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Bontpart T, Weiss A, Vile D, Gérard F, Lacombe B, Reichheld JP, Mari S. Growing on calcareous soils and facing climate change. TRENDS IN PLANT SCIENCE 2024:S1360-1385(24)00069-4. [PMID: 38570279 DOI: 10.1016/j.tplants.2024.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 03/12/2024] [Accepted: 03/14/2024] [Indexed: 04/05/2024]
Abstract
Soil calcium carbonate (CaCO3) impacts plant mineral nutrition far beyond Fe metabolism, imposing constraints for crop growth and quality in calcareous agrosystems. Our knowledge on plant strategies to tolerate CaCO3 effects mainly refers to Fe acquisition. This review provides an update on plant cellular and molecular mechanisms recently described to counteract the negative effects of CaCO3 in soils, as well as recent efforts to identify genetic bases involved in CaCO3 tolerance from natural populations, that could be exploited to breed CaCO3-tolerant crops. Finally, we review the impact of environmental factors (soil water content, air CO2, and temperature) affecting soil CaCO3 equilibrium and plant tolerance to calcareous soils, and we propose strategies for improvement in the context of climate change.
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Affiliation(s)
- Thibaut Bontpart
- IPSiM, Univ Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France
| | - Alizée Weiss
- Laboratoire Génome et Développement des Plantes (LGDP), UMR 5096, CNRS, 66860 Perpignan, France
| | - Denis Vile
- LEPSE, INRAE, Institut Agro, Université de Montpellier, 2 Place P. Viala, F-34060, Montpellier cédex 2, France
| | - Frédéric Gérard
- UMR Eco&Sols, INRAE, IRD, CIRAD, Institut Agro, Université de Montpellier, Montpellier, France
| | - Benoît Lacombe
- IPSiM, Univ Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France
| | | | - Stéphane Mari
- IPSiM, Univ Montpellier, CNRS, INRAE, Institut Agro, Montpellier, France.
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Yang M, Umer MJ, Wang H, Han J, Han J, Liu Q, Zheng J, Cai X, Hou Y, Xu Y, Wang Y, Khan MKR, Ditta A, Liu F, Zhou Z. Decoding the guardians of cotton resilience: A comprehensive exploration of the βCA genes and its role in Verticillium dahliae resistance. PHYSIOLOGIA PLANTARUM 2023; 175:e14113. [PMID: 38148227 DOI: 10.1111/ppl.14113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/26/2023] [Accepted: 11/13/2023] [Indexed: 12/28/2023]
Abstract
Plant Carbonic anhydrases (Cas) have been shown to be stress-responsive enzymes that may play a role in adapting to adverse conditions. Cotton is a significant economic crop in China, with upland cotton (Gossypium hirsutum) being the most widely cultivated species. We conducted genome-wide identification of the βCA gene in six cotton species and preliminary analysis of the βCA gene in upland cotton. In total, 73 βCA genes from six cotton species were identified, with phylogenetic analysis dividing them into five subgroups. GHβCA proteins were predominantly localized in the chloroplast and cytoplasm. The genes exhibited conserved motifs, with motifs 1, 2, and 3 being prominent. GHβCA genes were unevenly distributed across chromosomes and were associated with stress-responsive cis-regulatory elements, including those responding to light, MeJA, salicylic acid, abscisic acid, cell cycle regulation, and defence/stress. Expression analysis indicated that GHβCA6, GHβCA7, GHβCA10, GHβCA15, and GHβCA16 were highly expressed under various abiotic stress conditions, whereas GHβCA3, GHβCA9, GHβCA10, and GHβCA18 had higher expression patterns under Verticillium dahliae infection at different time intervals. In Gossypium thurberi, GthβCA1, GthβCA2, and GthβCA4 showed elevated expression across stress conditions and tissues. Silencing GHβCA10 through VIGS increased Verticillium wilt severity and reduced lignin deposition compared to non-silenced plants. GHβCA10 is crucial for cotton's defense against Verticillium dahliae. Further research is needed to understand the underlying mechanisms and develop strategies to enhance resistance against Verticillium wilt.
