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Bhardwaj E, Pokhriyal E, Jain A, Lal M, Khari M, Jalan K, Das S. The non-canonically organized members of MIR395 gene family in Brassica juncea are associated with developmentally regulated, sulfate-stress responsive bidirectional promoters that exhibit orientation-dependent differential transcriptional activity. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2024; 348:112214. [PMID: 39127349 DOI: 10.1016/j.plantsci.2024.112214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 07/02/2024] [Accepted: 08/07/2024] [Indexed: 08/12/2024]
Abstract
Several MICRORNA genes belonging to same family or different families are often found in homologous or non-homologous clusters. Among the various classes, head-to-head arranged genes form one of the largest categories of non-canonically organized genes. Such head-to-head arranged, non-canonically organized genes possibly share cis-regulatory region with the intergenic sequence having the potential to function as bi-directional promoter (BDP). The transcriptional regulation of head-to-head arranged genes, especially with bidirectional promoters, remains an enigma. In the past, bidirectional promoters have been characterized for a small set of protein-coding gene pairs in plants; however, to the best of our knowledge, no such study has been carried so far for MICRORNA genes. The present study thus functionally characterizes bidirectional promoters associated with members of MIR395 family, which is evolutionary conserved and is most frequently occurring cluster across plant kingdom. In Arabidopsis thaliana, the MIR395 gene family contains six members with two head-to-head arranged gene pairs- MIR395A-B and MIR395E-F. This organization was found to be conserved at seven loci for MIR395A-B, and eleven loci for MIR395E-F in five Brassica sps. Sequence analysis of the putative bidirectional promoters revealed variation in length, GC content and distribution of strict TATA-box. Comparatively higher level of conservation at both the ends of the bidirectional promoters, corresponding to ca. 250 bp upstream of 5'end of the respective MIRNA precursor, was observed. These conserved regions harbour several abiotic stress (nutrient, salt, drought) and hormone (ABA, ethylene) responsive cis-motifs. Functional characterization of putative bidirectional promoters associated with MIR395A-B and MIR395E-F from Arabidopsis and their respective orthologs from Brassica juncea (Bj_A08 MIR395A-B, Bj_B03 MIR395A-B, Bj_A07.1 MIR395E-F and Bj_A07.2 MIR395E-F) was carried out using a dual-reporter vector with β-glucuronidase (GUS) and Green Fluorescent Protein (GFP). Analysis of transcriptional regulation of the two reporter genes - GUS and GFP during developmental stages confirmed their bidirectional nature. Orientation-dependent differential reporter activity indicated asymmetric nature of the promoters. Comparison of the reporter activity amongst orthologs, paralogs and homeologs revealed regulatory diversification, an outcome expected in polyploid genomes. Interestingly, reporter gene activities driven by selected bidirectional promoters were also observed in anther and siliques apart vegetative tissues indicating role of miR395 in anther and fruit development. Finally, we evaluated the activity of reporter genes driven under transcriptional regulation of bidirectional promoters under normal and sulfate-deprived conditions which revealed asymmetric inducibility under sulfate-starvation, in agreement with the known role of miR395 in sulfate homeostasis.
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Affiliation(s)
- Ekta Bhardwaj
- Department of Botany, University of Delhi, Delhi 110007, India
| | - Ekta Pokhriyal
- Department of Botany, University of Delhi, Delhi 110007, India
| | - Aditi Jain
- Department of Botany, University of Delhi, Delhi 110007, India
| | - Mukund Lal
- Department of Botany, University of Delhi, Delhi 110007, India
| | - Megha Khari
- Department of Botany, University of Delhi, Delhi 110007, India
| | - Komal Jalan
- Department of Botany, University of Delhi, Delhi 110007, India
| | - Sandip Das
- Department of Botany, University of Delhi, Delhi 110007, India.
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Dong M, He J, Tang X, Liu S, Xing J, Chen X, Chen L, Li Y, Sun H. Genome-Wide Identification of the Sulfate Transporters Gene Family in Blueberry ( Vaccinium spp.) and Its Response to Ericoid Mycorrhizal Fungi. Int J Mol Sci 2024; 25:6980. [PMID: 39000087 PMCID: PMC11241426 DOI: 10.3390/ijms25136980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/17/2024] [Accepted: 06/24/2024] [Indexed: 07/16/2024] Open
Abstract
Sulfur metabolism plays a major role in plant growth and development, environmental adaptation, and material synthesis, and the sulfate transporters are the beginning of sulfur metabolism. We identified 37 potential VcSULTR genes in the blueberry genome, encoding peptides with 534 to 766 amino acids. The genes were grouped into four subfamilies in an evolutionary analysis. The 37 putative VcSULTR proteins ranged in size from 60.03 to 83.87 kDa. These proteins were predicted to be hydrophobic and mostly localize to the plasma membrane. The VcSULTR genes were distributed on 30 chromosomes; VcSULTR3;5b and VcSULTR3;5c were the only tandemly repeated genes. The VcSULTR promoters contained cis-acting elements related to the fungal symbiosis and stress responses. The transcript levels of the VcSULTRs differed among blueberry organs and changed in response to ericoid mycorrhizal fungi and sulfate treatments. A subcellular localization analysis showed that VcSULTR2;1c localized to, and functioned in, the plasma membrane and chloroplast. The virus-induced gene knock-down of VcSULTR2;1c resulted in a significantly decreased endogenous sulfate content, and an up-regulation of genes encoding key enzymes in sulfur metabolism (VcATPS2 and VcSiR1). These findings enhance our understanding of mycorrhizal-fungi-mediated sulfate transport in blueberry, and lay the foundation for further research on blueberry-mycorrhizal symbiosis.
