stomatal Closure in Plants Exposed to Drought and Cold Stress. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1081:215-232. [PMID: 30288712 DOI: 10.1007/978-981-13-1244-1_12] [Citation(s) in RCA: 109] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Drought is one of the abiotic stresses which impairs the plant growth/development and restricts the yield of many crops throughout the world. Stomatal closure is a common adaptation response of plants to the onset of drought condition. Stomata are microscopic pores on the leaf epidermis, which regulate the transpiration/CO2 uptake by leaves. Stomatal guard cells can sense various abiotic and biotic stress stimuli from the internal and external environment and respond quickly to initiate closure under unfavorable conditions. Stomata also limit the entry of pathogens into leaves, restricting their invasion. Drought is accompanied by the production and/or mobilization of the phytohormone, abscisic acid (ABA), which is well-known for its ability to induce stomatal closure. Apart from the ABA, various other factors that accumulate during drought and affect the stomatal function are plant hormones (auxins, MJ, ethylene, brassinosteroids, and cytokinins), microbial elicitors (salicylic acid, harpin, Flg 22, and chitosan), and polyamines . The role of various signaling components/secondary messengers during stomatal opening or closure has been a matter of intense investigation. Reactive oxygen species (ROS) , nitric oxide (NO) , cytosolic pH, and calcium are some of the well-documented signaling components during stomatal closure. The interrelationship and interactions of these signaling components such as ROS, NO, cytosolic pH, and free Ca2+ are quite complex and need further detailed examination.Low temperatures can have deleterious effects on plants. However, plants evolved protection mechanisms to overcome the impact of this stress. Cold temperature inhibits stomatal opening and causes stomatal closure. Cold-acclimated plants often exhibit marked changes in their lipid composition, particularly of the membranes. Cold stress often leads to the accumulation of ABA, besides osmolytes such as glycine betaine and proline. The role of signaling components such as ROS, NO, and Ca2+ during cold acclimation is yet to be established, though the effects of cold stress on plant growth and development are studied extensively. The information on the mitigation processes is quite limited. We have attempted to describe consequences of drought and cold stress in plants, emphasizing stomatal closure. Several of these factors trigger signaling components in roots, shoots, and atmosphere, all leading to stomatal closure. A scheme is presented to show the possible signaling events and their convergence and divergence of action during stomatal closure. The possible directions for future research are discussed.
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Affiliation(s)
- Srinivas Agurla
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Shashibhushan Gahir
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, India
| | - Shintaro Munemasa
- Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan
| | - Yoshiyuki Murata
- Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan.
| | - Agepati S Raghavendra
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, India.
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Ma Y, Niu J, Zhang W, Wu X. Hydrogen sulfide may function downstream of hydrogen peroxide in mediating darkness-induced stomatal closure in Vicia faba. FUNCTIONAL PLANT BIOLOGY : FPB 2018; 45:553-560. [PMID: 32290994 DOI: 10.1071/fp17274] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 11/21/2017] [Indexed: 06/11/2023]
Abstract
The relationship between hydrogen sulfide (H2S) and hydrogen peroxide (H2O2) during darkness-induced stomatal closure in Vicia faba L. was investigated by using pharmacological, spectrophotographic and lasers canning confocal microscopic approaches. Darkness-induced stomatal closure was inhibited by H2S scavenger hypotaurine (HT), H2S synthesis inhibitors aminooxy acetic acid (AOA) and hydroxylamine (NH2OH) and potassium pyruvate (N3H3KO3) and ammonia (NH3), which are the products of L-/D-cysteine desulfhydrase (L-/D-CDes). Moreover, darkness induced H2S generation and increased L-/D-CDes activity in leaves of V. faba. H2O2 scavenger and synthesis inhibitors suppressed darkness-induced increase of H2S levels and L-/D-CDes activity as well as stomatal closure in leaves of V. faba. However, H2S scavenger and synthesis inhibitors had no effect on darkness-induced H2O2 accumulation in guard cells of V. faba. From these data it can be deduced that H2S is involved in darkness-induced stomatal closure and acts downstream of H2O2 in V. faba.
