1
|
Ma S, Hu Y, Nan Z, Zhao C, Zang F, Zhao C. Recalcification stabilizes cadmium but magnifies phosphorus limitation in wastewater-irrigated calcareous soil. ENVIRONMENTAL RESEARCH 2024; 252:118920. [PMID: 38657849 DOI: 10.1016/j.envres.2024.118920] [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: 12/11/2023] [Revised: 03/28/2024] [Accepted: 04/10/2024] [Indexed: 04/26/2024]
Abstract
Long-term wastewater irrigation leads to the loss of calcium carbonate (CaCO3) in the tillage layer of calcareous land, which irreversibly damages the soil's ability to retain cadmium (Cd). In this study, we selected calcareous agricultural soil irrigated with wastewater for over 50 years to examine the recalcification effects of sugar beet factory lime (SBFL) at doses of 0%, 2.5%, 5%, and 10%. We found that SBFL promoted Cd transformation in the soil from active exchangeable species to more stable carbonate-bonded and residual species, which the X-ray diffraction patterns also confirmed results that CdSO4 reduced while CdS and CaCdCO3 increased. Correspondingly, the soil bioavailable Cd concentration was significantly reduced by 65.6-84.7%. The Cd concentrations in maize roots and shoots were significantly reduced by 11.7-50.6% and 13.0-70.0%, respectively, thereby promoting maize growth. Nevertheless, SBFL also increased the proportion of plant-unavailable phosphorus (P) in Ca8-P and Ca10-P by 4.3-13.0% and 10.7-25.9%, respectively, reducing the plant-available P (Olsen P) content by 5.2-22.1%. Consequently, soil P-acquiring associated enzyme (alkaline phosphatase) activity and microbial (Proteobacteria, Bacteroidota, and Actinobacteria) community abundance significantly increased. Our findings showed that adding SBFL to wastewater-irrigated calcareous soil stabilized Cd, but exacerbated P limitation. Therefore, it is necessary to alleviate P limitations in the practice of recalcifying degraded calcareous land.
Collapse
Affiliation(s)
- Shuangjin Ma
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China; State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730000, China; Observation Station of Subalpine Ecology Systems in the Middle Qilian Mountains, Zhangye, 734000, China
| | - Yahu Hu
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China.
| | - Zhongren Nan
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Cuicui Zhao
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Fei Zang
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730000, China; Observation Station of Subalpine Ecology Systems in the Middle Qilian Mountains, Zhangye, 734000, China
| | - Chuanyan Zhao
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730000, China; Observation Station of Subalpine Ecology Systems in the Middle Qilian Mountains, Zhangye, 734000, China
| |
Collapse
|
2
|
Gomes AFR, Almeida MC, Sousa E, Resende DISP. Siderophores and metallophores: Metal complexation weapons to fight environmental pollution. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 932:173044. [PMID: 38723971 DOI: 10.1016/j.scitotenv.2024.173044] [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: 01/29/2024] [Revised: 05/02/2024] [Accepted: 05/05/2024] [Indexed: 05/14/2024]
Abstract
Siderophores are small molecules of organic nature, released by bacteria to chelate iron from the surrounding environment and subsequently incorporate it into the cytoplasm. In addition to iron, these secondary metabolites can complex with a wide variety of metals, which is why they are commonly studied in the environment. Heavy metals can be very toxic when present in large amounts on the planet, affecting public health and all living organisms. The pollution caused by these toxic metals is increasing, and therefore it is urgent to find practical, sustainable, and economical solutions for remediation. One of the strategies is siderophore-assisted bioremediation, an innovative and advantageous alternative for various environmental applications. This research highlights the various uses of siderophores and metallophores in the environment, underscoring their significance to ecosystems. The study delves into the utilization of siderophores and metallophores in both marine and terrestrial settings (e.g. bioremediation, biocontrol of pathogens, and plant growth promotion), such as bioremediation, biocontrol of pathogens, and plant growth promotion, providing context for the different instances outlined in the existing literature and highlighting their relevance in each field. The study delves into the structures and types of siderophores focusing on their singular characteristics for each application and methodologies used. Focusing on recent developments over the last two decades, the opportunities and challenges associated with siderophores and metallophores applications in the environment were mapped to arm researchers in the fight against environmental pollution.
Collapse
Affiliation(s)
- Ana F R Gomes
- LQOF - Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, FFUP - Faculdade de Farmácia, Universidade do Porto, Rua de Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal
| | - Mariana C Almeida
- LQOF - Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, FFUP - Faculdade de Farmácia, Universidade do Porto, Rua de Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Rua de Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Emília Sousa
- LQOF - Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, FFUP - Faculdade de Farmácia, Universidade do Porto, Rua de Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal
| | - Diana I S P Resende
- LQOF - Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, FFUP - Faculdade de Farmácia, Universidade do Porto, Rua de Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal; CIIMAR - Centro Interdisciplinar de Investigação Marinha e Ambiental, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal; ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Rua de Jorge de Viterbo Ferreira 228, 4050-313 Porto, Portugal.