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Affiliation(s)
- Mei Dong
- College of Horticulture, Jilin Agricultural University, Changchun 130118, China
- College of Life Sciences, Jilin Agricultural University, Changchun 130118, China
| | - Jiawei He
- High Mountain Economic Plant Research Institute, Yunnan Academy of Agricultural Sciences, Lijiang 674110, China
| | - Xiaoxuan Tang
- College of Horticulture, Jilin Agricultural University, Changchun 130118, China
| | - Siwen Liu
- College of Horticulture, Jilin Agricultural University, Changchun 130118, China
| | - Jinjie Xing
- College of Horticulture, Jilin Agricultural University, Changchun 130118, China
| | - Xuyang Chen
- College of Horticulture, Jilin Agricultural University, Changchun 130118, China
| | - Li Chen
- College of Horticulture, Jilin Agricultural University, Changchun 130118, China
| | - Yadong Li
- College of Horticulture, Jilin Agricultural University, Changchun 130118, China
| | - Haiyue Sun
- College of Horticulture, Jilin Agricultural University, Changchun 130118, China
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Chen Y, Xiao X, Yang R, Sun Z, Yang S, Zhang H, Xing B, Li Y, Liu Q, Lu Q, Shi Y, Yuan Y, Miao C, Li P. Genome-wide identification and expression-pattern analysis of sulfate transporter (SULTR) gene family in cotton under multiple abiotic stresses and fiber development. Funct Integr Genomics 2024; 24:108. [PMID: 38773054 DOI: 10.1007/s10142-024-01387-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 05/13/2024] [Accepted: 05/15/2024] [Indexed: 05/23/2024]
Abstract
Sulfate transporter (SULTR) proteins are in charge of the transport and absorption on sulfate substances, and have been reported to play vital roles in the biological processes of plant growth and stress response. However, there were few reports of genome-wide identification and expression-pattern analysis of SULTRs in Hibiscus mutabilis. Gossypium genus is a ideal model for studying the allopolyploidy, therefore two diploid species (G. raimondii and G. arboreum) and two tetraploid species (G. hirsutum and G. barbadense) were chosen in this study to perform bioinformatic analyses, identifying 18, 18, 35, and 35 SULTR members, respectively. All the 106 cotton SULTR genes were utilized to construct the phylogenetic tree together with 11 Arabidopsis thaliana, 13 Oryza sativa, and 8 Zea mays ones, which was divided into Group1-Group4. The clustering analyses of gene structures and 10 conserved motifs among the cotton SULTR genes showed the consistent evolutionary relationship with the phylogenetic tree, and the results of gene-duplication identification among the four representative Gossypium species indicated that genome-wide or segment duplication might make main contributions to the expansion of SULTR gene family in cotton. Having conducted the cis-regulatory element analysis in promoter region, we noticed that the existing salicylic acid (SA), jasmonic acid (JA), and abscisic acid (ABA) elements could have influences with expression levels of cotton SULTR genes. The expression patterns of GhSULTR genes were also investigated on the 7 different tissues or organs and the developing ovules and fibers, most of which were highly expressed in root, stem, sepal, receptacel, ovule at 10 DPA, and fiber at 20 and 25 DPA. In addition, more active regulatory were observed in GhSULTR genes responding to multiple abiotic stresses, and 12 highly expressed genes showed the similar expression patterns in the quantitative Real-time PCR experiments under cold, heat, salt, and drought treatments. These findings broaden our insight into the evolutionary relationships and expression patterns of the SULTR gene family in cotton, and provide the valuable information for further screening the vital candidate genes on trait improvement.
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Affiliation(s)
- Yu Chen
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
- National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, 455000, China
| | - Xianghui Xiao
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
| | - Rui Yang
- Xinjiang Production and Construction Corps Seventh Division Agricultural Research Institute, Kuitun, 833200, China
| | - Zhihao Sun
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
| | - Shuhan Yang
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
| | - Haibo Zhang
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
| | - Baoguang Xing
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
| | - Yanfang Li
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
| | - Qiankun Liu
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
| | - Quanwei Lu
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China
| | - Yuzhen Shi
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China
| | - Youlu Yuan
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China.
| | - Chen Miao
- National Key Laboratory of Cotton Bio-Breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang, 455000, China.
| | - Pengtao Li
- Henan Key Laboratory of Plant Stress Biology, College of Life Science, Henan University, Kaifeng, 475004, China.
- School of Biotechnology and Food Engineering, Anyang Institute of Technology, Anyang, Henan, 455000, China.
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Shen Y, Li L, Du P, Xing X, Gu Z, Yu Z, Tao Y, Jiang H. Appropriate Drought Training Induces Optimal Drought Tolerance by Inducing Stepwise H 2O 2 Homeostasis in Soybean. PLANTS (BASEL, SWITZERLAND) 2024; 13:1202. [PMID: 38732418 PMCID: PMC11085929 DOI: 10.3390/plants13091202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/13/2024] [Accepted: 04/19/2024] [Indexed: 05/13/2024]
Abstract
Soybean is considered one of the most drought-sensitive crops, and ROS homeostasis can regulate drought tolerance in these plants. Understanding the mechanism of H2O2 homeostasis and its regulatory effect on drought stress is important for improving drought tolerance in soybean. We used different concentrations of polyethylene glycol (PEG) solutions to simulate the progression from weak drought stress (0.2%, 0.5%, and 1% PEG) to strong drought stress (5% PEG). We investigated the responses of the soybean plant phenotype, ROS level, injury severity, antioxidant system, etc., to different weak drought stresses and subsequent strong drought stresses. The results show that drought-treated plants accumulated H2O2 for signaling and exhibited drought tolerance under the following stronger drought stress, among which the 0.5% PEG treatment had the greatest effect. Under the optimal treatment, there was qualitatively describable H2O2 homeostasis, characterized by a consistent increasing amplitude in H2O2 content compared with CK. The H2O2 signal formed under the optimum treatment induced the capacity of the antioxidant system to remove excess H2O2 to form a primary H2O2 homeostasis. The primary H2O2 homeostasis further induced senior H2O2 homeostasis under the following strong drought and maximized the improvement of drought tolerance. These findings might suggest that gradual drought training could result in stepwise H2O2 homeostasis to continuously improve drought tolerance.