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Affiliation(s)
- Mengying Yang
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University/Institute of Cotton Research, Chinese Academy of Agricultural Science, China
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Muhammad Jawad Umer
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
| | - Heng Wang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
| | - Jiale Han
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University/Institute of Cotton Research, Chinese Academy of Agricultural Science, China
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Jiangping Han
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University/Institute of Cotton Research, Chinese Academy of Agricultural Science, China
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, Henan, China
| | - Qiankun Liu
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
| | - Jie Zheng
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
- National Nanfan Research Institute of Chinese Academy of Agriculture Sciences, Sanya, China
| | - Xiaoyan Cai
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University/Institute of Cotton Research, Chinese Academy of Agricultural Science, China
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
- National Nanfan Research Institute of Chinese Academy of Agriculture Sciences, Sanya, China
- Henan International Joint Laboratory of Cotton Biology, Henan, China
| | - Yuqing Hou
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
| | - Yanchao Xu
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
- National Nanfan Research Institute of Chinese Academy of Agriculture Sciences, Sanya, China
| | - Yuhong Wang
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
| | | | - Allah Ditta
- Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad, Pakistan
| | - Fang Liu
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University/Institute of Cotton Research, Chinese Academy of Agricultural Science, China
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, Henan, China
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
- National Nanfan Research Institute of Chinese Academy of Agriculture Sciences, Sanya, China
- Henan International Joint Laboratory of Cotton Biology, Henan, China
| | - Zhongli Zhou
- National Key Laboratory of Cotton Bio-breeding and Integrated Utilization/Institute of Cotton Research, Chinese Academy of Agricultural Sciences (ICR, CAAS), Henan, China
- Henan International Joint Laboratory of Cotton Biology, Henan, China
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Xu D, Tang Q, Xu P, Schäffner AR, Leister D, Kleine T. Response of the organellar and nuclear (post)transcriptomes of Arabidopsis to drought. FRONTIERS IN PLANT SCIENCE 2023; 14:1220928. [PMID: 37528975 PMCID: PMC10387551 DOI: 10.3389/fpls.2023.1220928] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 06/28/2023] [Indexed: 08/03/2023]
Abstract
Plants have evolved sophisticated mechanisms to cope with drought, which involve massive changes in nuclear gene expression. However, little is known about the roles of post-transcriptional processing of nuclear or organellar transcripts and how meaningful these changes are. To address these issues, we used RNA-sequencing after ribosomal RNA depletion to monitor (post)transcriptional changes during different times of drought exposure in Arabidopsis Col-0. Concerning the changes detected in the organellar transcriptomes, chloroplast transcript levels were globally reduced, editing efficiency dropped, but splicing was not affected. Mitochondrial transcripts were slightly elevated, while editing and splicing were unchanged. Conversely, alternative splicing (AS) affected nearly 1,500 genes (9% of expressed nuclear genes). Of these, 42% were regulated solely at the level of AS, representing transcripts that would have gone unnoticed in a microarray-based approach. Moreover, we identified 927 isoform switching events. We provide a table of the most interesting candidates, and as proof of principle, increased drought tolerance of the carbonic anhydrase ca1 and ca2 mutants is shown. In addition, altering the relative contributions of the spliced isoforms could increase drought resistance. For example, our data suggest that the accumulation of a nonfunctional FLM (FLOWERING LOCUS M) isoform and not the ratio of FLM-ß and -δ isoforms may be responsible for the phenotype of early flowering under long-day drought conditions. In sum, our data show that AS enhances proteome diversity to counteract drought stress and represent a valuable resource that will facilitate the development of new strategies to improve plant performance under drought.
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Affiliation(s)
- Duorong Xu
- Plant Molecular Biology, Faculty of Biology, Ludwig-Maximilians-University Munich, Planegg-Martinsried, Germany
| | - Qian Tang
- Plant Molecular Biology, Faculty of Biology, Ludwig-Maximilians-University Munich, Planegg-Martinsried, Germany
| | - Ping Xu
- Department of Environmental Sciences, Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, München, Germany
| | - Anton R. Schäffner
- Department of Environmental Sciences, Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, München, Germany
| | - Dario Leister
- Plant Molecular Biology, Faculty of Biology, Ludwig-Maximilians-University Munich, Planegg-Martinsried, Germany
| | - Tatjana Kleine
- Plant Molecular Biology, Faculty of Biology, Ludwig-Maximilians-University Munich, Planegg-Martinsried, Germany
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Wang L, Zhang J, Wang R, Huang Z, Cui R, Zhu H, Yang Y, Zhang D. Genome-wide identification, evolution, and expression analysis of carbonic anhydrases genes in soybean (Glycine max). Funct Integr Genomics 2023; 23:37. [PMID: 36639600 DOI: 10.1007/s10142-023-00966-9] [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: 11/23/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 01/15/2023]
Abstract
Carbonic anhydrases (CAs), as zinc metalloenzymes, are ubiquitous in nature and play essential roles in diverse biological processes. Although CAs have been broadly explored and studied, comprehensive characteristics of CA gene family members in the soybean (Glycine max) are still lacking. A total of 35 CA genes (GmCAs) were identified; they distributed on sixteen chromosomes of the soybean genome and can be divided into three subfamilies (α-type, β-type, and γ-type). Bioinformatics analysis showed that the specific GmCA gene subfamily or clade exhibited similar characteristics and that segmental duplications took the major role in generating new GmCAs. Furthermore, the synteny and evolutionary constraints analyses of CAs among soybean and distinct species provided more detailed evidence for GmCA gene family evolution. Cis-element analysis of promoter indicated that GmCAs may be responsive to abiotic stress and regulate photosynthesis. Moreover, the expression patterns of GmCAs varied in different tissues at diverse developmental stages in soybean. Additionally, we found that eight representative GmCAs may be involved in the response of soybean to low phosphorus stress. The systematic investigation of the GmCA gene family in this study will provide a valuable basis for further functional research on soybean CA genes.
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Affiliation(s)
- Li Wang
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Jinyu Zhang
- Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Ruiyang Wang
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Zhongwen Huang
- Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Ruifan Cui
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Hongqing Zhu
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China
| | - Yuming Yang
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China.
| | - Dan Zhang
- Collaborative Innovation Center of Henan Grain Crops, College of Agronomy, Henan Agricultural University, Zhengzhou, 450046, China.
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Szechyńska-Hebda M, Ghalami RZ, Kamran M, Van Breusegem F, Karpiński S. To Be or Not to Be? Are Reactive Oxygen Species, Antioxidants, and Stress Signalling Universal Determinants of Life or Death? Cells 2022; 11:cells11244105. [PMID: 36552869 PMCID: PMC9777155 DOI: 10.3390/cells11244105] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/10/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
In the environmental and organism context, oxidative stress is complex and unavoidable. Organisms simultaneously cope with a various combination of stress factors in natural conditions. For example, excess light stress is accompanied by UV stress, heat shock stress, and/or water stress. Reactive oxygen species (ROS) and antioxidant molecules, coordinated by electrical signalling (ES), are an integral part of the stress signalling network in cells and organisms. They together regulate gene expression to redirect energy to growth, acclimation, or defence, and thereby, determine cellular stress memory and stress crosstalk. In plants, both abiotic and biotic stress increase energy quenching, photorespiration, stomatal closure, and leaf temperature, while toning down photosynthesis and transpiration. Locally applied stress induces ES, ROS, retrograde signalling, cell death, and cellular light memory, then acclimation and defence responses in the local organs, whole plant, or even plant community (systemic acquired acclimation, systemic acquired resistance, network acquired acclimation). A simplified analogy can be found in animals where diseases vs. fitness and prolonged lifespan vs. faster aging, are dependent on mitochondrial ROS production and ES, and body temperature is regulated by sweating, temperature-dependent respiration, and gene regulation. In this review, we discuss the universal features of stress factors, ES, the cellular production of ROS molecules, ROS scavengers, hormones, and other regulators that coordinate life and death.
