1
|
Hou L, Zhang D, Wu Q, Gao X, Wang J. Analysis and profiling of the purple acid phosphatase gene family in wheat (Triticum aestivum L.). PROTOPLASMA 2024:10.1007/s00709-024-01983-6. [PMID: 39207505 DOI: 10.1007/s00709-024-01983-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2024] [Accepted: 08/22/2024] [Indexed: 09/04/2024]
Abstract
Purple acid phosphatases (PAPs) play a vital role in plant phosphorus nutrition, serving as a crucial family of metallo-phosphoesterase enzymes. This research aimed to identify the PAP genes from the A/B/D genomes of Triticum aestivum to elucidate evolutionary mechanisms of the gene family in plants and provide genomic information for subsequent research on phosphorous-use efficiency in wheat crops. In total, 105 PAP genes (TaPAPs) were identified from the A/B/D genomes by using the Arabidopsis thaliana and Oryza sativa PAP protein sequences as queries for BLASTP against the wheat protein database. The TaPAPs were grouped into six subfamilies, Ia (17), Ib (26), IIa (11), IIb (30), IIIa (12), and IIIb (9), based on their similarities in the structure of genes and the presence of conserved protein motifs. A majority of TaPAPs were derived from tandemly (20) or segmentally (87) duplicated, with the homoeologous chromosomes 5A/B/D harboring the most duplicated PAP genes. Further analysis indicated that TaPAPs were responsible for the modulation of seed, root, and leaf development and hormone synthesis and signaling, as well as plant responses to abiotic stresses, including low temperatures, drought, and anaerobic conditions. Nine TaPAPs (TaPAP9-4A/4B/4D, TaPAP24-6A/6B/6D, and TaPAP28-7A/7B/7D) were constitutively expressed in diverse tissues such as root, shoot, leaf, spike, and seed, while the remaining genes exhibited tissue-specific expression patterns. Concerning the response to phosphate (Pi) deprivation, 57 TaPAPs were highly expressed in roots under Pi stress, including TaPAP31-4A, 4B, and 4D homeologs from the subfamily IIIb. A TaPAP31-4A transgene in A. thaliana promoted plant growth and development while increasing plant resistance to Pi-deficiency stress by enhancing the secretion of phosphatase. These discoveries provide a scientific foundation for comprehending the role of TaPAPs, offering valuable insights for identifying additional candidate genes and fostering the development of new wheat varieties with enhanced tolerance to low phosphorus conditions.
Collapse
Affiliation(s)
- Lijiang Hou
- Key Laboratory of Anyang Wheat Breeding Engineering Research Center, Anyang Institute of Technology, Anyang, 455000, Henan, China
- College of Agronomy, Northwest A&F University, Yangling, Shaanxi, China
| | - Dongzhi Zhang
- College of Life Sciences and Engineering, Hexi University, Zhangye, 734000, China
| | - Qiufang Wu
- Key Laboratory of Anyang Wheat Breeding Engineering Research Center, Anyang Institute of Technology, Anyang, 455000, Henan, China
| | - Xinqiang Gao
- Key Laboratory of Anyang Wheat Breeding Engineering Research Center, Anyang Institute of Technology, Anyang, 455000, Henan, China
| | - Junwei Wang
- College of Agronomy, Northwest A&F University, Yangling, Shaanxi, China.
| |
Collapse
|
2
|
Chen J, Yang Y, Feng H, Sun D, Hu C, Chen Y, Liu C, Cao Y, Ma LQ. Novel phosphatase PvPAP1 from the As-hyperaccumulator Pteris vittata promotes organic P utilization and plant growth: Extracellular exudation and phytate hydrolysis. JOURNAL OF HAZARDOUS MATERIALS 2024; 474:134867. [PMID: 38861900 DOI: 10.1016/j.jhazmat.2024.134867] [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: 03/18/2024] [Revised: 05/23/2024] [Accepted: 06/07/2024] [Indexed: 06/13/2024]
Abstract
Organic phosphorus (Po) is a large component of soil P, but it is often unavailable for plant uptake. Purple acid phosphatases (PAP) can hydrolyze a wide range of Po, playing an important role in Po utilization by plants. In this study, we investigated a novel secretary PvPAP1 from the As-hyperaccumulator Pteris vittata, which can effectively utilize exogenous Po, including adenosine triphosphate (ATP) and phytate. Unlike other PAP, PvPAP1 was abundantly-expressed in P. vittata roots, which was upregulated 3.5-folds under P-deprivation than P-sufficient conditions. When expressed in tobacco, its activity in the roots of PvPAP1-Ex lines was ∼8 folds greater than that in wild-type (WT) plants. Besides, PvPAP1 exhibited its secretory ability as evidenced by the sapphire-blue color on the root surface after treating with 5-bromo-4-chloro-3-indolyl phosphate. In a long-term experiment using sand media, PvPAP1-expressing tobacco plants showed 25-30 % greater root biomass than WT plants when using ATP as the sole P source. This is because PvPAP1-expression enhanced its phosphatase activity by 6.5-9.2 folds in transgenic tobacco, thereby increasing the P contents by 39-41 % in its roots under ATP treatment and 9.4-30 % under phytate treatment. The results highlight PvPAP1 as a novel secreted phosphatase crucial for external Po utilization in P. vittata, suggesting that PvPAP1 has the potential to serve as a valuable gene resource for enhancing Po utilization by crop plants.
