1
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Zhao B, Jia X, Yu N, Murray JD, Yi K, Wang E. Microbe-dependent and independent nitrogen and phosphate acquisition and regulation in plants. THE NEW PHYTOLOGIST 2024; 242:1507-1522. [PMID: 37715479 DOI: 10.1111/nph.19263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/30/2023] [Indexed: 09/17/2023]
Abstract
Nitrogen (N) and phosphorus (P) are the most important macronutrients required for plant growth and development. To cope with the limited and uneven distribution of N and P in complicated soil environments, plants have evolved intricate molecular strategies to improve nutrient acquisition that involve adaptive root development, production of root exudates, and the assistance of microbes. Recently, great advances have been made in understanding the regulation of N and P uptake and utilization and how plants balance the direct uptake of nutrients from the soil with the nutrient acquisition from beneficial microbes such as arbuscular mycorrhiza. Here, we summarize the major advances in these areas and highlight plant responses to changes in nutrient availability in the external environment through local and systemic signals.
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Affiliation(s)
- Boyu Zhao
- Key Laboratory of Bio-resource and Eco-environment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu, 610065, China
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, SIBS, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Xianqing Jia
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Nan Yu
- Shanghai Key Laboratory of Plant Molecular Sciences, College of Life Sciences, Shanghai Normal University, Shanghai, 200234, China
| | - Jeremy D Murray
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, SIBS, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Keke Yi
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Ertao Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, SIBS, Chinese Academy of Sciences, Shanghai, 200032, China
- School of Life Science and Technology, ShanghaiTech University, Shanghai, 201210, China
- New Cornerstone Science Laboratory, Shenzhen, 518054, China
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2
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Yang SY, Lin WY, Hsiao YM, Chiou TJ. Milestones in understanding transport, sensing, and signaling of the plant nutrient phosphorus. THE PLANT CELL 2024; 36:1504-1523. [PMID: 38163641 PMCID: PMC11062440 DOI: 10.1093/plcell/koad326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 11/03/2023] [Accepted: 12/19/2023] [Indexed: 01/03/2024]
Abstract
As an essential nutrient element, phosphorus (P) is primarily acquired and translocated as inorganic phosphate (Pi) by plant roots. Pi is often sequestered in the soil and becomes limited for plant growth. Plants have developed a sophisticated array of adaptive responses, termed P starvation responses, to cope with P deficiency by improving its external acquisition and internal utilization. Over the past 2 to 3 decades, remarkable progress has been made toward understanding how plants sense and respond to changing environmental P. This review provides an overview of the molecular mechanisms that regulate or coordinate P starvation responses, emphasizing P transport, sensing, and signaling. We present the major players and regulators responsible for Pi uptake and translocation. We then introduce how P is perceived at the root tip, how systemic P signaling is operated, and the mechanisms by which the intracellular P status is sensed and conveyed. Additionally, the recent exciting findings about the influence of P on plant-microbe interactions are highlighted. Finally, the challenges and prospects concerning the interplay between P and other nutrients and strategies to enhance P utilization efficiency are discussed. Insights obtained from this knowledge may guide future research endeavors in sustainable agriculture.
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Affiliation(s)
- Shu-Yi Yang
- Institute of Plant Biology, National Taiwan University, Taipei 106319, Taiwan
| | - Wei-Yi Lin
- Department of Agronomy, National Taiwan University, Taipei 106319, Taiwan
| | - Yi-Min Hsiao
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115201, Taiwan
| | - Tzyy-Jen Chiou
- Agricultural Biotechnology Research Center, Academia Sinica, Taipei 115201, Taiwan
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3
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Nussaume L, Kanno S. Reviewing impacts of biotic and abiotic stresses on the regulation of phosphate homeostasis in plants. JOURNAL OF PLANT RESEARCH 2024; 137:297-306. [PMID: 38517656 DOI: 10.1007/s10265-024-01533-4] [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: 09/15/2023] [Accepted: 02/07/2024] [Indexed: 03/24/2024]
Abstract
Adapting to varying phosphate levels in the environment is vital for plant growth. The PHR1 phosphate starvation response transcription factor family, along with SPX inhibitors, plays a pivotal role in plant phosphate responses. However, this regulatory hub intricately links with diverse biotic and abiotic signaling pathways, as outlined in this review. Understanding these intricate networks is crucial, not only on a fundamental level but also for practical applications, such as enhancing sustainable agriculture and optimizing fertilizer efficiency. This comprehensive review explores the multifaceted connections between phosphate homeostasis and environmental stressors, including various biotic factors, such as symbiotic mycorrhizal associations and beneficial root-colonizing fungi. The complex coordination between phosphate starvation responses and the immune system are explored, and the relationship between phosphate and nitrate regulation in agriculture are discussed. Overall, this review highlights the complex interactions governing phosphate homeostasis in plants, emphasizing its importance for sustainable agriculture and nutrient management to contribute to environmental conservation.
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Affiliation(s)
- Laurent Nussaume
- Aix Marseille Univ, CEA, CNRS, BIAM, UMR7265, EBMP, 13115, Saint‑Paul Lez Durance, France.
| | - Satomi Kanno
- Institute for Advanced Research, Nagoya University, 1-1-1, Furocho, Chikusaku, Nagoya, Aichi, 464-8601, Japan
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4
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Singh K, Gupta S, Singh AP. Review: Nutrient-nutrient interactions governing underground plant adaptation strategies in a heterogeneous environment. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 342:112024. [PMID: 38325661 DOI: 10.1016/j.plantsci.2024.112024] [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: 09/16/2023] [Revised: 12/20/2023] [Accepted: 02/01/2024] [Indexed: 02/09/2024]
Abstract
Plant growth relies on the mineral nutrients present in the rhizosphere. The distribution of nutrients in soils varies depending on their mobility and capacity to bind with soil particles. Consequently, plants often encounter either low or high levels of nutrients in the rhizosphere. Plant roots are the essential organs that sense changes in soil mineral content, leading to the activation of signaling pathways associated with the adjustment of plant architecture and metabolic responses. During differential availability of minerals in the rhizosphere, plants trigger adaptation strategies such as cellular remobilization of minerals, secretion of organic molecules, and the attenuation or enhancement of root growth to balance nutrient uptake. The interdependency, availability, and uptake of minerals, such as phosphorus (P), iron (Fe), zinc (Zn), potassium (K), nitrogen (N) forms, nitrate (NO3-), and ammonium (NH4+), modulate the root architecture and metabolic functioning of plants. Here, we summarized the interactions of major nutrients (N, P, K, Fe, Zn) in shaping root architecture, physiological responses, genetic components involved, and address the current challenges associated with nutrient-nutrient interactions. Furthermore, we discuss the major gaps and opportunities in the field for developing plants with improved nutrient uptake and use efficiency for sustainable agriculture.
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Affiliation(s)
- Kratika Singh
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, India
| | - Shreya Gupta
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, India
| | - Amar Pal Singh
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, India.
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5
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Kanno S, Nussaume L. Update of phosphate transport regulations. JOURNAL OF PLANT RESEARCH 2024; 137:293-295. [PMID: 38700602 DOI: 10.1007/s10265-024-01544-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2024]
Affiliation(s)
- Satomi Kanno
- Institute for Advanced Research, Nagoya University, 1‑1‑1, Furocho, Chikusaku, Nagoya, Aichi, 464‑8601, Japan
| | - Laurent Nussaume
- Aix Marseille Univ, CEA, CNRS, BIAM, UMR7265, EBMP, 13115, Saint‑Paul Lez Durance, France.
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6
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DeLoose M, Clúa J, Cho H, Zheng L, Masmoudi K, Desnos T, Krouk G, Nussaume L, Poirier Y, Rouached H. Recent advances in unraveling the mystery of combined nutrient stress in plants. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 117:1764-1780. [PMID: 37921230 DOI: 10.1111/tpj.16511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/05/2023] [Accepted: 10/11/2023] [Indexed: 11/04/2023]
Abstract
Efficiently regulating growth to adapt to varying resource availability is crucial for organisms, including plants. In particular, the acquisition of essential nutrients is vital for plant development, as a shortage of just one nutrient can significantly decrease crop yield. However, plants constantly experience fluctuations in the presence of multiple essential mineral nutrients, leading to combined nutrient stress conditions. Unfortunately, our understanding of how plants perceive and respond to these multiple stresses remains limited. Unlocking this mystery could provide valuable insights and help enhance plant nutrition strategies. This review focuses specifically on the regulation of phosphorous homeostasis in plants, with a primary emphasis on recent studies that have shed light on the intricate interactions between phosphorous and other essential elements, such as nitrogen, iron, and zinc, as well as non-essential elements like aluminum and sodium. By summarizing and consolidating these findings, this review aims to contribute to a better understanding of how plants respond to and cope with combined nutrient stress.
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Affiliation(s)
- Megan DeLoose
- The Plant Resilience Institute, Michigan State University, East Lansing, Michigan, 48824, USA
- Department of Plant, Soil, and Microbial Sciences, Michigan State University, East Lansing, Michigan, 48824, USA
| | - Joaquin Clúa
- Department of Plant Molecular Biology, University of Lausanne, Biophore Building, 1015, Lausanne, Switzerland
| | - Huikyong Cho
- The Plant Resilience Institute, Michigan State University, East Lansing, Michigan, 48824, USA
- Department of Plant, Soil, and Microbial Sciences, Michigan State University, East Lansing, Michigan, 48824, USA
| | - Luqing Zheng
- College of Life Sciences, Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China
| | - Khaled Masmoudi
- Department of Integrative Agriculture, College of Agriculture and Veterinary Medicine, United Arab Emirates University, Al-Ain, Abu Dhabi, United Arab Emirates
| | - Thierry Desnos
- Aix Marseille Univ, CEA, CNRS, BIAM, EBMP, UMR7265, Cité des énergies, 13115, Saint-Paul-lez-Durance, France
| | - Gabriel Krouk
- IPSiM, Univ. Montpellier, CNRS, INRAE, Montpellier, France
| | - Laurent Nussaume
- Aix Marseille Univ, CEA, CNRS, BIAM, EBMP, UMR7265, Cité des énergies, 13115, Saint-Paul-lez-Durance, France
| | - Yves Poirier
- Department of Plant Molecular Biology, University of Lausanne, Biophore Building, 1015, Lausanne, Switzerland
| | - Hatem Rouached
- The Plant Resilience Institute, Michigan State University, East Lansing, Michigan, 48824, USA
- Department of Plant, Soil, and Microbial Sciences, Michigan State University, East Lansing, Michigan, 48824, USA
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7
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Yang WT, Bae KD, Lee SW, Jung KH, Moon S, Basnet P, Choi IY, Um T, Kim DH. The MYB-CC Transcription Factor PHOSPHATE STARVATION RESPONSE-LIKE 7 (PHL7) Functions in Phosphate Homeostasis and Affects Salt Stress Tolerance in Rice. PLANTS (BASEL, SWITZERLAND) 2024; 13:637. [PMID: 38475483 DOI: 10.3390/plants13050637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 02/21/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024]
Abstract
Inorganic phosphate (Pi) homeostasis plays an important role in plant growth and abiotic stress tolerance. Several MYB-CC transcription factors involved in Pi homeostasis have been identified in rice (Oryza sativa). PHOSPHATE STARVATION RESPONSE-LIKE 7 (PHL7) is a class II MYC-CC protein, in which the MYC-CC domain is located at the N terminus. In this study, we established that OsPHL7 is localized to the nucleus and that the encoding gene is induced by Pi deficiency. The Pi-responsive genes and Pi transporter genes are positively regulated by OsPHL7. The overexpression of OsPHL7 enhanced the tolerance of rice plants to Pi starvation, whereas the RNA interference-based knockdown of this gene resulted in increased sensitivity to Pi deficiency. Transgenic rice plants overexpressing OsPHL7 produced more roots than wild-type plants under both Pi-sufficient and Pi-deficient conditions and accumulated more Pi in the shoots and roots. In addition, the overexpression of OsPHL7 enhanced rice tolerance to salt stress. Together, these results demonstrate that OsPHL7 is involved in the maintenance of Pi homeostasis and enhances tolerance to Pi deficiency and salt stress in rice.
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Affiliation(s)
- Won Tae Yang
- College of Life Science and Natural Resources, Dong-A University, Busan 49315, Republic of Korea
| | - Ki Deuk Bae
- College of Life Science and Natural Resources, Dong-A University, Busan 49315, Republic of Korea
| | - Seon-Woo Lee
- College of Life Science and Natural Resources, Dong-A University, Busan 49315, Republic of Korea
| | - Ki Hong Jung
- Graduate School of Green-Bio Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Sunok Moon
- Graduate School of Green-Bio Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Prakash Basnet
- Department of Agriculture and Life Industry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ik-Young Choi
- Department of Agriculture and Life Industry, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Taeyoung Um
- Department of Agriculture and Life Science Institute, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Doh Hoon Kim
- College of Life Science and Natural Resources, Dong-A University, Busan 49315, Republic of Korea
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8
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Taleski M, Jin M, Chapman K, Taylor K, Winning C, Frank M, Imin N, Djordjevic MA. CEP hormones at the nexus of nutrient acquisition and allocation, root development, and plant-microbe interactions. JOURNAL OF EXPERIMENTAL BOTANY 2024; 75:538-552. [PMID: 37946363 PMCID: PMC10773996 DOI: 10.1093/jxb/erad444] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 11/04/2023] [Indexed: 11/12/2023]
Abstract
A growing understanding is emerging of the roles of peptide hormones in local and long-distance signalling that coordinates plant growth and development as well as responses to the environment. C-TERMINALLY ENCODED PEPTIDE (CEP) signalling triggered by its interaction with CEP RECEPTOR 1 (CEPR1) is known to play roles in systemic nitrogen (N) demand signalling, legume nodulation, and root system architecture. Recent research provides further insight into how CEP signalling operates, which involves diverse downstream targets and interactions with other hormone pathways. Additionally, there is emerging evidence of CEP signalling playing roles in N allocation, root responses to carbon levels, the uptake of other soil nutrients such as phosphorus and sulfur, root responses to arbuscular mycorrhizal fungi, plant immunity, and reproductive development. These findings suggest that CEP signalling more broadly coordinates growth across the whole plant in response to diverse environmental cues. Moreover, CEP signalling and function appear to be conserved in angiosperms. We review recent advances in CEP biology with a focus on soil nutrient uptake, root system architecture and organogenesis, and roles in plant-microbe interactions. Furthermore, we address knowledge gaps and future directions in this research field.