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Affiliation(s)
- Magdalena Szechyńska-Hebda
- Department of Plant Genetics, Breeding and Biotechnology, Institute of Biology, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland
- W. Szafer Institute of Botany of the Polish Academy of Sciences, Lubicz 46, 31-512 Kraków, Poland
- Correspondence: or (M.S.-H.); (S.K.)
| | - Roshanak Zarrin Ghalami
- Department of Plant Genetics, Breeding and Biotechnology, Institute of Biology, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Muhammad Kamran
- Department of Plant Genetics, Breeding and Biotechnology, Institute of Biology, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland
| | - Frank Van Breusegem
- UGent Department of Plant Biotechnology and Bioinformatics, VIB-UGent Center for Plant Systems Biology Ghent University, Technologiepark-Zwijnaarde 71, 9052 Ghent, Belgium
| | - Stanisław Karpiński
- Department of Plant Genetics, Breeding and Biotechnology, Institute of Biology, Warsaw University of Life Sciences, Nowoursynowska 159, 02-776 Warsaw, Poland
- Correspondence: or (M.S.-H.); (S.K.)
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Singh J, Garai S, Das S, Thakur JK, Tripathy BC. Role of C4 photosynthetic enzyme isoforms in C3 plants and their potential applications in improving agronomic traits in crops. PHOTOSYNTHESIS RESEARCH 2022; 154:233-258. [PMID: 36309625 DOI: 10.1007/s11120-022-00978-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
As compared to C3, C4 plants have higher photosynthetic rates and better tolerance to high temperature and drought. These traits are highly beneficial in the current scenario of global warming. Interestingly, all the genes of the C4 photosynthetic pathway are present in C3 plants, although they are involved in diverse non-photosynthetic functions. Non-photosynthetic isoforms of carbonic anhydrase (CA), phosphoenolpyruvate carboxylase (PEPC), malate dehydrogenase (MDH), the decarboxylating enzymes NAD/NADP-malic enzyme (NAD/NADP-ME), and phosphoenolpyruvate carboxykinase (PEPCK), and finally pyruvate orthophosphate dikinase (PPDK) catalyze reactions that are essential for major plant metabolism pathways, such as the tricarboxylic acid (TCA) cycle, maintenance of cellular pH, uptake of nutrients and their assimilation. Consistent with this view differential expression pattern of these non-photosynthetic C3 isoforms has been observed in different tissues across the plant developmental stages, such as germination, grain filling, and leaf senescence. Also abundance of these C3 isoforms is increased considerably in response to environmental fluctuations particularly during abiotic stress. Here we review the vital roles played by C3 isoforms of C4 enzymes and the probable mechanisms by which they help plants in acclimation to adverse growth conditions. Further, their potential applications to increase the agronomic trait value of C3 crops is discussed.
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Affiliation(s)
- Jitender Singh
- National Institute of Plant Genome Research, New Delhi, 110067, India.
| | - Sampurna Garai
- International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India
| | - Shubhashis Das
- National Institute of Plant Genome Research, New Delhi, 110067, India
| | - Jitendra Kumar Thakur
- National Institute of Plant Genome Research, New Delhi, 110067, India.
- International Centre for Genetic Engineering and Biotechnology, New Delhi, 110067, India.
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Chen ZF, Wang TH, Feng CY, Guo HF, Guan XX, Zhang TL, Li WZ, Xing GM, Sun S, Tan GF. Multigene manipulation of photosynthetic carbon metabolism enhances the photosynthetic capacity and biomass yield of cucumber under low-CO 2 environment. FRONTIERS IN PLANT SCIENCE 2022; 13:1005261. [PMID: 36330244 PMCID: PMC9623318 DOI: 10.3389/fpls.2022.1005261] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Solar greenhouses are important in the vegetable production and widely used for the counter-season production in the world. However, the CO2 consumed by crops for photosynthesis after sunrise is not supplemented and becomes chronically deficient due to the airtight structure of solar greenhouses. Vegetable crops cannot effectively utilize light resources under low-CO2 environment, and this incapability results in reduced photosynthetic efficiency and crop yield. We used cucumber as a model plant and generated several sets of transgenic cucumber plants overexpressing individual genes, including β-carbonic anhydrase 1 (CsβCA1), β-carbonic anhydrase 4 (CsβCA4), and sedoheptulose-1,7-bisphosphatase (CsSBP); fructose-1,6-bisphosphate aldolase (CsFBA), and CsβCA1 co-expressing plants; CsβCA4, CsSBP, and CsFBA co-expressing plants (14SF). The results showed that the overexpression of CsβCA1, CsβCA4, and 14SF exhibited higher photosynthetic and biomass yield in transgenic cucumber plants under low-CO2 environment. Further enhancements in photosynthesis and biomass yield were observed in 14SF transgenic plants under low-CO2 environment. The net photosynthesis biomass yield and photosynthetic rate increased by 49% and 79% compared with those of the WT. However, the transgenic cucumbers of overexpressing CsFBA and CsSBP showed insignificant differences in photosynthesis and biomass yield compared with the WT under low-CO2.environment. Photosynthesis, fluorescence parameters, and enzymatic measurements indicated that CsβCA1, CsβCA4, CsSBP, and CsFBA had cumulative effects in photosynthetic carbon assimilation under low-CO2 environment. Co-expression of this four genes (CsβCA1, CsβCA4, CsSBP, and CsFBA) can increase the carboxylation activity of RuBisCO and promote the regeneration of RuBP. As a result, the 14SF transgenic plants showed a higher net photosynthetic rate and biomass yield even under low-CO2environment.These findings demonstrate the possibility of cultivating crops with high photosynthetic efficiency by manipulating genes involved in the photosynthetic carbon assimilation metabolic pathway.