Collapse
Affiliation(s)
- Junxiu Chen
- State Key Lab of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China
| | - Yulu Yang
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Huayuan Feng
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Lab for Environmental Pollution Control and Remediation Technology, Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510275, China
| | - Dan Sun
- School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China
| | - Chunyan Hu
- Institute of Soil and Water Resources and Environmental science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yanshan Chen
- School of the Environment, Nanjing Normal University, Nanjing 210023, China
| | - Chenjing Liu
- Institute of Soil and Water Resources and Environmental science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Yue Cao
- State Key Lab of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China; School of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510006, China; Guangdong Provincial Key Lab for Environmental Pollution Control and Remediation Technology, Guangdong Provincial Engineering Research Center for Heavy Metal Contaminated Soil Remediation, Sun Yat-sen University, Guangzhou 510275, China.
| | - Lena Q Ma
- Institute of Soil and Water Resources and Environmental science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| |
Collapse
|
3
|
Zhang H, He X, Munyaneza V, Zhang G, Ye X, Wang C, Shi L, Wang X, Ding G. Acid phosphatase involved in phosphate homeostasis in Brassica napus and the functional analysis of BnaPAP10s. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108389. [PMID: 38377886 DOI: 10.1016/j.plaphy.2024.108389] [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: 09/09/2023] [Revised: 12/21/2023] [Accepted: 01/18/2024] [Indexed: 02/22/2024]
Abstract
Purple acid phosphatases (PAPs) are involved in activating the rhizosphere's organic phosphorus (P) and promoting P recycling during plant development, especially under the long-term P deficiency conditions in acid soil. However, the function of BnaPAPs in response to P deficiency stress in Brassica napus has rarely been explored. In this study, we found that the acid phosphatase activities (APA) of rapeseed shoot and root increased under P deficienct conditions. Genome-wide identification found that 82 PAP genes were unevenly distributed on 19 chromosomes in B. napus, which could be divided into eight subfamilies. The segmental duplication events were the main driving force for expansion during evolution, and the gene structures and conserved motifs of most members within the same subfamily were highly conservative. Moreover, the expression levels of 37 and 23 different expressed genes were induced by low P in leaf and root, respectively. BnaA09.PAP10a and BnaC09.PAP10a were identified as candidate genes via interaction networks. Significantly, both BnaPAP10a overexpression lines significantly increased root-related APA and total phosphate concentration under P deficiency and ATP supply conditions, thereby improving plant growth and root length. In summary, our results provided a valuable foundation for further study of BnaPAP functions.
Collapse
Affiliation(s)
- Hao Zhang
- College of Resources and Environment/Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, 430070, Wuhan, China
| | - Xuyou He
- College of Resources and Environment/Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, 430070, Wuhan, China
| | - Venuste Munyaneza
- College of Resources and Environment/Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, 430070, Wuhan, China
| | - Guangzeng Zhang
- College of Resources and Environment/Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, 430070, Wuhan, China
| | - Xiangsheng Ye
- College of Resources and Environment/Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, 430070, Wuhan, China
| | - Chuang Wang
- College of Resources and Environment/Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, 430070, Wuhan, China
| | - Lei Shi
- College of Resources and Environment/Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, 430070, Wuhan, China
| | - Xu Wang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, 510000, Guangdong, China
| | - Guangda Ding
- College of Resources and Environment/Microelement Research Center/Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtze River), Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, 430070, Wuhan, China.
| |
Collapse
|
4
|
Luo J, Chen Z, Huang R, Wu Y, Liu C, Cai Z, Dong R, Arango J, Rao IM, Schultze-Kraft R, Liu G, Liu P. Multi-omics analysis reveals the roles of purple acid phosphatases in organic phosphorus utilization by the tropical legume Stylosanthes guianensis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 117:729-746. [PMID: 37932930 DOI: 10.1111/tpj.16526] [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: 01/03/2022] [Accepted: 10/23/2023] [Indexed: 11/08/2023]
Abstract
Stylo (Stylosanthes guianensis) is a tropical legume known for its exceptional tolerance to low phosphate (Pi), a trait believed to be linked to its high acid phosphatase (APase) activity. Previous studies have observed genotypic variations in APase activity in stylo; however, the gene encoding the crucial APase responsible for this variation remains unidentified. In this study, transcriptomic and proteomic analyses were employed to identify eight Pi starvation-inducible (PSI) APases belonging to the purple APase (PAP) family in the roots of stylo and seven in the leaves. Among these PSI-PAPs, SgPAP7 exhibited a significantly positive correlation in its expression levels with the activities of both internal APase and root-associated APase across 20 stylo genotypes under low-Pi conditions. Furthermore, the recombinant SgPAP7 displayed high catalytic activity toward adenosine 5'-diphosphate (ADP) and phosphoenolpyruvate (PEP) in vitro. Overexpression (OE) of SgPAP7 in Arabidopsis facilitated exogenous organic phosphorus utilization. Moreover, SgPAP7 OE lines showed lower shoot ADP and PEP levels than the wild type, implying that SgPAP7 is involved in the catabolism and recycling of endogenous ADP and PEP, which could be beneficial for plant growth in low-Pi soils. In conclusion, SgPAP7 is a key gene with a major role in stylo adaptation to low-Pi conditions by facilitating the utilization of both exogenous and endogenous organic phosphorus sources. It may also function as a PEP phosphatase involved in a glycolytic bypass pathway that minimizes the need for adenylates and Pi. Thus, SgPAP7 could be a promising target for improving tolerance of crops to low-Pi availability.