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Affiliation(s)
- Yuqian Shen
- Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture and Rural Affairs, Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agriculture University, Nanjing 210095, China; (Y.S.); (L.L.); (P.D.); (Z.G.); (Z.Y.); (Y.T.)
| | - Lei Li
- Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture and Rural Affairs, Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agriculture University, Nanjing 210095, China; (Y.S.); (L.L.); (P.D.); (Z.G.); (Z.Y.); (Y.T.)
| | - Peng Du
- Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture and Rural Affairs, Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agriculture University, Nanjing 210095, China; (Y.S.); (L.L.); (P.D.); (Z.G.); (Z.Y.); (Y.T.)
| | - Xinghua Xing
- Xuzhou Institute of Agricultural Sciences of Xu-Huai Region of Jiangsu, Xuzhou 221131, China
| | - Zhiwei Gu
- Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture and Rural Affairs, Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agriculture University, Nanjing 210095, China; (Y.S.); (L.L.); (P.D.); (Z.G.); (Z.Y.); (Y.T.)
| | - Zhiming Yu
- Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture and Rural Affairs, Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agriculture University, Nanjing 210095, China; (Y.S.); (L.L.); (P.D.); (Z.G.); (Z.Y.); (Y.T.)
| | - Yujia Tao
- Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture and Rural Affairs, Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agriculture University, Nanjing 210095, China; (Y.S.); (L.L.); (P.D.); (Z.G.); (Z.Y.); (Y.T.)
| | - Haidong Jiang
- Key Laboratory of Crop Physiology and Ecology in Southern China, Ministry of Agriculture and Rural Affairs, Jiangsu Collaborative Innovation Center for Modern Crop Production, Nanjing Agriculture University, Nanjing 210095, China; (Y.S.); (L.L.); (P.D.); (Z.G.); (Z.Y.); (Y.T.)
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Zenzen I, Cassol D, Westhoff P, Kopriva S, Ristova D. Transcriptional and metabolic profiling of sulfur starvation response in two monocots. BMC PLANT BIOLOGY 2024; 24:257. [PMID: 38594609 PMCID: PMC11003109 DOI: 10.1186/s12870-024-04948-2] [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: 01/22/2024] [Accepted: 03/26/2024] [Indexed: 04/11/2024]
Abstract
BACKGROUND Sulfur (S) is a mineral nutrient essential for plant growth and development, which is incorporated into diverse molecules fundamental for primary and secondary metabolism, plant defense, signaling, and maintaining cellular homeostasis. Although, S starvation response is well documented in the dicot model Arabidopsis thaliana, it is not clear if the same transcriptional networks control the response also in the monocots. RESULTS We performed series of physiological, expression, and metabolite analyses in two model monocot species, one representing the C3 plants, Oryza sativa cv. kitaake, and second representing the C4 plants, Setaria viridis. Our comprehensive transcriptomic analysis revealed twice as many differentially expressed genes (DEGs) in S. viridis than in O. sativa under S-deficiency, consistent with a greater loss of sulfur and S-containing metabolites under these conditions. Surprisingly, most of the DEGs and enriched gene ontology terms were species-specific, with an intersect of only 58 common DEGs. The transcriptional networks were different in roots and shoots of both species, in particular no genes were down-regulated by S-deficiency in the roots of both species. CONCLUSIONS Our analysis shows that S-deficiency seems to have different physiological consequences in the two monocot species and their nutrient homeostasis might be under distinct control mechanisms.
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Affiliation(s)
- Ivan Zenzen
- Institute for Plant Sciences, Cluster of Excellence On Plant Sciences (CEPLAS), University of Cologne, Cologne, 50674, Germany
| | - Daniela Cassol
- Institute for Integrative Genome Biology, University of California, Riverside, 92521, CA, USA
| | - Philipp Westhoff
- Plant Metabolism and Metabolomics Facility, Heinrich Heine University, Düsseldorf, 40225, Germany
| | - Stanislav Kopriva
- Institute for Plant Sciences, Cluster of Excellence On Plant Sciences (CEPLAS), University of Cologne, Cologne, 50674, Germany.
| | - Daniela Ristova
- Institute for Plant Sciences, Cluster of Excellence On Plant Sciences (CEPLAS), University of Cologne, Cologne, 50674, Germany.
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Wawrzyńska A, Sirko A. Sulfate Availability and Hormonal Signaling in the Coordination of Plant Growth and Development. Int J Mol Sci 2024; 25:3978. [PMID: 38612787 PMCID: PMC11012643 DOI: 10.3390/ijms25073978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 03/28/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
Sulfur (S), one of the crucial macronutrients, plays a pivotal role in fundamental plant processes and the regulation of diverse metabolic pathways. Additionally, it has a major function in plant protection against adverse conditions by enhancing tolerance, often interacting with other molecules to counteract stresses. Despite its significance, a thorough comprehension of how plants regulate S nutrition and particularly the involvement of phytohormones in this process remains elusive. Phytohormone signaling pathways crosstalk to modulate growth and developmental programs in a multifactorial manner. Additionally, S availability regulates the growth and development of plants through molecular mechanisms intertwined with phytohormone signaling pathways. Conversely, many phytohormones influence or alter S metabolism within interconnected pathways. S metabolism is closely associated with phytohormones such as abscisic acid (ABA), auxin (AUX), brassinosteroids (BR), cytokinins (CK), ethylene (ET), gibberellic acid (GA), jasmonic acid (JA), salicylic acid (SA), and strigolactones (SL). This review provides a summary of the research concerning the impact of phytohormones on S metabolism and, conversely, how S availability affects hormonal signaling. Although numerous molecular details are yet to be fully understood, several core signaling components have been identified at the crossroads of S and major phytohormonal pathways.
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Affiliation(s)
- Anna Wawrzyńska
- Laboratory of Plant Protein Homeostasis, Institute of Biochemistry and Biophysics, Polish Academy of Sciences, ul. Pawińskiego 5A, 02-106 Warsaw, Poland;
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Datta T, Kumar RS, Sinha H, Trivedi PK. Small but mighty: Peptides regulating abiotic stress responses in plants. PLANT, CELL & ENVIRONMENT 2024; 47:1207-1223. [PMID: 38164016 DOI: 10.1111/pce.14792] [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: 07/31/2023] [Accepted: 12/12/2023] [Indexed: 01/03/2024]
Abstract
Throughout evolution, plants have developed strategies to confront and alleviate the detrimental impacts of abiotic stresses on their growth and development. The combat strategies involve intricate molecular networks and a spectrum of early and late stress-responsive pathways. Plant peptides, consisting of fewer than 100 amino acid residues, are at the forefront of these responses, serving as pivotal signalling molecules. These peptides, with roles similar to phytohormones, intricately regulate plant growth, development and facilitate essential cell-to-cell communications. Numerous studies underscore the significant role of these small peptides in coordinating diverse signalling events triggered by environmental challenges. Originating from the proteolytic processing of larger protein precursors or directly translated from small open reading frames, including microRNA (miRNA) encoded peptides from primary miRNA, these peptides exert their biological functions through binding with membrane-embedded receptor-like kinases. This interaction initiates downstream cellular signalling cascades, often involving major phytohormones or reactive oxygen species-mediated mechanisms. Despite these advances, the precise modes of action for numerous other small peptides remain to be fully elucidated. In this review, we delve into the dynamics of stress physiology, mainly focusing on the roles of major small signalling peptides, shedding light on their significance in the face of changing environmental conditions.