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Affiliation(s)
- Zhi-Feng Chen
- College of Biology and Agricultural Technology, Zunyi Normal College, Zunyi, China
| | - Tian-Hong Wang
- Fruit and Vegetable Research Institute, Academy of Agricultural Sciences, Zunyi, China
| | - Chao-Yang Feng
- College of Biology and Agricultural Technology, Zunyi Normal College, Zunyi, China
| | - Hai-Feng Guo
- College of Biology and Agricultural Technology, Zunyi Normal College, Zunyi, China
| | - Xiao-Xi Guan
- College of Biology and Agricultural Technology, Zunyi Normal College, Zunyi, China
| | - Tian-Li Zhang
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
| | - Wen-Zhao Li
- College of Biology and Agricultural Technology, Zunyi Normal College, Zunyi, China
| | - Guo-Ming Xing
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
| | - Sheng Sun
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
| | - Guo-Fei Tan
- Institute of Horticulture, Guizhou Academy of Agricultural Sciences, Guiyang, China
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Rudenko NN, Ignatova LK, Naydov IA, Novichkova NS, Ivanov BN. Effect of CO2 Content in Air on the Activity of Carbonic Anhydrases in Cytoplasm, Chloroplasts, and Mitochondria and the Expression Level of Carbonic Anhydrase Genes of the α- and β-Families in Arabidopsis thaliana Leaves. PLANTS 2022; 11:plants11162113. [PMID: 36015416 PMCID: PMC9414674 DOI: 10.3390/plants11162113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 11/16/2022]
Abstract
The carbonic anhydrase (CA) activities of the preparations of cytoplasm, mitochondria, chloroplast stroma, and chloroplast thylakoids, as well as the expression levels of genes encoding αCA1, αCA2, αCA4, βCA1, βCA2, βCA3, βCA4, βCA5, and βCA6, were measured in the leaves of Arabidopsis thaliana plants, acclimated to different CO2 content in the air: low (150 ppm, lCO2), normal (450 ppm, nCO2), and high (1200 ppm, hCO2). To evaluate the photosynthetic apparatus operation, the carbon assimilation and chlorophyll a fluorescence were measured under the same conditions. It was found that the CA activities of the preparations of cytoplasm, chloroplast stroma, and chloroplast thylakoids measured after two weeks of acclimation were higher, the lower CO2 concentration in the air. That was preceded by an increase in the expression levels of genes encoding the cytoplasmic form of βCA1, and other cytoplasmic CAs, βCA2, βCA3, and βCA4, as well as of the chloroplast CAs, βCA5, and the stromal forms of βCA1 in a short-term range 1–2 days after the beginning of the acclimation. The dependence on the CO2 content in the air was most noticeable for the CA activity of the preparations of the stroma; it was two orders higher in lCO2 plants than in hCO2 plants. The CA activity of thylakoid membranes from lCO2 plants was higher than that in nCO2 and hCO2 plants; however, in these plants, a significant increase in the expression levels of the genes encoding αCA2 and αCA4 located in thylakoid membranes was not observed. The CA activity of mitochondria and the expression level of the mitochondrial βCA6 gene did not depend on the content of carbon dioxide. Taken together, the data implied that in the higher plants, the supply of inorganic carbon to carboxylation sites is carried out with the cooperative functioning of CAs located in the cytoplasm and CAs located in the chloroplasts.
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Kandoi D, Ruhil K, Govindjee G, Tripathy BC. Overexpression of cytoplasmic C 4 Flaveria bidentis carbonic anhydrase in C 3 Arabidopsis thaliana increases amino acids, photosynthetic potential, and biomass. PLANT BIOTECHNOLOGY JOURNAL 2022; 20:1518-1532. [PMID: 35467074 PMCID: PMC9342616 DOI: 10.1111/pbi.13830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/15/2022] [Accepted: 04/18/2022] [Indexed: 05/20/2023]
Abstract
An important method to improve photosynthesis in C3 crops, such as rice and wheat, is to transfer efficient C4 characters to them. Here, cytosolic carbonic anhydrase (CA: βCA3) of the C4 Flaveria bidentis (Fb) was overexpressed under the control of 35 S promoter in Arabidopsis thaliana, a C3 plant, to enhance its photosynthetic efficiency. Overexpression of CA resulted in a better supply of the substrate HCO3- for the endogenous phosphoenolpyruvate carboxylase in the cytosol of the overexpressers, and increased its activity for generating malate that feeds into the tricarboxylic acid cycle. This provided additional carbon skeleton for increased synthesis of amino acids aspartate, asparagine, glutamate, and glutamine. Increased amino acids contributed to higher protein content in the transgenics. Furthermore, expression of FbβCA3 in Arabidopsis led to a better growth due to expression of several genes leading to higher chlorophyll content, electron transport, and photosynthetic carbon assimilation in the transformants. Enhanced CO2 assimilation resulted in increased sugar and starch content, and plant dry weight. In addition, transgenic plants had lower stomatal conductance, reduced transpiration rate, and higher water-use efficiency. These results, taken together, show that expression of C4 CA in the cytosol of a C3 plant can indeed improve its photosynthetic capacity with enhanced water-use efficiency.