| |
Collapse
|
3
|
Kayano K, Tsutsumi T, Murata Y, Ogasa C, Watanabe T, Sato R, Karanjit S, Namba K. Epoxide Ring-Opening Reactions for Abundant Production of Mugineic Acids and Nicotianamine Probes. Angew Chem Int Ed Engl 2024; 63:e202401411. [PMID: 38500479 DOI: 10.1002/anie.202401411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 03/18/2024] [Accepted: 03/18/2024] [Indexed: 03/20/2024]
Abstract
A succinct synthetic approach to mugineic acids and 2'-hydroxynicotianamine was established. Unlike all other synthetic methods, this approach utilized epoxide ring-opening reactions to form two C-N bonds and is characterized by the absence of redox reactions. Mugineic acid was synthesized from three readily available fragments on a gram scale in 6 steps. The protected 2'-hydroxynicotianamine was also synthesized in 4 steps, and the dansyl group, serving as a fluorophore, was introduced through a click reaction after propargylation of the 2'-hydroxy group. The dansyl-labeled nicotianamine (NA) iron complexes were internalized by oocytes overexpressing ZmYS1 (from maize) or PAT1 (from human) transporters, indicating successful transport of the synthesized NA-probe through these transporters.
Collapse
Affiliation(s)
- Kimika Kayano
- Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| | - Tomohiro Tsutsumi
- Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| | - Yoshiko Murata
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, 8-1-1 Seikadai, Seika-cho, Soraku-gun, Kyoto, 619-0284, Japan
| | - Chie Ogasa
- Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| | - Takehiro Watanabe
- Bioorganic Research Institute, Suntory Foundation for Life Sciences, 8-1-1 Seikadai, Seika-cho, Soraku-gun, Kyoto, 619-0284, Japan
| | - Ryota Sato
- Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| | - Sangita Karanjit
- Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| | - Kosuke Namba
- Pharmaceutical Sciences, Tokushima University, 1-78-1 Shomachi, Tokushima, 770-8505, Japan
| |
Collapse
|
4
|
Fan Y, Wang L, Putnis CV, Zhang W. Direct Nanoscale Imaging Reveals the Mechanism by Which Organic Acids Dissolve Vivianite through Proton and Ligand Effects. Inorg Chem 2024; 63:6909-6921. [PMID: 38564449 DOI: 10.1021/acs.inorgchem.4c00353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
The coprecipitation of iron (Fe) and phosphorus (P) in natural environments limits their bioavailability. Plant root-secreted organic acids can dissolve Fe-P precipitates, but the molecular mechanism underlying mobilizing biogenic elements from highly insoluble inorganic minerals remains poorly understood. Here, we investigated vivianite (Fe3(PO4)2·8H2O) dissolution by organic acids (oxalic acid (OA), citric acid (CA), and 2'-dehydroxymugineic acid (DMA)) at three different pH values (4.0, 6.0, and 8.0). With increasing pH, the vivianite dissolution efficiency by OA and CA was decreased while that by DMA was increased, indicating various dissolution mechanisms of different organic acids. Under acidic conditions, weak ligand OA (HC2O4- > C2O42- at pH 4.0 and C2O42- at pH 6.0) dissolved vivianite through the H+ effect to form irregular pits, but under alkaline condition (pH 8.0), the completely deprotonated OA was insufficient to dissolve vivianite. At pH 4.0, CA (H2Cit- > HCit2- > H3Cit) dissolved vivianite to form irregular pits through a proton-promoted mechanism, while at pH 6.0 (HCit2- > Cit3-) and pH 8.0 (Cit3-), CA dissolved vivianite to form near-rhombohedral pits through a ligand-promoted mechanism. At three pH values ((H0)DMA3- > (H1)DMA2- at pH 4.0, (H0)DMA3- at pH 6.0, and (H0)DMA3- and one deprotonated imino at pH 8.0), strong ligand DMA dissolved vivianite to form near-rhombohedral pits via ligand-promoted mechanisms. Raman spectroscopy showed that the deprotonated carboxyl groups (COO-) and imino groups were bound to Fe on the vivianite (010) face. The surface free energy of vivianite coated with OA decreased from 29.32 mJ m-2 to 24.23 mJ m-2 and then to 13.47 mJ m-2 with increasing pH, and that coated with CA resulted in a similar pH-dependent vivianite surface free-energy decrease while that coated with DMA increased the vivianite surface free energy from 31.92 mJ m-2 to 39.26 mJ m-2 and then to 49.93 mJ m-2. Density functional theory (DFT)-based calculations confirmed these findings. Our findings provide insight into the mechanism by which organic acids dissolved vivianite through proton and ligand effects.
Collapse
Affiliation(s)
- Yuke Fan
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Lijun Wang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Christine V Putnis
- Institut für Mineralogie, University of Münster, 48149 Münster, Germany
- School of Molecular and Life Sciences, Curtin University, Perth 6845, Australia
| | - Wenjun Zhang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| |
Collapse
|
5
|
Kashyap S, Agarwala N, Sunkar R. Understanding plant stress memory traits can provide a way for sustainable agriculture. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 340:111954. [PMID: 38092267 DOI: 10.1016/j.plantsci.2023.111954] [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: 07/26/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 01/01/2024]
Abstract
Being sessile, plants encounter various biotic and abiotic threats in their life cycle. To minimize the damages caused by such threats, plants have acquired sophisticated response mechanisms. One major such response includes memorizing the encountered stimuli in the form of a metabolite, hormone, protein, or epigenetic marks. All of these individually as well as together, facilitate effective transcriptional and post-transcriptional responses upon encountering the stress episode for a second time during the life cycle and in some instances even in the future generations. This review attempts to highlight the recent advances in the area of plant memory. A detailed understanding of plant memory has the potential to offer solutions for developing climate-resilient crops for sustainable agriculture.