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Affiliation(s)
- Tapasya Datta
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow, India
| | - Ravi S Kumar
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow, India
- CSIR-National Botanical Research Institute, Council of Scientific and Industrial Research, (CSIR-NBRI), Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Hiteshwari Sinha
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow, India
- CSIR-National Botanical Research Institute, Council of Scientific and Industrial Research, (CSIR-NBRI), Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Prabodh K Trivedi
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow, India
- CSIR-National Botanical Research Institute, Council of Scientific and Industrial Research, (CSIR-NBRI), Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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Paoletti E, Pagano M, Zhang L, Badea O, Hoshika Y. Allocation of Nutrients and Leaf Turnover Rate in Poplar under Ambient and Enriched Ozone Exposure and Soil Nutrient Manipulation. BIOLOGY 2024; 13:232. [PMID: 38666844 PMCID: PMC11048010 DOI: 10.3390/biology13040232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/27/2024] [Accepted: 03/29/2024] [Indexed: 04/28/2024]
Abstract
An excess of ozone (O3) is currently stressing plant ecosystems and may negatively affect the nutrient use of plants. Plants may modify leaf turnover rates and nutrient allocation at the organ level to counteract O3 damage. We investigated leaf turnover rate and allocation of primary (C, N, P, K) and secondary macronutrients (Ca, S, Mg) under various O3 treatments (ambient concentration, AA, with a daily hourly average of 35 ppb; 1.5 × AA; 2.0 × AA) and fertilization levels (N: 0 and 80 kg N ha-1 y-1; P: 0 and 80 kg N ha-1 y-1) in an O3-sensitive poplar clone (Oxford: Populus maximowiczii Henry × P. berolinensis Dippel) in a Free-Air Controlled Exposure (FACE) experiment. The results indicated that both fertilization and O3 had a significant impact on the nutrient content. Specifically, fertilization and O3 increased foliar C and N contents (+5.8% and +34.2%, respectively) and root Ca and Mg contents (+46.3% and +70.2%, respectively). Plants are known to increase the content of certain elements to mitigate the damage caused by high levels of O3. The leaf turnover rate was accelerated as a result of increased O3 exposure, indicating that O3 plays a main role in influencing this physiological parameter. A PCA result showed that O3 fumigation affected the overall allocation of primary and secondary elements depending on the organ (leaves, stems, roots). As a conclusion, such different patterns of element allocation in plant leaves in response to elevated O3 levels can have significant ecological implications.
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Affiliation(s)
- Elena Paoletti
- IRET-CNR, Via Madonna del Piano 10, Sesto Fiorentino, 50019 Florence, Italy; (E.P.); (Y.H.)
| | - Mario Pagano
- IRET-CNR, Via Madonna del Piano 10, Sesto Fiorentino, 50019 Florence, Italy; (E.P.); (Y.H.)
| | - Lu Zhang
- College of Landscape and Architecture, Zhejiang A&F University, 666 Wusu Street, Hangzhou 311300, China;
| | - Ovidiu Badea
- National Institute for Research and Development in Forestry ‘Marin Drăcea’, 128, Eroilor Bvd., 077190 Voluntari, Romania;
- Faculty of Silviculture and Forest Engineering, Transilvania University, 1, Ludwig van Beethoven Street, 500123 Brasov, Romania
| | - Yasutomo Hoshika
- IRET-CNR, Via Madonna del Piano 10, Sesto Fiorentino, 50019 Florence, Italy; (E.P.); (Y.H.)
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Sabaghnia N, Fattahi M, Janmohammadi M, Abbasi A. Graphic analysis of various sulfur applications on safflower fatty acids profile. BIOTECHNOLOGIA 2024; 105:33-39. [PMID: 38633892 PMCID: PMC11020149 DOI: 10.5114/bta.2024.135640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/24/2023] [Accepted: 01/05/2024] [Indexed: 04/19/2024] Open
Abstract
In this study, we examined the effects of seven different sulfur treatments on safflower seeds. The treatments included: no sulfur application (S0), 25 kg/ha of pure bulk sulfur (S25), 50 kg/ha of pure bulk sulfur (S50), 25 kg/ha of sulfur phosphate (Sp25), 50 kg/ha of sulfur phosphate (Sp50), 25 kg/ha of zinc sulfate (Zs25), and 50 kg/ha of zinc sulfate (Zs50). Our evaluation covered various seed quality attributes, including ash percentage (ASH), oil percentage (OIL), and protein percentage (PRO). Additionally, we analyzed the fatty acid composition, including palmitic acid 16 : 0 (PAL), stearic acid 18 : 0 (STE), oleic acid 18 : 1 (OLE), linoleic acid 18 : 2 (LINL), arachidic acid 20 : 0 (ARA), and linolenic acid 18 : 3 (LINN). The vector-view of the biplot illustrated positive associations among the fatty acids STE, PAL, and OLE, whereas ASH exhibited negative associations with OIL, LINL, and LINN. The polygon-view graph was divided into four sectors, with the genotype S50 emerging as the top performer for attributes such as OIL, PRO, LINL, ARA, and LINN. Treatment Zs50 occupied the vertex of another sector and displayed the highest values for palmitic acid PAL, STE, and OLE, while treatment S0 was positioned at the vertex of the next sector, characterized by its high ASH content. By utilizing the ideal tester tool of treatment by trait biplot, we identified OIL as the desirable trait that most effectively represented the data. The qualitative properties of safflower oil were notably influenced by sulfur application, with treatment S50 proving to be the most effective in enhancing these properties.