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Affiliation(s)
- Deepika Kandoi
- School of Life SciencesJawaharlal Nehru UniversityNew DelhiIndia
| | - Kamal Ruhil
- School of Life SciencesJawaharlal Nehru UniversityNew DelhiIndia
| | - Govindjee Govindjee
- Department of Plant BiologyDepartment of Biochemistry, and Center of Biophysics & Quantitative BiologyUniversity of Illinois at Urbana‐ChampaignUrbanaILUSA
| | - Baishnab C. Tripathy
- School of Life SciencesJawaharlal Nehru UniversityNew DelhiIndia
- Department of BiotechnologySharda UniversityGreater NoidaUPIndia
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Zeng M, He S, Hao J, Zhao Y, Zheng C. iTRAQ-based proteomic analysis of heteromorphic leaves reveals eco-adaptability of Populus euphratica Oliv. JOURNAL OF PLANT PHYSIOLOGY 2022; 271:153644. [PMID: 35219031 DOI: 10.1016/j.jplph.2022.153644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 01/28/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Heterophylly is regard as adaptation to different environments in plant, and Populus euphratica is an important heterophyllous woody plant. However, information on its molecular mechanism in eco-adaptability remains obscure. RESULTS In this research, proteins were identified by isobaric tags for relative and absolute quantitation (iTRAQ) technology in lanceolate, ovate, and dentate broad-ovate leaves from adult P. euphratica trees, respectively. Besides, chlorophyll content, net photosynthetic rate, stomatal conductance, transpiration rate and peroxidase activity in these heteromorphic leaves were investigated. A total number of 2,689 proteins were detected in the heteromorphic leaves, of which 56, 73, and 222 differential abundance proteins (DAPs) were determined in ovate/lanceolate, dentate broad-ovate/lanceolate, and dentate broad-ovate/ovate comparison groups. Bioinformatics analysis suggested these altered proteins related to photosynthesis, stress tolerance, respiration and primary metabolism accumulated in dentate broad-ovate and ovate leaves, which were consistent with the results of physiological parameters and Real-time Quantitative PCR experiments. CONCLUSION This research demonstrated the mechanism of the differential abundance proteins in providing an optimal strategy of resource utilization and survival for P. euphratica, that could offer clues for further investigations into eco-adaptability of heterophyllous woody plants.
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Affiliation(s)
- Ming Zeng
- College of Biological Sciences and Technology, Beijing Forestry University, No. 35 Qing Hua Dong Lu, Beijing, 100083, China; Guangdong Academy of Forestry, Guangzhou, 510520, China.
| | - Shuhang He
- College of Biological Sciences and Technology, Beijing Forestry University, No. 35 Qing Hua Dong Lu, Beijing, 100083, China.
| | - Jianqing Hao
- School of Basic Medical Sciences, Shanxi Medical University, No. 56 Xinjian Nan Lu, Taiyuan, 030001, China.
| | - Yuanyuan Zhao
- College of Biological Sciences and Technology, Beijing Forestry University, No. 35 Qing Hua Dong Lu, Beijing, 100083, China.
| | - Caixia Zheng
- College of Biological Sciences and Technology, Beijing Forestry University, No. 35 Qing Hua Dong Lu, Beijing, 100083, China.
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11
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Hines KM, Chaudhari V, Edgeworth KN, Owens TG, Hanson MR. Absence of carbonic anhydrase in chloroplasts affects C 3 plant development but not photosynthesis. Proc Natl Acad Sci U S A 2021; 118:e2107425118. [PMID: 34380739 PMCID: PMC8379964 DOI: 10.1073/pnas.2107425118] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The enzyme carbonic anhydrase (CA), which catalyzes the interconversion of bicarbonate with carbon dioxide (CO2) and water, has been hypothesized to play a role in C3 photosynthesis. We identified two tobacco stromal CAs, β-CA1 and β-CA5, and produced CRISPR/Cas9 mutants affecting their encoding genes. While single knockout lines Δβ-ca1 and Δβ-ca5 had no striking phenotypic differences compared to wild type (WT) plants, Δβ-ca1ca5 leaves developed abnormally and exhibited large necrotic lesions even when supplied with sucrose. Leaf development of Δβ-ca1ca5 plants normalized at 9,000 ppm CO2 Leaves of Δβ-ca1ca5 mutants and WT that had matured in high CO2 had identical CO2 fixation rates and photosystem II efficiency. Fatty acids, which are formed through reactions with bicarbonate substrates, exhibited abnormal profiles in the chloroplast CA-less mutant. Emerging Δβ-ca1ca5 leaves produce reactive oxygen species in chloroplasts, perhaps due to lower nonphotochemical quenching efficiency compared to WT. Δβ-ca1ca5 seedling germination and development is negatively affected at ambient CO2 Transgenes expressing full-length β-CA1 and β-CA5 proteins complemented the Δβ-ca1ca5 mutation but inactivated (ΔZn-βCA1) and cytoplasm-localized (Δ62-βCA1) forms of β-CA1 did not reverse the growth phenotype. Nevertheless, expression of the inactivated ΔZn-βCA1 protein was able to restore the hypersensitive response to tobacco mosaic virus, while Δβ-ca1 and Δβ-ca1ca5 plants failed to show a hypersensitive response. We conclude that stromal CA plays a role in plant development, likely through providing bicarbonate for biosynthetic reactions, but stromal CA is not needed for maximal rates of photosynthesis in the C3 plant tobacco.