Collapse
Affiliation(s)
- Sampurna Kashyap
- Department of Botany, Gauhati University, Gopinath Bordoloi Nagar, Jalukbari, Guwahati, Assam, 781014, India
| | - Niraj Agarwala
- Department of Botany, Gauhati University, Gopinath Bordoloi Nagar, Jalukbari, Guwahati, Assam, 781014, India.
| | - Ramanjulu Sunkar
- Department of Biochemistry and Molecular Biology, Oklahoma State University, Stillwater, OK, United States
| |
Collapse
|
6
|
French KS, Chukwuma E, Linshitz I, Namba K, Duckworth OW, Cubeta MA, Baars O. Inactivation of siderophore iron-chelating moieties by the fungal wheat root symbiont Pyrenophora biseptata. ENVIRONMENTAL MICROBIOLOGY REPORTS 2024; 16:e13234. [PMID: 38240404 PMCID: PMC10866069 DOI: 10.1111/1758-2229.13234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 12/28/2023] [Indexed: 02/15/2024]
Abstract
We investigated the ability of four plant and soil-associated fungi to modify or degrade siderophore structures leading to reduced siderophore iron-affinity in iron-limited and iron-replete cultures. Pyrenophora biseptata, a melanized fungus from wheat roots, was effective in inactivating siderophore iron-chelating moieties. In the supernatant solution, the tris-hydroxamate siderophore desferrioxamine B (DFOB) underwent a stepwise reduction of the three hydroxamate groups in DFOB to amides leading to a progressive loss in iron affinity. A mechanism is suggested based on the formation of transient ferrous iron followed by reduction of the siderophore hydroxamate groups during fungal high-affinity reductive iron uptake. P. biseptata also produced its own tris-hydroxamate siderophores (neocoprogen I and II, coprogen and dimerum acid) in iron-limited media and we observed loss of hydroxamate chelating groups during incubation in a manner analogous to DFOB. A redox-based reaction was also involved with the tris-catecholate siderophore protochelin in which oxidation of the catechol groups to quinones was observed. The new siderophore inactivating activity of the wheat symbiont P. biseptata is potentially widespread among fungi with implications for the availability of iron to plants and the surrounding microbiome in siderophore-rich environments.
Collapse
Affiliation(s)
- Katie S. French
- Department of Entomology and Plant PathologyNorth Carolina State University, Center for Integrated Fungal ResearchRaleighNorth CarolinaUSA
- Present address:
Department of Soil ScienceUniversity of ArkansasFayettevilleArkansasUSA
| | - Emmanuel Chukwuma
- Department of ChemistryNorth Carolina State UniversityRaleighNorth CarolinaUSA
| | - Ilan Linshitz
- Department of BiologyUniversity of MarylandCollege ParkMarylandUSA
| | - Kosuke Namba
- Department of Pharmaceutical SciencesTokushima UniversityTokushimaJapan
| | - Owen W. Duckworth
- Department of Crop and Soil SciencesNorth Carolina State UniversityRaleighNorth CarolinaUSA
| | - Marc A. Cubeta
- Department of Entomology and Plant PathologyNorth Carolina State University, Center for Integrated Fungal ResearchRaleighNorth CarolinaUSA
| | - Oliver Baars
- Department of Entomology and Plant PathologyNorth Carolina State University, Center for Integrated Fungal ResearchRaleighNorth CarolinaUSA
- Department of ChemistryNorth Carolina State UniversityRaleighNorth CarolinaUSA
| |
Collapse
|
7
|
Wang N, Wang T, Chen Y, Wang M, Lu Q, Wang K, Dou Z, Chi Z, Qiu W, Dai J, Niu L, Cui J, Wei Z, Zhang F, Kümmerli R, Zuo Y. Microbiome convergence enables siderophore-secreting-rhizobacteria to improve iron nutrition and yield of peanut intercropped with maize. Nat Commun 2024; 15:839. [PMID: 38287073 PMCID: PMC10825131 DOI: 10.1038/s41467-024-45207-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 01/17/2024] [Indexed: 01/31/2024] Open
Abstract
Intercropping has the potential to improve plant nutrition as well as crop yield. However, the exact mechanism promoting improved nutrient acquisition and the role the rhizosphere microbiome may play in this process remains poorly understood. Here, we use a peanut/maize intercropping system to investigate the role of root-associated microbiota in iron nutrition in these crops, combining microbiome profiling, strain and substance isolation and functional validation. We find that intercropping increases iron nutrition in peanut but not in maize plants and that the microbiota composition changes and converges between the two plants tested in intercropping experiments. We identify a Pseudomonas secreted siderophore, pyoverdine, that improves iron nutrition in glasshouse and field experiments. Our results suggest that the presence of siderophore-secreting Pseudomonas in peanut and maize intercropped plays an important role in iron nutrition. These findings could be used to envision future intercropping practices aiming to improve plant nutrition.