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Affiliation(s)
- Michael Taleski
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
| | - Marvin Jin
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
| | - Kelly Chapman
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
| | - Katia Taylor
- CSIRO Agriculture and Food, Canberra, ACT, 2601, Australia
| | - Courtney Winning
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
| | - Manuel Frank
- Department of Molecular Biology and Genetics, Aarhus University, 8000 Aarhus, Denmark
| | - Nijat Imin
- School of Science, Western Sydney University, Penrith, New South Wales 2751, Australia
| | - Michael A Djordjevic
- Division of Plant Sciences, Research School of Biology, College of Science, The Australian National University, Canberra, ACT, 2601Australia
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9
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Houmani H, Corpas FJ. Can nutrients act as signals under abiotic stress? PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 206:108313. [PMID: 38171136 DOI: 10.1016/j.plaphy.2023.108313] [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: 08/26/2023] [Revised: 12/11/2023] [Accepted: 12/23/2023] [Indexed: 01/05/2024]
Abstract
Plant cells are in constant communication to coordinate development processes and environmental reactions. Under stressful conditions, such communication allows the plant cells to adjust their activities and development. This is due to intercellular signaling events which involve several components. In plant development, cell-to-cell signaling is ensured by mobile signals hormones, hydrogen peroxide (H2O2), nitric oxide (NO), or hydrogen sulfide (H2S), as well as several transcription factors and small RNAs. Mineral nutrients, including macro and microelements, are determinant factors for plant growth and development and are, currently, recognized as potential signal molecules. This review aims to highlight the role of nutrients, particularly calcium, potassium, magnesium, nitrogen, phosphorus, and iron as signaling components with special attention to the mechanism of response against stress conditions.
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Affiliation(s)
- Hayet Houmani
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Stress, Development and Signaling in Plants, Estación Experimental del Zaidín (Spanish National Research Council, CSIC), C/Profesor Albareda, 1, 18008, Granada, Spain; Laboratory of Extremophile Plants, Center of Biotechnology of Borj Cedria, PO Box 901, 2050, Hammam-Lif, Tunisia
| | - Francisco J Corpas
- Group of Antioxidants, Free Radicals and Nitric Oxide in Biotechnology, Food and Agriculture, Department of Stress, Development and Signaling in Plants, Estación Experimental del Zaidín (Spanish National Research Council, CSIC), C/Profesor Albareda, 1, 18008, Granada, Spain.
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10
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Sun Y, Zhang F, Wei J, Song K, Sun L, Yang Y, Qin Q, Yang S, Li Z, Xu G, Sun S, Xue Y. Phosphate Transporter OsPT4, Ubiquitinated by E3 Ligase OsAIRP2, Plays a Crucial Role in Phosphorus and Nitrogen Translocation and Consumption in Germinating Seed. RICE (NEW YORK, N.Y.) 2023; 16:54. [PMID: 38052756 PMCID: PMC10697913 DOI: 10.1186/s12284-023-00666-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/18/2023] [Indexed: 12/07/2023]
Abstract
Phosphorus (P) and nitrogen (N) are essential macronutrients necessary for plant growth and development. OsPT4 is a high-affinity phosphate (Pi) transporter that has a positive impact on nutrient uptake and seed development. In this study, the expression patterns of different Pi transporter genes in germinating seeds were determined, and the relative expression of OsPT4 was induced in Pi-deficient seeds and gradually increased with the passage of germination time. The analysis of P, N, Pi, and amino acid concentrations in germinating seeds of OsPT4 mutants showed that the OsPT4 mutation caused P and N retention and a continuous reduction in multiple amino acid concentrations in germinating seeds. Transcriptome analysis and qRT-PCR results also indicated that the OsPT4 mutation inhibits the expression of genes related to P and N transportation and amino acid synthesis in germinating seeds. In addition, the paraffin section and TUNEL assay of OsPT4 mutant germinating seeds suggests that OsPT4 mutation causes programmed cell death (PCD) delayed in the aleurone layer and inhibition of leaf outgrowth. Moreover, we also found that OsPT4 was ubiquitinated by OsAIRP2, which is a C3HC4-type RING E3 Ub ligase. Our studies illustrate that OsPT4 plays a crucial role in P and N collaborative translocation and consumption in germinating seeds. It also provides a theoretical basis for the molecules and physiological mechanisms of P and N cross-talk under suppressed Pi uptake conditions.
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Affiliation(s)
- Yafei Sun
- Institute of Eco-Environment and Plant Protection, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Fang Zhang
- Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Ministry of Education, Jiangxi Key Laboratory of Crop Physiology, Ecology and Genetic Breeding, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Jia Wei
- Jilin Provincial Key Laboratory of Agricultural Biotechnology, Jilin Academy of Agricultural Sciences, Changchun, 130033, China
| | - Ke Song
- Institute of Eco-Environment and Plant Protection, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Lijuan Sun
- Institute of Eco-Environment and Plant Protection, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Yang Yang
- Institute of Eco-Environment and Plant Protection, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, 201306, China
| | - Qin Qin
- Institute of Eco-Environment and Plant Protection, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Shiyan Yang
- Institute of Eco-Environment and Plant Protection, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
- Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Zhouwen Li
- Institute of Eco-Environment and Plant Protection, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China
| | - Guohua Xu
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Shubin Sun
- State Key Laboratory of Crop Genetics and Germplasm Enhancement, Key Laboratory of Plant Nutrition and Fertilization in Low-Middle Reaches of the Yangtze River, Ministry of Agriculture, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Yong Xue
- Institute of Eco-Environment and Plant Protection, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
- Shanghai Key Laboratory of Protected Horticultural Technology, Shanghai Academy of Agricultural Sciences, Shanghai, 201403, China.
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11
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Khan MIR, Nazir F, Maheshwari C, Chopra P, Chhillar H, Sreenivasulu N. Mineral nutrients in plants under changing environments: A road to future food and nutrition security. THE PLANT GENOME 2023; 16:e20362. [PMID: 37480222 DOI: 10.1002/tpg2.20362] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 04/25/2023] [Accepted: 05/20/2023] [Indexed: 07/23/2023]
Abstract
Plant nutrition is an important aspect that contributes significantly to sustainable agriculture, whereas minerals enrichment in edible source implies global human health; hence, both strategies need to be bridged to ensure "One Health" strategies. Abiotic stress-induced nutritional imbalance impairs plant growth. In this context, we discuss the molecular mechanisms related to the readjustment of nutrient pools for sustained plant growth under harsh conditions, and channeling the minerals to edible source (seeds) to address future nutritional security. This review particularly highlights interventions on (i) the physiological and molecular responses of mineral nutrients in crop plants under stressful environments; (ii) the deployment of breeding and biotechnological strategies for the optimization of nutrient acquisition, their transport, and distribution in plants under changing environments. Furthermore, the present review also infers the recent advancements in breeding and biotechnology-based biofortification approaches for nutrient enhancement in crop plants to optimize yield and grain mineral concentrations under control and stress-prone environments to address food and nutritional security.
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Affiliation(s)
| | - Faroza Nazir
- Department of Botany, Jamia Hamdard, New Delhi, India
| | - Chirag Maheshwari
- Division of Biochemistry, ICAR-Indian Agricultural Research Institute, New Delhi, India
| | | | | | - Nese Sreenivasulu
- Consumer-Driven Grain Quality and Nutrition Center, Rice Breeding and Innovation Platform, International Rice Research Institute, Los Banos, Philippines
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12
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Safi A, Smagghe W, Gonçalves A, Wang Q, Xu K, Fernandez AI, Cappe B, Riquet FB, Mylle E, Eeckhout D, De Winne N, Van De Slijke E, Persyn F, Persiau G, Van Damme D, Geelen D, De Jaeger G, Beeckman T, Van Leene J, Vanneste S. Phase separation-based visualization of protein-protein interactions and kinase activities in plants. THE PLANT CELL 2023; 35:3280-3302. [PMID: 37378595 PMCID: PMC10473206 DOI: 10.1093/plcell/koad188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 05/23/2023] [Accepted: 06/23/2023] [Indexed: 06/29/2023]
Abstract
Protein activities depend heavily on protein complex formation and dynamic posttranslational modifications, such as phosphorylation. The dynamic nature of protein complex formation and posttranslational modifications is notoriously difficult to monitor in planta at cellular resolution, often requiring extensive optimization. Here, we generated and exploited the SYnthetic Multivalency in PLants (SYMPL)-vector set to assay protein-protein interactions (PPIs) (separation of phases-based protein interaction reporter) and kinase activities (separation of phases-based activity reporter of kinase) in planta, based on phase separation. This technology enabled easy detection of inducible, binary and ternary PPIs among cytoplasmic and nuclear proteins in plant cells via a robust image-based readout. Moreover, we applied the SYMPL toolbox to develop an in vivo reporter for SNF1-related kinase 1 activity, allowing us to visualize tissue-specific, dynamic SnRK1 activity in stable transgenic Arabidopsis (Arabidopsis thaliana) plants. The SYMPL cloning toolbox provides a means to explore PPIs, phosphorylation, and other posttranslational modifications with unprecedented ease and sensitivity.
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Affiliation(s)
- Alaeddine Safi
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Wouter Smagghe
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Amanda Gonçalves
- Cell Death and Inflammation Unit, VIB-UGent Center for Inflammation Research (IRC), Ghent, Belgium
- Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, Belgium
- VIB, Bioimaging Core, B-9052 Ghent, Belgium
| | - Qing Wang
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Ke Xu
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Ana Ibis Fernandez
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Benjamin Cappe
- Cell Death and Inflammation Unit, VIB-UGent Center for Inflammation Research (IRC), Ghent, Belgium
- Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, Belgium
| | - Franck B Riquet
- Cell Death and Inflammation Unit, VIB-UGent Center for Inflammation Research (IRC), Ghent, Belgium
- Department of Biomedical Molecular Biology (DBMB), Ghent University, Ghent, Belgium
- Université de Lille, CNRS, UMR 8523-PhLAM-Physique des Lasers Atomes et Molécules, 59000 Lille, France
| | - Evelien Mylle
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Dominique Eeckhout
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Nancy De Winne
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Eveline Van De Slijke
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Freya Persyn
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Geert Persiau
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Daniël Van Damme
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Danny Geelen
- Department of Plants and Crops, Ghent University, 9000 Ghent, Belgium
| | - Geert De Jaeger
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Tom Beeckman
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Jelle Van Leene
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
| | - Steffen Vanneste
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Center for Plant Systems Biology, VIB, 9052 Ghent, Belgium
- Department of Plants and Crops, Ghent University, 9000 Ghent, Belgium
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13
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Cuyas L, David P, de Craieye D, Ng S, Arkoun M, Plassard C, Faharidine M, Hourcade D, Degan F, Pluchon S, Nussaume L. Identification and interest of molecular markers to monitor plant Pi status. BMC PLANT BIOLOGY 2023; 23:401. [PMID: 37612632 PMCID: PMC10463364 DOI: 10.1186/s12870-023-04411-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 08/14/2023] [Indexed: 08/25/2023]
Abstract
BACKGROUND Inorganic phosphate (Pi) is the sole source of phosphorus for plants. It is a limiting factor for plant yield in most soils worldwide. Due to economic and environmental constraints, the use of Pi fertilizer is and will be more and more limited. Unfortunately, evaluation of Pi bioavailability or Pi starvation traits remains a tedious task, which often does not inform us about the real Pi plant status. RESULTS Here, we identified by transcriptomic studies carried out in the plant model Arabidopsis thaliana, early roots- or leaves-conserved molecular markers for Pi starvation, exhibiting fast response to modifications of phosphate nutritional status. We identified their homologues in three crops (wheat, rapeseed, and maize) and demonstrated that they offer a reliable opportunity to monitor the actual plant internal Pi status. They turn out to be very sensitive in the concentration range of 0-50 µM which is the most common case in the vast majority of soils and situations where Pi hardly accumulates in plants. Besides in vitro conditions, they could also be validated for plants growing in the greenhouse or in open field conditions. CONCLUSION These markers provide valuable physiological tools for plant physiologists and breeders to assess phosphate bio-availability impact on plant growth in their studies. This also offers the opportunity to cope with the rising economical (shortage) and societal problems (pollution) resulting from the management of this critical natural resource.
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Affiliation(s)
- Laura Cuyas
- TIMAC AGRO, Laboratoire de Nutrition Végétale, AgroInnovation International, 18 Avenue Franklin Roosevelt, 35400, Saint‑Malo, France
| | - Pascale David
- Aix Marseille Univ, CEA, CNRS, BIAM, UMR7265, EBMP, 13115, Saint-Paul Lez Durance, France
| | - Damien de Craieye
- Aix Marseille Univ, CEA, CNRS, BIAM, UMR7265, EBMP, 13115, Saint-Paul Lez Durance, France
| | - Sophia Ng
- Aix Marseille Univ, CEA, CNRS, BIAM, UMR7265, EBMP, 13115, Saint-Paul Lez Durance, France
- Centre for AgriBioscience, La Trobe University, 5 Ring Road Bundoora, Victoria, 3086, Australia
| | - Mustapha Arkoun
- TIMAC AGRO, Laboratoire de Nutrition Végétale, AgroInnovation International, 18 Avenue Franklin Roosevelt, 35400, Saint‑Malo, France
| | - Claude Plassard
- INRAE, CIRAD, IRD, Univ Montpellier, Eco&Sols, Institut Agro, 34060, Montpellier, France
| | | | - Delphine Hourcade
- Arvalis, Institut du Végétal, Station Expérimentale, Boigneville, France
| | - Francesca Degan
- Arvalis, Institut du Végétal, Station Expérimentale, Boigneville, France
| | - Sylvain Pluchon
- TIMAC AGRO, Laboratoire de Nutrition Végétale, AgroInnovation International, 18 Avenue Franklin Roosevelt, 35400, Saint‑Malo, France
| | - Laurent Nussaume
- Aix Marseille Univ, CEA, CNRS, BIAM, UMR7265, EBMP, 13115, Saint-Paul Lez Durance, France.
