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Chen C, Xiang J, Yuan J, Shao S, Rehman M, Peng D, Liu L. Comparative biochemical and transcriptomic analysis reveals the phosphate-starving tolerance of two ramie varieties. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 202:107979. [PMID: 37643556 DOI: 10.1016/j.plaphy.2023.107979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 08/16/2023] [Accepted: 08/17/2023] [Indexed: 08/31/2023]
Abstract
Ramie (Boehmeria nivea L.) is a highly valued fiber crop. Its yield is often limited by lack of available phosphate (Pi) in the soil, but the underlying molecular mechanisms of ramie's response to Pi deficiency remain largely unknown. To investigate how ramie adapts to low Pi stress, we selected a low Pi-tolerant variety (H-5) and a low Pi-sensitive variety (XYL), and conducted a biochemical and transcriptomic analysis on roots and leaves of both varieties. After subjecting the plants to Pi-deficient and Pi-sufficient conditions for 15 days, we found that H-5 exhibited higher dry weight, longer root systems, and higher levels of Pi, galactolipids, and organic acids when subjected to Pi deprivation, compared to XYL. Transcriptomic analysis further revealed that Pi-responsive genes involved in lipid metabolism, Pi transport, organic acid synthesis, and acid phosphatase activities were more induced in the tolerant variety H-5. Furthermore, weighted gene co-expression network analysis (WGCNA) identified five hub genes, including phosphate transporter, SPX domain-containing protein and sulfoquinovosyl transferase, which played key roles in low Pi tolerance in ramie. The present study will broaden our comprehension of the differences and molecular mechanisms of different ramie cultivars in response to Pi starvation, and lay a foundation for future agronomic improvements in ramie and other fiber crops.
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Affiliation(s)
- Chen Chen
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jiaming Xiang
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; Institute of ZheJiang University, Quzhou, China
| | - Jinzhan Yuan
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Shuai Shao
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Muzammal Rehman
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Agro-environment and Agric-products safety, Key Laboratory of Crop Genetic Breeding and Germplasm Innovation, College of Agriculture, Guangxi University, Nanning, 530004, China
| | - Dingxiang Peng
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
| | - Lijun Liu
- MOA Key Laboratory of Crop Ecophysiology and Farming Systems in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China.
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Pereira C, Castander-Olarieta A, Montalbán IA, Mendes VM, Correia S, Pedrosa A, Manadas B, Moncaleán P, Canhoto J. Proteomic and Metabolic Analysis of Pinus halepensis Mill. Embryonal Masses Induced under Heat Stress. Int J Mol Sci 2023; 24:ijms24087211. [PMID: 37108380 PMCID: PMC10139065 DOI: 10.3390/ijms24087211] [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: 02/24/2023] [Revised: 04/04/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Understanding the physiological and molecular adjustments occurring during tree stress response is of great importance for forest management and breeding programs. Somatic embryogenesis has been used as a model system to analyze various processes occurring during embryo development, including stress response mechanisms. In addition, "priming" plants with heat stress during somatic embryogenesis seems to favor the acquisition of plant resilience to extreme temperature conditions. In this sense, Pinus halepensis somatic embryogenesis was induced under different heat stress treatments (40 °C for 4 h, 50 °C for 30 min, and 60 °C for 5 min) and its effects on the proteome and the relative concentration of soluble sugars, sugar alcohols and amino acids of the embryonal masses obtained were assessed. Heat severely affected the production of proteins, and 27 proteins related to heat stress response were identified; the majority of the proteins with increased amounts in embryonal masses induced at higher temperatures consisted of enzymes involved in the regulation of metabolism (glycolysis, the tricarboxylic acid cycle, amino acid biosynthesis and flavonoids formation), DNA binding, cell division, transcription regulation and the life-cycle of proteins. Finally, significant differences in the concentrations of sucrose and amino acids, such as glutamine, glycine and cysteine, were found.
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Affiliation(s)
- Cátia Pereira
- Centre for Functional Ecology, TERRA Associate Laboratory, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | | | | | - Vera M Mendes
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3000-456 Coimbra, Portugal
| | - Sandra Correia
- Centre for Functional Ecology, TERRA Associate Laboratory, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
- InnovPlantProtect CoLAb, Estrada de Gil Vaz, 7350-478 Elvas, Portugal
| | - Ana Pedrosa
- Centre for Functional Ecology, TERRA Associate Laboratory, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Bruno Manadas
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, 3000-456 Coimbra, Portugal
| | - Paloma Moncaleán
- Department of Forestry Science, NEIKER-BRTA, 01192 Arkaute, Spain
| | - Jorge Canhoto
- Centre for Functional Ecology, TERRA Associate Laboratory, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
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Yao Y, Yuan H, Wu G, Yan J, Zhao D, Chen S, Kang Q, Ma C, Gong Z. Nitrogen fixation capacity and metabolite responses to phosphorus in soybean nodules. Symbiosis 2022. [DOI: 10.1007/s13199-022-00882-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AbstractPhosphorus (P) is necessary for nitrogen fixation in the root nodules of soybeans, a symbiotic process whereby plants support bacterial nitrogen fixation to obtain nitrogen needed for plant growth. Nitrogen accumulation, quantity, weight, specific nitrogenase activity (SNA) and acetylene reduction activity (ARA) of root soybean nodules were analyzed, using a broadly targeted metabolomics method incorporating liquid chromatography-mass spectrometry (LC-MS) to study the effects of P level (1, 11, 31, 61 mg/L denoted by P1, P11, P31, P61) on the types and abundance of various metabolites and on the expression of associated metabolic pathways in soybean root nodules. Nitrogen accumulation, quantity, weight, SNA and ARA of root nodules were inhibited by P stress. Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis indicated that root nodules responded to P stress by increasing the number of amino acids and derivatives. Down-regulation of ABA, phosphorylcholine, and D-glucose 6-phosphate affected carotenoid biosynthesis, glycerophospholipid metabolism and sugar metabolism which inhibited nodule nitrogen fixation under P stress. More flavonoids were involved in metabolic processes in soybean root nodules under P stress that regulated the nodulation and nitrogen fixation. The pathway ascorbate and aldarate metabolism, and associated metabolites, were involved in the adaptation of the symbiotic soybean root nodule system to P starvation. This work provides a foundation for future investigations of physiological mechanisms that underly phosphorus stress on soybeans.