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Affiliation(s)
- Kevin M Hines
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853
| | | | - Kristen N Edgeworth
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853
| | - Thomas G Owens
- Section of Plant Biology, Cornell University, Ithaca, NY 14853
| | - Maureen R Hanson
- Department of Molecular Biology and Genetics, Cornell University, Ithaca, NY 14853;
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12
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Witoń D, Sujkowska-Rybkowska M, Dąbrowska-Bronk J, Czarnocka W, Bernacki M, Szechyńska-Hebda M, Karpiński S. MITOGEN-ACTIVATED PROTEIN KINASE 4 impacts leaf development, temperature, and stomatal movement in hybrid aspen. PLANT PHYSIOLOGY 2021; 186:2190-2204. [PMID: 34010410 PMCID: PMC8331162 DOI: 10.1093/plphys/kiab186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/02/2021] [Indexed: 05/04/2023]
Abstract
Stomatal movement and density influence plant water use efficiency and thus biomass production. Studies in model plants within controlled environments suggest MITOGEN-ACTIVATED PROTEIN KINASE 4 (MPK4) may be crucial for stomatal regulation. We present functional analysis of MPK4 for hybrid aspen (Populus tremula × tremuloides) grown under natural field conditions for several seasons. We provide evidence of the role of MPK4 in the genetic and environmental regulation of stomatal formation, differentiation, signaling, and function; control of the photosynthetic and thermal status of leaves; and growth and acclimation responses. The long-term acclimation manifested as variations in stomatal density and distribution. Short-term acclimation responses were derived from changes in the stomatal aperture. MPK4 localized in the cytoplasm of guard cells (GCs) was a positive regulator of abscisic acid (ABA)-dependent stomatal closure and nitric oxide metabolism in the ABA-dependent pathways, while to a lesser extent, it was involved in ABA-induced hydrogen peroxide accumulation. MPK4 also affected the stomatal aperture through deregulation of microtubule patterns and cell wall structure and composition, including via pectin methyl-esterification, and extensin levels in the GC wall. Deregulation of leaf anatomy (cell compaction) and stomatal movement, together with increased light energy absorption, resulted in altered leaf temperature, photosynthesis, cell death, and biomass accumulation in mpk4 transgenic plants. Divergence between absorbed energy and assimilated energy is a bottleneck, and MPK4 can participate in the control of energy dissipation (thermal effects). Furthermore, MPK4 can participate in balancing the photosynthetic energy distribution via its effective use in growth or redirection to acclimation/defense responses.
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Affiliation(s)
- Damian Witoń
- Department of Plant Genetics, Breeding and Biotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw 02776, Poland
| | | | - Joanna Dąbrowska-Bronk
- Department of Plant Physiology, Institute of Biology, Warsaw University of Life Sciences, Warsaw 02776, Poland
| | - Weronika Czarnocka
- Department of Botany, Institute of Biology, Warsaw University of Life Sciences, Warsaw 02776, Poland
| | - Maciej Bernacki
- Institute of Technology and Life Sciences, Raszyn 05090, Poland
| | - Magdalena Szechyńska-Hebda
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Cracow 30239, Poland
- The Plant Breeding and Acclimatization Institute, National Research Institute, Błonie 05870, Poland
| | - Stanisław Karpiński
- Department of Plant Genetics, Breeding and Biotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw 02776, Poland
- Author for communication:
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13
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Polishchuk OV. Stress-Related Changes in the Expression and Activity of Plant Carbonic Anhydrases. PLANTA 2021; 253:58. [PMID: 33532871 DOI: 10.1007/s00425-020-03553-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 12/23/2020] [Indexed: 05/17/2023]
Abstract
The data on stress-related changes in the expression and activity of plant carbonic anhydrases (CAs) suggest that they are generally upregulated at moderate stress severity. This indicates probable involvement of CAs in adaptation to drought, high salinity, heat, high light, Ci deficit, and excess bicarbonate. The changes in CA levels under cold stress are less studied and generally represented by the downregulation of CAs excepting βCA2. Excess Cd2+ and deficit of Zn2+ specifically reduce CA activity and reduce its synthesis. Probable roles of βCAs in stress adaptation include stomatal closure, ROS scavenging and partial compensation for decreased mesophyll CO2 conductance. βCAs play contrasting roles in pathogen responses, interacting with phytohormone signaling networks. Their role can be either negative or positive, probably depending on the host-pathogen system, pathogen initial titer, and levels of ·NO and ROS. It is still not clear why CAs are suppressed under severe stress levels. It should be noted, that the role of βCAs in the facilitation of CO2 diffusion and their involvement in redox signaling or ROS detoxication are potentially antagonistic, as they are inactivated by oxidation or nitrosylation. Interestingly, some chloroplastic βCAs may be relocated to the cytoplasm under stress conditions, but the physiological meaning of this effect remains to be studied.
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Affiliation(s)
- O V Polishchuk
- Membranology and Phytochemistry Department, M.G. Kholodny Institute of Botany of NAS of Ukraine, 2 Tereshchenkivska Str, Kyiv, 01004, Ukraine.