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14
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Xie B, Chen Y, Zhang Y, An X, Li X, Yang A, Kang G, Zhou J, Cheng C. Comparative physiological, metabolomic, and transcriptomic analyses reveal mechanisms of apple dwarfing rootstock root morphogenesis under nitrogen and/or phosphorus deficient conditions. FRONTIERS IN PLANT SCIENCE 2023; 14:1120777. [PMID: 37404544 PMCID: PMC10315683 DOI: 10.3389/fpls.2023.1120777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 05/16/2023] [Indexed: 07/06/2023]
Abstract
Nitrogen (N) and phosphorus (P) are essential phytomacronutrients, and deficiencies in these two elements limit growth and yield in apple (Malus domestica Borkh.). The rootstock plays a key role in the nutrient uptake and environmental adaptation of apple. The objective of this study was to investigate the effects of N and/or P deficiency on hydroponically-grown dwarfing rootstock 'M9-T337' seedlings, particularly the roots, by performing an integrated physiological, transcriptomics-, and metabolomics-based analyses. Compared to N and P sufficiency, N and/or P deficiency inhibited aboveground growth, increased the partitioning of total N and total P in roots, enhanced the total number of tips, length, volume, and surface area of roots, and improved the root-to-shoot ratio. P and/or N deficiency inhibited NO3 - influx into roots, and H+ pumps played a important role in the response to P and/or N deficiency. Conjoint analysis of differentially expressed genes and differentially accumulated metabolites in roots revealed that N and/or P deficiency altered the biosynthesis of cell wall components such as cellulose, hemicellulose, lignin, and pectin. The expression of MdEXPA4 and MdEXLB1, two cell wall expansin genes, were shown to be induced by N and/or P deficiency. Overexpression of MdEXPA4 enhanced root development and improved tolerance to N and/or P deficiency in transgenic Arabidopsis thaliana plants. In addition, overexpression of MdEXLB1 in transgenic Solanum lycopersicum seedlings increased the root surface area and promoted acquisition of N and P, thereby facilitating plant growth and adaptation to N and/or P deficiency. Collectively, these results provided a reference for improving root architecture in dwarfing rootstock and furthering our understanding of integration between N and P signaling pathways.
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Affiliation(s)
- Bin Xie
- Key Laboratory of Mineral Nutrition and Efficient Fertilization for Deciduous Fruits, Liaoning Province/Key Laboratory of Fruit Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs/Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Yanhui Chen
- Key Laboratory of Mineral Nutrition and Efficient Fertilization for Deciduous Fruits, Liaoning Province/Key Laboratory of Fruit Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs/Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Yanzhen Zhang
- Key Laboratory of Mineral Nutrition and Efficient Fertilization for Deciduous Fruits, Liaoning Province/Key Laboratory of Fruit Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs/Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Xiuhong An
- Research Center for Agricultural Engineering Technology of Mountain District of Hebei/Mountainous Areas Research Institute, Hebei Agricultural University, Baoding, Hebei, China
| | - Xin Li
- Key Laboratory of Mineral Nutrition and Efficient Fertilization for Deciduous Fruits, Liaoning Province/Key Laboratory of Fruit Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs/Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - An Yang
- Key Laboratory of Mineral Nutrition and Efficient Fertilization for Deciduous Fruits, Liaoning Province/Key Laboratory of Fruit Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs/Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Guodong Kang
- Key Laboratory of Mineral Nutrition and Efficient Fertilization for Deciduous Fruits, Liaoning Province/Key Laboratory of Fruit Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs/Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Jiangtao Zhou
- Key Laboratory of Mineral Nutrition and Efficient Fertilization for Deciduous Fruits, Liaoning Province/Key Laboratory of Fruit Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs/Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
| | - Cungang Cheng
- Key Laboratory of Mineral Nutrition and Efficient Fertilization for Deciduous Fruits, Liaoning Province/Key Laboratory of Fruit Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs/Research Institute of Pomology, Chinese Academy of Agricultural Sciences, Xingcheng, Liaoning, China
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15
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Huertas R, Torres-Jerez I, Curtin SJ, Scheible W, Udvardi M. Medicago truncatula PHO2 genes have distinct roles in phosphorus homeostasis and symbiotic nitrogen fixation. FRONTIERS IN PLANT SCIENCE 2023; 14:1211107. [PMID: 37409286 PMCID: PMC10319397 DOI: 10.3389/fpls.2023.1211107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 05/22/2023] [Indexed: 07/07/2023]
Abstract
Three PHO2-like genes encoding putative ubiquitin-conjugating E2 enzymes of Medicago truncatula were characterized for potential roles in phosphorous (P) homeostasis and symbiotic nitrogen fixation (SNF). All three genes, MtPHO2A, B and C, contain miR399-binding sites characteristic of PHO2 genes in other plant species. Distinct spatiotemporal expression patterns and responsiveness of gene expression to P- and N-deprivation in roots and shoots indicated potential roles, especially for MtPHO2B, in P and N homeostasis. Phenotypic analysis of pho2 mutants revealed that MtPHO2B is integral to Pi homeostasis, affecting Pi allocation during plant growth under nutrient-replete conditions, while MtPHO2C had a limited role in controlling Pi homeostasis. Genetic analysis also revealed a connection between Pi allocation, plant growth and SNF performance. Under N-limited, SNF conditions, Pi allocation to different organs was dependent on MtPHO2B and, to a lesser extent, MtPHO2C and MtPHO2A. MtPHO2A also affected Pi homeostasis associated with nodule formation. Thus, MtPHO2 genes play roles in systemic and localized, i.e., nodule, P homeostasis affecting SNF.
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Affiliation(s)
- Raul Huertas
- Noble Research Institute LLC, Ardmore, OK, United States
| | | | - Shaun J. Curtin
- United States Department of Agriculture, Plant Science Research Unit, St. Paul, MN, United States
- Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN, United States
- Center for Plant Precision Genomics, University of Minnesota, St. Paul, MN, United States
- Center for Genome Engineering, University of Minnesota, St. Paul, MN, United States
| | - Wolf Scheible
- Noble Research Institute LLC, Ardmore, OK, United States
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16
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He K, Du J, Han X, Li H, Kui M, Zhang J, Huang Z, Fu Q, Jiang Y, Hu Y. PHOSPHATE STARVATION RESPONSE1 (PHR1) interacts with JASMONATE ZIM-DOMAIN (JAZ) and MYC2 to modulate phosphate deficiency-induced jasmonate signaling in Arabidopsis. THE PLANT CELL 2023; 35:2132-2156. [PMID: 36856677 PMCID: PMC10226604 DOI: 10.1093/plcell/koad057] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 12/21/2022] [Accepted: 02/03/2023] [Indexed: 05/30/2023]
Abstract
Phosphorus (P) is a macronutrient necessary for plant growth and development. Inorganic phosphate (Pi) deficiency modulates the signaling pathway of the phytohormone jasmonate in Arabidopsis thaliana, but the underlying molecular mechanism currently remains elusive. Here, we confirmed that jasmonate signaling was enhanced under low Pi conditions, and the CORONATINE INSENSITIVE1 (COI1)-mediated pathway is critical for this process. A mechanistic investigation revealed that several JASMONATE ZIM-DOMAIN (JAZ) repressors physically interacted with the Pi signaling-related core transcription factors PHOSPHATE STARVATION RESPONSE1 (PHR1), PHR1-LIKE2 (PHL2), and PHL3. Phenotypic analyses showed that PHR1 and its homologs positively regulated jasmonate-induced anthocyanin accumulation and root growth inhibition. PHR1 stimulated the expression of several jasmonate-responsive genes, whereas JAZ proteins interfered with its transcriptional function. Furthermore, PHR1 physically associated with the basic helix-loop-helix (bHLH) transcription factors MYC2, MYC3, and MYC4. Genetic analyses and biochemical assays indicated that PHR1 and MYC2 synergistically increased the transcription of downstream jasmonate-responsive genes and enhanced the responses to jasmonate. Collectively, our study reveals the crucial regulatory roles of PHR1 in modulating jasmonate responses and provides a mechanistic understanding of how PHR1 functions together with JAZ and MYC2 to maintain the appropriate level of jasmonate signaling under conditions of Pi deficiency.
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Affiliation(s)
- Kunrong He
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiancan Du
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Xiao Han
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Huiqiong Li
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Mengyi Kui
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Juping Zhang
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhichong Huang
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Qiantang Fu
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
| | - Yanjuan Jiang
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Yanru Hu
- CAS Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Kunming, Yunnan 650223, China
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17
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Liu G, Rui L, Yang Y, Liu R, Li H, Ye F, You C, Zhang S. Identification and Functional Characterization of MdNRT1.1 in Nitrogen Utilization and Abiotic Stress Tolerance in Malus domestica. Int J Mol Sci 2023; 24:ijms24119291. [PMID: 37298242 DOI: 10.3390/ijms24119291] [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: 04/02/2023] [Revised: 05/13/2023] [Accepted: 05/22/2023] [Indexed: 06/12/2023] Open
Abstract
Nitrate is one of the main sources of nitrogen for plant growth. Nitrate transporters (NRTs) participate in nitrate uptake and transport, and they are involved in abiotic stress tolerance. Previous studies have shown that NRT1.1 has a dual role in nitrate uptake and utilization; however, little is known about the function of MdNRT1.1 in regulating apple growth and nitrate uptake. In this study, apple MdNRT1.1, a homolog of Arabidopsis NRT1.1, was cloned and functionally identified. Nitrate treatment induced an increased transcript level of MdNRT1.1, and overexpression of MdNRT1.1 promoted root development and nitrogen utilization. Ectopic expression of MdNRT1.1 in Arabidopsis repressed tolerance to drought, salt, and ABA stresses. Overall, this study identified a nitrate transporter, MdNRT1.1, in apples and revealed how MdNRT1.1 regulates nitrate utilization and abiotic stress tolerance.
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Affiliation(s)
- Guodong Liu
- National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - Lin Rui
- National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - Yuying Yang
- National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - Ranxin Liu
- National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - Hongliang Li
- National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - Fan Ye
- National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - Chunxiang You
- National Key Laboratory of Crop Biology, National Research Center for Apple Engineering and Technology, College of Horticulture Science and Engineering, Shandong Agricultural University, Tai'an 271018, China
| | - Shuai Zhang
- Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, College of Chemistry and Material Science, Shandong Agricultural University, Tai'an 271018, China
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18
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Wang F, Wang Y, Ying L, Lu H, Liu Y, Liu Y, Xu J, Wu Y, Mo X, Wu Z, Mao C. Integrated transcriptomic analysis identifies coordinated responses to nitrogen and phosphate deficiency in rice. FRONTIERS IN PLANT SCIENCE 2023; 14:1164441. [PMID: 37223782 PMCID: PMC10200874 DOI: 10.3389/fpls.2023.1164441] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 03/15/2023] [Indexed: 05/25/2023]
Abstract
Nitrogen (N) and phosphorus (P) are two primary components of fertilizers for crop production. Coordinated acquisition and utilization of N and P are crucial for plants to achieve nutrient balance and optimal growth in a changing rhizospheric nutrient environment. However, little is known about how N and P signaling pathways are integrated. We performed transcriptomic analyses and physiological experiments to explore gene expression profiles and physiological homeostasis in the response of rice (Oryza sativa) to N and P deficiency. We revealed that N and P shortage inhibit rice growth and uptake of other nutrients. Gene Ontology (GO) analysis of differentially expressed genes (DEGs) suggested that N and Pi deficiency stimulate specific different physiological reactions and also some same physiological processes in rice. We established the transcriptional regulatory network between N and P signaling pathways based on all DEGs. We determined that the transcript levels of 763 core genes changed under both N or P starvation conditions. Among these core genes, we focused on the transcription factor gene NITRATE-INDUCIBLE, GARP-TYPE TRANSCRIPTIONAL REPRESSOR 1 (NIGT1) and show that its encoded protein is a positive regulator of P homeostasis and a negative regulator of N acquisition in rice. NIGT1 promoted Pi uptake but inhibited N absorption, induced the expression of Pi responsive genes PT2 and SPX1 and repressed the N responsive genes NLP1 and NRT2.1. These results provide new clues about the mechanisms underlying the interaction between plant N and P starvation responses.
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Affiliation(s)
- Fei Wang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Yan Wang
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Luying Ying
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Hong Lu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Yijian Liu
- Hainan Institute, Zhejiang University, Yazhou Bay Science and Technology City, Sanya, Hainan, China
| | - Yu Liu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Jiming Xu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Yunrong Wu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Xiaorong Mo
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Zhongchang Wu
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Chuanzao Mao
- State Key Laboratory of Plant Physiology and Biochemistry, College of Life Sciences, Zhejiang University, Hangzhou, China
- Hainan Institute, Zhejiang University, Yazhou Bay Science and Technology City, Sanya, Hainan, China
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19
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Paries M, Gutjahr C. The good, the bad, and the phosphate: regulation of beneficial and detrimental plant-microbe interactions by the plant phosphate status. THE NEW PHYTOLOGIST 2023. [PMID: 37145847 DOI: 10.1111/nph.18933] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 03/21/2023] [Indexed: 05/06/2023]
Abstract
Phosphate (Pi ) is indispensable for life on this planet. However, for sessile land plants it is poorly accessible. Therefore, plants have developed a variety of strategies for enhanced acquisition and recycling of Pi . The mechanisms to cope with Pi limitation as well as direct uptake of Pi from the substrate via the root epidermis are regulated by a conserved Pi starvation response (PSR) system based on a family of key transcription factors (TFs) and their inhibitors. Furthermore, plants obtain Pi indirectly through symbiosis with mycorrhiza fungi, which employ their extensive hyphal network to drastically increase the soil volume that can be explored by plants for Pi . Besides mycorrhizal symbiosis, there is also a variety of other interactions with epiphytic, endophytic, and rhizospheric microbes that can indirectly or directly influence plant Pi uptake. It was recently discovered that the PSR pathway is involved in the regulation of genes that promote formation and maintenance of AM symbiosis. Furthermore, the PSR system influences plant immunity and can also be a target of microbial manipulation. It is known for decades that the nutritional status of plants influences the outcome of plant-microbe interactions. The first molecular explanations for these observations are now emerging.