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do Nascimento SV, Costa PHDO, Herrera H, Caldeira CF, Gastauer M, Ramos SJ, Oliveira G, Valadares RBDS. Proteomic Profiling and Rhizosphere-Associated Microbial Communities Reveal Adaptive Mechanisms of Dioclea apurensis Kunth in Eastern Amazon's Rehabilitating Minelands. PLANTS (BASEL, SWITZERLAND) 2022; 11:712. [PMID: 35270182 PMCID: PMC8912737 DOI: 10.3390/plants11050712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/23/2022] [Accepted: 02/27/2022] [Indexed: 06/14/2023]
Abstract
Dioclea apurensis Kunth is native to ferruginous rocky outcrops (known as canga) in the eastern Amazon. Native cangas are considered hotspots of biological diversity and have one of the largest iron ore deposits in the world. There, D. apurensis can grow in post-mining areas where molecular mechanisms and rhizospheric interactions with soil microorganisms are expected to contribute to their establishment in rehabilitating minelands (RM). In this study, we compare the root proteomic profile and rhizosphere-associated bacterial and fungal communities of D. apurensis growing in canga and RM to characterize the main mechanisms that allow the growth and establishment in post-mining areas. The results showed that proteins involved in response to oxidative stress, drought, excess of iron, and phosphorus deficiency showed higher levels in canga and, therefore, helped explain its high establishment rates in RM. Rhizospheric selectivity of microorganisms was more evident in canga. The microbial community structure was mostly different between the two habitats, denoting that despite having its preferences, D. apurensis can associate with beneficial soil microorganisms without specificity. Therefore, its good performance in RM can also be improved or attributed to its ability to cope with beneficial soil-borne microorganisms. Native plants with such adaptations must be used to enhance the rehabilitation process.
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Affiliation(s)
- Sidney Vasconcelos do Nascimento
- Instituto Tecnológico Vale, Rua Boaventura da Silva 955, Belém CEP 66050-090, Brazil; (S.V.d.N.); (P.H.d.O.C.); (C.F.C.); (M.G.); (S.J.R.); (G.O.)
- Programa de Pós-Graduacão em Genética e Biologia Molecular, Universidade Federal do Pará, Belém CEP 66075-110, Brazil
| | - Paulo Henrique de Oliveira Costa
- Instituto Tecnológico Vale, Rua Boaventura da Silva 955, Belém CEP 66050-090, Brazil; (S.V.d.N.); (P.H.d.O.C.); (C.F.C.); (M.G.); (S.J.R.); (G.O.)
| | - Hector Herrera
- Departamento de Ciencias Forestales, Universidad de La Frontera, Temuco 4811230, Chile;
| | - Cecílio Frois Caldeira
- Instituto Tecnológico Vale, Rua Boaventura da Silva 955, Belém CEP 66050-090, Brazil; (S.V.d.N.); (P.H.d.O.C.); (C.F.C.); (M.G.); (S.J.R.); (G.O.)
| | - Markus Gastauer
- Instituto Tecnológico Vale, Rua Boaventura da Silva 955, Belém CEP 66050-090, Brazil; (S.V.d.N.); (P.H.d.O.C.); (C.F.C.); (M.G.); (S.J.R.); (G.O.)
| | - Silvio Junio Ramos
- Instituto Tecnológico Vale, Rua Boaventura da Silva 955, Belém CEP 66050-090, Brazil; (S.V.d.N.); (P.H.d.O.C.); (C.F.C.); (M.G.); (S.J.R.); (G.O.)
| | - Guilherme Oliveira
- Instituto Tecnológico Vale, Rua Boaventura da Silva 955, Belém CEP 66050-090, Brazil; (S.V.d.N.); (P.H.d.O.C.); (C.F.C.); (M.G.); (S.J.R.); (G.O.)
| | - Rafael Borges da Silva Valadares
- Instituto Tecnológico Vale, Rua Boaventura da Silva 955, Belém CEP 66050-090, Brazil; (S.V.d.N.); (P.H.d.O.C.); (C.F.C.); (M.G.); (S.J.R.); (G.O.)
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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: 7] [Impact Index Per Article: 3.5] [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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Karim MR, Dong X, Zheng L, Shen R, Lan P. Can Aluminum Tolerant Wheat Cultivar Perform Better under Phosphate Deficient Conditions? Int J Mol Sci 2018; 19:E2964. [PMID: 30274178 PMCID: PMC6213158 DOI: 10.3390/ijms19102964] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 09/19/2018] [Accepted: 09/26/2018] [Indexed: 12/03/2022] Open
Abstract
Low availability of inorganic phosphate (Pi), together with aluminum (Al), is a major constraint for plant growth and development in acidic soils. To investigate whether or not Al-resistant cultivars can perform better under Pi deficiency, we chose two wheat cultivars with different Al-responses-Atlas 66, being Al-tolerant, and Scout 66, which is Al-sensitive-and analyzed their responses to Pi deficiency. Results showed that, unexpectedly, the Al-sensitive cultivar Scout 66 contained comparatively higher amount of soluble phosphate (Pi) and total phosphorus (P) both in the roots and in the shoots than Atlas 66 under P deficiency. In addition, Scout 66 exhibited higher root biomass, root volume, and root tip numbers, compared with Atlas 66. The expression of Pi-responsive marker genes, TaIPS1, TaSPX3, and TaSQD2 was strongly induced in both cultivars, but the extents of induction were higher in Scout 66 than in Atlas 66 under long-term Pi starvation. Taken together, our results suggest that the Al-sensitive cultivar Scout 66 performed much better under sole Pi starvation, which sets the following experimental stage to uncover the underlying mechanisms of why Scout 66 can display better under Pi deficiency. Our study also raises an open question whether Al-resistant plants are more sensitive to Pi deficiency.
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Affiliation(s)
- Mohammad Rezaul Karim
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.
- University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Xiaoying Dong
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.
| | - Lu Zheng
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.
| | - Renfang Shen
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.
| | - Ping Lan
- State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China.