Collapse
Affiliation(s)
- Nanqi Wang
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Tianqi Wang
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Yu Chen
- Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Jiangsu Province Engineering Research Center of Eco-cultivation and High-value Utilization of Chinese Medicinal Materials, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, 210014, Nanjing, Jiangsu, China
| | - Ming Wang
- Department of Plant Pathology, The Key Laboratory of Plant Immunity, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Qiaofang Lu
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Kunguang Wang
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Zhechao Dou
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Zhiguang Chi
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Wei Qiu
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Jing Dai
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Lei Niu
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Jianyu Cui
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Zhong Wei
- Jiangsu provincial key lab for solid organic waste utilization, Key lab of organic-based fertilizers of China, Jiangsu Collaborative Innovation Center for Solid Organic Wastes, Educational Ministry Engineering Center of Resource-saving fertilizers, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Fusuo Zhang
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China
| | - Rolf Kümmerli
- Department of Quantitative Biomedicine, University of Zurich, Zurich, Switzerland
| | - Yuanmei Zuo
- College of Resources and Environmental Sciences, State Key Laboratory of Nutrient Use and Management (SKL-NUM), National Academy of Agriculture Green Development, China Agricultural University, 100193, Beijing, China.
| |
Collapse
|
8
|
Zhang M, Chang MH, Li H, Shu YJ, Bai Y, Gao JY, Zhu JX, Dong XY, Guo DL, Guo CH. MsYSL6, A Metal Transporter Gene of Alfalfa, Increases Iron Accumulation and Benefits Cadmium Resistance. PLANTS (BASEL, SWITZERLAND) 2023; 12:3485. [PMID: 37836225 PMCID: PMC10575464 DOI: 10.3390/plants12193485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/01/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023]
Abstract
Iron (Fe) is necessary for plant growth and development. The mechanism of uptake and translocation in Cadmium (Cd) is similar to iron, which shares iron transporters. Yellow stripe-like transporter (YSL) plays a pivotal role in transporting iron and other metal ions in plants. In this study, MsYSL6 and its promoter were cloned from leguminous forage alfalfa. The transient expression of MsYSL6-GFP indicated that MsYSL6 was localized to the plasma membrane and cytoplasm. The expression of MsYSL6 was induced in alfalfa by iron deficiency and Cd stress, which was further proved by GUS activity driven by the MsYSL6 promoter. To further identify the function of MsYSL6, it was heterologously overexpressed in tobacco. MsYSL6-overexpressed tobacco showed better growth and less oxidative damage than WT under Cd stress. MsYSL6 overexpression elevated Fe and Cd contents and induced a relatively high Fe translocation rate in tobacco under Cd stress. The results suggest that MsYSL6 might have a dual function in the absorption of Fe and Cd, playing a role in the competitive absorption between Fe and Cd. MsYSL6 might be a regulatory factor in plants to counter Cd stress. This study provides a novel gene for application in heavy metal enrichment or phytoremediation and new insights into plant tolerance to toxic metals.
Collapse
Affiliation(s)
| | | | | | | | | | | | | | | | - Dong-Lin Guo
- Heilongjiang Provincial Key Laboratory of Molecular Cell Genetics and Genetic Breeding, College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; (M.Z.); (M.-H.C.); (H.L.); (Y.-J.S.); (Y.B.); (J.-Y.G.); (J.-X.Z.); (X.-Y.D.)
| | - Chang-Hong Guo
- Heilongjiang Provincial Key Laboratory of Molecular Cell Genetics and Genetic Breeding, College of Life Science and Technology, Harbin Normal University, Harbin 150025, China; (M.Z.); (M.-H.C.); (H.L.); (Y.-J.S.); (Y.B.); (J.-Y.G.); (J.-X.Z.); (X.-Y.D.)
| |
Collapse
|
9
|
Pang L, Yao D, Gao F, Bian X, Zhang Y, Zhong G. Biosyntheses of azetidine-containing natural products. Org Biomol Chem 2023; 21:7242-7254. [PMID: 37642579 DOI: 10.1039/d3ob01205k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Azetidine is a four-membered polar heterocycle including a basic secondary amine, and is characterized by its high ring-strain energy, strong molecular rigidity and satisfactory stability. As a result, azetidine exhibits great challenges in its chemical synthesis and biosynthesis, which may explain the limited number of azetidine-containing natural products uncovered to date. In particular, the biosynthetic mechanisms of naturally occurring azetidines are poorly understood. Only some of them have been intensively investigated and few reviews have been published for the summarization of azetidine biosynthesis. In this review, we provide a comprehensive description of the biosyntheses of all the azetidine-containing natural products, especially the biosyntheses of azetidine moieties. We hope that this review will draw much attention to the biosynthetic research of the largely unexplored azetidine moieties as well as the discovery of novel azetidine-containing natural products in the near future.
Collapse
Affiliation(s)
- Linlin Pang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China.
| | - Daichen Yao
- School of Life Sciences, Shandong University, Qingdao 266237, China
| | - Fenghui Gao
- School of Life Sciences, Shandong University, Qingdao 266237, China
| | - Xiaoying Bian
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China.
| | - Youming Zhang
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China.