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Affiliation(s)
- Michael Paries
- Plant Genetics, TUM School of Life Sciences, Technical University of Munich (TUM), Emil Ramann Str. 4, Freising, 85354, Germany
| | - Caroline Gutjahr
- Plant Genetics, TUM School of Life Sciences, Technical University of Munich (TUM), Emil Ramann Str. 4, Freising, 85354, Germany
- Max-Planck-Institute of Molecular Plant Physiology, Am Mühlenberg 1, Potsdam-Golm, 14476, Germany
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20
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Dai S, Wu H, Chen H, Wang Z, Yu X, Wang L, Jia X, Qin C, Zhu Y, Yi K, Zeng H. Comparative transcriptome analyses under individual and combined nutrient starvations provide insights into N/P/K interactions in rice. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 197:107642. [PMID: 36989993 DOI: 10.1016/j.plaphy.2023.107642] [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: 01/04/2023] [Revised: 03/11/2023] [Accepted: 03/13/2023] [Indexed: 06/19/2023]
Abstract
Crops often suffer from simultaneous limitations of multiple nutrients in soils, including nitrogen (N), phosphorus (P) and potassium (K), which are three major macronutrients essential for ensuring growth and yield. Although plant responses to individual N, P, and K deficiency have been well documented, our understanding of the responses to combined nutrient deficiencies and the crosstalk between nutrient starvation responses is still limited. Here, we compared the physiological responses in rice under seven kinds of single and multiple low nutrient stress of N, P and K, and used RNA sequencing approaches to compare their transcriptome changes. A total of 13,000 genes were found to be differentially expressed under all these single and multiple low N/P/K stresses, and 66 and 174 of them were shared by all these stresses in roots and shoots, respectively. Functional enrichment analyses of the DEGs showed that a group of biological and metabolic processes were shared by these low N/P/K stresses. Comparative analyses indicated that DEGs under multiple low nutrient stress was not the simple summation of single nutrient stress. N was found to be the predominant factor affecting the transcriptome under combined nutrient stress. N, P, or K availability exhibited massive influences on the transcriptomic responses to starvation of other nutrients. Many genes involved in nutrient transport, hormone signaling, and transcriptional regulation were commonly responsive to low N/P/K stresses. Some transcription factors were predicted to regulate the expression of genes that are commonly responsive to N, P, and K starvations. These results revealed the interactions between N, P, and K starvation responses, and will be helpful for further elucidation of the molecular mechanisms underlying nutrient interactions.
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Affiliation(s)
- Senhuan Dai
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, 311121, China
| | - Haicheng Wu
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, 311121, China
| | - Huiying Chen
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, 311121, China
| | - Zihui Wang
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, College of Resources and Environment Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xin Yu
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, College of Resources and Environment Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Long Wang
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Xianqing Jia
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Cheng Qin
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, 311121, China
| | - Yiyong Zhu
- Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, College of Resources and Environment Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Keke Yi
- State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Houqing Zeng
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, 311121, China.
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21
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Haider I, Yunmeng Z, White F, Li C, Incitti R, Alam I, Gojobori T, Ruyter-Spira C, Al-Babili S, Bouwmeester HJ. Transcriptome analysis of the phosphate starvation response sheds light on strigolactone biosynthesis in rice. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 114:355-370. [PMID: 36775978 DOI: 10.1111/tpj.16140] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 02/06/2023] [Indexed: 05/10/2023]
Abstract
Phosphorus (P) is a major element required for plant growth and development. To cope with P shortage, plants activate local and long-distance signaling pathways, such as an increase in the production and exudation of strigolactones (SLs). The role of the latter in mitigating P deficiency is, however, still largely unknown. To shed light on this, we studied the transcriptional response to P starvation and replenishment in wild-type rice and a SL mutant, dwarf10 (d10), and upon exogenous application of the synthetic SL GR24. P starvation resulted in major transcriptional alterations, such as the upregulation of P TRANSPORTER, SYG1/PHO81/XPR1 (SPX) and VACUOLAR PHOSPHATE EFFLUX TRANSPORTER. Gene Ontology (GO) analysis of the genes induced by P starvation showed enrichment in phospholipid catabolic process and phosphatase activity. In d10, P deficiency induced upregulation of genes enriched for sesquiterpenoid production, secondary shoot formation and metabolic processes, including lactone biosynthesis. Furthermore, several genes induced by GR24 treatment shared the same GO terms with P starvation-induced genes, such as oxidation reduction, heme binding and oxidoreductase activity, hinting at the role that SLs play in the transcriptional reprogramming upon P starvation. Gene co-expression network analysis uncovered a METHYL TRANSFERASE that displayed co-regulation with known rice SL biosynthetic genes. Functional characterization showed that this gene encodes an enzyme catalyzing the conversion of carlactonoic acid to methyl carlactonoate. Our work provides a valuable resource to further studies on the response of crops to P deficiency and reveals a tool for the discovery of SL biosynthetic genes.
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Affiliation(s)
- Imran Haider
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
- Division of Biological and Environmental Science and Engineering, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Zhang Yunmeng
- Laboratory of Plant Physiology, Wageningen University and Research, Wageningen, PO Box 658, 6700 AR, The Netherlands
| | - Fred White
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Changsheng Li
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
| | - Roberto Incitti
- Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Intikhab Alam
- Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Takashi Gojobori
- Computational Bioscience Research Center, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Carolien Ruyter-Spira
- Laboratory of Plant Physiology, Wageningen University and Research, Wageningen, PO Box 658, 6700 AR, The Netherlands
| | - Salim Al-Babili
- Division of Biological and Environmental Science and Engineering, Center for Desert Agriculture, The BioActives Lab, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
- Division of Biological and Environmental Science and Engineering, The Plant Science Program, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Harro J Bouwmeester
- Plant Hormone Biology Group, Swammerdam Institute for Life Sciences, University of Amsterdam, Science Park 904, 1098 XH, Amsterdam, The Netherlands
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22
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He Z, Chen M, Ling B, Cao T, Wang C, Li W, Tang W, Chen K, Zhou Y, Chen J, Xu Z, Wang D, Guo C, Ma Y. Overexpression of the autophagy-related gene SiATG8a from foxtail millet (Setaria italica L.) in transgenic wheat confers tolerance to phosphorus starvation. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 196:580-586. [PMID: 36774913 DOI: 10.1016/j.plaphy.2023.01.061] [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: 11/18/2022] [Revised: 01/29/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
In plants, autophagy plays an important role in regulating intracellular degradation and amino acid recycling in response to nutrient starvation, senescence, and other environmental stresses. Foxtail millet (Setaria italica) shows strong resistance to various abiotic stresses; however, current understanding of the regulation network of abiotic stress resistance in foxtail millet remains limited. In this study, we aimed to determine the autophagy-related gene SiATG8a in foxtail millet. We found that SiATG8a was mainly expressed in the stem and was induced by low-phosphorus (LP) stress. Overexpression of SiATG8a in wheat (Triticum aestivum) significantly increased the grain yield and spike number per m2 under LP treatment compared to those in the WT varieties S366 and S4056. There was no significant difference in the grain P content between SiATG8a-overexpressing wheat and WT wheat under normal phosphorus (NP) and LP treatments. However, the phosphorus (P) content in the roots, stems, and leaves of transgenic plants was significantly higher than that in WT plants under NP and LP conditions. Furthermore, the expression of P transporter genes, such as TaPHR1, TaPHR3, TaIPS1, and TaPT9, in SiATG8a-transgenic wheat was higher than that in WT under LP. Collectively, overexpression of SiATG8a increases the P content of roots, stems, and leaves of transgenic wheat under LP conditions by modulating the expression of P-related transporter gene, which may result in increased grain yield; thus, SiATG8a is a candidate gene for generating transgenic wheat with improved tolerance to LP stress in the field.
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Affiliation(s)
- Zhang He
- Key Laboratory of Molecular Cytogenetics and Genetic Breeding of Heilongjiang Province, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang, 150025, China.
| | - Ming Chen
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Bingqi Ling
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Tao Cao
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Chunxiao Wang
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Weiwei Li
- Key Laboratory of Molecular Cytogenetics and Genetic Breeding of Heilongjiang Province, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang, 150025, China.
| | - Wensi Tang
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Kai Chen
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Yongbin Zhou
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Jun Chen
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Zhaoshi Xu
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
| | - Dan Wang
- Key Laboratory of Molecular Cytogenetics and Genetic Breeding of Heilongjiang Province, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang, 150025, China.
| | - Changhong Guo
- Key Laboratory of Molecular Cytogenetics and Genetic Breeding of Heilongjiang Province, College of Life Science and Technology, Harbin Normal University, Harbin, Heilongjiang, 150025, China.
| | - Youzhi Ma
- National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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23
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Helliwell KE. Emerging trends in nitrogen and phosphorus signalling in photosynthetic eukaryotes. TRENDS IN PLANT SCIENCE 2023; 28:344-358. [PMID: 36372648 DOI: 10.1016/j.tplants.2022.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/12/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
Phosphorus (P) and nitrogen (N) are the major nutrients that constrain plant and algal growth in nature. Recent advances in understanding nutrient signalling mechanisms of these organisms have revealed molecular attributes to optimise N and P acquisition. This has illuminated the importance of interplay between N and P regulatory networks, highlighting a need to study synergistic interactions rather than single-nutrient effects. Emerging insights of nutrient signalling in polyphyletic model plants and algae hint that, although core P-starvation signalling components are conserved, distinct mechanisms for P (and N) sensing have arisen. Here, the N and P signalling mechanisms of diverse photosynthetic eukaryotes are examined, drawing parallels and differences between taxa. Future directions to understand their molecular basis, evolution, and ecology are proposed.
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Affiliation(s)
- Katherine E Helliwell
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Exeter EX4 4QD, UK; Marine Biological Association, Citadel Hill, Plymouth PL1 2PB, UK.
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24
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Aluko OO, Kant S, Adedire OM, Li C, Yuan G, Liu H, Wang Q. Unlocking the potentials of nitrate transporters at improving plant nitrogen use efficiency. FRONTIERS IN PLANT SCIENCE 2023; 14:1074839. [PMID: 36895876 PMCID: PMC9989036 DOI: 10.3389/fpls.2023.1074839] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 01/16/2023] [Indexed: 05/27/2023]
Abstract
Nitrate ( NO 3 - ) transporters have been identified as the primary targets involved in plant nitrogen (N) uptake, transport, assimilation, and remobilization, all of which are key determinants of nitrogen use efficiency (NUE). However, less attention has been directed toward the influence of plant nutrients and environmental cues on the expression and activities of NO 3 - transporters. To better understand how these transporters function in improving plant NUE, this review critically examined the roles of NO 3 - transporters in N uptake, transport, and distribution processes. It also described their influence on crop productivity and NUE, especially when co-expressed with other transcription factors, and discussed these transporters' functional roles in helping plants cope with adverse environmental conditions. We equally established the possible impacts of NO 3 - transporters on the uptake and utilization efficiency of other plant nutrients while suggesting possible strategic approaches to improving NUE in plants. Understanding the specificity of these determinants is crucial to achieving better N utilization efficiency in crops within a given environment.
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Affiliation(s)
- Oluwaseun Olayemi Aluko
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Surya Kant
- Agriculture Victoria, Grains Innovation Park, Horsham, VIC, Australia
- School of Applied Systems Biology, La Trobe University, Bundoora, VIC, Australia
| | | | - Chuanzong Li
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guang Yuan
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
- Graduate School of Chinese Academy of Agricultural Sciences, Beijing, China
| | - Haobao Liu
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
| | - Qian Wang
- Tobacco Research Institute of Chinese Academy of Agricultural Sciences, Qingdao, China
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Milner MJ, Bowden S, Craze M, Wallington EJ. OsPSTOL but not TaPSTOL can play a role in nutrient use efficiency and works through conserved pathways in both wheat and rice. FRONTIERS IN PLANT SCIENCE 2023; 14:1098175. [PMID: 36818870 PMCID: PMC9932817 DOI: 10.3389/fpls.2023.1098175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
There is a large demand to reduce inputs for current crop production, particularly phosphate and nitrogen inputs which are the two most frequently added supplements to agricultural production. Gene characterization is often limited to the native species from which it was identified, but may offer benefits to other species. To understand if the rice gene Phosphate Starvation Tolerance 1 (PSTOL) OsPSTOL, a gene identified from rice which improves tolerance to low P growth conditions, might improve performance and provide the same benefit in wheat, OsPSTOL was transformed into wheat and expressed from a constitutive promoter. The ability of OsPSTOL to improve nutrient acquisition under low phosphate or low nitrogen was evaluated. Here we show that OsPSTOL works through a conserved pathway in wheat and rice to improve yields under both low phosphate and low nitrogen. This increase is yield is mainly driven by improved uptake from the soil driving increased biomass and ultimately increased seed number, but does not change the concentration of N in the straw or grain. Overexpression of OsPSTOL in wheat modifies N regulated genes to aid in this uptake whereas the putative homolog TaPSTOL does not suggesting that expression of OsPSTOL in wheat can help to improve yields under low input agriculture.