Collapse
Affiliation(s)
- Jiajia Luo
- Tropical Crops Genetic Resources Institute & National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Zhijian Chen
- Tropical Crops Genetic Resources Institute & National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Rui Huang
- Tropical Crops Genetic Resources Institute & National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Yuanhang Wu
- College of Tropical Crops & College of Forestry, Hainan University, Haikou, 570228, China
| | - Chun Liu
- Tropical Crops Genetic Resources Institute & National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
- College of Tropical Crops & College of Forestry, Hainan University, Haikou, 570228, China
| | - Zeping Cai
- College of Tropical Crops & College of Forestry, Hainan University, Haikou, 570228, China
| | - Rongshu Dong
- Tropical Crops Genetic Resources Institute & National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Jacobo Arango
- Alliance of Bioversity International and International Center for Tropical Agriculture, Cali, 763537, Colombia
| | - Idupulapati Madhusudana Rao
- Alliance of Bioversity International and International Center for Tropical Agriculture, Cali, 763537, Colombia
| | - Rainer Schultze-Kraft
- Alliance of Bioversity International and International Center for Tropical Agriculture, Cali, 763537, Colombia
| | - Guodao Liu
- Tropical Crops Genetic Resources Institute & National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| | - Pandao Liu
- Tropical Crops Genetic Resources Institute & National Key Laboratory for Tropical Crop Breeding, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
| |
Collapse
|
5
|
Liu Y, Li C, Zhang D, Huang S, Wang Y, Wang E, Zhu L, Chen M, Zhang X, Yuan R, Zhang L, Wang W, Jia Q, Liu Z, Zhang Y. SlPHL1 positively modulates acid phosphatase in response to phosphate starvation by directly activating the genes SlPAP10b and SlPAP15 in tomato. PHYSIOLOGIA PLANTARUM 2024; 176:e14197. [PMID: 38344855 DOI: 10.1111/ppl.14197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 01/19/2024] [Indexed: 02/15/2024]
Abstract
Increased acid phosphatase (APase) activity is a prominent feature of tomato (Solanum lycopersicum) responses to inorganic phosphate (Pi) restriction. SlPHL1, a phosphate starvation response (PHR) transcription factor, has been identified as a positive regulator of low Pi (LP)-induced APase activity in tomato. However, the molecular mechanism underlying this regulation remains to be elucidated. Here, SlPHL1 was found to positively regulate the LP-induced expression of five potential purple acid phosphatase (PAP) genes, namely SlPAP7, SlPAP10b, SlPAP12, SlPAP15, and SlPAP17b. Furthermore, we provide evidence that SlPHL1 can stimulate transcription of these five genes by binding directly to the PHR1 binding sequence (P1BS) located on their promoters. The P1BS mutation notably weakened SlPHL1 binding to the promoters of SlPAP7, SlPAP12, and SlPAP17b but almost completely abolished SlPHL1 binding to the promoters of SlPAP10b and SlPAP15. As a result, the transcriptional activation of SlPHL1 on SlPAP10b and SlPAP15 was substantially diminished. In addition, not only did transient overexpression of either SlPAP10b or SlPAP15 in tobacco leaves increase APase activity, but overexpression of SlPAP15 in Arabidopsis and tomato also increased APase activity and promoted plant growth. Subsequently, two SPX proteins, SlSPX1 and SlSPX4, were shown to physically interact with SlPHL1. Moreover, SlSPX1 inhibited the transcriptional activation of SlPHL1 on SlPAP10b and SlPAP15 and negatively regulated the activity of APase. Taken together, these results demonstrate that SlPHL1-mediated LP signaling promotes APase activity by activating the transcription of SlPAP10b and SlPAP15, which may provide valuable insights into the mechanisms of tomato response to Pi-limited stress.
Collapse
Affiliation(s)
- Yanan Liu
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province Universities, Fuzhou, China
| | - Chengquan Li
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Duanmei Zhang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shaoxuan Huang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yi Wang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Enhui Wang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Lin Zhu
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Mingxue Chen
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xinyao Zhang
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Rui Yuan
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Lang Zhang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Wei Wang
- College of Life Sciences, Ningde Normal University, Ningde, China
| | - Qi Jia
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Zhongjuan Liu
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province Universities, Fuzhou, China
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Yongqiang Zhang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of JunCao Science and Ecology, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province Universities, Fuzhou, China
- College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, China
| |
Collapse
|
6
|
Singh NRR, Roychowdhury A, Srivastava R, Gaganan GA, Parida AP, Kumar R. Silencing of SlSPX1 and SlSPX2 promote growth and root mycorrhization in tomato (Solanum lycopersicum L.) seedlings. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 333:111723. [PMID: 37142098 DOI: 10.1016/j.plantsci.2023.111723] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/10/2023] [Accepted: 05/01/2023] [Indexed: 05/06/2023]
Abstract
Owing to the essential requirement of phosphorus (P) for growth and development, plants tightly control inorganic phosphate (Pi) homeostasis. SPX-PHR regulatory circuit not only control phosphate homeostasis responses but also root mycorrhization by arbuscular mycorrhiza (AM) fungi. Besides sensing Pi deficiency, SPX (SYG1/Pho81/XPR1) proteins also control the transcription of P starvation inducible (PSI) genes by blocking the activity of PHR1 (PHOSPHATE STARVATION RESPONSE1) homologs in plants under Pi-sufficient conditions. However, the roles of SPX members in Pi homeostasis and AM fungi colonization remain to be fully recognized in tomato. In this study, we identified 17 SPX-domain containing members in the tomato genome. Transcript profiling revealed the high Pi-specific nature of their activation. Four SlSPX members have also induced in AM colonized roots. Interestingly, we found that SlSPX1 and SlSPX2 are induced by P starvation and AM colonization. Further, SlSPX1 and SlSPX2 exhibited varying degrees of interaction with the PHR homologs in this study. Virus-induced gene silencing-based (VIGS) transcript inhibition of these genes alone or together promoted the accumulation of higher total soluble Pi in tomato seedlings and improved their growth. It also enhanced AM fungi colonization in the roots of SlSPX1 and SlSPX2 silenced seedlings. Overall, the present study provides evidence in support of SlSPX members being good candidates for improving AM fungi colonization potential in tomato.
