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Ma Q, Liu HS, Li HJ, Bai WP, Gao QF, Wu SD, Yin XX, Chen QQ, Shi YQ, Gao TG, Bao AK, Yin HJ, Li L, Rowland O, Hepworth SR, Luan S, Wang SM. Genomic analysis reveals phylogeny of Zygophyllales and mechanism for water retention of a succulent xerophyte. PLANT PHYSIOLOGY 2024; 195:617-639. [PMID: 38285060 DOI: 10.1093/plphys/kiae040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/30/2023] [Accepted: 12/21/2023] [Indexed: 01/30/2024]
Abstract
Revealing the genetic basis for stress-resistant traits in extremophile plants will yield important information for crop improvement. Zygophyllum xanthoxylum, an extant species of the ancient Mediterranean, is a succulent xerophyte that can maintain a favorable water status under desert habitats; however, the genetic basis of this adaptive trait is poorly understood. Furthermore, the phylogenetic position of Zygophyllales, to which Z. xanthoxylum belongs, remains controversial. In this study, we sequenced and assembled the chromosome-level genome of Z. xanthoxylum. Phylogenetic analysis showed that Zygophyllales and Myrtales form a separated taxon as a sister to the clade comprising fabids and malvids, clarifying the phylogenetic position of Zygophyllales at whole-genome scale. Analysis of genomic and transcriptomic data revealed multiple critical mechanisms underlying the efficient osmotic adjustment using Na+ and K+ as "cheap" osmolytes that Z. xanthoxylum has evolved through the expansion and synchronized expression of genes encoding key transporters/channels and their regulators involved in Na+/K+ uptake, transport, and compartmentation. It is worth noting that ZxCNGC1;1 (cyclic nucleotide-gated channels) and ZxCNGC1;2 constituted a previously undiscovered energy-saving pathway for Na+ uptake. Meanwhile, the core genes involved in biosynthesis of cuticular wax also featured an expansion and upregulated expression, contributing to the water retention capacity of Z. xanthoxylum under desert environments. Overall, these findings boost the understanding of evolutionary relationships of eudicots, illustrate the unique water retention mechanism in the succulent xerophyte that is distinct from glycophyte, and thus provide valuable genetic resources for the improvement of stress tolerance in crops and insights into the remediation of sodic lands.
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Affiliation(s)
- Qing Ma
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Hai-Shuang Liu
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Hu-Jun Li
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Wan-Peng Bai
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Qi-Fei Gao
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China
- Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA
| | - Sheng-Dan Wu
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Ecology, Lanzhou University, Lanzhou 730000, China
| | - Xiu-Xia Yin
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Qin-Qin Chen
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Ya-Qi Shi
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Tian-Ge Gao
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Ai-Ke Bao
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Hong-Ju Yin
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
| | - Li Li
- Institute of Grassland, Xinjiang Academy of Animal Science, Urumqi 830000, China
| | - Owen Rowland
- Department of Biology and Institute of Biochemistry, Carleton University, Ottawa, Ontario K1S 5B6, Canada
| | - Shelley R Hepworth
- Department of Biology and Institute of Biochemistry, Carleton University, Ottawa, Ontario K1S 5B6, Canada
| | - Sheng Luan
- Department of Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA
| | - Suo-Min Wang
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems; College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China
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dos Santos SK, Gomes DDS, Soares VDA, Dantas EFO, de Oliveira AFP, Gusmão MHA, de Matos EM, Souza T, Viccini LF, Grazul RM, Henschel JM, Batista DS. Salicylic Acid and Water Stress: Effects on Morphophysiology and Essential Oil Profile of Eryngium foetidum. Metabolites 2024; 14:241. [PMID: 38668369 PMCID: PMC11052287 DOI: 10.3390/metabo14040241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/16/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
The exogenous application of bioregulators, such as salicylic acid (SA), has exhibited promising outcomes in alleviating drought stress. Nevertheless, its impact on culantro (Eryngium foetidum L.) remains unexplored. Thus, the aim of this study was to assess how SA impacts the growth, morphophysiology, and essential oil composition of culantro when subjected to drought. To achieve this, culantro plants were grown under three different watering regimes: well-watered, drought-stressed, and re-watered. Additionally, they were either treated with SA (100 µM) or left untreated, with water serving as the control. SA application did not mitigate the effects of drought in biomass production but increased biomass, leaf number, leaf area, and photosynthetic pigments under well-irrigated and re-watered conditions. After a drought period followed by re-watering, plants recovered membrane integrity independently of SA application. Water stress and the exogenous application of SA also modulated the profile of essential oils. This is the first report about SA and drought affecting growth and essential oil composition in culantro.