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26
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Zhu Z, Qu K, Li D, Zhang L, Wang C, Cong L, Bai C, Lu X. SbPHO2, a conserved Pi starvation signalling gene, is involved in the regulation of the uptake of multiple nutrients in sorghum. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 327:111556. [PMID: 36481362 DOI: 10.1016/j.plantsci.2022.111556] [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: 10/11/2022] [Revised: 11/24/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Sorghum is one of the five most productive crops worldwide, but its yield is seriously limited by phosphate (Pi) availability. Although inorganic Pi signalling is well studied in Arabidopsis and rice, it remains largely unknown in sorghum. The sorghum sbpho2 mutant was identified, showing leaf necrosis and short roots. Map-based cloning identified SbPHO2 as Sobic.009G228100, an E2 conjugase gene that is a putative orthologue of the PHO2 genes in rice and Arabidopsis, which play important roles in Pi signalling. Pi starvation experiments and transformation of SbPHO2 into the rice ospho2 mutant further revealed that SbPHO2 is likely involved in Pi accumulation and root architecture alteration in sorghum. qRTPCR results showed that SbPHO2 was expressed in almost the entire plant, especially in the leaves. Furthermore, some typical Pi starvation-induced genes were induced in sbpho2 even under Pi-sufficient conditions, including Pi transporters, SPXs, phosphatases and lipid composition alteration-related genes. In addition to P accumulation in the shoots of sbpho2, concentrations of N, K, and other metal elements were also altered significantly in the sbpho2 plants. Nitrate uptake was also suppressed in the sbpho2 mutant. Consistent with this finding, the expression of several nitrate-, potassium- and other metal element-related genes was also altered in sbpho2. Furthermore, the results indicated that N-dependent control of the P starvation response is regulated via SbPHO2 in sorghum. Our results suggest that SbPHO2 participates in the regulation of the absorption of multiple nutrients, although PHO2 is a crucial and conserved component of Pi starvation signalling.
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Affiliation(s)
- Zhenxing Zhu
- Crop Molecular Improvement Lab, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning, China
| | - Kuangzheng Qu
- Crop Molecular Improvement Lab, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning, China
| | - Dan Li
- Crop Molecular Improvement Lab, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning, China
| | - Lixia Zhang
- Crop Molecular Improvement Lab, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning, China
| | - Chunyu Wang
- Crop Molecular Improvement Lab, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning, China
| | - Ling Cong
- Crop Molecular Improvement Lab, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning, China
| | - Chunming Bai
- Crop Molecular Improvement Lab, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning, China
| | - Xiaochun Lu
- Crop Molecular Improvement Lab, Liaoning Academy of Agricultural Sciences, Shenyang 110161, Liaoning, China.
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27
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Tarkowski ŁP, Signorelli S, Considine MJ, Montrichard F. Integration of reactive oxygen species and nutrient signalling to shape root system architecture. PLANT, CELL & ENVIRONMENT 2023; 46:379-390. [PMID: 36479711 PMCID: PMC10107350 DOI: 10.1111/pce.14504] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 11/30/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Yield losses due to nutrient deficiency are estimated as the primary cause of the yield gap worldwide. Understanding how plant roots perceive external nutrient status and elaborate morphological adaptations in response to it is necessary to develop reliable strategies to increase crop yield. In the last decade, reactive oxygen species (ROS) were shown to be key players of the mechanisms underlying root responses to nutrient limitation. ROS contribute in multiple ways to shape the root system in response to nutritional cues, both as direct effectors acting on cell wall architecture and as second messengers in signalling pathways. Here, we review the mutual interconnections existing between perception and signalling of the most common forms of the major macronutrients (nitrogen, phosphorus and potassium), and ROS in shaping plant root system architecture. We discuss recent advances in dissecting the integration of these elements and their impact on morphological traits of the root system, highlighting the functional ductility of ROS and enzymes implied in ROS metabolism, such as class III peroxidases.
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Affiliation(s)
| | - Santiago Signorelli
- Australian Research Council Centre of Excellence in Plant Energy Biology, School of Molecular SciencesUniversity of Western AustraliaPerthWestern AustraliaAustralia
- Food and Plant Biology group, Departamento de Biología Vegetal, Facultad de AgronomíaUniversidad de la RepúblicaMontevideoUruguay
| | - Michael J. Considine
- Australian Research Council Centre of Excellence in Plant Energy Biology, School of Molecular SciencesUniversity of Western AustraliaPerthWestern AustraliaAustralia
- Department of Primary Industries and Regional DevelopmentPerthWestern AustraliaAustralia
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28
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Kryvenda A, Tischner R, Steudel B, Griehl C, Armon R, Friedl T. Testing for terrestrial and freshwater microalgae productivity under elevated CO 2 conditions and nutrient limitation. BMC PLANT BIOLOGY 2023; 23:27. [PMID: 36635620 PMCID: PMC9837994 DOI: 10.1186/s12870-023-04042-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
BACKGROUND Microalgae CO2 fixation results in the production of biomass rich in high-valuable products, such as fatty acids and carotenoids. Enhanced productivity of valuable compounds can be achieved through the microalgae's ability to capture CO2 efficiently from sources of high CO2 contents, but it depends on the species. Culture collections of microalgae offer a wide variety of defined strains. However, an inadequate understanding of which groups of microalgae and from which habitats they originate offer high productivity under increased CO2 concentrations hampers exploiting microalgae as a sustainable source in the bioeconomy. RESULTS A large variety of 81 defined algal strains, including new green algal isolates from various terrestrial environments, were studied for their growth under atmospheres with CO2 levels of 5-25% in air. They were from a pool of 200 strains that had been pre-selected for phylogenetic diversity and high productivity under ambient CO2. Green algae from terrestrial environments exhibited enhanced growth up to 25% CO2. In contrast, in unicellular red algae and stramenopile algae, which originated through the endosymbiotic uptake of a red algal cell, growth at CO2 concentrations above 5% was suppressed. While terrestrial stramenopile algae generally tolerated such CO2 concentrations, their counterparts from marine phytoplankton did not. The tests of four new strains in liquid culture revealed enhanced biomass and chlorophyll production under elevated CO2 levels. The 15% CO2 aeration increased their total carotenoid and fatty acid contents, which were further stimulated when combined with the starvation of macronutrients, i.e., less with phosphate and more with nitrogen-depleted culture media. CONCLUSION Green algae originating from terrestrial environments, Chlorophyceae and Trebouxiophyceae, exhibit enhanced productivity of carotenoids and fatty acids under elevated CO2 concentrations. This ability supports the economic and sustainable production of valuable compounds from these microalgae using inexpensive sources of high CO2 concentrations, such as industrial exhaust fumes.
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Affiliation(s)
- Anastasiia Kryvenda
- Albrecht-von-Haller-Institute for Plant Sciences, Department of Experimental Phycology and Culture Collection of Algae (SAG), University of Göttingen, Nikolausberger Weg 18, 37073 Göttingen, Germany
- Present address: Staatliche Betriebsgesellschaft für Umwelt und Landwirtschaft, 01683 Nossen, Germany
| | - Rudolf Tischner
- Albrecht-von-Haller-Institute for Plant Sciences, Department of Experimental Phycology and Culture Collection of Algae (SAG), University of Göttingen, Nikolausberger Weg 18, 37073 Göttingen, Germany
| | - Bastian Steudel
- Albrecht-von-Haller-Institute for Plant Sciences, Department of Experimental Phycology and Culture Collection of Algae (SAG), University of Göttingen, Nikolausberger Weg 18, 37073 Göttingen, Germany
- Present address: Department of Health and Environmental Sciences, Xi’an Jiaotong-Liverpool University (XJTLU), Suzhou, 215123 Jiangsu Province China
| | - Carola Griehl
- Department of Applied Biosciences and Process Technology, Competence Center Algal Biotechnology, Anhalt University of Applied Sciences, 06366 Köthen, Germany
| | - Robert Armon
- Technion-Israel Institute of Technology, Faculty of Civil and Environmental Engineering, 32000 Haifa, Israel
| | - Thomas Friedl
- Albrecht-von-Haller-Institute for Plant Sciences, Department of Experimental Phycology and Culture Collection of Algae (SAG), University of Göttingen, Nikolausberger Weg 18, 37073 Göttingen, Germany
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29
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Molecular Characterization and Mineralizing Potential of Phosphorus Solubilizing Bacteria Colonizing Common Bean ( Phaseolus vulgaris L.) Rhizosphere in Western Kenya. Int J Microbiol 2023; 2023:6668097. [PMID: 36908981 PMCID: PMC9995209 DOI: 10.1155/2023/6668097] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 02/06/2023] [Accepted: 02/14/2023] [Indexed: 03/06/2023] Open
Abstract
Phosphorus solubilizing bacteria (PSB) are a category of microbes that transform insoluble phosphates in soil into soluble forms that crops can utilize. Phosphorus in natural soils is abundant but poorly soluble. Hence, introducing PSB is a safer way of improving its solubility. The aim of this study was to genetically characterize and determine the mineralization capability of selected PSB colonizing rhizospheres of common beans in Western Kenya. Seven potential phosphorus solubilizing bacteria (PSB) were isolated from various subregions of Western Kenya. 16S ribosomal RNA gene sequencing and National Center for Biotechnology Information (NCBI), Basic Local Alignment Search Tool (BLAST) identified the isolates. The phosphate solubilization potential of the isolates was evaluated under agar and broth medium of National Botanical Research Institute's phosphate (NBRIP) supplemented with tricalcium calcium phosphate (TCP). Identified isolates were as follows: KK3 as Enterobacter mori, B5 (KB5) as Pseudomonas kribbensis, KV1 as Enterobacter asburiae, KB3 as Enterobacter mori, KK1 as Enterobacter cloacae, KBU as Enterobacter tabaci, and KB2 as Enterobacter bugandensis. The strains B5 and KV1 were the most effective phosphorus solubilizers with 4.16 and 3.64 indices, respectively. The microbes converted total soluble phosphate concentration in broth medium which was 1395 and 1471 P μg/mL, respectively. The least performing isolate was KBU with a 2.34 solubility index. Significant (p ≤ 0.05) differences in plant biomass for Rose coco and Mwitemania bean varieties were observed under inoculation with isolates B5 and KV1. PSB isolates found in common bean rhizospheres exhibited molecular variations and isolates B5 and KV1 are the potential in solving the insufficiency of phosphorus for sustainable crop production.
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30
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Li Y, Li Y, Yao X, Wen Y, Zhou Z, Lei W, Zhang D, Lin H. Nitrogen-inducible GLK1 modulates phosphate starvation response via the PHR1-dependent pathway. THE NEW PHYTOLOGIST 2022; 236:1871-1887. [PMID: 36111350 DOI: 10.1111/nph.18499] [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: 12/29/2021] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
Phosphorus (P) is a limiting nutrient for plant growth and productivity. Thus, a deep understanding of the molecular mechanisms of plants' response to phosphate starvation is significant when breeding crops with higher phosphorus-use efficiency. Here, we found that GARP-type transcription factor GLK1 acted as a positive regulator for phosphate-starvation response (PSR) via the PHR1-dependent pathway in Arabidopsis thaliana. GLK1 increased the transcription activity of PHR1 through the direct physical interaction and regulated the multiple responses to inorganic orthophosphate (Pi) starvation. Nitrogen (N) is a key factor in the regulation of PSR. We also found that the N status controlled the function of the GLK1-PHR1 signaling module under Pi-deficient (LP) conditions by regulating the accumulation of GLK1 and PHR1. Ultimately, we showed that the presence of GLK1 effectively promoted the protein accumulation of PHR1 at low N concentrations, and this action was helpful to maintain the activation of PSR. According to these findings, we establish the working model for GLK1 in PSR and propose that GLK1 mediates the interaction between N and P by influencing the effect of N on PHR1 in Arabidopsis thaliana.
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Affiliation(s)
- Yan Li
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
| | - Yanling Li
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
| | - Xiuhong Yao
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
| | - Yu Wen
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
| | - Zuxu Zhou
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
| | - Wei Lei
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
| | - Dawei Zhang
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
| | - Honghui Lin
- Ministry of Education Key Laboratory for Bio-Resource and Eco-Environment, College of Life Science, State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, 610064, China
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Raphael B, Nicolás M, Martina J, Daphnée B, Daniel W, Pierre-Emmanuel C. The fine-tuning of mycorrhizal pathway in sorghum depends on both nitrogen-phosphorus availability and the identity of the fungal partner. PLANT, CELL & ENVIRONMENT 2022; 45:3354-3366. [PMID: 36030544 DOI: 10.1111/pce.14426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/19/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
Sorghum is an important worldwide source of food, feed and fibres. Like most plants, it forms mutualistic symbioses with arbuscular mycorrhizal fungi (AMF), but the nutritional basis of mycorrhiza-responsiveness is largely unknown. Here, we investigated the transcriptional and physiological responses of sorghum to two different AMF species, Rhizophagus irregularis and Funneliformis mosseae, under 16 different conditions of nitrogen (N) and phosphorus (P) supply. Our experiment reveals fine-scale differences between two AMF species in the nutritional interactions with sorghum plants. Physiological and gene expression patterns (ammonium transporters: AMT; phosphate transporters: PHT) indicate the existence of generalist or specialist mycorrhizal pathway. While R. irregularis switched on the mycorrhizal pathway independently of the plant nutritional status, F. mosseae influenced the mycorrhizal pathway depending on the N-to-P plant ratio and soil supply. The differences between both AMF species suggest some AMT and PHT as ideal candidates to develop markers for improving efficiency of nutrient acquisition in sorghum under P and N limitation, and for the selection of plant genotypes.