Collapse
Affiliation(s)
| | | | - Rajat Srivastava
- Department of Plant Sciences, University of Hyderabad, Hyderabad, 500046, India
| | | | - Adwaita Prasad Parida
- Department of Entomology, Texas A&M University, College Station, Texas 77843-2475, USA
| | - Rahul Kumar
- Department of Plant Sciences, University of Hyderabad, Hyderabad, 500046, India.
| |
Collapse
|
7
|
Roychowdhury A, Srivastava R, Akash, Shukla G, Zehirov G, Mishev K, Kumar R. Metabolic footprints in phosphate-starved plants. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2023; 29:755-767. [PMID: 37363416 PMCID: PMC10284745 DOI: 10.1007/s12298-023-01319-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 05/26/2023] [Accepted: 05/29/2023] [Indexed: 06/28/2023]
Abstract
Plants' requirement of Phosphorus (P) as an essential macronutrient is obligatory for their normal growth and metabolism. Besides restricting plants' primary growth, P depletion affects both primary and secondary metabolism and leads to altered levels of sugars, metabolites, amino acids, and other secondary compounds. Such metabolic shifts help plants optimize their metabolism and growth under P limited conditions. Under P deprivation, both sugar levels and their mobilization change that influences the expression of Pi starvation-inducible genes. Increased sugar repartitioning from shoot to root help root growth and organic acids secretion that in turn promotes phosphate (Pi) uptake from the soil. Other metabolic changes such as lipid remodeling or P reallocation from older to younger leaves release the P from its bound forms in the cell. In this review, we summarize the metabolic footprinting of Pi-starved plants with respect to the benefits offered by such metabolic changes to intracellular Pi homeostasis.
Collapse
Affiliation(s)
- Abhishek Roychowdhury
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana 500046 India
| | - Rajat Srivastava
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana 500046 India
| | - Akash
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana 500046 India
| | - Gyanesh Shukla
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana 500046 India
| | - Grigor Zehirov
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Kiril Mishev
- Institute of Plant Physiology and Genetics, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Rahul Kumar
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana 500046 India
| |
Collapse
|
8
|
Wu Y, Zhao C, Zhao X, Yang L, Liu C, Jiang L, Liu G, Liu P, Luo L. Multi-omics-based identification of purple acid phosphatases and metabolites involved in phosphorus recycling in stylo root exudates. Int J Biol Macromol 2023; 241:124569. [PMID: 37100319 DOI: 10.1016/j.ijbiomac.2023.124569] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 04/01/2023] [Accepted: 04/12/2023] [Indexed: 04/28/2023]
Abstract
Stylo (Stylosanthes guianensis) is a tropical forage and cover crop that possesses low phosphate (Pi) tolerance traits. However, the mechanisms underlying its tolerance to low-Pi stress, particularly the role of root exudates, remain unclear. This study employed an integrated approach using physiological, biochemical, multi-omics, and gene function analyses to investigate the role of stylo root exudates in response to low-Pi stress. Widely targeted metabolomic analysis revealed that eight organic acids and one amino acid (L-cysteine) were significantly increased in the root exudates of Pi-deficient seedlings, among which tartaric acid and L-cysteine had strong abilities to dissolve insoluble-P. Furthermore, flavonoid-targeted metabolomic analysis identified 18 flavonoids that were significantly increased in root exudates under low-Pi conditions, mainly belonging to the isoflavonoid and flavanone subclasses. Additionally, transcriptomic analysis revealed that 15 genes encoding purple acid phosphatases (PAPs) had upregulated expression in roots under low-Pi conditions. Among them, SgPAP10 was characterized as a root-secreted phosphatase, and overexpression of SgPAP10 enhanced organic-P utilization by transgenic Arabidopsis. Overall, these findings provide detailed information regarding the importance of stylo root exudates in adaptation to low-Pi stress, highlighting the plant's ability to release Pi from organic-P and insoluble-P sources through root-secreted organic acids, amino acids, flavonoids, and PAPs.
Collapse
Affiliation(s)
- Yuanhang Wu
- College of Tropical Crops, Hainan University, Haikou 570228, China; Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China; Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
| | - Cang Zhao
- College of Tropical Crops, Hainan University, Haikou 570228, China; Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China; Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
| | - Xingkun Zhao
- College of Tropical Crops, Hainan University, Haikou 570228, China; Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
| | - Liyun Yang
- College of Tropical Crops, Hainan University, Haikou 570228, China; Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
| | - Chun Liu
- College of Tropical Crops, Hainan University, Haikou 570228, China; Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
| | - Lingyan Jiang
- College of Tropical Crops, Hainan University, Haikou 570228, China; Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China
| | - Guodao Liu
- Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China
| | - Pandao Liu
- Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China.
| | - Lijuan Luo
- College of Tropical Crops, Hainan University, Haikou 570228, China; Sanya Nanfan Research Institute of Hainan University, Sanya 572025, China.
| |
Collapse
|
9
|
Jamali Langeroudi A, Sabet MS, Jalali-Javaran M, Zamani K, Lohrasebi T, Malboobi MA. Functional assessment of AtPAP17; encoding a purple acid phosphatase involved in phosphate metabolism in Arabidopsis thaliana. Biotechnol Lett 2023; 45:719-739. [PMID: 37074554 DOI: 10.1007/s10529-023-03375-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 03/05/2023] [Accepted: 04/03/2023] [Indexed: 04/20/2023]
Abstract
PURPOSE Purple acid phosphatases (PAPs) includ the largest classes of non-specific plant acid phosphatases. Most characterized PAPs were found to play physiological functions in phosphorus metabolism. In this study, we investigated the function of AtPAP17 gene encoding an important purple acid phosphatase in Arabidopsis thaliana. METHODS The full-length cDNA sequence of AtPAP17 gene under the control of CaMV-35S promoter was transferred to the A. thaliana WT plant. The generated homozygote AtPAP17-overexpressed plants were compared by the types of analyses with corresponding homozygote atpap17-mutant plant and WT in both + P (1.2 mM) and - P (0 mM) conditions. RESULTS In the + P condition, the highest and the lowest amount of Pi was observed in AtPAP17-overexpressed plants and atpap17-mutant plants by 111% increase and 38% decrease compared with the WT plants, respectively. Furthermore, under the same condition, APase activity of AtPAP17-overexpressed plants increased by 24% compared to the WT. Inversely, atpap17-mutant plant represented a 71% fall compared to WT plants. The comparison of fresh weight and dry weight in the studied plants showed that the highest and the lowest amount of absorbed water belonged to OE plants (with 38 and 12 mg plant-1) and Mu plants (with 22 and 7 mg plant-1) in + P and - P conditions, respectively. CONCLUSION The lack of AtPAP17 gene in the A. thaliana genome led to a remarkable reduction in the development of root biomass. Thus, AtPAP17 could have an important role in the root but not shoot developmental and structural programming. Consequently, this function enables them to absorb more water and eventually associated with more phosphate absorption.