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14
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Moreau S, van Aubel G, Janky R, Van Cutsem P. Chloroplast Electron Chain, ROS Production, and Redox Homeostasis Are Modulated by COS-OGA Elicitation in Tomato ( Solanum lycopersicum) Leaves. FRONTIERS IN PLANT SCIENCE 2020; 11:597589. [PMID: 33381134 PMCID: PMC7768011 DOI: 10.3389/fpls.2020.597589] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 11/11/2020] [Indexed: 06/12/2023]
Abstract
The stimulation of plant innate immunity by elicitors is an emerging technique in agriculture that contributes more and more to residue-free crop protection. Here, we used RNA-sequencing to study gene transcription in tomato leaves treated three times with the chitooligosaccharides-oligogalacturonides (COS-OGA) elicitor FytoSave® that induces plants to fend off against biotrophic pathogens. Results showed a clear upregulation of sequences that code for chloroplast proteins of the electron transport chain, especially Photosystem I (PSI) and ferredoxin. Concomitantly, stomatal conductance decreased by half, reduced nicotinamide adenine dinucleotide phosphate [NAD(P)H] content and reactive oxygen species production doubled, but fresh and dry weights were unaffected. Chlorophyll, β-carotene, violaxanthin, and neoxanthin contents decreased consistently upon repeated elicitations. Fluorescence measurements indicated a transient decrease of the effective PSII quantum yield and a non-photochemical quenching increase but only after the first spraying. Taken together, this suggests that plant defense induction by COS-OGA induces a long-term acclimation mechanism and increases the role of the electron transport chain of the chloroplast to supply electrons needed to mount defenses targeted to the apoplast without compromising biomass accumulation.
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Affiliation(s)
- Sophie Moreau
- Research Unit in Plant Cellular and Molecular Biology, Biology Department, Institute of Life, Earth and Environment, University of Namur, Namur, Belgium
| | - Géraldine van Aubel
- Research Unit in Plant Cellular and Molecular Biology, Biology Department, Institute of Life, Earth and Environment, University of Namur, Namur, Belgium
- FytoFend S.A., Isnes, Belgium
| | | | - Pierre Van Cutsem
- Research Unit in Plant Cellular and Molecular Biology, Biology Department, Institute of Life, Earth and Environment, University of Namur, Namur, Belgium
- FytoFend S.A., Isnes, Belgium
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15
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Chen Z, Wang W, Dong X, Pu X, Gao B, Liu L. Functional redundancy and divergence of β-carbonic anhydrases in Physcomitrella patens. PLANTA 2020; 252:20. [PMID: 32671568 DOI: 10.1007/s00425-020-03429-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 07/10/2020] [Indexed: 06/11/2023]
Abstract
β-carbonic anhydrases, which function in regulating plant growth, C/N status, and stomata number, showed functional redundancy and divergence in Physcomitrella patens. Carbonic anhydrases (CAs) catalyze the interconversion of CO2 and HCO3-. Plants have three evolutionarily unrelated CA families: α-, β-, and γ-CAs. βCAs are abundant in plants and are involved in CO2 assimilation, stress responses, and stomata formation. Recent studies of βCAs have mainly examined C3 or C4 plants, whereas their functions in non-vascular plants are mostly unknown. In this study, phylogenetic analysis revealed that the evolution of βCAs were conserved between subaerial green algae and bryophytes after terrestrialization event, and βCAs from some cyanobacteria might begin evolving for the adaptation of terrestrial environment/habitat. In addition, we investigated the physiological roles of βCAs in the basal land plant Physcomitrella patens. High PpβCA expression levels in different tissues suggest that PpβCAs play important roles in development in P. patens. Plants treated with 1-10 mM NaHCO3 had higher fresh and dry weight, PpβCA expression, total CA activity, and photosynthetic yield (Fv/Fm) compared with water-treated plants. However, treatment with 10 mM NaHCO3 influenced the C/N status. Further study of six Ppβca single-gene mutants revealed that PpβCAs have functional redundancy and divergence in regulating the C/N ratio of plants and stomatal formation. This study provides new insight into the physiological roles of βCAs in basal land plants.
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Affiliation(s)
- Zexi Chen
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, China
- University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Wenbo Wang
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, China
- University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiumei Dong
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, China
| | - Xiaojun Pu
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, China
| | - Bei Gao
- State Key Laboratory of Agrobiotechnology, The Chinese University of Hong Kong, Hong Kong, 999077, China
| | - Li Liu
- Department of Economic Plants and Biotechnology, Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650204, China.
- State Key Laboratory of Biocatalysis and Enzyme Engineering, Hubei Key Laboratory of Industrial Biotechnology, School of Life Sciences, Hubei Collaborative Innovation Center for Green Transformation of Bio-Resources, Hubei University, Wuhan, 430062, China.