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Niu Y, Chen P, Zhang Y, Wang Z, Hu S, Jin G, Tang C, Guo L. Natural variation among Arabidopsis thaliana accessions in tolerance to high magnesium supply. Sci Rep 2018; 8:13640. [PMID: 30206317 PMCID: PMC6134027 DOI: 10.1038/s41598-018-31950-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 08/30/2018] [Indexed: 11/09/2022] Open
Abstract
High magnesium (Mg2+) in some extreme serpentine soils or semi-arid regions is an important factor affecting crop growth and development. Specific loci that form the genetic framework underlying high Mg2+ homeostasis, however, are not well understood. By using GWA mapping on 388 accessions of Arabidopsis thaliana selected from a worldwide collection and genotyped at approximately 250,00 SNPs, we successfully identified 109 and 74 putative genetic regions associated in nutrient traits under normal (1,000 µM) and high Mg2+ (10,000 µM), respectively. Above 90% SNPs associated with nutrients including Mg2+ and only two SNPs shared between normal and high Mg2+. A single strong peak of SNPs associated with Ca concentration corresponding to candidate gene At1g60420 ARABIDOPSIS NUCLEOREDOXIN (AtNRX1) under high Mg2+ was further determined. Compared with wildtype, mutants of Atnrx1-1 and Atnrx1-2 supplied with high Mg2+ had higher Ca concentrations in the plant, and higher cytosolic Ca2+ concentrations during root elongation, as well as higher fresh weight and lateral-root number. This suggests that AtNRX1 was a critical gene negatively regulating Ca uptake under high Mg2+ conditions. The discovery could help to breed/select crops that can adapt to high-Mg2+ soils such as serpentine soils (high ratio of Mg2+: Ca2+) or Mars soil with high levels of magnesium sulfate.
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Affiliation(s)
- Yaofang Niu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China
| | - Ping Chen
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China
| | - Yu Zhang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China
| | - Zhongwei Wang
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China
| | - Shikai Hu
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China
| | - Gulei Jin
- College of Agronomy and Biotechnology, Zhejiang University, Hangzhou, 310029, China
| | - Caixian Tang
- Centre for AgriBioscience, La Trobe University, Melbourne Campus, Vic, 3086, Australia
| | - Longbiao Guo
- State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou, 310006, China.
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Zhang C, Meng J. Identification of differentially expressed proteins in Ostrinia furnacalis adults after exposure to ultraviolet A. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:25071-25079. [PMID: 29936613 DOI: 10.1007/s11356-018-2580-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 06/18/2018] [Indexed: 06/08/2023]
Abstract
Ultraviolet A (UVA), the major component of solar UV irradiation, is an important environmental factor inducing damage to insects including cell death, photoreceptor damage, and oxidative stress. In order to improve understanding of the adaptation mechanisms of insect after UVA exposure, a comparative proteomic analysis was carried out to reveal differential protein expression in Ostrinia furnacalis. Three-day-old adults were treated with UVA for 1 h. Total proteins of control and UVA-treated insects were examined using two-dimensional electrophoresis (2-DE). 2-DE analysis demonstrated that 19 proteins were increased and 18 proteins were decreased significantly in O. furnacalis after UVA exposure, respectively. Thirty differentially expressed proteins were successfully identified by mass spectrometry. The identified proteins were involved in diverse biological processes, such as signal transduction, transport processing, cellular stress, metabolisms, and cytoskeleton organization. Our results reveal that the response patterns of O. furnacalis to UVA irradiation are complex and provide novel insights into the adaptation response to UVA irradiation stress.
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Affiliation(s)
- Changyu Zhang
- Guizhou Key Laboratory for Plant Pest Management of Mountain Region, College of Agriculture, Guizhou University, Guiyang, China.
| | - Jianyu Meng
- Guizhou Tobacco Science Research Institute, Guiyang, China
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iTRAQ-based analysis of the Arabidopsis proteome reveals insights into the potential mechanisms of anthocyanin accumulation regulation in response to phosphate deficiency. J Proteomics 2018; 184:39-53. [PMID: 29920325 DOI: 10.1016/j.jprot.2018.06.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Revised: 06/01/2018] [Accepted: 06/07/2018] [Indexed: 01/18/2023]
Abstract
Phosphate (Pi) deficiency significantly limits plant growth in natural and agricultural systems. Accumulation of anthocyanins in shoots is a common response of Arabidopsis thaliana to Pi deficiency. To elucidate the mechanisms underlying Pi deficiency-induced anthocyanin accumulation, we employed a proteomic approach based on isobaric tags for relative and absolute quantification (iTRAQ) to investigate protein expression profiles of Arabidopsis thaliana seedlings subjected to Pi deficiency for 7 days. In total, 5,106 proteins were identified, of which 156 displayed significant changes in abundance upon Pi deficiency. Bioinformatics analysis indicated that flavonoid biosynthesis was the most significantly elevated metabolic process under Pi deficiency. We further examined the potential role of the flavonoid biosynthetic pathway using a dihydroflavonol 4-reductase (DFR) mutant (tt3) and quantitative RT-PCR (qRT-PCR) analysis, and found that the tt3 mutant was deprived of transcriptional up-regulation of three genes related to anthocyanin biosynthesis, modification and transport under Pi deficiency. These results showed that Pi deficiency probably enhances the anthocyanin accumulation by promoting the flavonoid biosynthesis. The exact functions of these proteins remain to be examined. Nevertheless, our study increases the understanding of the mechanisms implicated in the anthocyanin accumulation induced by Pi deficiency and adaptive responses of plants to Pi starvation.