Collapse
Affiliation(s)
- Arash Jamali Langeroudi
- Department of Agricultural Biotechnology, Faculty of Agriculture, Tarbiat Modares University, P.O. Box 14115-336, Tehran, Iran
| | - Mohammad Sadegh Sabet
- Department of Plant Genetics and Breeding, Faculty of Agriculture, Tarbiat Modares University, P.O. Box 14115-336, Tehran, Iran.
| | - Mokhtar Jalali-Javaran
- Department of Agricultural Biotechnology, Faculty of Agriculture, Tarbiat Modares University, P.O. Box 14115-336, Tehran, Iran
| | - Katayoun Zamani
- Department of Genetic Engineering and Biosafety, Agricultural Biotechnology Research Institute of Iran, Agricultural Research, Education, and Extension Organization, Karaj, Tehran, Iran
| | - Tahmineh Lohrasebi
- Department of Plant Biotechnology, National Institute of Genetic Engineering and Biotechnology, P.O. Box 14965-161, Tehran, Iran
| | - Mohammad Ali Malboobi
- Department of Plant Biotechnology, National Institute of Genetic Engineering and Biotechnology, P.O. Box 14965-161, Tehran, Iran
| |
Collapse
|
10
|
Yoshitake Y, Yoshimoto K. Intracellular phosphate recycling systems for survival during phosphate starvation in plants. FRONTIERS IN PLANT SCIENCE 2023; 13:1088211. [PMID: 36733584 PMCID: PMC9888252 DOI: 10.3389/fpls.2022.1088211] [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: 11/03/2022] [Accepted: 12/23/2022] [Indexed: 06/18/2023]
Abstract
Phosphorus (P) is an essential nutrient for plant growth and plants use inorganic phosphate (Pi) as their P source, but its bioavailable form, orthophosphate, is often limited in soils. Hence, plants have several mechanisms for adaptation to Pi starvation. One of the most common response strategies is "Pi recycling" in which catabolic enzymes degrade intracellular constituents, such as phosphoesters, nucleic acids and glycerophospholipids to salvage Pi. Recently, several other intracellular degradation systems have been discovered that salvage Pi from organelles. Also, one of sphingolipids has recently been identified as a degradation target for Pi recycling. So, in this mini-review we summarize the current state of knowledge, including research findings, about the targets and degradation processes for Pi recycling under Pi starvation, in order to further our knowledge of the whole mechanism of Pi recycling.
Collapse
|
11
|
Upadhyay P, Gupta M, Sra SK, Sharda R, Sharma S, Sardana VK, Akhatar J, Kaur G. Genome wide association studies for acid phosphatase activity at varying phosphorous levels in Brassica juncea L. FRONTIERS IN PLANT SCIENCE 2022; 13:1056028. [PMID: 36605963 PMCID: PMC9808407 DOI: 10.3389/fpls.2022.1056028] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Acid phosphatases (Apases) are an important group of enzymes that hydrolyze soil and plant phosphoesters and anhydrides to release Pi (inorganic phosphate) for plant acquisition. Their activity is strongly correlated to the phosphorus use efficiency (PUE) of plants. Indian mustard (Brassica juncea L. Czern & Coss) is a major oilseed crop that also provides protein for the animal feed industry. It exhibits low PUE. Understanding the genetics of PUE and its component traits, especially Apase activity, will help to reduce Pi fertilizer application in the crop. In the present study, we evaluated 280 genotypes of the diversity fixed foundation set of Indian mustard for Apase activity in the root (RApase) and leaf (LApase) tissues at three- low (5µM), normal (250µM) and high (1mM) Pi levels in a hydroponic system. Substantial effects of genotype and Pi level were observed for Apase activity in both tissues of the evaluated lines. Low Pi stress induced higher mean RApase and LApase activities. However, mean LApase activity was relatively more than mean RApase at all three Pi levels. JM06016, IM70 and Kranti were identified as promising genotypes with higher LApase activity and increased R/S at low Pi. Genome-wide association study revealed 10 and 4 genomic regions associated with RApase and LApase, respectively. Annotation of genomic regions in the vicinity of peak associated SNPs allowed prediction of 15 candidates, including genes encoding different family members of the acid phosphatase such as PAP10 (purple acid phosphatase 10), PAP16, PNP (polynucleotide phosphorylase) and AT5G51260 (HAD superfamily gene, subfamily IIIB acid phosphatase) genes. Our studies provide an understanding of molecular mechanism of the Apase response of B. juncea at varying Pi levels. The identified SNPs and candidate genes will support marker-assisted breeding program for improving PUE in Indian mustard. This will redeem the crop with enhanced productivity under restricted Pi reserves and degrading agro-environments.