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Affiliation(s)
- Boussageon Raphael
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Marro Nicolás
- Institute of Botany, Czech Academy of Sciences, Průhonice, Czech Republic
| | - Janoušková Martina
- Institute of Botany, Czech Academy of Sciences, Průhonice, Czech Republic
| | - Brulé Daphnée
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Wipf Daniel
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
| | - Courty Pierre-Emmanuel
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, Dijon, France
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Cui X, He H, Hu S, Zhang B, Cai H. Synergistic Interaction between Copper and Nitrogen-Uptake, Translocation, and Distribution in Rice Plant. PLANTS (BASEL, SWITZERLAND) 2022; 11:2612. [PMID: 36235478 PMCID: PMC9572941 DOI: 10.3390/plants11192612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Interactions among nutrients have been widely recognized in plants and play important roles in crop growth and yield formation. However, the interplay of Cu and N in rice plants is not yet clear. In this study, rice plants were grown with different combinations of Cu and N supply. The effects of Cu-N interaction on the growth, yield production, Cu and N transport, and gene expression levels were analyzed. The results showed that the effect of N supply on rice growth and yield formation was more pronounced than that of Cu supply. The Cu supply significantly improved the uptake of N (by 9.52-30.64%), while the N supply significantly promoted the root-to-shoot translocation of Cu (by 27.28-38.45%) and distributed more Cu (1.85-19.16%) into the shoots and leaves. The results of qRT-PCR showed that +Cu significantly up-regulated the expression levels of both NO3- and NH4+ transporter genes OsNRTs and OsAMTs, including OsNRT1.1B, OsNRT2.1, OsNRT2.3a, OsNRT2.4, OsAMT1.2, OsAMT1.3, and OsAMT3.1. Meanwhile, +N significantly up-regulated the expression levels of Cu transporter genes OsHMA5 and OsYSL16. In addition, the supply of Cu up-regulated the expression levels of OsGS1;2, OsGS2, and OsNADH-GOGAT to 12.61-, 6.48-, and 6.05-fold, respectively. In conclusion, our study demonstrates a synergistic effect between Cu and N in rice plants. It is expected that our results would be helpful to optimize the application of N and Cu fertilizers in agriculture.
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Affiliation(s)
- Xinlong Cui
- Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Hua He
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Shengwang Hu
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Banfa Zhang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Hongmei Cai
- Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
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Kulshrestha S, Jibran R, van Klink JW, Zhou Y, Brummell DA, Albert NW, Schwinn KE, Chagné D, Landi M, Bowman JL, Davies KM. Stress, senescence, and specialized metabolites in bryophytes. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:4396-4411. [PMID: 35259256 PMCID: PMC9291361 DOI: 10.1093/jxb/erac085] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 03/07/2022] [Indexed: 05/04/2023]
Abstract
Life on land exposes plants to varied abiotic and biotic environmental stresses. These environmental drivers contributed to a large expansion of metabolic capabilities during land plant evolution and species diversification. In this review we summarize knowledge on how the specialized metabolite pathways of bryophytes may contribute to stress tolerance capabilities. Bryophytes are the non-tracheophyte land plant group (comprising the hornworts, liverworts, and mosses) and rapidly diversified following the colonization of land. Mosses and liverworts have as wide a distribution as flowering plants with regard to available environments, able to grow in polar regions through to hot desert landscapes. Yet in contrast to flowering plants, for which the biosynthetic pathways, transcriptional regulation, and compound function of stress tolerance-related metabolite pathways have been extensively characterized, it is only recently that similar data have become available for bryophytes. The bryophyte data are compared with those available for angiosperms, including examining how the differing plant forms of bryophytes and angiosperms may influence specialized metabolite diversity and function. The involvement of stress-induced specialized metabolites in senescence and nutrient response pathways is also discussed.
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Affiliation(s)
- Samarth Kulshrestha
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 11600, Palmerston North 4442, New Zealand
| | - Rubina Jibran
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 92169, Auckland Mail Centre, Auckland 1142, New Zealand
| | - John W van Klink
- The New Zealand Institute for Plant and Food Research Limited, Department of Chemistry, Otago University, Dunedin, New Zealand
| | - Yanfei Zhou
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 11600, Palmerston North 4442, New Zealand
| | - David A Brummell
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 11600, Palmerston North 4442, New Zealand
| | - Nick W Albert
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 11600, Palmerston North 4442, New Zealand
| | - Kathy E Schwinn
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 11600, Palmerston North 4442, New Zealand
| | - David Chagné
- The New Zealand Institute for Plant and Food Research Limited, Private Bag 11600, Palmerston North 4442, New Zealand
| | - Marco Landi
- Department of Agriculture, Food and Environment, University of Pisa, Italy
| | - John L Bowman
- School of Biological Sciences, Monash University, Melbourne, VIC, Australia
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Sugimura Y, Kawahara A, Maruyama H, Ezawa T. Plant Foraging Strategies Driven by Distinct Genetic Modules: Cross-Ecosystem Transcriptomics Approach. FRONTIERS IN PLANT SCIENCE 2022; 13:903539. [PMID: 35860530 PMCID: PMC9290524 DOI: 10.3389/fpls.2022.903539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/30/2022] [Indexed: 06/15/2023]
Abstract
Plants have evolved diverse strategies for foraging, e.g., mycorrhizae, modification of root system architecture, and secretion of phosphatase. Despite extensive molecular/physiological studies on individual strategies under laboratory/greenhouse conditions, there is little information about how plants orchestrate these strategies in the field. We hypothesized that individual strategies are independently driven by corresponding genetic modules in response to deficiency/unbalance in nutrients. Roots colonized by mycorrhizal fungi, leaves, and root-zone soils were collected from 251 maize plants grown across the United States Corn Belt and Japan, which provided a large gradient of soil characteristics/agricultural practice and thus gene expression for foraging. RNA was extracted from the roots, sequenced, and subjected to gene coexpression network analysis. Nineteen genetic modules were defined and functionally characterized, from which three genetic modules, mycorrhiza formation, phosphate starvation response (PSR), and root development, were selected as those directly involved in foraging. The mycorrhizal module consists of genes responsible for mycorrhiza formation and was upregulated by both phosphorus and nitrogen deficiencies. The PSR module that consists of genes encoding phosphate transporter, secreted acid phosphatase, and enzymes involved in internal-phosphate recycling was regulated independent of the mycorrhizal module and strongly upregulated by phosphorus deficiency relative to nitrogen. The root development module that consists of regulatory genes for root development and cellulose biogenesis was upregulated by phosphorus and nitrogen enrichment. The expression of this module was negatively correlated with that of the mycorrhizal module, suggesting that root development is intrinsically an opposite strategy of mycorrhizae. Our approach provides new insights into understanding plant foraging strategies in complex environments at the molecular level.
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Affiliation(s)
- Yusaku Sugimura
- Graduate School of Agriculture, Hokkaido University, Sapporo, Japan
| | - Ai Kawahara
- Health & Crop Sciences Research Laboratory, Sumitomo Chemical, Co., Ltd., Takarazuka, Japan
| | - Hayato Maruyama
- Graduate School of Agriculture, Hokkaido University, Sapporo, Japan
| | - Tatsuhiro Ezawa
- Graduate School of Agriculture, Hokkaido University, Sapporo, Japan
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Kumar K, Yadava P, Gupta M, Choudhary M, Jha AK, Wani SH, Dar ZA, Kumar B, Rakshit S. Narrowing down molecular targets for improving phosphorus-use efficiency in maize (Zea mays L.). Mol Biol Rep 2022; 49:12091-12107. [PMID: 35752697 DOI: 10.1007/s11033-022-07679-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 06/06/2022] [Indexed: 10/17/2022]
Abstract
Conventional agricultural practices rely heavily on chemical fertilizers to boost production. Among the fertilizers, phosphatic fertilizers are copiously used to ameliorate low-phosphate availability in the soil. However, phosphorus-use efficiency (PUE) for major cereals, including maize, is less than 30%; resulting in more than half of the applied phosphate being lost to the environment. Rock phosphate reserves are finite and predicted to exhaust in near future with the current rate of consumption. Thus, the dependence of modern agriculture on phosphatic fertilizers poses major food security and sustainability challenges. Strategies to optimize and improve PUE, like genetic interventions to develop high PUE cultivars, could have a major impact in this area. Here, we present the current understanding and recent advances in the biological phenomenon of phosphate uptake, translocation, and adaptive responses of plants under phosphate deficiency, with special reference to maize. Maize is one of the most important cereal crops that is cultivated globally under diverse agro-climatic conditions. It is an industrial, feed and food crop with multifarious uses and a fast-rising global demand and consumption. The interesting aspects of diversity in the root system architecture traits, the interplay between signaling pathways contributing to PUE, and an in-depth discussion on promising candidate genes for improving PUE in maize are elaborated.
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Affiliation(s)
- Krishan Kumar
- Delhi Unit Office, ICAR - Indian Institute of Maize Research, Pusa Campus, New Delhi, 110012, India.
| | - Pranjal Yadava
- ICAR - Indian Agricultural Research Institute, Pusa Campus, New Delhi, 110012, India
| | - Mamta Gupta
- ICAR - Indian Institute of Maize Research, PAU Campus, Ludhiana, 141004, India
| | - Mukesh Choudhary
- ICAR - Indian Institute of Maize Research, PAU Campus, Ludhiana, 141004, India.,School of Agriculture and Environment, The University of Western Australia, Perth, WA, 6009, Australia
| | - Abhishek Kumar Jha
- Delhi Unit Office, ICAR - Indian Institute of Maize Research, Pusa Campus, New Delhi, 110012, India
| | - Shabir Hussain Wani
- Mountain Research Center for Field Crops, Sher-e-Kashmir University of Agricultural Sciences and Technology, Khudwani, Srinagar, Jammu and Kashmir, India
| | - Zahoor Ahmed Dar
- Dryland Agriculture Research Station, Sher-e-Kashmir University of Agricultural Sciences and Technology Srinagar, Khudwani, Srinagar, Jammu and Kashmir, India
| | - Bhupender Kumar
- Delhi Unit Office, ICAR - Indian Institute of Maize Research, Pusa Campus, New Delhi, 110012, India
| | - Sujay Rakshit
- ICAR - Indian Institute of Maize Research, PAU Campus, Ludhiana, 141004, India.
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Cheng K, Wei M, Jin X, Tang M, Zhang H. LbAMT3-1, an ammonium transporter induced by arbuscular mycorrhizal in Lycium barbarum, confers tobacco with higher mycorrhizal levels and nutrient uptake. PLANT CELL REPORTS 2022; 41:1477-1480. [PMID: 35201412 DOI: 10.1007/s00299-022-02847-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 02/07/2022] [Indexed: 06/14/2023]
Abstract
KEY MESSAGE An ammonium transporter LbAMT3-1 overexpression increases the arbuscular abundance of mycorrhizal that opens the possibility of using LbAMT3-1 in breeding programs to improve symbiotic nutrient uptake in Lycium barbarum. Nitrogen (N) is one of the most essential nutrients required by plants and limits net primary production much of the time in most terrestrial ecosystems. Arbuscular mycorrhizal (AM) fungi can enhance plant nutrient uptake and improve plant productivity in nutrient limit ecosystems. Here, we identified an ammonia transporter, LbAMT3-1, specifically induced by AM fungi in Lycium barbarum. To understand the expression characteristics and biological functions, LbAMT3-1 was cloned, characterized, and overexpressed in Nicotiana tabacum (tobacco). A BLAST search identified the coding sequence for LbAMT3-1 with an open-reading frame of 1473 bp. Reverse transcription polymerase chain reaction (RT-PCR) analysis indicated that, besides mycorrhizal roots, LbAMT3-1 were barely detectable in other tissues, including stems and leaves. Promoter-GUS assay showed that GUS staining was detected in mycorrhizal roots, and GUS activity driven by the LbAMT3-1 promoter was exclusively confined to root cells containing arbuscules. LbAMT3-1 functionally complemented the yeast mutant efficiently, and yeast expressing LbAMT3-1 showed well growth on the agar medium with 0.02, 0.2, and 2 mM NH4+ supply. Moreover, overexpression of LbAMT3-1 in N. tabacum resulted a significant increase in arbuscular abundance and enhanced the nutrient acquisition capacity of mycorrhizal plants. Based on the results of our study, we propose that overexpression of LbAMT3-1 can promote P and N uptake of host plants through the mycorrhizal pathway, and increase the colonization intensity and arbuscular abundance, which opens the possibility of using LbAMT3-1 in breeding programs.
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Affiliation(s)
- Kang Cheng
- College of Forestry, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Man Wei
- College of Forestry, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xiaoxia Jin
- College of Forestry, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Ming Tang
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, 510642, Guangdong, China
| | - Haoqiang Zhang
- College of Forestry, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Gladman N, Hufnagel B, Regulski M, Liu Z, Wang X, Chougule K, Kochian L, Magalhães J, Ware D. Sorghum root epigenetic landscape during limiting phosphorus conditions. PLANT DIRECT 2022; 6:e393. [PMID: 35600998 PMCID: PMC9107021 DOI: 10.1002/pld3.393] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 01/07/2022] [Accepted: 02/26/2022] [Indexed: 06/15/2023]
Abstract
Efficient acquisition and use of available phosphorus from the soil is crucial for plant growth, development, and yield. With an ever-increasing acreage of croplands with suboptimal available soil phosphorus, genetic improvement of sorghum germplasm for enhanced phosphorus acquisition from soil is crucial to increasing agricultural output and reducing inputs, while confronted with a growing world population and uncertain climate. Sorghum bicolor is a globally important commodity for food, fodder, and forage. Known for robust tolerance to heat, drought, and other abiotic stresses, its capacity for optimal phosphorus use efficiency (PUE) is still being investigated for optimized root system architectures (RSA). Whilst a few RSA-influencing genes have been identified in sorghum and other grasses, the epigenetic impact on expression and tissue-specific activation of candidate PUE genes remains elusive. Here, we present transcriptomic, epigenetic, and regulatory network profiling of RSA modulation in the BTx623 sorghum background in response to limiting phosphorus (LP) conditions. We show that during LP, sorghum RSA is remodeled to increase root length and surface area, likely enhancing its ability to acquire P. Global DNA 5-methylcytosine and H3K4 and H3K27 trimethylation levels decrease in response to LP, while H3K4me3 peaks and DNA hypomethylated regions contain recognition motifs of numerous developmental and nutrient responsive transcription factors that display disparate expression patterns between different root tissues (primary root apex, elongation zone, and lateral root apex).