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Spijkerman E, Behrend H, Fach B, Gaedke U. Decreased phosphorus incorporation explains the negative effect of high iron concentrations in the green microalga Chlamydomonas acidophila. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 626:1342-1349. [PMID: 29898541 DOI: 10.1016/j.scitotenv.2018.01.188] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/18/2018] [Accepted: 01/19/2018] [Indexed: 06/08/2023]
Abstract
The green microalga Chlamydomonas acidophila is an important primary producer in very acidic lakes (pH 2.0-3.5), characterized by high concentrations of ferric iron (up to 1 g total Fe L-1) and low rates of primary production. It was previously suggested that these high iron concentrations result in high iron accumulation and inhibit photosynthesis in C. acidophila. To test this, the alga was grown in sterilized lake water and in medium with varying total iron concentrations under limiting and sufficient inorganic phosphorus (Pi) supply, because Pi is an important growth limiting nutrient in acidic waters. Photosynthesis and growth of C. acidophila as measured over 5 days were largely unaffected by high total iron concentrations and only decreased if free ionic Fe3+ concentrations exceeded 100 mg Fe3+ L-1. Although C. acidophila was relatively rich in iron (up to 5 mmol Fe: mol C), we found no evidence of iron toxicity. In contrast, a concentration of 260 mg total Fe L-1 (i.e. 15 mg free ionic Fe3+ L-1), which is common in many acidic lakes, reduced Pi-incorporation by 50% and will result in Pi-limited photosynthesis. The resulting Pi-limitation present at high iron and Pi concentrations was illustrated by elevated maximum Pi-uptake rates. No direct toxic effects of high iron were found, but unfavourable chemical Pi-speciation reduced growth of the acidophile alga.
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Affiliation(s)
- Elly Spijkerman
- Department of Ecology and Ecosystem Modelling, University of Potsdam, Am Neuen Palais 10, Potsdam, Germany.
| | - Hella Behrend
- Department of Ecology and Ecosystem Modelling, University of Potsdam, Am Neuen Palais 10, Potsdam, Germany
| | - Bettina Fach
- Department of Ecology and Ecosystem Modelling, University of Potsdam, Am Neuen Palais 10, Potsdam, Germany
| | - Ursula Gaedke
- Department of Ecology and Ecosystem Modelling, University of Potsdam, Am Neuen Palais 10, Potsdam, Germany
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Yadav SK, Singh S, Singh HB, Sarma BK. Compatible Rhizosphere-Competent Microbial Consortium Adds Value to the Nutritional Quality in Edible Parts of Chickpea. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:6122-6130. [PMID: 28700827 DOI: 10.1021/acs.jafc.7b01326] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Chickpea is used as a high-energy and protein source in diets of humans and livestock. Moreover, chickpea straw can be used as alternative of forage in ruminant diets. The present study evaluates the effect of beneficial microbial inoculation on enhancing the nutritional values in edible parts of chickpea. Two rhizosphere-competent compatible microbes (Pseudomonas fluorescens OKC and Trichoderma asperellum T42) were selected and applied to seeds either individually or in consortium before sowing. Chickpea seeds treated with the microbes showed enhanced plant growth [88.93% shoot length at 60 days after sowing (DAS)] and biomass accumulation (21.37% at 120 DAS). Notably, the uptake of mineral nutrients, viz., N (90.27, 91.45, and 142.64%), P (14.13, 58.73, and 56.84%), K (20.5, 9.23, and 35.98%), Na (91.98, 101.66, and 36.46%), Ca (16.61, 29.46, and 16%), and organic carbon (28.54, 17.09, and 18.54%), was found in the seed, foliage, and pericarp of the chickpea plants, respectively. Additionally, nutritional quality, viz., total phenolic (59.7, 2.8, and 17.25%), protein (9.78, 18.53, and 7.68%), carbohydrate content (26.22, 30.21, and 26.63%), total flavonoid content (3.11, 9.15, and 7.81%), and reducing power (112.98, 75.42, and 111.75%), was also found in the seed, foliage, and pericarp of the chickpea plants. Most importantly, the microbial-consortium-treated plants showed the maximum increase of nutrient accumulation and enhancement in nutritional quality in all edible parts of chickpea. Nutritional partitioning in different edible parts of chickpea was also evident in the microbial treatments compared to their uninoculated ones. The results thus clearly demonstrated microbe-mediated enhancement in the dietary value of the edible parts of chickpea because seeds are consumed by humans, whereas pericarp and foliage (straw) are used as an alternative of forage and roughage in ruminant diets.
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Affiliation(s)
- Sudheer K Yadav
- Department of Botany, Institute of Science and ‡Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University , Varanasi, Uttar Pradesh 221005, India
| | - Surendra Singh
- Department of Botany, Institute of Science and ‡Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University , Varanasi, Uttar Pradesh 221005, India
| | - Harikesh B Singh
- Department of Botany, Institute of Science and ‡Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University , Varanasi, Uttar Pradesh 221005, India
| | - Birinchi K Sarma
- Department of Botany, Institute of Science and ‡Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University , Varanasi, Uttar Pradesh 221005, India
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Identifying the Genes Regulated by AtWRKY6 Using Comparative Transcript and Proteomic Analysis under Phosphorus Deficiency. Int J Mol Sci 2017; 18:ijms18051046. [PMID: 28498313 PMCID: PMC5454958 DOI: 10.3390/ijms18051046] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 04/26/2017] [Accepted: 05/04/2017] [Indexed: 01/06/2023] Open
Abstract
Phosphorus (P) is an important mineral nutrient for plant growth and development. Overexpressing AtWRKY6 (35S:WRKY6-9) was more sensitive and wrky6 (wrky6-1) was more resistant under low Pi conditions. To better understand the function of AtWRKY6 under low phosphate stress conditions, we applied two-dimensional gel electrophoresis (2-DE) to analyse differentially expressed proteins in the shoots and roots between wild type, 35S:WRKY6-9 and wrky6-1 after phosphorus deficiency treatment for three days. The results showed 88 differentially abundant protein spots, which were identified between the shoots and roots of 35S:WRKY6-9 and wrky6-1 plants. In addition, 59 differentially expressed proteins were identified in the leaves and roots of 35S:WRKY6-9 plants. After analysis, 9 genes with W-box elements in their promoter sequences were identified in the leaves, while 6 genes with W-box elements in their promoter sequences were identified in the roots. A total of 8 genes were identified as potential target genes according to the quantitative PCR (QPCR) and two dimension difference gel electrophoresis, (2D-DIGE) results, including ATP synthase, gln synthetase, nitrilase, 14-3-3 protein, carbonic anhydrases 2, and tryptophan synthase. These results provide important information concerning the AtWRKY6 regulation network and reveal potential vital target genes of AtWRKY6 under low phosphorus stress. two dimension difference gel electrophoresis, 2D-DIGE.