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology and Faculty of Synthetic Biology, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Guannan Zhong
- State Key Laboratory of Microbial Technology, Shandong University, Qingdao 266237, China.
- Suzhou Research Institute of Shandong University, Suzhou 215123, China
| |
Collapse
|
10
|
Liu Q, Kawai T, Inukai Y, Aoki D, Feng Z, Xiao Y, Fukushima K, Lin X, Shi W, Busch W, Matsushita Y, Li B. A lignin-derived material improves plant nutrient bioavailability and growth through its metal chelating capacity. Nat Commun 2023; 14:4866. [PMID: 37567879 PMCID: PMC10421960 DOI: 10.1038/s41467-023-40497-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 07/31/2023] [Indexed: 08/13/2023] Open
Abstract
The lignocellulosic biorefinery industry can be an important contributor to achieving global carbon net zero goals. However, low valorization of the waste lignin severely limits the sustainability of biorefineries. Using a hydrothermal reaction, we have converted sulfuric acid lignin (SAL) into a water-soluble hydrothermal SAL (HSAL). Here, we show the improvement of HSAL on plant nutrient bioavailability and growth through its metal chelating capacity. We characterize HSAL's high ratio of phenolic hydroxyl groups to methoxy groups and its capacity to chelate metal ions. Application of HSAL significantly promotes root length and plant growth of both monocot and dicot plant species due to improving nutrient bioavailability. The HSAL-mediated increase in iron bioavailability is comparable to the well-known metal chelator ethylenediaminetetraacetic acid. Therefore, HSAL promises to be a sustainable nutrient chelator to provide an attractive avenue for sustainable utilization of the waste lignin from the biorefinery industry.
Collapse
Affiliation(s)
- Qiang Liu
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, Zhejiang, China
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Tsubasa Kawai
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Yoshiaki Inukai
- International Center for Research and Education in Agriculture, Nagoya University, Nagoya, Japan
| | - Dan Aoki
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Zhihang Feng
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Yihui Xiao
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Kazuhiko Fukushima
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan
| | - Xianyong Lin
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Weiming Shi
- International Research Centre for Environmental Membrane Biology, Department of Horticulture, Foshan University, Foshan, China
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, China
| | - Wolfgang Busch
- Plant Molecular and Cellular Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Yasuyuki Matsushita
- Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan.
- Institute of Agriculture, Tokyo University of Agriculture and Technology, Fuchu-shi, Tokyo, Japan.
| | - Baohai Li
- MOE Key Laboratory of Environment Remediation and Ecological Health, College of Environmental and Resource Science, Zhejiang University, Hangzhou, Zhejiang, China.
| |
Collapse
|
11
|
Sun XD, Ma JY, Feng LJ, Duan JL, Xie XM, Zhang XH, Kong X, Ding Z, Yuan XZ. Magnetite nanoparticle coating chemistry regulates root uptake pathways and iron chlorosis in plants. Proc Natl Acad Sci U S A 2023; 120:e2304306120. [PMID: 37364127 PMCID: PMC10319022 DOI: 10.1073/pnas.2304306120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 05/31/2023] [Indexed: 06/28/2023] Open
Abstract
Understanding the fundamental interaction of nanoparticles at plant interfaces is critical for reaching field-scale applications of nanotechnology-enabled plant agriculture, as the processes between nanoparticles and root interfaces such as root compartments and root exudates remain largely unclear. Here, using iron deficiency-induced plant chlorosis as an indicator phenotype, we evaluated the iron transport capacity of Fe3O4 nanoparticles coated with citrate (CA) or polyacrylic acid (PAA) in the plant rhizosphere. Both nanoparticles can be used as a regulator of plant hormones to promote root elongation, but they regulate iron deficiency in plant in distinctive ways. In acidic root exudates secreted by iron-deficient Arabidopsis thaliana, CA-coated particles released fivefold more soluble iron by binding to acidic exudates mainly through hydrogen bonds and van der Waals forces and thus, prevented iron chlorosis more effectively than PAA-coated particles. We demonstrate through roots of mutants and visualization of pH changes that acidification of root exudates primarily originates from root tips and the synergistic mode of nanoparticle uptake and transformation in different root compartments. The nanoparticles entered the roots mainly through the epidermis but were not affected by lateral roots or root hairs. Our results show that magnetic nanoparticles can be a sustainable source of iron for preventing leaf chlorosis and that nanoparticle surface coating regulates this process in distinctive ways. This information also serves as an urgently needed theoretical basis for guiding the application of nanomaterials in agriculture.