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Affiliation(s)
- Naser Sabaghnia
- Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Maragheh, Maragheh, Iran
| | - Mostafa Fattahi
- Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Maragheh, Maragheh, Iran
| | - Mohsen Janmohammadi
- Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Maragheh, Maragheh, Iran
| | - Amin Abbasi
- Department of Agronomy and Plant Breeding, Faculty of Agriculture, University of Maragheh, Maragheh, Iran
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10
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Gao B, Hong J, Deng Q, Han B, Kong J, Zhang C. A novel sulfur supply strategy for maximizing lipid production in Tribonema minus (Xanthophyceae). BIORESOURCE TECHNOLOGY 2024; 394:130205. [PMID: 38104661 DOI: 10.1016/j.biortech.2023.130205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
Tribonema minus, a promising filamentous oleaginous microalga, was cultured under different nutrient concentrations and different culture modes (fed-batch culture, two-step culture) to study the method of rapid regulation of its lipid metabolism. In contrast to many other oleaginous microalgae, T. minus did not show that nitrogen stress promoted lipid accumulation; however, sulfur deficiency promoted rapid lipid accumulation with a maximum lipid content of 54% of dry weight. Increasing the MgSO4 concentration significantly increased nitrogen uptake and biomass (10.09 g/L). Lipid productivity was significantly increased by the two-step culture using a medium with a high concentration of MgSO4 in the first step and a sulfur-free medium in the second step. In addition, it was found that the lipid content of T. minus was negatively correlated with the intracellular sulfur content when the intracellular sulfur content was below 0.6%. This study provides a new approach for industrial lipid production in T. minus.
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Affiliation(s)
- Baoyan Gao
- Department of Ecology, Research Center for Hydrobiology, Jinan University, Guangzhou 510632, People's Republic of China
| | - Jian Hong
- Department of Ecology, Research Center for Hydrobiology, Jinan University, Guangzhou 510632, People's Republic of China
| | - Qian Deng
- Department of Ecology, Research Center for Hydrobiology, Jinan University, Guangzhou 510632, People's Republic of China
| | - Baoye Han
- Department of Ecology, Research Center for Hydrobiology, Jinan University, Guangzhou 510632, People's Republic of China
| | - Jielin Kong
- Department of Ecology, Research Center for Hydrobiology, Jinan University, Guangzhou 510632, People's Republic of China
| | - Chengwu Zhang
- Department of Ecology, Research Center for Hydrobiology, Jinan University, Guangzhou 510632, People's Republic of China.
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11
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Narayan OP, Kumar P, Yadav B, Dua M, Johri AK. Sulfur nutrition and its role in plant growth and development. PLANT SIGNALING & BEHAVIOR 2023; 18:2030082. [PMID: 35129079 PMCID: PMC10730164 DOI: 10.1080/15592324.2022.2030082] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/11/2022] [Accepted: 01/12/2022] [Indexed: 06/14/2023]
Abstract
Sulfur is one of the essential nutrients that is required for the adequate growth and development of plants. Sulfur is a structural component of protein disulfide bonds, amino acids, vitamins, and cofactors. Most of the sulfur in soil is present in organic matter and hence not accessible to the plants. Anionic form of sulfur (SO42-) is the primary source of sulfur for plants that are generally present in minimal amounts in the soil. It is water-soluble, so readily leaches out of the soil. Sulfur and sulfur-containing compounds act as signaling molecules in stress management as well as normal metabolic processes. They also take part in crosstalk of complex signaling network as a mediator molecule. Plants uptake sulfate directly from the soil by using their dedicated sulfate transporters. In addition, plants also use the sulfur transporter of a symbiotically associated organism like bacteria and fungi to uptake sulfur from the soil especially under sulfur depleted conditions. So, sulfur is a very important component of plant metabolism and its analysis with different dimensions is highly required to improve the overall well-being of plants, and dependent animals as well as human beings. The deficiency of sulfur leads to stunted growth of plants and ultimately loss of yield. In this review, we have focused on sulfur nutrition, uptake, transport, and inter-organismic transfer to host plants. Given the strong potential for agricultural use of sulfur sources and their applications, we cover what is known about sulfur impact on the plant health. We identify opportunities to expand our understanding of how the application of soil microbes like AMF or other root endophytic fungi affects plant sulfur uptake and in turn plant growth and development.
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Affiliation(s)
| | - Paras Kumar
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Bindu Yadav
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Meenakshi Dua
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Atul Kumar Johri
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
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12
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Li K, Li M, Zhou J, Guo H. The Impact of the Individual and Combined Application of Phosphorus and Sulfur Fertilizers on Potato Tuber Flavor. Foods 2023; 12:3764. [PMID: 37893657 PMCID: PMC10606641 DOI: 10.3390/foods12203764] [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: 09/10/2023] [Revised: 10/04/2023] [Accepted: 10/07/2023] [Indexed: 10/29/2023] Open
Abstract
Sulfur and phosphorus are important plant nutrients required for potato growth, influencing the synthesis of primary metabolites that serve as the material foundation of potato flavor quality. However, little is known about the effects of sulfur and phosphorus application on potato tuber flavor. This study experimentally compared the effects of the individual and combined application of phosphorus and sulfur fertilizers on the flavor of potato tubers. The research examined the sensory characteristics of flavor under various fertilization methods, investigated changes in the types and contents of volatile flavor compounds, and conducted analyses on flavor precursor compounds. The experimental results showed that the application of phosphorus and sulfur fertilizers, either individually or in combination significantly increased the content of linoleic acid and linolenic acid. After the combined application of phosphorus and sulfur fertilizers, the starch and the reducing sugar content also significantly increased. (E,E)-2,4-Nonadienal and Decanal are closely correlated with fatty acid content. Dimethyl sulfide and Trimethyl sulfide contents are significantly related to methionine content. This also significantly enhances the fatty taste characteristics of the tubers but weakens the potato flavor characteristics. Hence, the application of phosphorus and sulfur can affect the accumulation of primary metabolic products in tubers, thereby affecting flavor quality. Compared with the individual application of phosphorus or sulfur fertilizers, when phosphorus fertilizer is applied at 180 kg·ha-1 and sulfur fertilizer at 90 kg·ha-1 in combination, it can further enrich the roasted flavor characteristics of potatoes and maximize the enhancement of potato flavor quality. This provides valuable theoretical support for achieving high-quality agricultural development.