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Affiliation(s)
| | - Barbara Hufnagel
- Centre National de la Recherche ScientifiqueMontpellierLanguedoc‐RoussillonFrance
| | | | - Zhigang Liu
- Global Institute for Food SecurityUniversity of SaskatchewanSaskatoonCanada
| | - Xiaofei Wang
- Cold Spring Harbor LaboratoryCold Spring HarborNew YorkUSA
| | | | - Leon Kochian
- Global Institute for Food SecurityUniversity of SaskatchewanSaskatoonCanada
| | | | - Doreen Ware
- Cold Spring Harbor LaboratoryCold Spring HarborNew YorkUSA
- U.S. Department of Agriculture‐Agricultural Research Service, NEA Robert W. Holley Center for Agriculture and HealthCornell UniversityIthacaNew YorkUSA
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Kirui CK, Njeru EM, Runo S. Diversity and Phosphate Solubilization Efficiency of Phosphate Solubilizing Bacteria Isolated from Semi-Arid Agroecosystems of Eastern Kenya. Microbiol Insights 2022; 15:11786361221088991. [PMID: 35464120 PMCID: PMC9019392 DOI: 10.1177/11786361221088991] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 02/09/2022] [Indexed: 12/02/2022] Open
Abstract
Phosphorus (P) is a major nutrient required for plant growth but it forms complexes with other elements in soil upon application. A cost-effective way of availing P to plants is by use of Phosphate Solubilizing Bacteria (PSB). There is a wide range of PSB suited for diverse agro-ecologies. A large part of Eastern Kenya especially the lower altitude regions are semi-arid with nutrient depleted soils and predominated by low-income smallholders farmers who do not afford costly inorganic fertilizers. To alleviate poor soil nutrition in this agroecosystem, we sought to study the diversity of phosphate solubilizing bacteria and their phosphate solubilization efficiency. The bacteria were selectively isolated in Pikovskaya’s agar media. Bacterial colonies were enumerated as Colony Forming Units and morphological characterization determined by analyzing morphological characteristics. Genetic characterization was determined based on sequencing of 16S rRNA. A total of 71 PSB were isolated and they were placed into 23 morphological groups. Correlation analysis showed a negative correlation between phosphate solubilizing bacteria and the levels of phosphorus, iron, calcium, magnesium and soil pH. Analysis of 16S rRNA sequences revealed that the genetic sequences of the isolates matched the strains from the genera Burkholderia, Pseudomonas, Bacillus, Enterobacter, Pantoea, Paraburkholderia, Cronobacter, Ralstonia, Curtobacterium, and Massilia deposited in NCBI Database. Analysis of Molecular Variance showed that variation within populations was higher than that of among populations. Phosphate solubilization index values ranged between 1.143 and 5.883. Findings on biodiversity of phosphate solubilizing bacteria led to identification of 10 candidate isolates for plant growth improvement and subsequently, bio-fertilizer development.
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Affiliation(s)
- Charles Kibet Kirui
- Department of Biochemistry, Microbiology & Biotechnology, Kenyatta University, Kenya
| | - Ezekiel Mugendi Njeru
- Department of Biochemistry, Microbiology & Biotechnology, Kenyatta University, Kenya
| | - Steven Runo
- Department of Biochemistry, Microbiology & Biotechnology, Kenyatta University, Kenya
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Dokwal D, Cocuron JC, Alonso AP, Dickstein R. Metabolite shift in Medicago truncatula occurs in phosphorus deprivation. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:2093-2111. [PMID: 34971389 DOI: 10.1093/jxb/erab559] [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: 04/22/2021] [Accepted: 12/30/2021] [Indexed: 06/14/2023]
Abstract
Symbiotic nitrogen (N) fixation entails successful interaction between legume hosts and rhizobia that occur in specialized organs called nodules. N-fixing legumes have a higher demand for phosphorus (P) than legumes grown on mineral N. Medicago truncatula is an important model plant for characterization of effects of P deficiency at the molecular level. Hence, a study was carried out to address the alteration in metabolite levels of M. truncatula grown aeroponically and subjected to 4 weeks of P stress. First, GC-MS-based untargeted metabolomics initially revealed changes in the metabolic profile of nodules, with increased levels of amino acids and sugars and a decline in amounts of organic acids. Subsequently, LC-MS/MS was used to quantify these compounds including phosphorylated metabolites in the whole plant. Our results showed a drastic reduction in levels of organic acids and phosphorylated compounds in -P leaves, with a moderate reduction in -P roots and nodules. Additionally, sugars and amino acids were elevated in the whole plant under P deprivation. These findings provide evidence that N fixation in M. truncatula is mediated through a N feedback mechanism that in parallel is related to carbon and P metabolism.
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Affiliation(s)
- Dhiraj Dokwal
- BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
| | | | - Ana Paula Alonso
- BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
| | - Rebecca Dickstein
- BioDiscovery Institute, University of North Texas, Denton, TX 76203, USA
- Department of Biological Sciences, University of North Texas, Denton, TX 76203, USA
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40
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Zhou M, Zhu S, Mo X, Guo Q, Li Y, Tian J, Liang C. Proteomic Analysis Dissects Molecular Mechanisms Underlying Plant Responses to Phosphorus Deficiency. Cells 2022; 11:cells11040651. [PMID: 35203302 PMCID: PMC8870294 DOI: 10.3390/cells11040651] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/02/2022] [Accepted: 01/05/2022] [Indexed: 01/25/2023] Open
Abstract
Phosphorus (P) is an essential nutrient for plant growth. In recent decades, the application of phosphate (Pi) fertilizers has contributed to significant increases in crop yields all over the world. However, low efficiency of P utilization in crops leads to intensive application of Pi fertilizers, which consequently stimulates environmental pollution and exhaustion of P mineral resources. Therefore, in order to strengthen the sustainable development of agriculture, understandings of molecular mechanisms underlying P efficiency in plants are required to develop cultivars with high P utilization efficiency. Recently, a plant Pi-signaling network was established through forward and reverse genetic analysis, with the aid of the application of genomics, transcriptomics, proteomics, metabolomics, and ionomics. Among these, proteomics provides a powerful tool to investigate mechanisms underlying plant responses to Pi availability at the protein level. In this review, we summarize the recent progress of proteomic analysis in the identification of differential proteins that play roles in Pi acquisition, translocation, assimilation, and reutilization in plants. These findings could provide insights into molecular mechanisms underlying Pi acquisition and utilization efficiency, and offer new strategies in genetically engineering cultivars with high P utilization efficiency.
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Affiliation(s)
- Ming Zhou
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; (M.Z.); (X.M.); (Q.G.); (Y.L.)
| | - Shengnan Zhu
- Life Science and Technology School, Lingnan Normal University, Zhanjiang 524048, China;
| | - Xiaohui Mo
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; (M.Z.); (X.M.); (Q.G.); (Y.L.)
| | - Qi Guo
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; (M.Z.); (X.M.); (Q.G.); (Y.L.)
| | - Yaxue Li
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; (M.Z.); (X.M.); (Q.G.); (Y.L.)
| | - Jiang Tian
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; (M.Z.); (X.M.); (Q.G.); (Y.L.)
- Correspondence: (J.T.); (C.L.); Tel.: +86-2085283380 (J.T.); +86-2085280156 (C.L.)
| | - Cuiyue Liang
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China; (M.Z.); (X.M.); (Q.G.); (Y.L.)
- Correspondence: (J.T.); (C.L.); Tel.: +86-2085283380 (J.T.); +86-2085280156 (C.L.)
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Akmakjian GZ, Bailey-Serres J. Gene regulatory circuitry of plant-environment interactions: scaling from cells to the field. CURRENT OPINION IN PLANT BIOLOGY 2022; 65:102122. [PMID: 34688206 DOI: 10.1016/j.pbi.2021.102122] [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: 06/22/2021] [Revised: 09/07/2021] [Accepted: 09/16/2021] [Indexed: 06/13/2023]
Abstract
Plant growth and development is the product of layers of sensing and regulation that are modulated by multifactorial environmental cues. Innovations in genomics currently allow gene regulatory control to be quantified at multiple scales and high resolution in defined cell populations and even in individual cells or nuclei in plants. The application of these 'omic technologies in highly controlled, as well as field environments is revolutionizing the recognition of factors critical to spatial and temporal responses to single or multiple environmental cues. Within and pan-species comparisons illuminate deeply conserved circuitry and targets of selection. This knowledge can benefit the breeding and engineering of crops with greater resilience to climate variability and the ability to augment nutrition through plant-microbial interactions.
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Affiliation(s)
- Garo Z Akmakjian
- Center for Plant Cell Biology, Botany and Plant Sciences Department, University of California, Riverside, CA, 92521, USA
| | - Julia Bailey-Serres
- Center for Plant Cell Biology, Botany and Plant Sciences Department, University of California, Riverside, CA, 92521, USA.
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Marro N, Lidoy J, Chico MÁ, Rial C, García J, Varela RM, Macías FA, Pozo MJ, Janoušková M, López-Ráez JA. Strigolactones: New players in the nitrogen-phosphorus signalling interplay. PLANT, CELL & ENVIRONMENT 2022; 45:512-527. [PMID: 34719040 DOI: 10.1111/pce.14212] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 10/15/2021] [Accepted: 10/25/2021] [Indexed: 05/08/2023]
Abstract
Nitrogen (N) and phosphorus (P) are among the most important macronutrients for plant growth and development, and the most widely used as fertilizers. Understanding how plants sense and respond to N and P deficiency is essential to optimize and reduce the use of chemical fertilizers. Strigolactones (SLs) are phytohormones acting as modulators and sensors of plant responses to P deficiency. In the present work, we assess the potential role of SLs in N starvation and in the N-P signalling interplay. Physiological, transcriptional and metabolic responses were analysed in wild-type and SL-deficient tomato plants grown under different P and N regimes, and in plants treated with a short-term pulse of the synthetic SL analogue 2'-epi-GR24. The results evidence that plants prioritize N over P status by affecting SL biosynthesis. We also show that SLs modulate the expression of key regulatory genes of phosphate and nitrate signalling pathways, including the N-P integrators PHO2 and NIGT1/HHO. The results support a key role for SLs as sensors during early plant responses to both N and phosphate starvation and mediating the N-P signalling interplay, indicating that SLs are involved in more physiological processes than so far proposed.
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Affiliation(s)
- Nicolás Marro
- Department of Mycorrhizal Symbioses, Institute of Botany of the Czech Academy of Sciences, Průhonice, Czech Republic
- Instituto Multidisciplinario de Biología Vegetal (IMBIV), CONICET, FCEFyN, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Javier Lidoy
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - María Ángeles Chico
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - Carlos Rial
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (CeiA3), School of Science, University of Cádiz, Cádiz, Spain
| | - Juan García
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - Rosa M Varela
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (CeiA3), School of Science, University of Cádiz, Cádiz, Spain
| | - Francisco A Macías
- Allelopathy Group, Department of Organic Chemistry, Institute of Biomolecules (INBIO), Campus de Excelencia Internacional (CeiA3), School of Science, University of Cádiz, Cádiz, Spain
| | - María J Pozo
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
| | - Martina Janoušková
- Department of Mycorrhizal Symbioses, Institute of Botany of the Czech Academy of Sciences, Průhonice, Czech Republic
| | - Juan A López-Ráez
- Group of Mycorrhizas, Department of Soil Microbiology and Symbiotic Systems, Estación Experimental del Zaidín (EEZ-CSIC), Granada, Spain
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Ji C, Li J, Jiang C, Zhang L, Shi L, Xu F, Cai H. Zinc and nitrogen synergistic act on root-to-shoot translocation and preferential distribution in rice. J Adv Res 2022; 35:187-198. [PMID: 35003800 PMCID: PMC8721242 DOI: 10.1016/j.jare.2021.04.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 04/06/2021] [Accepted: 04/15/2021] [Indexed: 11/30/2022] Open
Abstract
Zn promoted translocation and distribution of N into leaves and brown rice. Zn induced the expression levels of N transporter genes in both root and shoot. Zn increased the N assimilation level in leaves. N promoted translocation and distribution of Zn into leaves and brown rice. N up-regulated the expression levels of Zn transporter genes in both root and shoot.
Introduction Multiple studies have shown strong relationships between different nutrients in plants, and the important role of N in Zn acquisition and translocation has been recognized. Objectives The aim of this study was to estimate the effect of Zn on N uptake, translocation, and distribution in rice as well as the corresponding molecular mechanisms. We also aimed to evaluate the impact of N on the Zn content in rice grains which is closely related to the Zn nutrition in humans with rice-based diets. Methods We conducted both field trials and hydroponic cultures of two rice cultivars to analyze the growth and yield, the uptake, translocation, and distribution of N and Zn, as well as the expression of N transport and assimilation genes, and the Zn transporter genes under different combined applications of N and Zn. Results Zn supply promoted the root-to-shoot translocation (12–70% increasing) and distribution of N into the leaves (19–49% increasing) and brown rice (6–9% increasing) and increased the rice biomass (by 14–35%) and yield (by 13–63%). Zn supply induced the expression of OsNRTs and OsAMTs in both roots and shoots, but repressed the expression of OsNiR2, OsGS1;2, and OsFd-GOGAT in roots, whereas it activated the expression of OsNiR2, OsGS1;1, OsGS2, and OsFd-GOGAT in the shoots. Moreover, the enzyme activities of nitrite reductase, nitrate reductase, and glutamine synthetase increased and the free NO3– concentration decreased, but the soluble protein concentration increased significantly in the shoots after Zn supply. Synergistically, N significantly facilitated the root-to-shoot translocation (1.68–11.66 fold) and distribution of Zn into the leaves (1.68–6.37 fold) and brown rice (7–12% increasing) and upregulated the expression levels of Zn transporter genes in both the roots and shoots. Conclusions We propose a working model of the cross-talk between Zn and N in rice plants, which will aid in the appropriate combined application of Zn and N fertilizers in the field to improve both N utilization in plants and Zn nutrition in humans with rice-based diets.