Collapse
Affiliation(s)
- Priyanka Upadhyay
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, India
| | - Mehak Gupta
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, India
| | - Simarjeet Kaur Sra
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, India
| | - Rakesh Sharda
- Department of Soil & Water Engineering, Punjab Agricultural University, Ludhiana, India
| | - Sanjula Sharma
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, India
| | - Virender K. Sardana
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, India
| | - Javed Akhatar
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, India
| | - Gurpreet Kaur
- Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana, India
| |
Collapse
|
12
|
Vilela DJM, Pinto RT, Cardoso TB, Paiva LV, Carneiro MAC, Carvalho GR, dos Santos JV. Purple acid phosphatases in coffee-genome-wide identification and the transcriptional profile of selected members in roots upon Pi starvation. 3 Biotech 2022; 12:335. [PMID: 36330378 PMCID: PMC9622964 DOI: 10.1007/s13205-022-03399-6] [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: 01/19/2022] [Accepted: 10/12/2022] [Indexed: 12/07/2022] Open
Abstract
Phosphorus (P) availability is determinant for crop productivity and, despite the sufficient amount of this nutrient in arable land, most of it remains insoluble, leading to the need of high fertilizer input. To cope with P scarcity forecasts and also for cropping costs alleviation, genotypes better adapted to promote P solubilization and absorption are required, especially for perennial crops. Coffee is one of these important perennial crops cultivated in soils with low P availability, and thus we aimed to study adaptive strategies to coffee genotypes in acquire phosphorus. In this study, we focused on rhizosphere phosphatase activity, a major characteristic related to P solubilization from organic pools. To explore the genetic basis of this characteristic, we firstly identified 29 Purple Acid Phosphatases (PAP) genes in C. canephora genome and selected five candidates with higher potential to encode secreted PAPs. We found that C. arabica genotypes have diverse profiles of rhizosphere phosphatase activity, as well as microbial biomass carbon, which we measured to explore the impact of the plant on microbiota and also to discriminate the phosphatase activity origin (plant or microorganism-derived). We selected two C. arabica cultivars with contrasting phosphatase activity and found that one PAP gene has a correlated gene expression profile with this characteristic. This work explores coffee adaptative responses to P starvation conditions, and the information provided can further contribute to breeding programs aiming better adapted genotypes for sustainable agriculture in face of current challenges. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-022-03399-6.
Collapse
Affiliation(s)
| | - Renan Terassi Pinto
- Laboratory of Molecular Biology, Department of Chemistry, Federal University of Lavras, Lavras, MG Brazil
| | | | - Luciano Vilela Paiva
- Laboratory of Molecular Biology, Department of Chemistry, Federal University of Lavras, Lavras, MG Brazil
| | | | | | | |
Collapse
|
13
|
Satheesh V, Zhang J, Li J, You Q, Zhao P, Wang P, Lei M. High transcriptome plasticity drives phosphate starvation responses in tomato. STRESS BIOLOGY 2022; 2:18. [PMID: 37676521 PMCID: PMC10441952 DOI: 10.1007/s44154-022-00035-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 01/11/2022] [Indexed: 09/08/2023]
Abstract
Tomato is an important vegetable crop and fluctuating available soil phosphate (Pi) level elicits several morpho-physiological responses driven by underlying molecular responses. Therefore, understanding these molecular responses at the gene and isoform levels has become critical in the quest for developing crops with improved Pi use efficiency. A quantitative time-series RNA-seq analysis was performed to decipher the global transcriptomic changes that accompany Pi starvation in tomato. Apart from changes in the expression levels of genes, there were also alterations in the expression of alternatively-spliced transcripts. Physiological responses such as anthocyanin accumulation, reactive oxygen species generation and cell death are obvious 7 days after Pi deprivation accompanied with the maximum amount of transcriptional change in the genome making it an important stage for in-depth study while studying Pi stress responses (PSR). Our study demonstrates that transcriptomic changes under Pi deficiency are dynamic and complex in tomato. Overall, our study dwells on the dynamism of the transcriptome in eliciting a response to adapt to low Pi stress and lays it bare. Findings from this study will prove to be an invaluable resource for researchers using tomato as a model for understanding nutrient deficiency.
Collapse
Affiliation(s)
- Viswanathan Satheesh
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032 China
| | - Jieqiong Zhang
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032 China
- School of Life Science and Technology, Tongji University, Shanghai, 200092 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Jinkai Li
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Qiuye You
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032 China
- University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Panfeng Zhao
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032 China
| | - Peng Wang
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032 China
| | - Mingguang Lei
- Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai, 200032 China
| |
Collapse
|
14
|
Shi J, Wang Y, Li Z, Huang X, Shen T, Zou X. Characterization of invisible symptoms caused by early phosphorus deficiency in cucumber plants using near-infrared hyperspectral imaging technology. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 267:120540. [PMID: 34753704 DOI: 10.1016/j.saa.2021.120540] [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: 06/30/2021] [Revised: 10/14/2021] [Accepted: 10/23/2021] [Indexed: 06/13/2023]
Abstract
In the early stage of P deficiency in cucumbers, the P deficiency symptoms in leaves are similar to the symptoms in control leaves at the early stage of aging and are difficult to identify with naked eyes or computer image processing techniques. In order to realize the quick diagnosis of P deficiency in plants at the early stage, the NIR hyperspectral images of control leaves and P-deficient leaves were collected, and the feature information of the NIR hyperspectral images was extracted by PCA and ICA respectively. Through PCA and HCA verification, the IC1 component diagram of P-deficient leaves NIR hyperspectral image could effectively characterize the features of invisible water-stained plaques caused by early P-deficient leaves. Region of interest from IC1 was selected to extract spectral information for classification, and the diagnostic rate was remarkably improved. Finally, 240 leaves were diagnosed by using the BP-ANN model with a diagnostic rate of 97.5%. In addition, the experiment verified that it was possible to diagnose whether the plant was in the state of P deficiency 21 days in advance, and timely guidance of top dressing was of great significance to increase yield.