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Affiliation(s)
- Kaifeng Li
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming 650201, China; (K.L.); (M.L.); (J.Z.)
- Yunnan Engineering Research Center of Tuber and Root Crop Bio-Breeding and Healthy Seed Propagation, Yunnan Agricultural University, Kunming 650201, China
- Tuber and Root Crop Institute, Yunnan Agricultural University, Kunming 650201, China
| | - Maoxing Li
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming 650201, China; (K.L.); (M.L.); (J.Z.)
- Yunnan Engineering Research Center of Tuber and Root Crop Bio-Breeding and Healthy Seed Propagation, Yunnan Agricultural University, Kunming 650201, China
- Tuber and Root Crop Institute, Yunnan Agricultural University, Kunming 650201, China
| | - Jinhua Zhou
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming 650201, China; (K.L.); (M.L.); (J.Z.)
- Yunnan Engineering Research Center of Tuber and Root Crop Bio-Breeding and Healthy Seed Propagation, Yunnan Agricultural University, Kunming 650201, China
- Tuber and Root Crop Institute, Yunnan Agricultural University, Kunming 650201, China
| | - Huachun Guo
- College of Agronomy and Biotechnology, Yunnan Agricultural University, Kunming 650201, China; (K.L.); (M.L.); (J.Z.)
- Yunnan Engineering Research Center of Tuber and Root Crop Bio-Breeding and Healthy Seed Propagation, Yunnan Agricultural University, Kunming 650201, China
- Tuber and Root Crop Institute, Yunnan Agricultural University, Kunming 650201, China
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13
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De Rose S, Kuga Y, Sillo F, Fochi V, Sakamoto N, Calevo J, Perotto S, Balestrini R. Plant and fungal gene expression coupled with stable isotope labeling provide novel information on sulfur uptake and metabolism in orchid mycorrhizal protocorms. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 116:416-431. [PMID: 37421313 DOI: 10.1111/tpj.16381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 06/27/2023] [Accepted: 07/03/2023] [Indexed: 07/10/2023]
Abstract
Orchid mycorrhiza (OM) represents an unusual symbiosis between plants and fungi because in all orchid species carbon is provided to the host plant by the mycorrhizal fungus at least during the early stages of orchid development, named a protocorm. In addition to carbon, orchid mycorrhizal fungi provide the host plant with essential nutrients such as phosphorus and nitrogen. In mycorrhizal protocorms, nutrients transfer occurs in plant cells colonized by the intracellular fungal coils, or pelotons. Whereas the transfer of these vital nutrients to the orchid protocorm in the OM symbiosis has been already investigated, there is currently no information on the transfer of sulfur (S). Here, we used ultra-high spatial resolution secondary ion mass spectrometry (SIMS) as well as targeted gene expression studies and laser microdissection to decipher S metabolism and transfer in the model system formed by the Mediterranean orchid Serapias vomeracea and the mycorrhizal fungus Tulasnella calospora. We revealed that the fungal partner is actively involved in S supply to the host plant, and expression of plant and fungal genes involved in S uptake and metabolism, both in the symbiotic and asymbiotic partners, suggest that S transfer most likely occurs as reduced organic forms. Thus, this study provides original information about the regulation of S metabolism in OM protocorms, adding a piece of the puzzle on the nutritional framework in OM symbiosis.
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Affiliation(s)
- Silvia De Rose
- Dipartimento di Scienze della Vita e Biologia dei Sistemi, Università degli Studi di Torino, Viale Mattioli, 25, 10125, Torino, Italy
| | - Yukari Kuga
- Graduate School of Integrated Sciences for Life, Hiroshima University, Higashihiroshima, Hiroshima, 739-8521, Japan
| | - Fabiano Sillo
- Consiglio Nazionale delle Ricerche, Istituto per la Protezione Sostenibile delle Piante, Strada delle Cacce 73, 10135, Torino, Italy
| | - Valeria Fochi
- Dipartimento di Scienze della Vita e Biologia dei Sistemi, Università degli Studi di Torino, Viale Mattioli, 25, 10125, Torino, Italy
| | - Naoya Sakamoto
- Isotope Imaging Laboratory, Creative Research Institute, Hokkaido University, Sapporo, 001-0021, Japan
| | - Jacopo Calevo
- Dipartimento di Scienze della Vita e Biologia dei Sistemi, Università degli Studi di Torino, Viale Mattioli, 25, 10125, Torino, Italy
| | - Silvia Perotto
- Dipartimento di Scienze della Vita e Biologia dei Sistemi, Università degli Studi di Torino, Viale Mattioli, 25, 10125, Torino, Italy
| | - Raffaella Balestrini
- Consiglio Nazionale delle Ricerche, Istituto per la Protezione Sostenibile delle Piante, Strada delle Cacce 73, 10135, Torino, Italy
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14
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Yang S, Zhou Z, Zhang T, Zhang Q, Li R, Li J. Overexpression of BoLSU1 and BoLSU2 Confers Tolerance to Sulfur Deficiency in Arabidopsis by Manipulating Glucosinolate Metabolism. Int J Mol Sci 2023; 24:13520. [PMID: 37686325 PMCID: PMC10487721 DOI: 10.3390/ijms241713520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 08/17/2023] [Accepted: 08/30/2023] [Indexed: 09/10/2023] Open
Abstract
Sulfur is an essential element for plant growth, development and resistance to environmental stresses. Glucosinolates (GSLs), a group of sulfur rich secondary metabolites found in Brassicaceae plants, are known for their defensive properties against pathogens and herbivores. Due to their integration of a large proportion of total sulfur, their biosynthesis and degradation are closely linked to sulfur metabolism. It has been demonstrated that GSLs can be broken down to release sulfur and facilitate the production of other thio-metabolites when the plant is under stress. However, the regulation of this process is still not fully understood. In this study, we constructed two broccoli LSU (low sulfur responsive) gene overexpressing lines, 35S::BoLSU1 and 35S::BoLSU2, to detect changes in GSL metabolism after sulfur deficiency treatment. The results showed that BoLSU1 and BoLSU2 inhibit the biosynthesis of aliphatic GSLs, while also promoting their degradation and increasing the content of glutathione (GSH), leading to the reallocation of sulfur from the GSL pool to other thio-metabolites such as GSH. Furthermore, this regulation of GSL metabolism mediated by BoLSU1 and BoLSU2 is found to be dependent on myrosinases BGLU28 and BGLU30. Our study provides insight into the physiological role of LSU proteins and their regulation of sulfur metabolism.