Collapse
Affiliation(s)
- Xiao-Dong Sun
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong266237, P. R. China
- Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Jing-Ya Ma
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong266237, P. R. China
- Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Li-Juan Feng
- College of Geography and Environment, Shandong Normal University, Jinan, Shandong250014, P. R. China
| | - Jian-Lu Duan
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong266237, P. R. China
- Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Xiao-Min Xie
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong266237, P. R. China
- Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Xiao-Han Zhang
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong266237, P. R. China
- Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Xiangpei Kong
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, College of Life Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Zhaojun Ding
- The Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, College of Life Science, Shandong University, Qingdao, Shandong266237, P. R. China
| | - Xian-Zheng Yuan
- Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, Qingdao, Shandong266237, P. R. China
- Sino-French Research Institute for Ecology and Environment, Shandong University, Qingdao, Shandong266237, P. R. China
| |
Collapse
|
12
|
Ma S, Hu Y, Wang W, Zhang Q, Wang R, Nan Z. Exploring the safe utilization strategy of calcareous agricultural land irrigated with wastewater for over 50 years. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 863:160994. [PMID: 36528947 DOI: 10.1016/j.scitotenv.2022.160994] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 06/17/2023]
Abstract
The trace element (TE) contamination of farmland caused by wastewater irrigation threatens food security and food safety. We selected a typical calcareous soil area in western China that has been irrigated with wastewater for >50 years to explore safe use strategies for flax farmland contaminated by cadmium (Cd) and arsenic (As). We found that Cd and As were mainly accumulated in flax roots rather than seeds. However, regardless of the type of TE and acceptor, direct ingestion of the flaxseed would seriously endanger human health (hazard quotient >1). According to the results of redundancy analysis and Pearson correlation analysis, the concentration of Cd and As in flaxseed depended on the concentration of soil total TE, Olsen phosphorus, dissolved organic carbon, soil organic matter, and active calcium carbonate (CaCO3). This was largely because the pH and total CaCO3 content in topsoil of flax farmland decreased by 1.05 units and 37 %, respectively, compared with their background levels before wastewater irrigation. Interestingly, after pressing, Cd and As in flaxseed transferred to flaxseed oil were 3.87-10.55 % and 17.21-30.48 %, respectively, which led to an acceptable risk of adults and children (hazard quotient <1) consuming flaxseed oil. Our results suggest that with the production of flaxseed oil as the goal, the long-term wastewater-irrigated calcareous land can be safely utilized while obtaining income.
Collapse
Affiliation(s)
- Shuangjin Ma
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yahu Hu
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China.
| | - Wei Wang
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Qianqian Zhang
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Rui Wang
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| | - Zhongren Nan
- MOE Key Laboratory of Western China's Environmental Systems and Gansu Key Laboratory for Environmental Pollution Prediction and Control, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou 730000, China
| |
Collapse
|
13
|
Wang T, Wang N, Lu Q, Lang S, Wang K, Niu L, Suzuki M, Zuo Y. The active Fe chelator proline-2'-deoxymugineic acid enhances peanut yield by improving soil Fe availability and plant Fe status. PLANT, CELL & ENVIRONMENT 2023; 46:239-250. [PMID: 36207784 DOI: 10.1111/pce.14459] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 09/27/2022] [Accepted: 10/06/2022] [Indexed: 06/16/2023]
Abstract
Iron (Fe) deficiency restricts crop yields in calcareous soil. Thus, a novel Fe chelator, proline-2'-deoxymugineic acid (PDMA), based on the natural phytosiderophore 2'-deoxymugineic acid (DMA), was developed to solve the Fe deficiency problem. However, the effects and mechanisms of PDMA relevant to the Fe nutrition and yield of dicots grown under field conditions require further exploration. In this study, pot and field experiments with calcareous soil were conducted to investigate the effects of PDMA on the Fe nutrition and yield of peanuts. The results demonstrated that PDMA could dissolve insoluble Fe in the rhizosphere and up-regulate the expression of the yellow stripe-like family gene AhYSL1 to improve the Fe nutrition of peanut plants. Moreover, the chlorosis and growth inhibition caused by Fe deficiency were significantly diminished. Notably, under field conditions, the peanut yield and kernel micronutrient contents were promoted by PDMA application. Our results indicate that PDMA promotes the dissolution of insoluble Fe and a rich supply of Fe in the rhizosphere, increasing yields through integrated improvements in soil-plant Fe nutrition at the molecular and ecological levels. In conclusion, the efficacy of PDMA for improving the Fe nutrition and yield of peanut indicates its outstanding potential for agricultural applications.
Collapse
Affiliation(s)
- Tianqi Wang
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, China
| | - Nanqi Wang
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, China
| | - Qiaofang Lu
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, China
| | - Shanshan Lang
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, China
| | - Kunguang Wang
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, China
| | - Lei Niu
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, China
| | - Motofumi Suzuki
- Frontier Research and Development Division, Aichi Steel Corporation, Tokai, Japan
| | - Yuanmei Zuo
- College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, Beijing, China
| |
Collapse
|
14
|
Yamagata A, Murata Y, Namba K, Terada T, Fukai S, Shirouzu M. Uptake mechanism of iron-phytosiderophore from the soil based on the structure of yellow stripe transporter. Nat Commun 2022; 13:7180. [PMID: 36424382 PMCID: PMC9691689 DOI: 10.1038/s41467-022-34930-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 11/11/2022] [Indexed: 11/27/2022] Open
Abstract
Calcareous soils cover one-third of all land and cause severe growth defects in plants due to the poor water solubility of iron at high pH. Poaceae species use a unique chelation strategy, whereby plants secrete a high-affinity metal chelator, known as phytosiderophores (mugineic acids), and reabsorb the iron-phytosiderophore complex by the yellow stripe 1/yellow stripe 1-like (YS1/YSL) transporter for efficient uptake of iron from the soil. Here, we present three cryo-electron microscopy structures of barley YS1 (HvYS1) in the apo state, in complex with an iron-phytosiderophore complex, Fe(III)-deoxymugineic acid (Fe(III)-DMA), and in complex with the iron-bound synthetic DMA analog (Fe(III)-PDMA). The structures reveal a homodimeric assembly mediated through an anti-parallel β-sheet interaction with cholesterol hemisuccinate. Each protomer adopts an outward open conformation, and Fe(III)-DMA is bound near the extracellular space in the central cavity. Fe(III)-PDMA occupies the same binding site as Fe(III)-DMA, demonstrating that PDMA can function as a potent fertilizer in an essentially identical manner to DMA. Our results provide a structural framework for iron-phytosiderophore recognition and transport by YS1/YSL transporters, which will enable the rational design of new, high-potency fertilizers.