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Affiliation(s)
- Yinli Ma
- School of Life Sciences, Shanxi Normal University, Gongyuan Street No. 1, Linfen 041004, China
| | - Jiao Niu
- School of Life Sciences, Shanxi Normal University, Gongyuan Street No. 1, Linfen 041004, China
| | - Wei Zhang
- School of Life Sciences, Shanxi Normal University, Gongyuan Street No. 1, Linfen 041004, China
| | - Xiang Wu
- Hanzhong Forestry Science Research Institute, Zhengjiaba, Hanzhong 723000, China
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Chen Y, Wang M, Hu L, Liao W, Dawuda MM, Li C. Carbon Monoxide Is Involved in Hydrogen Gas-Induced Adventitious Root Development in Cucumber under Simulated Drought Stress. FRONTIERS IN PLANT SCIENCE 2017; 8:128. [PMID: 28223992 PMCID: PMC5293791 DOI: 10.3389/fpls.2017.00128] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 01/20/2017] [Indexed: 05/08/2023]
Abstract
Hydrogen gas (H2) and carbon monoxide (CO) are involved in plant growth and developmental processes and may induce plant tolerance to several stresses. However, the independent roles and interaction effect of H2 and CO in adventitious root development under drought conditions have still not received the needed research attention. We hypothesize that there exists crosstalk between H2 and CO during adventitious root development under drought stress. The results of our current study revealed that 50% (v/v) hydrogen-rich water (HRW), 500 μM Hemin (the CO donor) and 30% (w/v) CO aqueous solution apparently promoted the development of adventitious roots in cucumber explants (Cucumis Sativus L.) under drought stress. H2 and CO increased relative water content (RWC), leaf chlorophyll content (chlorophyll a, b, and a+b), and chlorophyll fluorescence parameters [photochemical efficiency of photosystem II (PSII), PSII actual photochemical efficiency and photochemical quench coefficient] under drought condition. When the CO scavenger hemoglobin (Hb) or zinc protoporphyrin IX (ZnPPIX) was added to HRW/CO aqueous solution, the positive effect of HRW/CO aqueous solution on RWC, leaf chlorophyll content, and chlorophyll fluorescence parameters were reversed. Additionally, superoxide dismutases, peroxidase, catalase, and ascorbate peroxidase was significantly increased in the explants treated with HRW and CO aqueous solution under drought stress, thus alleviating oxidative damage, as indicated by decreases in thiobarbituric acid reactive substances (TBARS), hydrogen peroxide (H2O2), and superoxide radical (O2-) levels. H2 and CO also improved the levels of water soluble carbohydrate, total soluble protein, and proline content. However, the above CO/H2-mediated effects were reversed by CO scavenger Hb or CO specific synthetic inhibitor ZnPPIX. Therefore, CO may be involved in H2-induced adventitious rooting under drought stress and alleviate oxidative damage by enhancing RWC, leaf chlorophyll content, chlorophyll fluorescence parameters, metabolic constituent content, activating anti-oxidant enzymes and reducing TBARS, O2-, and H2O2 levels.
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Affiliation(s)
| | | | | | - Weibiao Liao
- College of Horticulture, Gansu Agricultural UniversityLanzhou, China
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Scuffi D, Lamattina L, García-Mata C. Gasotransmitters and Stomatal Closure: Is There Redundancy, Concerted Action, or Both? FRONTIERS IN PLANT SCIENCE 2016; 7:277. [PMID: 27014301 PMCID: PMC4791407 DOI: 10.3389/fpls.2016.00277] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Accepted: 02/21/2016] [Indexed: 05/07/2023]
Affiliation(s)
| | | | - Carlos García-Mata
- Laboratorio de Fisiologia Molecular e Integrativa, Instituto de Investigaciones Biologicas-CONICET, Universidad Nacional de Mar del PlataMar del Plata, Argentina
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12
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Wang M, Liao W. Carbon Monoxide as a Signaling Molecule in Plants. FRONTIERS IN PLANT SCIENCE 2016; 7:572. [PMID: 27200045 PMCID: PMC4850744 DOI: 10.3389/fpls.2016.00572] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 04/13/2016] [Indexed: 05/20/2023]
Abstract
Carbon monoxide (CO), a gaseous molecule, has emerged as a signaling molecule in plants, due to its ability to trigger a series of physiological reactions. This article provides a brief update on the synthesis of CO, its physiological functions in plant growth and development, as well as its roles in abiotic stress tolerance such as drought, salt, ultraviolet radiation, and heavy metal stress. CO has positive effects on seed germination, root development, and stomatal closure. Also, CO can enhance plant abiotic stress resistance commonly through the enhancement of antioxidant defense system. Moreover, CO shows cross talk with other signaling molecules including NO, phytohormones (IAA, ABA, and GA) and other gas signaling molecules (H2S, H2, CH4).