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16
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Feng CY, Chen ZF, Pei LL, Ma SX, Nie HM, Zheng SW, Sun S, Xing GM. Genome-wide identification, phylogeny, and expression analysis of the CA gene family in tomato. BIOTECHNOL BIOTEC EQ 2020. [DOI: 10.1080/13102818.2020.1715832] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Affiliation(s)
- Chao-Yang Feng
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center for Improving the Quality and Efficiency of Greenhouse Vegetable in Shanxi Province, Taigu County, China
| | - Zhi-Feng Chen
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center for Improving the Quality and Efficiency of Greenhouse Vegetable in Shanxi Province, Taigu County, China
| | - Ling-Ling Pei
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center for Improving the Quality and Efficiency of Greenhouse Vegetable in Shanxi Province, Taigu County, China
| | - Su-Xian Ma
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center for Improving the Quality and Efficiency of Greenhouse Vegetable in Shanxi Province, Taigu County, China
| | - Hong-Mei Nie
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center for Improving the Quality and Efficiency of Greenhouse Vegetable in Shanxi Province, Taigu County, China
| | - Shao-Wen Zheng
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center for Improving the Quality and Efficiency of Greenhouse Vegetable in Shanxi Province, Taigu County, China
| | - Sheng Sun
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center for Improving the Quality and Efficiency of Greenhouse Vegetable in Shanxi Province, Taigu County, China
| | - Guo-Ming Xing
- College of Horticulture, Shanxi Agricultural University, Jinzhong, China
- Collaborative Innovation Center for Improving the Quality and Efficiency of Greenhouse Vegetable in Shanxi Province, Taigu County, China
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17
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Giannopoulos A, Nikolopoulos D, Bresta P, Samantas A, Reppa C, Karaboiki K, Dotsika E, Fasseas C, Liakopoulos G, Karabourniotis G. Cystoliths of Parietaria judaica can serve as an internal source of CO2 for photosynthetic assimilation when stomata are closed. JOURNAL OF EXPERIMENTAL BOTANY 2019; 70:5753-5763. [PMID: 31270538 DOI: 10.1093/jxb/erz316] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 06/25/2019] [Indexed: 06/09/2023]
Abstract
The recently reported 'alarm photosynthesis' acts as a biochemical process that assimilates CO2 derived from the decomposition of calcium oxalate crystals. This study examined whether CaCO3 cystoliths could also serve as CO2 pools, fulfilling a similar role. Shoots of Parietaria judaica were subjected to carbon starvation, abscisic acid (ABA), or bicarbonate treatments, and the volume of cystoliths and the photochemical parameters of photosystem II (PSII) were determined. The size of cystoliths was reduced under carbon starvation or ABA treatments, whereas it was restored by xylem-provided bicarbonate. Under carbon starvation, ABA, or bicarbonate treatments, the photochemical efficiency of PSII was higher, while non-photochemical quenching, representing the safe dissipation of excess PSII energy due to lack of electron sinks, was lower in treated samples compared with controls. This observation suggests the involvement of ABA or other carbon starvation cues in the release of subsidiary CO2 for photosynthesis, inevitably from an internal source, which could be the cystoliths. Carbon remobilized from cystoliths can be photosynthetically assimilated, thus acting as a safety valve under stress. Together with alarm photosynthesis, these results show a tight link between leaf carbon deposits and photosynthesis.
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Affiliation(s)
- Andreas Giannopoulos
- Laboratory of Plant Physiology, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
| | - Dimosthenis Nikolopoulos
- Laboratory of Plant Physiology, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
| | - Panagiota Bresta
- Laboratory of Plant Physiology, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
| | - Aris Samantas
- Laboratory of Plant Physiology, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
| | - Chrysavgi Reppa
- Laboratory of Plant Physiology, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
| | - Kalliopi Karaboiki
- Laboratory of Plant Physiology, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
| | - Elissavet Dotsika
- Stable Isotope Unit, Institute of Material Science, National Centre for Scientific Research 'Demokritos', Athens, Greece
| | - Constantinos Fasseas
- Laboratory of Electron Microscopy, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
| | - Georgios Liakopoulos
- Laboratory of Plant Physiology, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
| | - George Karabourniotis
- Laboratory of Plant Physiology, Faculty of Crop Science, Agricultural University of Athens, Athens, Greece
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18
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Szechyńska-Hebda M, Lewandowska M, Karpiński S. Electrical Signaling, Photosynthesis and Systemic Acquired Acclimation. Front Physiol 2017; 8:684. [PMID: 28959209 PMCID: PMC5603676 DOI: 10.3389/fphys.2017.00684] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Accepted: 08/25/2017] [Indexed: 12/20/2022] Open
Abstract
Electrical signaling in higher plants is required for the appropriate intracellular and intercellular communication, stress responses, growth and development. In this review, we have focus on recent findings regarding the electrical signaling, as a major regulator of the systemic acquired acclimation (SAA) and the systemic acquired resistance (SAR). The electric signaling on its own cannot confer the required specificity of information to trigger SAA and SAR, therefore, we have also discussed a number of other mechanisms and signaling systems that can operate in combination with electric signaling. We have emphasized the interrelation between ionic mechanism of electrical activity and regulation of photosynthesis, which is intrinsic to a proper induction of SAA and SAR. In a special way, we have summarized the role of non-photochemical quenching and its regulator PsbS. Further, redox status of the cell, calcium and hydraulic waves, hormonal circuits and stomatal aperture regulation have been considered as components of the signaling. Finally, a model of light-dependent mechanisms of electrical signaling propagation has been presented together with the systemic regulation of light-responsive genes encoding both, ion channels and proteins involved in regulation of their activity. Due to space limitations, we have not addressed many other important aspects of hormonal and ROS signaling, which were presented in a number of recent excellent reviews.
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Affiliation(s)
- Magdalena Szechyńska-Hebda
- Department of Plant Genetics, Breeding and Biotechnology, Warsaw University of Life SciencesWarsaw, Poland
- The Franciszek Górski Institute of Plant Physiology, Polish Academy of SciencesKrakow, Poland
| | - Maria Lewandowska
- Department of Plant Genetics, Breeding and Biotechnology, Warsaw University of Life SciencesWarsaw, Poland
| | - Stanisław Karpiński
- Department of Plant Genetics, Breeding and Biotechnology, Warsaw University of Life SciencesWarsaw, Poland
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19
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Britto DT, Wilhelm C, Kronzucker HJ. From biochemical pathways to the agro-ecological scale: Carbon capture in a changing climate. JOURNAL OF PLANT PHYSIOLOGY 2016; 203:1-2. [PMID: 27644583 DOI: 10.1016/j.jplph.2016.08.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Affiliation(s)
- D T Britto
- University of Toronto, Toronto, ON, Canada.
| | - C Wilhelm
- University of Leipzig, Leipzig, Germany.
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