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Affiliation(s)
- Sabrina Kelly dos Santos
- Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Paraíba, Brazil; (S.K.d.S.); (D.d.S.G.); (V.d.A.S.); (J.M.H.)
| | - Daniel da Silva Gomes
- Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Paraíba, Brazil; (S.K.d.S.); (D.d.S.G.); (V.d.A.S.); (J.M.H.)
| | - Vanessa de Azevedo Soares
- Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Paraíba, Brazil; (S.K.d.S.); (D.d.S.G.); (V.d.A.S.); (J.M.H.)
| | | | | | - Moises Henrique Almeida Gusmão
- Department of Biology, Federal University of Juiz de Fora, Juiz de Fora 36036-900, Minas Gerais, Brazil; (M.H.A.G.); (E.M.d.M.); (L.F.V.)
| | - Elyabe Monteiro de Matos
- Department of Biology, Federal University of Juiz de Fora, Juiz de Fora 36036-900, Minas Gerais, Brazil; (M.H.A.G.); (E.M.d.M.); (L.F.V.)
| | - Tancredo Souza
- Postgraduate Program in Agroecology, Federal University of Paraiba, Bananeiras 58220-000, Paraíba, Brazil;
| | - Lyderson Facio Viccini
- Department of Biology, Federal University of Juiz de Fora, Juiz de Fora 36036-900, Minas Gerais, Brazil; (M.H.A.G.); (E.M.d.M.); (L.F.V.)
| | - Richard Michael Grazul
- Department of Chemistry, Federal University of Juiz de Fora, Juiz de Fora 36036-900, Minas Gerais, Brazil; (A.F.P.d.O.); (R.M.G.)
| | - Juliane Maciel Henschel
- Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Paraíba, Brazil; (S.K.d.S.); (D.d.S.G.); (V.d.A.S.); (J.M.H.)
| | - Diego Silva Batista
- Postgraduate Program in Agronomy, Federal University of Paraiba, Areia 58397-000, Paraíba, Brazil; (S.K.d.S.); (D.d.S.G.); (V.d.A.S.); (J.M.H.)
- Department of Agriculture, Federal University of Paraiba, Bananeiras 58220-000, Paraíba, Brazil;
- Postgraduate Program in Agroecology, Federal University of Paraiba, Bananeiras 58220-000, Paraíba, Brazil;
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El-Esawi MA, Elshamy MM, Heikal YM. Genetic variation and molecular characterization of Zygophyllum coccineum L. ecotypes of the iron mining area of El-Wahat El-Bahariya in Egypt. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 190:212-230. [PMID: 36137308 DOI: 10.1016/j.plaphy.2022.09.009] [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: 06/18/2022] [Revised: 09/08/2022] [Accepted: 09/12/2022] [Indexed: 06/16/2023]
Abstract
Remediation and mitigation processes can recover the ecosystems affected by mining operations. Zygophyllum coccineum L. is a native indigenous xerophyte that grows in Egypt's Western Desert, particularly around the iron mining ore deposits, and accumulates high rates of potentially toxic elements (PTEs) in its succulent leaves. The present study evaluated the genetic variation and molecular responses of Z. coccineum to heavy metal stressful conditions in three sites. Results revealed that Z. coccineum bioaccumulation capacity was greater than unity and varied amongst the three locations. In response to heavy metal toxicity, Z. coccineum plants boosted their antioxidative enzymes activity and glutathione levels as a tolerance strategy. Anatomically, a compact epidermis, a thick spongy mesophyll with water storage cells, and a thicker vascular system were observed. Protein electrophoretic analysis yielded 20 fragments with a polymorphism rate of 85%. The antioxidant genes (CAT: catalase, POD: peroxidase and GST: polyphenol oxidase) showed greater levels of expression. In addition, DNA-based molecular genetic diversity analyses using Start Codon Targeted (SCoT) and Inter Simple Sequence Repeat (ISSR) markers yielded 54 amplified fragments (i.e. 24 monomorphic and 30 polymorphic), with 12 unique fragments and a polymorphism rate of 55.5%. The greatest PIC values were recorded for SCoT-6 (0.36) and for both of the 14 A and 44 B ISSR primers (0.25). Diversity index (DI) of all SCoT and ISSR amplified primers was 0.23. The present findings reveal the distinct heavy metal's adaption attributes of Z. coccineum, indicating its improved survival in severely arid mining environments.