Collapse
Affiliation(s)
- Atsushi Yamagata
- grid.508743.dLaboratory for Protein Functional and Structural Biology, RIKEN Center for Biosystems Dynamics Research, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa Japan
| | - Yoshiko Murata
- grid.505709.e0000 0004 4672 7432Bioorganic Research Institute, Suntory Foundation for Life Sciences, 8-1-1 Seikadai, Seika-cho, Soraku-gun, Kyoto, Japan
| | - Kosuke Namba
- grid.267335.60000 0001 1092 3579Department of Pharmaceutical Sciences, Tokushima University, 1-78-1 Shoumachi, Tokushima-shi, Tokushima, Japan
| | - Tohru Terada
- grid.26999.3d0000 0001 2151 536XDepartment of Biotechnology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo Japan
| | - Shuya Fukai
- grid.258799.80000 0004 0372 2033Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, Japan
| | - Mikako Shirouzu
- grid.508743.dLaboratory for Protein Functional and Structural Biology, RIKEN Center for Biosystems Dynamics Research, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa Japan
| |
Collapse
|
15
|
Saavedra T, Gama F, Rodrigues MA, Abadía J, de Varennes A, Pestana M, Da Silva JP, Correia PJ. Effects of foliar application of organic acids on strawberry plants. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2022; 188:12-20. [PMID: 35963050 DOI: 10.1016/j.plaphy.2022.08.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 08/01/2022] [Accepted: 08/03/2022] [Indexed: 06/15/2023]
Abstract
The large economic costs and environmental impacts of iron-chelate treatments has led to the search for alternative methods and compounds to control iron (Fe) deficiency chlorosis. Strawberry plants (Fragaria x ananassa) were grown in Hoagland's nutrient solution in a greenhouse with two levels of Fe: 0 and 10 μM Fe(III)-EDDHA. After 20 days, plants growing without Fe showed typical symptoms of Fe deficiency chlorosis in young leaves. Then, the adaxial and abaxial sides of one mature or one young leaf in each plant were brushed with 10 mM malic (MA), citric (CA) or succinic (SA) acids. Eight applications were done over a two-week period. At the end of the experiment, the newly emerged (therefore untreated), young and mature leaves were sampled for nutritional and metabolomic analysis, to assess the effectiveness of treatments. Leaf regreening was monitored using a SPAD-502 apparatus, and the activity of the ferric chelate-reductase activity (FCR) was measured using root tips. Iron deficiency negatively affected biomass and leaf chlorophyll but did not increase FCR activity. Application of succinic acid alleviated the decrease in chlorophyll observed in other treatments, and the overall nutritional balance in the plant was also changed. The concentrations of two quinic acid derivatives increased under Fe deficiency and decreased in plants treated with succinic acid, and thus they are proposed as Fe stress markers. Data suggest that foliage treatments with carboxylates may be, in some cases, environmentally friendly alternatives to Fe(III)-chelates. The importance of Fe mobilization pathways in the formulation of new fertilizers is also discussed.
Collapse
Affiliation(s)
- Teresa Saavedra
- MED - Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Faculty of Science and Technology, Building 8, University of Algarve, Campus of Gambelas, 8005-139, Faro, Portugal; Centre of Marine Sciences (CCMAR/CIMAR LA), University of Algarve, Campus of Gambelas, 8005-139, Faro, Portugal.