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13
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The role of carbon monoxide signaling in the responses of plants to abiotic stresses. Nitric Oxide 2014; 42:40-3. [DOI: 10.1016/j.niox.2014.08.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 08/26/2014] [Accepted: 08/28/2014] [Indexed: 12/30/2022]
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García-Mata C, Lamattina L. Gasotransmitters are emerging as new guard cell signaling molecules and regulators of leaf gas exchange. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2013; 201-202:66-73. [PMID: 23352403 DOI: 10.1016/j.plantsci.2012.11.007] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Revised: 11/23/2012] [Accepted: 11/24/2012] [Indexed: 05/18/2023]
Abstract
Specialized guard cells modulate plant gas exchange through the regulation of stomatal aperture. The size of the stomatal pore is a direct function of the volume of the guard cells. The transport of solutes across channels in plasma membrane is a crucial process in the maintenance of guard cell water status. The fine tuned regulation of that transport requires an integrated convergence of multiple endogenous and exogenous signals perceived at both the cellular and the whole plant level. Gasotransmitters are novel signaling molecules with key functions in guard cell physiology. Three gasotransmitters, nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H(2)S) are involved in guard cell regulatory processes. These molecules are endogenously produced by plant cells and are part of the guard cells responses to drought stress conditions through ABA-dependent pathways. In this review, we summarize the current knowledge of gasotransmitters as versatile molecules interacting with different components of guard cell signaling network and propose them as players in new paradigms to study ABA-independent guard cell responses to water deficit.
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Affiliation(s)
- Carlos García-Mata
- Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, UNMdP-CONICET, CC 1245, (7600) Mar del Plata, Argentina
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Hou Z, Wang L, Liu J, Hou L, Liu X. Hydrogen sulfide regulates ethylene-induced stomatal closure in Arabidopsis thaliana. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2013; 55:277-89. [PMID: 23134300 DOI: 10.1111/jipb.12004] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Hydrogen sulfide (H2 S) is a newly-discovered signaling molecule in plants and has caused increasing attention in recent years, but its function in stomatal movement is unclear. In plants, H2 S is synthesized via cysteine degradation catalyzed by D-/L-cysteine desulfhydrase (D-/L-CDes). AtD-/L-CDes::GUS transgenic Arabidopsis thaliana (L.) Heynh. plants were generated and used to investigate gene expression patterns, and results showed that AtD-/L-CDes can be expressed in guard cells. We also determined the subcellular localization of AtD-/L-CDes using transgenic plants of AtD-/L-CDes::GFP, and the results showed that AtD-CDes and AtL-CDes are located in the chloroplast and in the cytoplasm, respectively. The transcript levels of AtD-CDes and AtL-CDes were affected by the chemicals that cause stomatal closure. Among these factors, ACC, a precursor of ethylene, has the most significant effect, which indicates that the H2 S generated from D-/L-CDes may play an important role in ethylene-induced stomatal closure. Meanwhile, H2 S synthetic inhibitors significantly inhibited ethylene-induced stomatal closure in Arabidopsis. Ethylene treatment caused an increase of H2 S production and of AtD-/L-CDes activity in Arabidopsis leaves. AtD-/L-CDes over-expressing plants exhibited enhanced induction of stomatal closure compared to the wild-type after ethylene treatment; however, the effect was not observed in the Atd-cdes and Atl-cdes mutants. In conclusion, our results suggest that the D-/L-CDes-generated H2 S is involved in the regulation of ethylene-induced stomatal closure in Arabidopsis thaliana.