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Affiliation(s)
| | | | | | | | - Rui Li
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China; (S.Y.)
| | - Jing Li
- College of Life Sciences, Northeast Agricultural University, Harbin 150030, China; (S.Y.)
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15
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Sadoine M, De Michele R, Župunski M, Grossmann G, Castro-Rodríguez V. Monitoring nutrients in plants with genetically encoded sensors: achievements and perspectives. PLANT PHYSIOLOGY 2023; 193:195-216. [PMID: 37307576 PMCID: PMC10469547 DOI: 10.1093/plphys/kiad337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 06/14/2023]
Abstract
Understanding mechanisms of nutrient allocation in organisms requires precise knowledge of the spatiotemporal dynamics of small molecules in vivo. Genetically encoded sensors are powerful tools for studying nutrient distribution and dynamics, as they enable minimally invasive monitoring of nutrient steady-state levels in situ. Numerous types of genetically encoded sensors for nutrients have been designed and applied in mammalian cells and fungi. However, to date, their application for visualizing changing nutrient levels in planta remains limited. Systematic sensor-based approaches could provide the quantitative, kinetic information on tissue-specific, cellular, and subcellular distributions and dynamics of nutrients in situ that is needed for the development of theoretical nutrient flux models that form the basis for future crop engineering. Here, we review various approaches that can be used to measure nutrients in planta with an overview over conventional techniques, as well as genetically encoded sensors currently available for nutrient monitoring, and discuss their strengths and limitations. We provide a list of currently available sensors and summarize approaches for their application at the level of cellular compartments and organelles. When used in combination with bioassays on intact organisms and precise, yet destructive analytical methods, the spatiotemporal resolution of sensors offers the prospect of a holistic understanding of nutrient flux in plants.
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Affiliation(s)
- Mayuri Sadoine
- Institute of Cell and Interaction Biology, Heinrich-Heine Universität Düsseldorf, Düsseldorf 40225, Germany
| | - Roberto De Michele
- Institute of Biosciences and Bioresources, National Research Council of Italy, Palermo 90129, Italy
| | - Milan Župunski
- Institute of Cell and Interaction Biology, Heinrich-Heine Universität Düsseldorf, Düsseldorf 40225, Germany
| | - Guido Grossmann
- Institute of Cell and Interaction Biology, Heinrich-Heine Universität Düsseldorf, Düsseldorf 40225, Germany
- Cluster of Excellence on Plant Sciences, Heinrich-Heine Universität Düsseldorf, Düsseldorf 40225, Germany
| | - Vanessa Castro-Rodríguez
- Departamento de Biología Molecular y Bioquímica, Facultad de Ciencias, Universidad de Málaga, Málaga 29071, Spain
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16
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Andrade-Marcial M, Ruíz-May E, Elizalde-Contreras JM, Pacheco N, Herrera-Pool E, De-la-Peña C. Proteome of Agave angustifolia Haw.: Uncovering metabolic alterations, over-accumulation of amino acids, and compensatory pathways in chloroplast-deficient albino plantlets. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 201:107902. [PMID: 37506650 DOI: 10.1016/j.plaphy.2023.107902] [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: 03/23/2023] [Revised: 07/04/2023] [Accepted: 07/20/2023] [Indexed: 07/30/2023]
Abstract
Amino acids (AA) are essential molecules for plant physiology, acting as precursor molecules for proteins and other organic compounds. Chloroplasts play a vital role in AA metabolism, yet little is known about the impact on AA metabolism of albino plants' lack of chloroplasts. In this study, we conducted a quantitative proteome analysis on albino and variegated somaclonal variants of Agave angustifolia Haw. to investigate metabolic alterations in chloroplast-deficient plants, with a focus on AA metabolic pathways. We identified 82 enzymes involved in AA metabolism, with 32 showing differential accumulation between the somaclonal variants. AaCM, AaALS, AaBCAT, AaIPMS1, AaSHMT, AaAST, AaCGS, and AaMS enzymes were particularly relevant in chloroplast-deficient Agave plantlets. Both variegated and albino phenotypes exhibited excessive synthesis of AA typically associated with chloroplasts (aromatic AAs, BCAAs, Asp, Lys, Pro and Met). Consistent trends were observed for AaBCAT and AaCM at mRNA and protein levels in albino plantlets. These findings highlight the critical activation and reprogramming of AA metabolic pathways in plants lacking chloroplasts. This study contributes to unraveling the intricate relationship between AA metabolism and chloroplast absence, offering insights into survival mechanisms of albino plants.
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Affiliation(s)
- M Andrade-Marcial
- Unidad de Biotecnología, Centro de Investigación Científica de Yucatán, Calle 43 No. 130 x 32 y 34. Col. Chuburná de Hidalgo, 97205, Mérida, Yucatán, México
| | - E Ruíz-May
- Red de Estudios Moleculares Avanzados, Clúster Científico y Tecnológico BioMimic®, Instituto de Ecología A.C. (INECOL), Carretera Antigua a Coatepec No. 351, Congregación el Haya, 91070, Xalapa, Veracruz, México
| | - J M Elizalde-Contreras
- Red de Estudios Moleculares Avanzados, Clúster Científico y Tecnológico BioMimic®, Instituto de Ecología A.C. (INECOL), Carretera Antigua a Coatepec No. 351, Congregación el Haya, 91070, Xalapa, Veracruz, México
| | - N Pacheco
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ), Unidad Sureste, Tablaje Catastral 31264 Km 5.5 Carretera Sierra Papacal-Chuburná Puerto, Parque Científico Tecnológico de Yucatán, CP, 97302, Mérida, Yucatán, México
| | - E Herrera-Pool
- Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco (CIATEJ), Unidad Sureste, Tablaje Catastral 31264 Km 5.5 Carretera Sierra Papacal-Chuburná Puerto, Parque Científico Tecnológico de Yucatán, CP, 97302, Mérida, Yucatán, México
| | - C De-la-Peña
- Unidad de Biotecnología, Centro de Investigación Científica de Yucatán, Calle 43 No. 130 x 32 y 34. Col. Chuburná de Hidalgo, 97205, Mérida, Yucatán, México.