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Key Words
- AMT, ammonium transporter
- Distribution
- GLY, Guangliangyou 35
- GOGAT, glutamate synthase
- GS, glutamine synthetase
- Interaction
- N, nitrogen
- NR, nitrate reductase
- NRT, nitrate transporter
- NiR, nitrite reductase
- Nip, Nipponbare
- Nitrogen
- Rice
- Translocation
- ZIP, ZRT, IRT-like protein
- Zinc
- Zn, Zinc
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Affiliation(s)
- Chenchen Ji
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Junli Li
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Cuncang Jiang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Lin Zhang
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Lei Shi
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
- National Key Laboratory of Crop Genetics and Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Fangsen Xu
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
- National Key Laboratory of Crop Genetics and Improvement, Huazhong Agricultural University, Wuhan 430070, China
| | - Hongmei Cai
- Microelement Research Center, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
- Corresponding author.
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Siqueira JA, Otoni WC, Araújo WL. The hidden half comes into the spotlight: Peeking inside the black box of root developmental phases. PLANT COMMUNICATIONS 2022; 3:100246. [PMID: 35059627 PMCID: PMC8760039 DOI: 10.1016/j.xplc.2021.100246] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 08/13/2021] [Accepted: 09/18/2021] [Indexed: 05/30/2023]
Abstract
Efficient use of natural resources (e.g., light, water, and nutrients) can be improved with a tailored developmental program that maximizes the lifetime and fitness of plants. In plant shoots, a developmental phase represents a time window in which the meristem triggers the development of unique morphological and physiological traits, leading to the emergence of leaves, flowers, and fruits. Whereas developmental phases in plant shoots have been shown to enhance food production in crops, this phenomenon has remained poorly investigated in roots. In light of recent advances, we suggest that root development occurs in three main phases: root apical meristem appearance, foraging, and senescence. We provide compelling evidence suggesting that these phases are regulated by at least four developmental pathways: autonomous, non-autonomous, hormonal, and periodic. Root developmental pathways differentially coordinate organ plasticity, promoting morphological alterations, tissue regeneration, and cell death regulation. Furthermore, we suggest how nutritional checkpoints may allow progression through the developmental phases, thus completing the root life cycle. These insights highlight novel and exciting advances in root biology that may help maximize the productivity of crops through more sustainable agriculture and the reduced use of chemical fertilizers.
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Paz-Ares J, Puga MI, Rojas-Triana M, Martinez-Hevia I, Diaz S, Poza-Carrión C, Miñambres M, Leyva A. Plant adaptation to low phosphorus availability: Core signaling, crosstalks, and applied implications. MOLECULAR PLANT 2022; 15:104-124. [PMID: 34954444 DOI: 10.1016/j.molp.2021.12.005] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/11/2021] [Accepted: 12/20/2021] [Indexed: 05/25/2023]
Abstract
Phosphorus (P) is an essential nutrient for plant growth and reproduction. Plants preferentially absorb P as orthophosphate (Pi), an ion that displays low solubility and that is readily fixed in the soil, making P limitation a condition common to many soils and Pi fertilization an inefficient practice. To cope with Pi limitation, plants have evolved a series of developmental and physiological responses, collectively known as the Pi starvation rescue system (PSR), aimed to improve Pi acquisition and use efficiency (PUE) and protect from Pi-starvation-induced stress. Intensive research has been carried out during the last 20 years to unravel the mechanisms underlying the control of the PSR in plants. Here we review the results of this research effort that have led to the identification and characterization of several core Pi starvation signaling components, including sensors, transcription factors, microRNAs (miRNAs) and miRNA inhibitors, kinases, phosphatases, and components of the proteostasis machinery. We also refer to recent results revealing the existence of intricate signaling interplays between Pi and other nutrients and antagonists, N, Fe, Zn, and As, that have changed the initial single-nutrient-centric view to a more integrated view of nutrient homeostasis. Finally, we discuss advances toward improving PUE and future research priorities.
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Affiliation(s)
- Javier Paz-Ares
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain.
| | - Maria Isabel Puga
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Monica Rojas-Triana
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Iris Martinez-Hevia
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Sergio Diaz
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Cesar Poza-Carrión
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Miguel Miñambres
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
| | - Antonio Leyva
- Department of Plant Molecular Genetics, Centro Nacional de Biotecnología (CNB-CSIC), Darwin 3, Campus Universidad Autónoma, 28049 Madrid, Spain
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Pélissier PM, Motte H, Beeckman T. Lateral root formation and nutrients: nitrogen in the spotlight. PLANT PHYSIOLOGY 2021; 187:1104-1116. [PMID: 33768243 PMCID: PMC8566224 DOI: 10.1093/plphys/kiab145] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 03/12/2021] [Indexed: 05/08/2023]
Abstract
Lateral roots are important to forage for nutrients due to their ability to increase the uptake area of a root system. Hence, it comes as no surprise that lateral root formation is affected by nutrients or nutrient starvation, and as such contributes to the root system plasticity. Understanding the molecular mechanisms regulating root adaptation dynamics toward nutrient availability is useful to optimize plant nutrient use efficiency. There is at present a profound, though still evolving, knowledge on lateral root pathways. Here, we aimed to review the intersection with nutrient signaling pathways to give an update on the regulation of lateral root development by nutrients, with a particular focus on nitrogen. Remarkably, it is for most nutrients not clear how lateral root formation is controlled. Only for nitrogen, one of the most dominant nutrients in the control of lateral root formation, the crosstalk with multiple key signals determining lateral root development is clearly shown. In this update, we first present a general overview of the current knowledge of how nutrients affect lateral root formation, followed by a deeper discussion on how nitrogen signaling pathways act on different lateral root-mediating mechanisms for which multiple recent studies yield insights.
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Affiliation(s)
- Pierre-Mathieu Pélissier
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent 9052, Belgium
- VIB-UGent Center for Plant Systems Biology, Ghent 9052, Belgium
| | - Hans Motte
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent 9052, Belgium
- VIB-UGent Center for Plant Systems Biology, Ghent 9052, Belgium
| | - Tom Beeckman
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent 9052, Belgium
- VIB-UGent Center for Plant Systems Biology, Ghent 9052, Belgium
- Author for communication:
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Fan X, Zhou X, Chen H, Tang M, Xie X. Cross-Talks Between Macro- and Micronutrient Uptake and Signaling in Plants. FRONTIERS IN PLANT SCIENCE 2021; 12:663477. [PMID: 34721446 PMCID: PMC8555580 DOI: 10.3389/fpls.2021.663477] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 08/30/2021] [Indexed: 05/05/2023]
Abstract
In nature, land plants as sessile organisms are faced with multiple nutrient stresses that often occur simultaneously in soil. Nitrogen (N), phosphorus (P), sulfur (S), zinc (Zn), and iron (Fe) are five of the essential nutrients that affect plant growth and health. Although these minerals are relatively inaccessible to plants due to their low solubility and relative immobilization, plants have adopted coping mechanisms for survival under multiple nutrient stress conditions. The double interactions between N, Pi, S, Zn, and Fe have long been recognized in plants at the physiological level. However, the molecular mechanisms and signaling pathways underlying these cross-talks in plants remain poorly understood. This review preliminarily examined recent progress and current knowledge of the biochemical and physiological interactions between macro- and micro-mineral nutrients in plants and aimed to focus on the cross-talks between N, Pi, S, Zn, and Fe uptake and homeostasis in plants. More importantly, we further reviewed current studies on the molecular mechanisms underlying the cross-talks between N, Pi, S, Zn, and Fe homeostasis to better understand how these nutrient interactions affect the mineral uptake and signaling in plants. This review serves as a basis for further studies on multiple nutrient stress signaling in plants. Overall, the development of an integrative study of multiple nutrient signaling cross-talks in plants will be of important biological significance and crucial to sustainable agriculture.
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Affiliation(s)
| | | | | | - Ming Tang
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
| | - Xianan Xie
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou, China
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48
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Jiang W, He P, Zhou M, Lu X, Chen K, Liang C, Tian J. Soybean responds to phosphate starvation through reversible protein phosphorylation. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 167:222-234. [PMID: 34371392 DOI: 10.1016/j.plaphy.2021.08.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/19/2021] [Accepted: 08/05/2021] [Indexed: 06/13/2023]
Abstract
Phosphorus (P) deficiency is considered as a major constraint on crop production. Although a set of adaptative strategies are extensively suggested in soybean (Glycine max) to phosphate (Pi) deprivation, molecular mechanisms underlying reversible protein phosphorylation in soybean responses to P deficiency remains largely unclear. In this study, isobaric tags for relative and absolute quantitation, combined with liquid chromatography and tandem mass spectrometry analysis was performed to identify differential phosphoproteins in soybean roots under Pi sufficient and deficient conditions. A total of 427 phosphoproteins were found to exhibit differential accumulations, with 213 up-regulated and 214 down-regulated. Among them, a nitrate reductase, GmNR4 exhibiting increased phosphorylation levels under low Pi conditions, was further selected to evaluate the effects of phosphorylation on its nitrate reductase activity and subcellular localization. Mutations of GmNR4 phosphorylation levels significantly influenced its activity in vitro, but not for its subcellular localization. Taken together, identification of differential phosphoproteins reveled the complex regulatory pathways for soybean adaptation to Pi starvation through reversible protein phosphorylation.
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Affiliation(s)
- Weizhen Jiang
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China; School of Traditional Chinese Medicine Resources, Guangdong Pharmaceutical University, Guangzhou, 510006, China
| | - Panmin He
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Ming Zhou
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Xing Lu
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Kang Chen
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Cuiyue Liang
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China.
| | - Jiang Tian
- Root Biology Center, State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China.
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Wang W, Li A, Zhang Z, Chu C. Posttranslational Modifications: Regulation of Nitrogen Utilization and Signaling. PLANT & CELL PHYSIOLOGY 2021; 62:543-552. [PMID: 33493288 PMCID: PMC8462382 DOI: 10.1093/pcp/pcab008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 01/07/2021] [Indexed: 05/08/2023]
Abstract
Nitrogen is the most important macroelement required for the composition of key molecules, such as nucleic acids, proteins and other organic compounds. As sessile organisms, plants have evolved sophisticated mechanisms to acquire nitrogen for their normal growth and development. Besides the transcriptional and translational regulation of nitrogen uptake, assimilation, remobilization and signal transduction, posttranslational modifications (PTMs) are shown to participate in these processes in plants. In addition to alterations in protein abundance, PTMs may dramatically increase the complexity of the proteome without the concomitant changes in gene transcription and have emerged as an important type of protein regulation in terms of protein function, subcellular localization and protein activity and stability. Herein, we briefly summarize recent advances on the posttranslational regulation of nitrogen uptake, assimilation, remobilization and nitrogen signaling and discuss the underlying mechanisms of PTMs as well as the signal output of such PTMs. Understanding these regulation mechanisms will provide novel insights for improving the nitrogen use efficiency of plants.
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Affiliation(s)
- Wei Wang
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, The Innovative Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China
| | - Aifu Li
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, The Innovative Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhihua Zhang
- State Key Laboratory of Plant Genomics, Institute of Genetics and Developmental Biology, The Innovative Academy for Seed Design, Chinese Academy of Sciences, Beijing 100101, China
- School of Life Sciences, Guangzhou University, Guangzhou 510006, China
| | - Chengcai Chu
- * Corresponding author: E-mail, ; Fax, +86-10-64806608
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50
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Ueda Y, Sakuraba Y, Yanagisawa S. Environmental Control of Phosphorus Acquisition: A Piece of the Molecular Framework Underlying Nutritional Homeostasis. PLANT & CELL PHYSIOLOGY 2021; 62:573-581. [PMID: 33508134 DOI: 10.1093/pcp/pcab010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 01/12/2021] [Indexed: 05/22/2023]
Abstract
Homeostasis of phosphorus (P), an essential macronutrient, is vital for plant growth under diverse environmental conditions. Although plants acquire P from the soil as inorganic phosphate (Pi), its availability is generally limited. Therefore, plants employ mechanisms involving various Pi transporters that facilitate efficient Pi uptake against a steep concentration gradient across the plant-soil interface. Among the different types of Pi transporters in plants, some members of the PHOSPHATE TRANSPORTER 1 (PHT1) family, present in the plasma membrane of root epidermal cells and root hairs, are chiefly responsible for Pi uptake from the rhizosphere. Therefore, accurate regulation of PHT1 expression is crucial for the maintenance of P homeostasis. Previous investigations positioned the Pi-dependent posttranslational regulation of PHOSPHATE STARVATION RESPONSE 1 (PHR1) transcription factor activity at the center of the regulatory mechanism controlling PHT1 expression and P homeostasis; however, recent studies indicate that several other factors also regulate the expression of PHT1 to modulate P acquisition and sustain P homeostasis against environmental fluctuations. Together with PHR1, several transcription factors that mediate the availability of other nutrients (such as nitrogen and zinc), light, and stress signals form an intricate transcriptional network to maintain P homeostasis under highly diverse environments. In this review, we summarize this intricate transcriptional network for the maintenance of P homeostasis under different environmental conditions, with a main focus on the mechanisms identified in Arabidopsis.
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Affiliation(s)
- Yoshiaki Ueda
- Crop, Livestock and Environment Division, Japan International Research Center for Agricultural Sciences, Ohwashi 1-1, Tsukuba, Ibaraki, 305-8686 Japan
| | - Yasuhito Sakuraba
- Biotechnology Research Center, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo, 113-8657, Japan
| | - Shuichi Yanagisawa
- Biotechnology Research Center, The University of Tokyo, Yayoi 1-1-1, Bunkyo-ku, Tokyo, 113-8657, Japan
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