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Affiliation(s)
- Zhihui Hou
- College of Life Sciences, Qingdao Agricultural University, University Key Laboratory of Plant Biotechnology in Shandong Province, Qingdao 266109, China
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Ma Y, She X, Yang S. Sphingosine-1-phosphate (S1P) mediates darkness-induced stomatal closure through raising cytosol pH and hydrogen peroxide (H₂O₂) levels in guard cells in Vicia faba. SCIENCE CHINA-LIFE SCIENCES 2012; 55:974-83. [PMID: 23090064 DOI: 10.1007/s11427-012-4386-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Accepted: 09/12/2012] [Indexed: 10/27/2022]
Abstract
The role and signaling of sphingosine-1-phosphate (S1P) during darkness-induced stomatal closure were examined in Vicia faba. Darkness substantially raised S1P and hydrogen peroxide (H(2)O(2)) levels and closed stomata. These darkness effects were significantly suppressed by DL-threo-dihydrosphingosine (DL-threo-DHS) and N,N-dimethylsphingosine (DMS), two inhibitors of long-chain base kinases. Exogenous S1P led to stomatal closure and H(2)O(2) production, and the effects of S1P were largely prevented by the H(2)O(2) modulators ascorbic acid, catalase, and diphenyleneiodonium. These results indicated that S1P mediated darkness-induced stomatal closure by triggering H(2)O(2) production. In addition, DL-threo-DHS and DMS significantly suppressed both darkness-induced cytosolic alkalization in guard cells and stomatal closure. Exogenous S1P caused cytosolic alkalization and stomatal closure, which could be largely abolished by butyric acid. These results demonstrated that S1P synthesis was necessary for cytosolic alkalization during stomatal closure caused by darkness. Furthermore, together with the data described above, inhibition of darkness-induced H(2)O(2) production by butyric acid revealed that S1P synthesis-induced cytosolic alkalization was a prerequisite for H(2)O(2) production during stomatal closure caused by darkness, a conclusion supported by the facts that the pH increase caused by exogenous S1P had a shorter lag and peaked faster than H(2)O(2) levels and that butyric acid prevented exogenous S1P-induced H(2)O(2) production. Altogether, our data suggested that darkness induced S1P synthesis, causing cytosolic alkalization and subsequent H(2)O(2) production, finally leading to stomatal closure.
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Affiliation(s)
- Yinli Ma
- School of Life Sciences, Shaanxi Normal University, Xi'an 710062, China
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Zhihui H, Jing L, Lixia H, Xidong L, Xin L. H 2S May Function Downstream of H 2O 2 in Jasmonic Acid-induced Stomatal Closure in Vicia faba. ACTA ACUST UNITED AC 2011. [DOI: 10.3724/sp.j.1259.2011.00396] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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18
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García-Mata C, Lamattina L. Hydrogen sulphide, a novel gasotransmitter involved in guard cell signalling. THE NEW PHYTOLOGIST 2010; 188:977-84. [PMID: 20831717 DOI: 10.1111/j.1469-8137.2010.03465.x] [Citation(s) in RCA: 190] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Hydrogen sulphide (H(2) S) has been proposed as the third gasotransmitter. In animal cells, H(2) S has been implicated in several physiological processes. H(2) S is endogenously synthesized in both animals and plants by enzymes with l-Cys desulphydrase activity in the conversion of l-Cys to H(2) S, pyruvate and ammonia. The participation of H(2) S in both stomatal movement regulation and abscisic acid (ABA)-dependent induction of stomatal closure was studied in epidermal strips of three plant species (Vicia faba, Arabidopsis thaliana and Impatiens walleriana). The effect of H(2) S on stomatal movement was contrasted with leaf relative water content (RWC) measurements of whole plants subjected to water stress. In this work we report that exogenous H(2) S induces stomatal closure and this effect is impaired by the ATP-binding cassette (ABC) transporter inhibitor glibenclamide; scavenging H(2) S or inhibition of the enzyme responsible for endogenous H(2) S synthesis partially blocks ABA-dependent stomatal closure; and H(2) S treatment increases RWC and protects plants against drought stress. Our results indicate that H(2) S induces stomatal closure and participates in ABA-dependent signalling, possibly through the regulation of ABC transporters in guard cells.
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Affiliation(s)
- Carlos García-Mata
- Instituto de Investigaciones Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata - CONICET, CC1245 (7600) Mar del Plata, Argentina
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Affiliation(s)
- Radhika Desikan
- Division of Biology, Imperial College London, South Kensington, London SW7 2AZ, UK.
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