Collapse
Affiliation(s)
- Jiyong Shi
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| | - Yueying Wang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Zhihua Li
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiaowei Huang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Tingting Shen
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiaobo Zou
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
| |
Collapse
|
15
|
Bhadouria J, Giri J. Purple acid phosphatases: roles in phosphate utilization and new emerging functions. PLANT CELL REPORTS 2022; 41:33-51. [PMID: 34402946 DOI: 10.1007/s00299-021-02773-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
Plants strive for phosphorus (P), which is an essential mineral for their life. Since P availability is limiting in most of the world's soils, plants have evolved with a complex network of genes and their regulatory mechanisms to cope with soil P deficiency. Among them, purple acid phosphatases (PAPs) are predominantly associated with P remobilization within the plant and acquisition from the soil by hydrolyzing organic P compounds. P in such compounds remains otherwise unavailable to plants for assimilation. PAPs are ubiquitous in plants, and similar enzymes exist in bacteria, fungi, mammals, and unicellular eukaryotes, but having some differences in their catalytic center. In the recent past, PAPs' roles have been extended to multiple plant processes like flowering, seed development, senescence, carbon metabolism, response to biotic and abiotic stresses, signaling, and root development. While new functions have been assigned to PAPs, the underlying mechanisms remained understood poorly. Here, we review the known functions of PAPs, the regulatory mechanisms, and their relevance in crop improvement for P-use-efficiency. We then discuss the mechanisms behind their functions and propose areas worthy of future research. Finally, we argue that PAPs could be a potential target for improving P utilization in crops. In turn, this is essential for sustainable agriculture.
Collapse
Affiliation(s)
- Jyoti Bhadouria
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India
| | - Jitender Giri
- National Institute of Plant Genome Research, Aruna Asaf Ali Marg, New Delhi, 110067, India.
| |
Collapse
|
16
|
Zhang Y, Wang Y, Wang E, Wu X, Zheng Q, Han Y, Lin W, Liu Z, Lin W. SlPHL1, a MYB-CC transcription factor identified from tomato, positively regulates the phosphate starvation response. PHYSIOLOGIA PLANTARUM 2021; 173:1063-1077. [PMID: 34263934 DOI: 10.1111/ppl.13503] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 06/13/2023]
Abstract
Inorganic phosphate (Pi) deficiency is a major limiting factor for plant growth and development. Previous reports have demonstrated that PHOSPHATE STARVATION RESPONSE 1 (PHR1) and OsPHR2 play central roles in Pi-starvation signaling in Arabidopsis and rice, respectively. However, the Pi-starvation signaling network in tomato (Solanum lycopersicum) is still not fully understood. In this work, SlPHL1, a homolog of AtPHR1 and OsPHR2, was identified from tomato. It was found that SlPHL1 contains the MYB and coiled-coil (CC) domains, localizes in the nucleus, and has transcriptional activity, indicating that it is a typical MYB-CC transcription factor (TF). Overexpression of SlPHL1 enhanced Pi-starvation responses both in Arabidopsis Col-0 and in tomato Micro-Tom, including elevated root hair growth, promoted APase activity, favored Pi uptake, and increased transcription of Pi starvation-inducing (PSI) genes. Besides, overexpressing SlPHL1 was able to compensate for the Pi-starvation response weakened by the AtPHR1 mutation. Notably, electrophoretic mobility shift assay (EMSA) showed that SlPHL1 could bind to the PHR1-binding sequence (P1BS, GNATATNC)-containing DNA fragments. Furthermore, SlPHL1 specifically interacted with the promoters of the tomato PSI genes SlPht1;2 and SlPht1;8 through the P1BS cis-elements. Taken these results together, SlPHL1 is a newly identified MYB-CC TF from tomato, which participates in Pi-starvation signaling by directly upregulating the PSI genes. These findings might contribute to the understanding of the Pi-starvation signaling in tomato.
Collapse
Affiliation(s)
- Yongqiang Zhang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province Universities, Fuzhou, People's Republic of China
| | - Yi Wang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
| | - Enhui Wang
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
| | - Xueqian Wu
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
| | - Qinghua Zheng
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
| | - Yizhen Han
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
| | - Weiwei Lin
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province Universities, Fuzhou, People's Republic of China
| | - Zhongjuan Liu
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province Universities, Fuzhou, People's Republic of China
| | - Wenxiong Lin
- Fujian Provincial Key Laboratory of Agroecological Processing and Safety Monitoring, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
- Key Laboratory of Crop Ecology and Molecular Physiology (Fujian Agriculture and Forestry University), Fujian Province Universities, Fuzhou, People's Republic of China
- Key Laboratory of Ministry of Education for Genetics, Breeding and Multiple Utilization of Crops, Fujian Agriculture and Forestry University, Fuzhou, People's Republic of China
| |
Collapse
|
17
|
Singh NRR, Sarma SS, Rao TN, Pant H, Srikanth VVSS, Kumar R. Cryo-milled nano-DAP for enhanced growth of monocot and dicot plants. NANOSCALE ADVANCES 2021; 3:4834-4842. [PMID: 36134311 PMCID: PMC9418578 DOI: 10.1039/d1na00283j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 06/19/2021] [Indexed: 05/12/2023]
Abstract
Phosphorus (P) is a limiting macronutrient that regulates plant growth and development based on the bioavailability of its inorganic form, i.e., orthophosphate (Pi). P plays a critical role in cell development, and it is a key component of ATP, DNA, lipids, and cell signaling machinery. Without the exogenous application of P fertilizers, the yield of crops will not meet the ever-growing demand in today's world. However, due to the non-renewable nature of natural P reserves and simultaneous rapid human population growth, food crops must be ultimately produced more than ever by using a lower P fertilizer input. Hence, the strategy of preparing nano-fertilizers was conceptualized and demonstrated with great success. For example, nano-diammonium phosphate (n-DAP) performed far better than the commercial granular DAP (c-DAP). However, nano-fertilizers, including n-DAP, cannot be produced on a large scale using the available processing methods. Herein, a novel processing strategy, namely cryo-milling, is demonstrated to prepare n-DAP on a kg-scale without altering DAP's bonding structure. Cryo-milling involves milling at liquid N2 temperatures and therefore helps in brittle fracture of coarser DAP particles into n-DAP particles. Cryo-milled n-DAP, with particle size ∼5000 times smaller but specific surface area ∼14 000 times greater than that of c-DAP, enhanced the growth of monocot (wheat) and dicot (tomato) plants due to improved bioavailability of Pi even for a far lower input than c-DAP. Phenotypic observations such as higher leaf biomass, longer shoots, shorter roots, and less anthocyanin pigmentation manifested the extraordinary efficacy of cryo-milled n-DAP for 75% lower input than c-DAP.