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Affiliation(s)
- Mohamed A El-Esawi
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
| | - Maha M Elshamy
- Botany Department, Faculty of Science, Mansoura University, 35516, Mansoura, Egypt.
| | - Yasmin M Heikal
- Botany Department, Faculty of Science, Mansoura University, 35516, Mansoura, Egypt.
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Singhal RK, Fahad S, Kumar P, Choyal P, Javed T, Jinger D, Singh P, Saha D, MD P, Bose B, Akash H, Gupta NK, Sodani R, Dev D, Suthar DL, Liu K, Harrison MT, Saud S, Shah AN, Nawaz T. Beneficial elements: New Players in improving nutrient use efficiency and abiotic stress tolerance. PLANT GROWTH REGULATION 2022. [PMID: 0 DOI: 10.1007/s10725-022-00843-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
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Solis CA, Yong MT, Zhou M, Venkataraman G, Shabala L, Holford P, Shabala S, Chen ZH. Evolutionary Significance of NHX Family and NHX1 in Salinity Stress Adaptation in the Genus Oryza. Int J Mol Sci 2022; 23:ijms23042092. [PMID: 35216206 PMCID: PMC8879705 DOI: 10.3390/ijms23042092] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/28/2022] [Accepted: 02/07/2022] [Indexed: 02/06/2023] Open
Abstract
Rice (Oryza sativa), a staple crop for a substantial part of the world’s population, is highly sensitive to soil salinity; however, some wild Oryza relatives can survive in highly saline environments. Sodium/hydrogen antiporter (NHX) family members contribute to Na+ homeostasis in plants and play a major role in conferring salinity tolerance. In this study, we analyzed the evolution of NHX family members using phylogeny, conserved domains, tertiary structures, expression patterns, and physiology of cultivated and wild Oryza species to decipher the role of NHXs in salt tolerance in Oryza. Phylogenetic analysis showed that the NHX family can be classified into three subfamilies directly related to their subcellular localization: endomembrane, plasma membrane, and tonoplast (vacuolar subfamily, vNHX1). Phylogenetic and structural analysis showed that vNHX1s have evolved from streptophyte algae (e.g., Klebsormidium nitens) and are abundant and highly conserved in all major land plant lineages, including Oryza. Moreover, we showed that tissue tolerance is a crucial trait conferring tolerance to salinity in wild rice species. Higher Na+ accumulation and reduced Na+ effluxes in leaf mesophyll were observed in the salt-tolerant wild rice species O. alta, O. latifolia, and O. coarctata. Among the key genes affecting tissue tolerance, expression of NHX1 and SOS1/NHX7 exhibited significant correlation with salt tolerance among the rice species and cultivars. This study provides insights into the evolutionary origin of plant NHXs and their role in tissue tolerance of Oryza species and facilitates the inclusion of this trait during the development of salinity-tolerant rice cultivars.
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Affiliation(s)
- Celymar Angela Solis
- School of Science, Western Sydney University, Penrith, NSW 2751, Australia; (C.A.S.); (M.-T.Y.); (P.H.)
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia; (M.Z.); (L.S.)
| | - Miing-Tiem Yong
- School of Science, Western Sydney University, Penrith, NSW 2751, Australia; (C.A.S.); (M.-T.Y.); (P.H.)
| | - Meixue Zhou
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia; (M.Z.); (L.S.)
| | - Gayatri Venkataraman
- Plant Molecular Biology Laboratory, M. S. Swaminathan Research Foundation, III Cross Street, Taramani Institutional Area, Chennai 600113, India;
| | - Lana Shabala
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia; (M.Z.); (L.S.)
| | - Paul Holford
- School of Science, Western Sydney University, Penrith, NSW 2751, Australia; (C.A.S.); (M.-T.Y.); (P.H.)
| | - Sergey Shabala
- Tasmanian Institute of Agriculture, University of Tasmania, Hobart, TAS 7001, Australia; (M.Z.); (L.S.)