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Saintigny Y, Chevalier F, Bravard A, Dardillac E, Laurent D, Hem S, Dépagne J, Radicella JP, Lopez BS. A threshold of endogenous stress is required to engage cellular response to protect against mutagenesis. Sci Rep 2016; 6:29412. [PMID: 27406380 PMCID: PMC4942696 DOI: 10.1038/srep29412] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 06/16/2016] [Indexed: 01/22/2023] Open
Abstract
Endogenous stress represents a major source of genome instability, but is in essence difficult to apprehend. Incorporation of labeled radionuclides into DNA constitutes a tractable model to analyze cellular responses to endogenous attacks. Here we show that incorporation of [(3)H]thymidine into CHO cells generates oxidative-induced mutagenesis, but, with a peak at low doses. Proteomic analysis showed that the cellular response differs between low and high levels of endogenous stress. In particular, these results confirmed the involvement of proteins implicated in redox homeostasis and DNA damage signaling pathways. Induced-mutagenesis was abolished by the anti-oxidant N-acetyl cysteine and plateaued, at high doses, upon exposure to L-buthionine sulfoximine, which represses cellular detoxification. The [(3)H]thymidine-induced mutation spectrum revealed mostly base substitutions, exhibiting a signature specific for low doses (GC > CG and AT > CG). Consistently, the enzymatic activity of the base excision repair protein APE-1 is induced at only medium or high doses. Collectively, the data reveal that a threshold of endogenous stress must be reached to trigger cellular detoxification and DNA repair programs; below this threshold, the consequences of endogenous stress escape cellular surveillance, leading to high levels of mutagenesis. Therefore, low doses of endogenous local stress can jeopardize genome integrity more efficiently than higher doses.
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Affiliation(s)
- Yannick Saintigny
- Institute of Cellular and Molecular Radiobiology -Commissariat à l'Energie Atomique et aux Energies Alternatives, Fontenay aux Roses, F-92265, France
| | - François Chevalier
- Institute of Cellular and Molecular Radiobiology -Commissariat à l'Energie Atomique et aux Energies Alternatives, Fontenay aux Roses, F-92265, France
| | - Anne Bravard
- Institute of Cellular and Molecular Radiobiology -Commissariat à l'Energie Atomique et aux Energies Alternatives, Fontenay aux Roses, F-92265, France.,UMR967 INSERM/CEA/Universités Paris Diderot et Paris Saclay, Fontenay aux Roses, F-92265, France
| | - Elodie Dardillac
- Institute of Cellular and Molecular Radiobiology -Commissariat à l'Energie Atomique et aux Energies Alternatives, Fontenay aux Roses, F-92265, France.,UMR 8200 CNRS, Institut de cancérologie Gustave Roussy, Université Paris-Saclay, équipe labélisée par la Ligue bationale contre le Cancer "LIGUE 2014", Villejuif, F-94805, France
| | - David Laurent
- Institute of Cellular and Molecular Radiobiology -Commissariat à l'Energie Atomique et aux Energies Alternatives, Fontenay aux Roses, F-92265, France
| | - Sonia Hem
- Plateforme de spectrométrie de masse protéomique - MSPP, Biochimie et physiologie moléculaire des plantes, CNRS, INRA, Montpellier Supagro, Univ. Montpellier, 34060 Montpellier, France
| | - Jordane Dépagne
- Institute of Cellular and Molecular Radiobiology -Commissariat à l'Energie Atomique et aux Energies Alternatives, Fontenay aux Roses, F-92265, France
| | - J Pablo Radicella
- Institute of Cellular and Molecular Radiobiology -Commissariat à l'Energie Atomique et aux Energies Alternatives, Fontenay aux Roses, F-92265, France.,UMR967 INSERM/CEA/Universités Paris Diderot et Paris Saclay, Fontenay aux Roses, F-92265, France
| | - Bernard S Lopez
- Institute of Cellular and Molecular Radiobiology -Commissariat à l'Energie Atomique et aux Energies Alternatives, Fontenay aux Roses, F-92265, France.,UMR 8200 CNRS, Institut de cancérologie Gustave Roussy, Université Paris-Saclay, équipe labélisée par la Ligue bationale contre le Cancer "LIGUE 2014", Villejuif, F-94805, France
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Hussain S, Khan F, Cao W, Wu L, Geng M. Seed Priming Alters the Production and Detoxification of Reactive Oxygen Intermediates in Rice Seedlings Grown under Sub-optimal Temperature and Nutrient Supply. FRONTIERS IN PLANT SCIENCE 2016; 7:439. [PMID: 27092157 PMCID: PMC4820636 DOI: 10.3389/fpls.2016.00439] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 03/21/2016] [Indexed: 05/02/2023]
Abstract
The production and detoxification of reactive oxygen intermediates (ROIs) play an important role in the plant response to nutrient and environmental stresses. The present study demonstrated the behavior of growth, ROIs-production and their detoxification in primed and non-primed rice seedlings under chilling stress (18°C) and nitrogen-(N), phosphorus-(P), or potassium-(K) deprivation. The results revealed that chilling stress as well as deprivation of any mineral nutrient severely hampered the seedling growth of rice, however, seed priming treatments (particularly selenium- or salicylic acid-priming), were effective in enhancing the rice growth under stress conditions. The N-deprivation caused the maximum reduction in shoot growth, while the root growth was only decreased by P- or K-deprivation. Although, N-deprivation enhanced the root length of rice, the root fresh weight was unaffected. Rate of lipid peroxidation as well as the production of ROIs, was generally increased under stress conditions; the K-deprived seedlings recorded significantly lower production of ROIs than N- or P-deprived seedlings. The responses of enzymatic and non-enzymatic antioxidants in rice seedlings to chilling stress were variable with nutrient management regime. All the seed priming were found to trigger or at least maintain the antioxidant defense system of rice seedlings. Notably, the levels of ROIs were significantly reduced by seed priming treatments, which were concomitant with the activities of ROIs-producing enzymes (monoamine oxidase and xanthine oxidase), under all studied conditions. Based on these findings, we put forward the hypothesis that along with role of ROIs-scavenging enzymes, the greater tolerance of primed rice seedlings can also be due to the reduced activity of ROIs-producing enzymes.