| | - Florinda Gama
- MED - Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Faculty of Science and Technology, Building 8, University of Algarve, Campus of Gambelas, 8005-139, Faro, Portugal
| | - Maria A Rodrigues
- Centre of Marine Sciences (CCMAR/CIMAR LA), University of Algarve, Campus of Gambelas, 8005-139, Faro, Portugal
| | - Javier Abadía
- Estación Experimental de Aula Dei, CSIC, Plant Biology Department, Av. Montañana 1005, Zaragoza, E-50059, Spain
| | - Amarilis de Varennes
- Instituto Superior de Agronomia, University of Lisbon, Tapada da Ajuda, 1349-017, Lisbon, Portugal
| | - Maribela Pestana
- MED - Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Faculty of Science and Technology, Building 8, University of Algarve, Campus of Gambelas, 8005-139, Faro, Portugal
| | - José Paulo Da Silva
- Centre of Marine Sciences (CCMAR/CIMAR LA), University of Algarve, Campus of Gambelas, 8005-139, Faro, Portugal
| | - Pedro José Correia
- MED - Mediterranean Institute for Agriculture, Environment and Development & CHANGE-Global Change and Sustainability Institute, Faculty of Science and Technology, Building 8, University of Algarve, Campus of Gambelas, 8005-139, Faro, Portugal
| |
Collapse
|
16
|
Jing J, Cong WF, Bezemer TM. Legacies at work: plant-soil-microbiome interactions underpinning agricultural sustainability. TRENDS IN PLANT SCIENCE 2022; 27:781-792. [PMID: 35701291 DOI: 10.1016/j.tplants.2022.05.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 03/29/2022] [Accepted: 05/11/2022] [Indexed: 06/15/2023]
Abstract
Agricultural intensification has had long-lasting negative legacies largely because of excessive inputs of agrochemicals (e.g., fertilizers) and simplification of cropping systems (e.g., continuous monocropping). Conventional agricultural management focuses on suppressing these negative legacies. However, there is now increasing attention for creating positive above- and belowground legacies through selecting crop species/genotypes, optimizing temporal and spatial crop combinations, improving nutrient inputs, developing intelligent fertilizers, and applying soil or microbiome inoculations. This can lead to enhanced yields and reduced pest and disease pressure in cropping systems, and can also mitigate greenhouse gas emissions and enhance carbon sequestration in soils. Strengthening positive legacies requires a deeper understanding of plant-soil-microbiome interactions and innovative crop, input, and soil management which can help to achieve agricultural sustainability.
Collapse
Affiliation(s)
- Jingying Jing
- College of Grass Science and Technology, China Agricultural University, 100193 Beijing, China.
| | - Wen-Feng Cong
- College of Resources and Environmental Sciences, Laboratory of Plant-Soil Interactions, Ministry of Education, National Observation and Research Station of Agriculture Green Development at Quzhou, China Agricultural University, 100193 Beijing, China.
| | - T Martijn Bezemer
- Institute of Biology, Above-Belowground Interactions Group, Leiden University, 2333 BE Leiden, The Netherlands; Department of Terrestrial Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, The Netherlands
| |
Collapse
|
17
|
Vélez-Bermúdez IC, Schmidt W. How Plants Recalibrate Cellular Iron Homeostasis. PLANT & CELL PHYSIOLOGY 2022; 36:154-162. [PMID: 35048128 DOI: 10.1093/pcp/pcab166] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 11/01/2021] [Accepted: 11/19/2021] [Indexed: 05/16/2023]
Abstract
Insufficient iron supply poses severe constraints on plants, restricting species with inefficient iron uptake mechanisms from habitats with low iron availability and causing yield losses in agricultural ecosystems. Iron deficiency also poses a severe threat on human health. Anemia resulting from insufficient iron intake is affecting one of four people in the world. It is, therefore, imperative to understand the mechanisms by which plants acquire iron against a huge soil-cell gradient and how iron is distributed within the plant to develop strategies that increase its concentration in edible plant parts. Research into the processes that are employed by plants to adjust cellular iron homeostasis revealed an astonishingly complex puzzle of signaling nodes and circuits, which are intertwined with the perception and communication of other environmental cues such as pathogens, light, nutrient availability and edaphic factors such as pH. In a recent Spotlight issue in this journal, a collection of review articles summarized the state-of-the-art in plant iron research, covering the most active and, debatably, most important topics in this field. Here, we highlight breakthroughs that were reported after the publication date of this review collection, focusing on exciting and potentially influential studies that have changed our understanding of plant iron nutrition.
Collapse
Affiliation(s)
| | - Wolfgang Schmidt
- Institute of Plant and Microbial Biology, Academia Sinica, 128 Academia Road, Taipei 11529, Taiwan
- Biotechnology Center, National Chung-Hsing University, 250 Kuo-Kuang Road, Taichung 40227, Taiwan
- Genome and Systems Biology Degree Program, College of Life Science, National Taiwan University, 1 Roosevelt Road, Taipei 10617, Taiwan
| |
Collapse
|
18
|
Bashir K, Ishimaru Y. Challenges and opportunities to regulate mineral transport in rice. Biosci Biotechnol Biochem 2021; 86:12-22. [PMID: 34661659 DOI: 10.1093/bbb/zbab180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 10/06/2021] [Indexed: 11/13/2022]
Abstract
Iron (Fe) is an essential mineral for plants, and its deficiency as well as toxicity severely affects plant growth and development. Although Fe is ubiquitous in mineral soils, its acquisition by plants is difficult to regulate particularly in acidic and alkaline soils. Under alkaline conditions, where lime is abundant, Fe and other mineral elements are sparingly soluble. In contrast, under low pH conditions, especially in paddy fields, Fe toxicity could occur. Fe uptake is complicated and could be integrated with copper (Cu), manganese (Mn), zinc (Zn), and cadmium (Cd) uptake. Plants have developed sophisticated mechanisms to regulate the Fe uptake from soil and its transport to root and above-ground parts. Here, we review recent developments in understanding metal transport and discuss strategies to effectively regulate metal transport in plants with a particular focus on rice.
Collapse
Affiliation(s)
- Khurram Bashir
- Department of Biology, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences, Lahore, Pakistan
| | - Yasuhiro Ishimaru
- Department of Biomolecular Engineering, Tohoku University, Aoba-ku, Sendai, Japan
| |
Collapse
|