- International Research Centre for Environmental Membrane Biology, Foshan University, Foshan 528000, China
- Correspondence: (S.S.); (Z.-H.C.); Tel.: +61-245-701-934 (Z.-H.C.)
| | - Zhong-Hua Chen
- School of Science, Western Sydney University, Penrith, NSW 2751, Australia; (C.A.S.); (M.-T.Y.); (P.H.)
- Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW 2751, Australia
- Correspondence: (S.S.); (Z.-H.C.); Tel.: +61-245-701-934 (Z.-H.C.)
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Lu Y, Zhang B, Li L, Zeng F, Li X. Negative effects of long-term exposure to salinity, drought, and combined stresses on halophyte Halogeton glomeratus. PHYSIOLOGIA PLANTARUM 2021; 173:2307-2322. [PMID: 34625966 DOI: 10.1111/ppl.13581] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 09/17/2021] [Indexed: 06/13/2023]
Abstract
Plants are subjected to salt and drought stresses concurrently but our knowledge about the effects of combined stress on plants is limited, especially on halophytes. We aim to study if some diverse drought and salt tolerance traits in halophyte may explain their tolerance to salinity and drought stresses, individual and in combination, and identify key traits that influence growth under such stress conditions. Here, the halophyte Halogeton glomeratus was grown under control, single or combinations of 60 days drought and salt treatments, and morphophysiological responses were tested. Our results showed that drought, salinity, and combination of these two stressors decreased plant growth (shoot height, root length, and biomass), leaf photosynthetic pigments content (chlorophyll a, b, a + b and carotenoids), gas exchange parameters (Net photosynthesis rate [PN ], transpiration rate [E], stomatal conductance [gs ]), and water potential (ψw ), and the decreases were more prominent under combined drought and salinity treatment compared with these two stressors individually performed. Similarly, combined drought and salinity treatment induced more severe oxidative stress as indicated by more hydrogen peroxide (H2 O2 ) and malondialdehyde (MDA) accumulated. Nevertheless, H. glomeratus is equipped with specific mechanisms to protect itself against drought and salt stresses, including upregulation of superoxide dismutases (SOD; EC 1.15.1.1) and catalase (CAT; EC 1.11.1.6) activities and accumulation of osmoprotectants (Na+ , Cl- , and soluble sugar). Our results indicated that photosynthetic pigments content, gas exchange parameters, water potential, APX activity, CAT activity, soluble sugar, H2 O2 , and MDA are valuable screening criteria for drought and salt, alone or combined, and provide the tolerant assessment of H. glomeratus.
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Affiliation(s)
- Yan Lu
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, China
| | - Bo Zhang
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, China
| | - Lei Li
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, China
| | - Fanjiang Zeng
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, China
| | - Xiangyi Li
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
- Cele National Station of Observation and Research for Desert-Grassland Ecosystems, Cele, China
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Mateus NS, Florentino AL, Oliveira JB, Santos EF, Gaziola SA, Rossi ML, Linhares FS, Bendassolli JA, Azevedo RA, Lavres J. Leaf 13C and 15N composition shedding light on easing drought stress through partial K substitution by Na in eucalyptus species. Sci Rep 2021; 11:20158. [PMID: 34635753 PMCID: PMC8505639 DOI: 10.1038/s41598-021-99710-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022] Open
Abstract
This work aimed to investigate the partial K-replacement by Na supply to alleviate drought-induced stress in Eucalyptus species. Plant growth, leaf gas exchange parameters, water relations, oxidative stress (H2O2 and MDA content), chlorophyll concentration, carbon (C) and nitrogen (N) isotopic leaf composition (δ13C and δ15N) were analyzed. Drought tolerant E. urophylla and E. camaldulensis showed positive responses to the partial K substitution by Na, with similar dry mass yields, stomatal density and total stomatal pore area relative to the well K-supplied plants under both water conditions, suggesting that 50% of the K requirements is pressing for physiological functions that is poorly substituted by Na. Furthermore, E. urophylla and E. camaldulensis up-regulated leaf gas exchanges, leading to enhanced long-term water use efficiency (WUEL). Moreover, the partial K substitution by Na had no effects on plants H2O2, MDA, δ13C and δ15N, confirming that Na, to a certain extent, can effectively replace K in plants metabolism. Otherwise, the drought-sensitive E. saligna species was negatively affected by partial K replacement by Na, decreasing plants dry mass, even with up-regulated leaf gas exchange parameters. The exclusive Na-supplied plants showed K-deficient symptoms and lower growth, WUEL, and δ13C, besides higher Na accumulation, δ15N, H2O2 and MDA content.