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Affiliation(s)
- Saddam Hussain
- College of Resources and Environment, Huazhong Agricultural UniversityWuhan, China
| | - Fahad Khan
- College of Resources and Environment, Huazhong Agricultural UniversityWuhan, China
| | - Weidong Cao
- Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural SciencesBeijing, China
| | - Lishu Wu
- College of Resources and Environment, Huazhong Agricultural UniversityWuhan, China
| | - Mingjian Geng
- College of Resources and Environment, Huazhong Agricultural UniversityWuhan, China
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Chen S, Ding G, Wang Z, Cai H, Xu F. Proteomic and comparative genomic analysis reveals adaptability of Brassica napus to phosphorus-deficient stress. J Proteomics 2015; 117:106-19. [PMID: 25644742 DOI: 10.1016/j.jprot.2015.01.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 01/11/2015] [Accepted: 01/20/2015] [Indexed: 10/24/2022]
Abstract
UNLABELLED Given low solubility and immobility in many soils of the world, phosphorus (P) may be the most widely studied macronutrient for plants. In an attempt to gain an insight into the adaptability of Brassica napus to P deficiency, proteome alterations of roots and leaves in two B. napus contrasting genotypes, P-efficient 'Eyou Changjia' and P-inefficient 'B104-2', under long-term low P stress and short-term P-free starvation conditions were investigated, and proteomic combined with comparative genomic analyses were conducted to interpret the interrelation of differential abundance protein species (DAPs) responding to P deficiency with quantitative trait loci (QTLs) for P deficiency tolerance. P-efficient 'Eyou Changjia' had higher dry weight and P content, and showed high tolerance to low P stress compared with P-inefficient 'B104-2'. A total of 146 DAPs were successfully identified by MALDI TOF/TOF MS, which were categorized into several groups including defense and stress response, carbohydrate and energy metabolism, signaling and regulation, amino acid and fatty acid metabolism, protein process, biogenesis and cellular component, and function unknown. 94 of 146 DAPs were mapped to a linkage map constructed by a B. napus population derived from a cross between the two genotypes, and 72 DAPs were located in the confidence intervals of QTLs for P efficiency related traits. We conclude that the identification of these DAPs and the co-location of DAPs with QTLs in the B. napus linkage genetic map provide us novel information in understanding the adaptability of B. napus to P deficiency, and helpful to isolate P-efficient genes in B. napus. BIOLOGICAL SIGNIFICANCE Low P seriously limits the production and quality of B. napus. Proteomics and genetic linkage map were widely used to study the adaptive strategies of B. napus response to P deficiency, proteomic combined with comparative genetic analysis to investigate the correlations between DAPs and QTLs are scarce. Thus, we herein investigated proteome alteration of the roots and leaves in two B. napus genotypes, with different P-deficient tolerances, in response to long-term low P stress and short-term P-free starvation by 2-DE. And comparative genomic was conducted to map the DAPs to the linkage map of B. napus by sequence alignment. The present study offers new insights into adaptability mechanism of B. napus to P deficiency and provides novel information in map-based cloning to isolate the genes in B. napus and scientific improvement of P-efficient in practice.
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Affiliation(s)
- Shuisen Chen
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
| | - Guangda Ding
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhenhua Wang
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
| | - Hongmei Cai
- Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China
| | - Fangsen Xu
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan 430070, China; Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China.
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Chevalier F, Hamdi DH, Saintigny Y, Lefaix JL. Proteomic overview and perspectives of the radiation-induced bystander effects. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2014; 763:280-93. [PMID: 25795126 DOI: 10.1016/j.mrrev.2014.11.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Revised: 09/22/2014] [Accepted: 11/18/2014] [Indexed: 11/28/2022]
Abstract
Radiation proteomics is a recent, promising and powerful tool to identify protein markers of direct and indirect consequences of ionizing radiation. The main challenges of modern radiobiology is to predict radio-sensitivity of patients and radio-resistance of tumor to be treated, but considerable evidences are now available regarding the significance of a bystander effect at low and high doses. This "radiation-induced bystander effect" (RIBE) is defined as the biological responses of non-irradiated cells that received signals from neighboring irradiated cells. Such intercellular signal is no more considered as a minor side-effect of radiotherapy in surrounding healthy tissue and its occurrence should be considered in adapting radiotherapy protocols, to limit the risk for radiation-induced secondary cancer. There is no consensus on a precise designation of RIBE, which involves a number of distinct signal-mediated effects within or outside the irradiated volume. Indeed, several cellular mechanisms were proposed, including the secretion of soluble factors by irradiated cells in the extracellular matrix, or the direct communication between irradiated and neighboring non-irradiated cells via gap junctions. This phenomenon is observed in a context of major local inflammation, linked with a global imbalance of oxidative metabolism which makes its analysis challenging using in vitro model systems. In this review article, the authors first define the radiation-induced bystander effect as a function of radiation type, in vitro analysis protocols, and cell type. In a second time, the authors present the current status of protein biomarkers and proteomic-based findings and discuss the capacities, limits and perspectives of such global approaches to explore these complex intercellular mechanisms.
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Affiliation(s)
- François Chevalier
- LARIA - iRCM - DSV - CEA, GANIL, Campus Jules Horowitz, Bd Henri Becquerel, BP 55027, Caen 14076, France.