Collapse
Affiliation(s)
- Naorem Ronald Reagan Singh
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad Gachibowli Hyderabad - 500046 Telangana India
| | - Sreedhara Sudhakara Sarma
- International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI) Hyderabad - 500005 Telangana India
| | - Tata Narsinga Rao
- International Advanced Research Centre for Powder Metallurgy and New Materials (ARCI) Hyderabad - 500005 Telangana India
| | - Harita Pant
- School of Engineering Sciences and Technology, University of Hyderabad Gachibowli Hyderabad - 500046 Telangana India
| | | | - Rahul Kumar
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad Gachibowli Hyderabad - 500046 Telangana India
| |
Collapse
|
18
|
Srivastava R, Sirohi P, Chauhan H, Kumar R. The enhanced phosphorus use efficiency in phosphate-deficient and mycorrhiza-inoculated barley seedlings involves activation of different sets of PHT1 transporters in roots. PLANTA 2021; 254:38. [PMID: 34312721 DOI: 10.1007/s00425-021-03687-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 07/16/2021] [Indexed: 06/13/2023]
Abstract
Transcriptional activation of subfamily II PHT1 members in roots is associated with the enhanced phosphorus use efficiency and growth promotion of barley seedlings inoculated with Glomus species. The arbuscular mycorrhizal (AM) fungi symbiotic associations in cereal crops are known to regulate growth in cultivar-specific manner and induce phosphate (Pi) transporters (PHT1) in roots. In the present study, we observed that both AM colonization of roots by Glomus species and phosphate starvation enhanced phosphorus use efficiency (PUE) in barley seedlings. Our search for the full complement of PHT1 members in the recently sequenced barley genome identified six additional genes, totaling their number to 17. Both AM colonization and Pi starvation triggered activation of common as well as different PHT1s. Pi starvation led to the robust upregulation of HvPHT1;6.2/6.3 at 7d and weak activation of HvPHT1;1 in shoots at 3d time-point. In roots, only HvPHT1;1, HvPHT1;6.2/6.3, HvPHT1;7, HvPHT1;8, HvPHT1;11.2 and HvPHT12 were induced at least one of the time-points. AM colonization specifically upregulated HvPHT1;11, HvPHT1;11.2, HvPHT1;12 and HvPHT1;13.1/13.2, members belonging to subfamily II, in roots. Sucrose availability seems to be obligatory for the robust activation of HvPHT1;1 as unavailability of this metabolite generally weakened its upregulation under Pi starvation. Intriguingly, lack of sucrose supply also led to induction of HvPHT1;5, HvPHT1;8, and HvPHT1;11.2 in either roots or shoot or both. The mRNA levels of HvPHT1;5 and HvPHT1;11.2 were not severely affected under combined deficiency of Pi and sucrose. Taken together, this study not only identify additional PHT1 members in barley, but also ascertain their AM, Pi and sucrose-specific transcript accumulation. The beneficial role of AM fungi in the promotion of PUE and barley seedlings' growth is also demonstrated.
Collapse
Affiliation(s)
- Rajat Srivastava
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Gachibowli, Hyderabad, Telangana, 500046, India
| | - Parul Sirohi
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247 667, India
| | - Harsh Chauhan
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247 667, India.
| | - Rahul Kumar
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Gachibowli, Hyderabad, Telangana, 500046, India.
| |
Collapse
|
19
|
Parida AP, Srivastava A, Mathur S, Sharma AK, Kumar R. Identification, evolutionary profiling, and expression analysis of F-box superfamily genes under phosphate deficiency in tomato. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 162:349-362. [PMID: 33730620 DOI: 10.1016/j.plaphy.2021.03.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/02/2021] [Indexed: 05/26/2023]
Abstract
F-box genes are an integral component of the Skp1-cullin-F-box (SCF) complex in eukaryotes. These genes are primarily involved in determining substrate specificities during cellular proteolysis. Here we report that 410 members constitute the F-box superfamily in tomato. Based on the incidence of C-terminal domains, these genes fell into ten subfamilies, leucine-rich repeat domain-containing F-box members constituting the largest subfamily. The F-box genes are present on all 12 chromosomes with varying gene densities. Both segmental and tandem duplication events contribute significantly to their expansion in the tomato genome. The syntenic analysis revealed close relationships among F-box homologs within Solanaceae species genomes. Transcript profiling of F-box members identified several ripening-associated genes with altered expression in the ripening mutants. RNA-sequencing data analysis showed that phosphate (Pi) deficiency affected 55 F-box transcripts in the Pi-deficient seedlings compared to their control seedlings. The persistent up-regulation of eight members, including two phloem protein 2B (PP2-B) genes, PP2-B15, and MATERNAL EFFECT EMBRYO ARREST 66 (MEE66) homologs, at multiple time-points in the roots, shoot, and seedling, point towards their pivotal roles in Pi starvation response in tomato. The attenuation of such upregulation in sucrose absence revealed the necessity of this metabolite for robust activation of these genes in the Pi-deficient seedlings. Altogether, this study identifies novel F-box genes with potential roles in fruit ripening and Pi starvation response and unlocks new avenues for functional characterization of candidate genes in tomato and other related species.
Collapse
Affiliation(s)
- Adwaita Prasad Parida
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi, India
| | - Alok Srivastava
- Amity Institute of Integrative Sciences and Health, Amity University Haryana, Amity Education Valley, Gurgaon, India; Institute of Bioinformatics and Computational Biology, Visakhapatnam, Andhra Pradesh, India
| | - Saloni Mathur
- National Institute of Plant Genome Research, New Delhi, India
| | - Arun Kumar Sharma
- Department of Plant Molecular Biology, University of Delhi South Campus, New Delhi, India
| | - Rahul Kumar
- Department of Plant Sciences, University of Hyderabad, Hyderabad, 500046, India.
| |
Collapse
|