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Affiliation(s)
- Nikolas Souza Mateus
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenario, 303. CP 96, Piracicaba, CEP, 13416-000, Brazil.
| | | | - Jessica Bezerra Oliveira
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenario, 303. CP 96, Piracicaba, CEP, 13416-000, Brazil
| | - Elcio Ferreira Santos
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenario, 303. CP 96, Piracicaba, CEP, 13416-000, Brazil
| | | | - Monica Lanzoni Rossi
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenario, 303. CP 96, Piracicaba, CEP, 13416-000, Brazil
| | - Francisco Scaglia Linhares
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenario, 303. CP 96, Piracicaba, CEP, 13416-000, Brazil
| | - José Albertino Bendassolli
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenario, 303. CP 96, Piracicaba, CEP, 13416-000, Brazil
| | - Ricardo Antunes Azevedo
- College of Agriculture Luiz de Queiroz, University of São Paulo, Piracicaba, 13418-900, Brazil
| | - José Lavres
- Center for Nuclear Energy in Agriculture, University of São Paulo, Avenida Centenario, 303. CP 96, Piracicaba, CEP, 13416-000, Brazil.
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Santiago‐Rosario LY, Harms KE, Elderd BD, Hart PB, Dassanayake M. No escape: The influence of substrate sodium on plant growth and tissue sodium responses. Ecol Evol 2021; 11:14231-14249. [PMID: 34707851 PMCID: PMC8525147 DOI: 10.1002/ece3.8138] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 08/16/2021] [Accepted: 09/01/2021] [Indexed: 01/21/2023] Open
Abstract
As an essential micronutrient for many organisms, sodium plays an important role in ecological and evolutionary dynamics. Although plants mediate trophic fluxes of sodium, from substrates to higher trophic levels, relatively little comparative research has been published about plant growth and sodium accumulation in response to variation in substrate sodium. Accordingly, we carried out a systematic review of plants' responses to variation in substrate sodium concentrations.We compared biomass and tissue-sodium accumulation among 107 cultivars or populations (67 species in 20 plant families), broadly expanding beyond the agricultural and model taxa for which several generalizations previously had been made. We hypothesized a priori response models for each population's growth and sodium accumulation as a function of increasing substrate NaCl and used Bayesian Information Criterion to choose the best model. Additionally, using a phylogenetic signal analysis, we tested for phylogenetic patterning of responses across taxa.The influence of substrate sodium on growth differed across taxa, with most populations experiencing detrimental effects at high concentrations. Irrespective of growth responses, tissue sodium concentrations for most taxa increased as sodium concentration in the substrate increased. We found no strong associations between the type of growth response and the type of sodium accumulation response across taxa. Although experiments often fail to test plants across a sufficiently broad range of substrate salinities, non-crop species tended toward higher sodium tolerance than domesticated species. Moreover, some phylogenetic conservatism was apparent, in that evolutionary history helped predict the distribution of total-plant growth responses across the phylogeny, but not sodium accumulation responses.Our study reveals that saltier plants in saltier soils proves to be a broadly general pattern for sodium across plant taxa. Regardless of growth responses, sodium accumulation mostly followed an increasing trend as substrate sodium levels increased.