| | - Dounia Houria Hamdi
- LARIA - iRCM - DSV - CEA, GANIL, Campus Jules Horowitz, Bd Henri Becquerel, BP 55027, Caen 14076, France
| | - Yannick Saintigny
- LARIA - iRCM - DSV - CEA, GANIL, Campus Jules Horowitz, Bd Henri Becquerel, BP 55027, Caen 14076, France
| | - Jean-Louis Lefaix
- LARIA - iRCM - DSV - CEA, GANIL, Campus Jules Horowitz, Bd Henri Becquerel, BP 55027, Caen 14076, France
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17
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Deng G, Liu LJ, Zhong XY, Lao CY, Wang HY, Wang B, Zhu C, Shah F, Peng DX. Comparative proteome analysis of the response of ramie under N, P and K deficiency. PLANTA 2014; 239:1175-86. [PMID: 24573224 DOI: 10.1007/s00425-014-2040-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2013] [Accepted: 02/03/2014] [Indexed: 05/08/2023]
Abstract
Ramie is an important natural fiber. There has been little research on the molecular mechanisms of ramie related to the absorption, utilization and metabolism of nitrogen (N), phosphorus (P) and potassium (K). One approach to reveal the mechanisms of N, P and K (NPK) utilization and metabolism in ramie is comparative proteome analysis. The differentially expressed proteins in the leaves of ramie were analyzed by proteome analysis after 6 days of N- and K-deficient treatments and 3 days of P-deficient treatment using MALDI-TOF/TOF mass spectrometry and 32, 27 and 51 differential proteins were obtained, respectively. These proteins were involved in photosynthesis, protein destination and storage, energy metabolism, primary metabolism, disease/defense, signal transduction, cell structure, transcription, secondary metabolism and protein synthesis. Ramie responded to NPK stress by enhancing secondary metabolism and reducing photosynthesis and energy metabolism to increase endurance. Specifically, ramie adapted to NPK deficiency by increasing signal transduction pathways, enhancing the connection between glycolysis and photosynthesis, promoting the intracellular flow of carbon and N; promoting the synthesis cysteine and related hormones and upregulating actin protein to promote growth of the root system. The experimental results provide important information for further study on the high-efficiency NPK utilization mechanism of ramie.
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Affiliation(s)
- Gang Deng
- MOA Key Laboratory of Crop Ecophysiology and Farming System in the Middle Reaches of the Yangtze River, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
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18
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Hunter PJ, Teakle GR, Bending GD. Root traits and microbial community interactions in relation to phosphorus availability and acquisition, with particular reference to Brassica. FRONTIERS IN PLANT SCIENCE 2014; 5:27. [PMID: 24575103 PMCID: PMC3920115 DOI: 10.3389/fpls.2014.00027] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Accepted: 01/22/2014] [Indexed: 05/21/2023]
Abstract
Brassicas are among the most widely grown and important crops worldwide. Phosphorus (P) is a key mineral element in the growth of all plants and is largely supplied as inorganic rock-phosphate, a dwindling resource, which is likely to be an increasingly significant factor in global agriculture. In order to develop crops which can abstract P from the soil, utilize it more efficiently, require less of it or obtain more from other sources such as soil organic P reservoirs, a detailed understanding the factors that influence P metabolism and cycling in plants and associated soil is required. This review focuses on the current state of understanding of root traits, rhizodeposition and rhizosphere community interaction as it applies to P solubilization and acquisition, with particular reference to Brassica species. Physical root characteristics, exudation of organic acids (particularly malate and citrate) and phosphatase enzymes are considered and the potential mechanisms of control of these responses to P deficiency examined. The influence of rhizodeposits on the development of the rhizosphere microbial community is discussed and the specific features of this community in response to P deficiency are considered; specifically production of phosphatases, phytases and phosphonate hydrolases. Finally various potential approaches for improving overall P use efficiency in Brassica production are discussed.
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Affiliation(s)
- Paul J. Hunter
- School of Life Sciences, University of WarwickCoventry, UK
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Rossez Y, Holmes A, Wolfson EB, Gally DL, Mahajan A, Pedersen HL, Willats WG, Toth IK, Holden NJ. Flagella interact with ionic plant lipids to mediate adherence of pathogenicEscherichia colito fresh produce plants. Environ Microbiol 2013; 16:2181-95. [DOI: 10.1111/1462-2920.12315] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Accepted: 10/08/2013] [Indexed: 12/21/2022]
Affiliation(s)
- Yannick Rossez
- Cellular and Molecular Sciences; James Hutton Institute; Dundee Scotland UK
| | - Ashleigh Holmes
- Cellular and Molecular Sciences; James Hutton Institute; Dundee Scotland UK
| | - Eliza B. Wolfson
- The Roslin Institute Division of Infection and Immunity; University of Edinburgh, R(D)SVS; Edinburgh EH25 9RG UK
| | - David L. Gally
- The Roslin Institute Division of Infection and Immunity; University of Edinburgh, R(D)SVS; Edinburgh EH25 9RG UK
| | - Arvind Mahajan
- The Roslin Institute Division of Infection and Immunity; University of Edinburgh, R(D)SVS; Edinburgh EH25 9RG UK
| | | | - William G.T. Willats
- Department of Plant Biology and Biotechnology; University of Copenhagen; Denmark
| | - Ian K. Toth
- Cellular and Molecular Sciences; James Hutton Institute; Dundee Scotland UK
| | - Nicola J. Holden
- Cellular and Molecular Sciences; James Hutton Institute; Dundee Scotland UK
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Nwugo CC, Duan Y, Lin H. Study on citrus response to huanglongbing highlights a down-regulation of defense-related proteins in lemon plants upon 'Ca. Liberibacter asiaticus' infection. PLoS One 2013; 8:e67442. [PMID: 23922636 PMCID: PMC3686881 DOI: 10.1371/journal.pone.0067442] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2013] [Accepted: 05/17/2013] [Indexed: 01/09/2023] Open
Abstract
Citrus huanglongbing (HLB) is a highly destructive disease of citrus presumably caused by ‘CandidatusLiberibacterasiaticus’ (Las), a gram-negative, insect-transmitted, phloem-limited α-proteobacterium. Although almost all citrus plants are susceptible to HLB, reports have shown reduced susceptibility to Las infection in lemon (Citruslimon) plants. The aim of this study is to identify intra-species specific molecular mechanisms associated with Las-induced responses in lemon plants. To achieve this, comparative 2-DE and mass spectrometry, in addition to Inductively Coupled Plasma Spectroscopy (ICPS) analyses, were applied to investigate differences in protein accumulation and the concentrations of cationic elements in leaves of healthy and Las-infected lemon plants. Results showed a differential accumulation of 27 proteins, including an increase in accumulation of starch synthase but decrease in the production of photosynthesis-related proteins in Las-infected lemon plants compared to healthy plants. Furthermore, there was a 6% increase (P > 0.05) in K concentration in leaves of lemon plants upon Las infection, which support results from previous studies and might represent a common response pattern of citrus plants to Las infection. Interestingly, contrary to reports from prior studies, this study showed a general reduction in the production of defense-related pathogen-response proteins but a 128% increase in Zn concentration in lemon plants in response to Las infection. Taken together, this study sheds light on general and intra-species specific responses associated with the response of citrus plants to Las.