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Affiliation(s)
| | - Kyle E. Harms
- Department of Biological SciencesLouisiana State UniversityBaton RougeLouisianaUSA
| | - Bret D. Elderd
- Department of Biological SciencesLouisiana State UniversityBaton RougeLouisianaUSA
| | - Pamela B. Hart
- Department of Biological SciencesLouisiana State UniversityBaton RougeLouisianaUSA
| | - Maheshi Dassanayake
- Department of Biological SciencesLouisiana State UniversityBaton RougeLouisianaUSA
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Han G, Qiao Z, Li Y, Wang C, Wang B. The Roles of CCCH Zinc-Finger Proteins in Plant Abiotic Stress Tolerance. Int J Mol Sci 2021; 22:ijms22158327. [PMID: 34361093 PMCID: PMC8347928 DOI: 10.3390/ijms22158327] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 01/07/2023] Open
Abstract
Zinc-finger proteins, a superfamily of proteins with a typical structural domain that coordinates a zinc ion and binds nucleic acids, participate in the regulation of growth, development, and stress adaptation in plants. Most zinc fingers are C2H2-type or CCCC-type, named after the configuration of cysteine (C) and histidine (H); the less-common CCCH zinc-finger proteins are important in the regulation of plant stress responses. In this review, we introduce the domain structures, classification, and subcellular localization of CCCH zinc-finger proteins in plants and discuss their functions in transcriptional and post-transcriptional regulation via interactions with DNA, RNA, and other proteins. We describe the functions of CCCH zinc-finger proteins in plant development and tolerance to abiotic stresses such as salt, drought, flooding, cold temperatures and oxidative stress. Finally, we summarize the signal transduction pathways and regulatory networks of CCCH zinc-finger proteins in their responses to abiotic stress. CCCH zinc-finger proteins regulate the adaptation of plants to abiotic stress in various ways, but the specific molecular mechanisms need to be further explored, along with other mechanisms such as cytoplasm-to-nucleus shuttling and post-transcriptional regulation. Unraveling the molecular mechanisms by which CCCH zinc-finger proteins improve stress tolerance will facilitate the breeding and genetic engineering of crops with improved traits.
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Affiliation(s)
- Guoliang Han
- Correspondence: (G.H.); (B.W.); Tel./Fax: +86-531-8618-0197 (B.W.)
| | | | | | | | - Baoshan Wang
- Correspondence: (G.H.); (B.W.); Tel./Fax: +86-531-8618-0197 (B.W.)
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Mateus NDS, Florentino AL, Santos EF, Ferraz ADV, Goncalves JLDM, Lavres J. Partial Substitution of K by Na Alleviates Drought Stress and Increases Water Use Efficiency in Eucalyptus Species Seedlings. FRONTIERS IN PLANT SCIENCE 2021; 12:632342. [PMID: 33790923 PMCID: PMC8005639 DOI: 10.3389/fpls.2021.632342] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 01/28/2021] [Indexed: 05/13/2023]
Abstract
Eucalyptus, the most widely planted tree genus worldwide, is frequently cultivated in soils with low water and nutrient availability. Sodium (Na) can substitute some physiological functions of potassium (K), directly influencing plants' water status. However, the extent to which K can be replaced by Na in drought conditions remains poorly understood. A greenhouse experiment was conducted with three Eucalyptus genotypes under two water conditions (well-watered and water-stressed) and five combination rates of K and Na, representing substitutions of 0/100, 25/75, 50/50, 75/25, and 100/0 (percentage of Na/percentage of K), to investigate growth and photosynthesis-related parameters. This study focused on the positive effects of Na supply since, depending on the levels applied, the Na supply may induce plants to salinity stress (>100 mM of NaCl). Plants supplied with low to intermediate K replacement by Na reduced the critical level of K without showing symptoms of K deficiency and provided higher total dry matter (TDM) than those Eucalyptus seedlings supplied only with K in both water conditions. Those plants supplied with low to intermediate K replacement by Na had improved CO2 assimilation (A), stomatal density (Std), K use efficiency (UE K ), and water use efficiency (WUE), in addition to reduced leaf water potential (Ψw) and maintenance of leaf turgidity, with the stomata partially closed, indicated by the higher values of leaf carbon isotope composition (δ13C‰). Meanwhile, combination rates higher than 50% of K replacement by Na led to K-deficient plants, characterized by the lower values of TDM, δ13C‰, WUE, and leaf K concentration and higher leaf Na concentration. There was positive evidence of partial replacement of K by Na in Eucalyptus seedlings; meanwhile, the ideal percentage of substitution increased according to the drought tolerance of the species (Eucalyptus saligna < Eucalyptus urophylla < Eucalyptus camaldulensis).
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Affiliation(s)
- Nikolas de Souza Mateus
- Stable Isotope Laboratory, Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, Brazil
- *Correspondence: Nikolas de Souza Mateus,
| | - Antônio Leite Florentino
- Applied Ecology Laboratory, Department of Forest Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, Brazil
| | | | | | - José Leonardo de Moraes Goncalves
- Applied Ecology Laboratory, Department of Forest Sciences, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, Brazil
| | - José Lavres
- Stable Isotope Laboratory, Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, Brazil
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Galviz YC, Valerio R. Leaf morphoanatomical traits of Jacquinia armillaris Jacq. (Theophrastoideae - Primulaceae) in two xeric shrublands from Venezuela. NEOTROPICAL BIODIVERSITY 2021. [DOI: 10.1080/23766808.2021.1964911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Affiliation(s)
| | - Rosanna Valerio
- Department of Biology, Universidad de Oriente, Cumaná, Venezuela
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González-Orenga S, Al Hassan M, Llinares JV, Lisón P, López-Gresa MP, Verdeguer M, Vicente O, Boscaiu M. Qualitative and Quantitative Differences in Osmolytes Accumulation and Antioxidant Activities in Response to Water Deficit in Four Mediterranean Limonium Species. PLANTS 2019; 8:plants8110506. [PMID: 31731597 PMCID: PMC6918351 DOI: 10.3390/plants8110506] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/12/2019] [Accepted: 11/13/2019] [Indexed: 12/27/2022]
Abstract
Limonium is a genus represented in the Iberian Peninsula by numerous halophytic species that are affected in nature by salinity, and often by prolonged drought episodes. Responses to water deficit have been studied in four Mediterranean Limonium species, previously investigated regarding salt tolerance mechanisms. The levels of biochemical markers, associated with specific responses—photosynthetic pigments, mono- and divalent ions, osmolytes, antioxidant compounds and enzymes—were determined in the control and water-stressed plants, and correlated with their relative degree of stress-induced growth inhibition. All the tested Limonium taxa are relatively resistant to drought on the basis of both the constitutive presence of high leaf ion levels that contribute to osmotic adjustment, and the stress-induced accumulation of osmolytes and increased activity of antioxidant enzymes, albeit with different qualitative and quantitative induction patterns. Limonium santapolense activated the strongest responses and clearly differed from Limonium virgatum, Limonium girardianum, and Limonium narbonense, as indicated by cluster and principal component analysis (PCA) analyses in agreement with its drier natural habitat, and compared to that of the other plants. Somewhat surprisingly, however, L. santapolense was the species most affected by water deficit in growth inhibition terms, which suggests the existence of additional mechanisms of defense operating in the field that cannot be mimicked in greenhouses.
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Affiliation(s)
- Sara González-Orenga
- Instituto Agroforestal Mediterráneo (IAM), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain; (S.G.-O.); (J.V.L.); (M.V.)
| | - Mohamad Al Hassan
- Instituto de Biología Molecular y Celular de Plantas (IBMCP), Universitat Politècnica de València - Consejo Superior de Investigaciones Científicas (CSIC), Camino de Vera s/n, 46022 Valencia, Spain; (M.A.H.); (P.L.); (M.P.L.-G.)
- Wageningen UR Plant Breeding, Wageningen University and Research Centre, Droevendaalsesteeg 4, 6708 PB Wageningen, The Netherlands
| | - Josep V. Llinares
- Instituto Agroforestal Mediterráneo (IAM), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain; (S.G.-O.); (J.V.L.); (M.V.)
| | - Purificación Lisón
- Instituto de Biología Molecular y Celular de Plantas (IBMCP), Universitat Politècnica de València - Consejo Superior de Investigaciones Científicas (CSIC), Camino de Vera s/n, 46022 Valencia, Spain; (M.A.H.); (P.L.); (M.P.L.-G.)
| | - M. Pilar López-Gresa
- Instituto de Biología Molecular y Celular de Plantas (IBMCP), Universitat Politècnica de València - Consejo Superior de Investigaciones Científicas (CSIC), Camino de Vera s/n, 46022 Valencia, Spain; (M.A.H.); (P.L.); (M.P.L.-G.)
| | - Mercedes Verdeguer
- Instituto Agroforestal Mediterráneo (IAM), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain; (S.G.-O.); (J.V.L.); (M.V.)
| | - Oscar Vicente
- Instituto de Conservación y Mejora de la Agrodiversidad Valenciana (COMAV), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain;
| | - Monica Boscaiu
- Instituto Agroforestal Mediterráneo (IAM), Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain; (S.G.-O.); (J.V.L.); (M.V.)
- Correspondence: ; Tel.: +34-963-879-253; Fax: +34-963-879-269
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