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Affiliation(s)
- Chika C. Nwugo
- San Joaquín Valley Agricultural Sciences Center, Department of Agriculture, ARS, Parlier, California, United States of America
| | - Yongping Duan
- U.S. Horticultural Research Laboratory, USDA, ARS, Fort Pierce, Florida, United States of America
| | - Hong Lin
- San Joaquín Valley Agricultural Sciences Center, Department of Agriculture, ARS, Parlier, California, United States of America
- * E-mail:
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Uniacke-Lowe T, Chevalier F, Hem S, Fox PF, Mulvihill DM. Proteomic comparison of equine and bovine milks on renneting. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:2839-2850. [PMID: 23414207 DOI: 10.1021/jf3045846] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Rennet-induced coagulation of bovine milk is a complex mechanism in which chymosin specifically hydrolyzes κ-casein, the protein responsible for the stability of the casein micelle. In equine milk, this mechanism is still unclear, and the protein targets of chymosin are unknown. To reveal the proteins involved, the rennetability of equine milk by calf chymosin was examined using gel-free and gel-based proteomic analysis and compared to bovine milk. RP-HPLC analysis of bovine and equine milks showed the release of several peptides following chymosin incubation. The hydrolyses of equine and bovine casein by chymosin were different, and the major peptides produced from equine milk were identified by mass spectrometry as fragments of β-casein. Using two-dimensional electrophoresis, equine β-casein was confirmed as the main target of calf chymosin over 24 h at 30 °C and pH 6.5. The gel-based analysis of equine milk discriminated between the different individual proteins and provided information on the range of isoforms of each protein as a result of post-translational modifications, as well as positively identified for the first time several isoforms of κ-casein. In comparison to bovine milk, κ-casein isoforms in equine milk were not involved in chymosin-induced coagulation. The intensity of equine β-casein spots decreased following chymosin addition, but at a slower rate than bovine κ-casein.
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Alexova R, Millar AH. Proteomics of phosphate use and deprivation in plants. Proteomics 2013; 13:609-23. [DOI: 10.1002/pmic.201200266] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 09/04/2012] [Accepted: 09/12/2012] [Indexed: 11/10/2022]
Affiliation(s)
- Ralitza Alexova
- ARC Centre of Excellence in Plant Energy Biology; The University of Western Australia; WA Australia
- Centre for Comparative Analysis of Biomolecular Networks; The University of Western Australia; WA Australia
| | - A. Harvey Millar
- ARC Centre of Excellence in Plant Energy Biology; The University of Western Australia; WA Australia
- Centre for Comparative Analysis of Biomolecular Networks; The University of Western Australia; WA Australia
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23
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Liang C, Tian J, Liao H. Proteomics dissection of plant responses to mineral nutrient deficiency. Proteomics 2013. [PMID: 23193087 DOI: 10.1002/pmic.201200263] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Plants require at least 17 essential nutrients to complete their life cycle. Except for carbon, hydrogen, and oxygen, other essential nutrients are mineral nutrients, which are mainly acquired from soils by roots. In natural soils, the availability of most essential mineral nutrients is very low and hard to meet the demand of plants. Developing crops with high nutrient efficiency is essential for sustainable agriculture, which requires more understandings of crop responses to mineral nutrient deficiency. Proteomic techniques provide a crucial and complementary tool to dissect molecular mechanisms underlying crop adaptation to mineral nutrient deficiency in the rapidly processing postgenome era. This review gives a comparative overview about identification of mineral nutrient deficiency responsive proteins using proteomic analysis, and discusses the current status for crop proteomics and its challenges to be integrated into systems biology approaches for developing crops with high mineral nutrient efficiency.
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Affiliation(s)
- Cuiyue Liang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Root Biology Center, South China Agricultural University, Guangzhou, P. R. China
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De Pessemier J, Chardon F, Juraniec M, Delaplace P, Hermans C. Natural variation of the root morphological response to nitrate supply in Arabidopsis thaliana. Mech Dev 2012; 130:45-53. [PMID: 22683348 DOI: 10.1016/j.mod.2012.05.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 05/16/2012] [Accepted: 05/29/2012] [Indexed: 01/24/2023]
Abstract
Nitrogen fertilization increases crop yield but excessive nitrate use can be a major environmental problem due to soil leaching or greenhouse gas emission. Root traits have been seldom considered as selection criteria to improve Nitrogen Use Efficiency of crops, due to the difficulty of measuring root traits under field conditions. Nonetheless, learning about mechanisms of lateral root (LR) growth stimulation or repression by nitrate availability could help to redesign root system architecture (RSA), a strategy aimed at developing plants with a dense and profound root system and with higher N uptake efficiency. Here, we explored the genetic diversity provided by natural populations of the model species Arabidopsis thaliana to identify potentially adaptive differences in biomass production and root morphology in response to nitrate availability. A core collection of 24 accessions that maximizes the genetic diversity within the species and Col-0 (the reference accession) were grown vertically on agar medium at moderate (N+) nitrate level for 6 days and then transferred to the same condition or to low (N-) nitrate concentration for 7 days. There was a major nutritional effect on the shoot biomass and root to shoot biomass ratio. The variation of the root biomass and RSA traits (primary root length, LRs number, LR mean length, total LRs length and LR densities) was primarily genetically determined. Differences in RSA traits between accessions were somewhat more pronounced at N-. Some accessions produced almost no visible LRs (Pyl-1, N13) at N-, while other produced up to a dozen (Kn-0). Taken together our data illustrate that natural variation exists within Arabidopsis for the studied traits. The identification of RSA ideotypes in the N response will facilitate further analysis of quantitative traits for root morphology.
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Affiliation(s)
- Jérôme De Pessemier
- Lab. of Plant Physiology and Molecular Genetics, Université Libre de Bruxelles, Campus Plaine CP 242, Bd du Triomphe, 1050 Brussels, Belgium.
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