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17
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Magnucka EG, Kulczycki G, Oksińska MP, Kucińska J, Pawęska K, Milo Ł, Pietr SJ. The Effect of Various Forms of Sulfur on Soil Organic Matter Fractions and Microorganisms in a Pot Experiment with Perennial Ryegrass ( Lolium perenne L.). PLANTS (BASEL, SWITZERLAND) 2023; 12:2649. [PMID: 37514266 PMCID: PMC10384080 DOI: 10.3390/plants12142649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 06/30/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023]
Abstract
This article focuses on the agronomic evaluation of the supplementation of mineral NPKMg fertilizers with elemental sulfur, magnesium, potassium, or ammonium sulfates in pot experiments with ryegrass growing in a sandy Arenosol with very low sulfur content. A benefit evaluation was carried out on the basis of biomass production, crop nutritional status, and changes in the content of soil organic matter fractions. Furthermore, the total number of bacteria, nitrogen-fixing bacteria, and fungi was estimated using the qPCR technique in soil samples after 60 days of ryegrass growth. The combined application of NPKMg and sulfur or sulfate fertilizers significantly increased the summary yield of three cuttings of fresh ryegrass biomass in the range of 32.3% to 82.7%. The application, especially in the form of sulfates, significantly decreased the content of free phenolic acids. Furthermore, compared to the control, i.e., soil with NPKMg applied alone, an increase in the content of glomalin-related proteins and a decrease in the amount of water-soluble organic carbon compounds were observed. Neither the number of DNA marker copy numbers of the total bacterial community nor the nitrogen-fixing bacteria were noticeably different. In turn, the total number of genetic markers for fungi was significantly higher in soils with potassium or ammonium sulfates compared to the control soil. The general results suggest that the application of sulfur fertilizers with NPKMg mineral fertilizer can benefit crops and support soil fertility due to the stabilization of aggregates and the decrease in water-soluble organic compounds.
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Affiliation(s)
- Elżbieta G Magnucka
- Laboratory of Biogeochemistry and Environmental Microbiology, Department of Plant Protection, Wrocław University of Environmental & Life Sciences, Grunwaldzka St. 53, 50-357 Wrocław, Poland
| | - Grzegorz Kulczycki
- Institute of Soil Science, Plant Nutrition and Environmental Protection, Wrocław University of Environmental & Life Sciences, Grunwaldzka St. 53, 50-357 Wrocław, Poland
| | - Małgorzata P Oksińska
- Laboratory of Biogeochemistry and Environmental Microbiology, Department of Plant Protection, Wrocław University of Environmental & Life Sciences, Grunwaldzka St. 53, 50-357 Wrocław, Poland
| | - Jolanta Kucińska
- Laboratory of Biogeochemistry and Environmental Microbiology, Department of Plant Protection, Wrocław University of Environmental & Life Sciences, Grunwaldzka St. 53, 50-357 Wrocław, Poland
| | - Katarzyna Pawęska
- Institute of Environmental Engineering, Wrocław University of Environmental & Life Sciences, Grunwaldzki Sq. 24, 50-363 Wrocław, Poland
| | - Łukasz Milo
- Chemical Plants "Siarkopol" Tarnobrzeg Ltd., Chemiczna St. 3, 39-400 Tarnobrzeg, Poland
| | - Stanisław J Pietr
- Laboratory of Biogeochemistry and Environmental Microbiology, Department of Plant Protection, Wrocław University of Environmental & Life Sciences, Grunwaldzka St. 53, 50-357 Wrocław, Poland
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18
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Apodiakou A, Hoefgen R. New insights into the regulation of plant metabolism by O-acetylserine: sulfate and beyond. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:3361-3378. [PMID: 37025061 DOI: 10.1093/jxb/erad124] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 04/04/2023] [Indexed: 06/08/2023]
Abstract
Under conditions of sulfur deprivation, O-acetylserine (OAS) accumulates, which leads to the induction of a common set of six genes, called OAS cluster genes. These genes are induced not only under sulfur deprivation, but also under other conditions where OAS accumulates, such as shift to darkness and stress conditions leading to reactive oxygen species (ROS) or methyl-jasmonate accumulation. Using the OAS cluster genes as a query in ATTED-II, a co-expression network is derived stably spanning several hundred conditions. This allowed us not only to describe the downstream function of the OAS cluster genes but also to score for functions of the members of the co-regulated co-expression network and hence the effects of the OAS signal on the sulfate assimilation pathway and co-regulated pathways. Further, we summarized existing knowledge on the regulation of the OAS cluster and the co-expressed genes. We revealed that the known sulfate deprivation-related transcription factor EIL3/SLIM1 exhibits a prominent role, as most genes are subject to regulation by this transcription factor. The role of other transcription factors in response to OAS awaits further investigation.
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Affiliation(s)
- Anastasia Apodiakou
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, D-14476 Potsdam-Golm, Germany
| | - Rainer Hoefgen
- Max Planck Institute of Molecular Plant Physiology, Am Mühlenberg 1, D-14476 Potsdam-Golm, Germany
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19
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Kumar RS, Sinha H, Datta T, Asif MH, Trivedi PK. microRNA408 and its encoded peptide regulate sulfur assimilation and arsenic stress response in Arabidopsis. PLANT PHYSIOLOGY 2023; 192:837-856. [PMID: 36682886 PMCID: PMC10231396 DOI: 10.1093/plphys/kiad033] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/20/2022] [Accepted: 12/20/2022] [Indexed: 06/01/2023]
Abstract
MicroRNAs (miRNAs) are small non-coding RNAs that play a central role in regulating various developmental and biological processes. The expression of miRNAs is differentially modulated in response to various biotic and abiotic stresses. Recent findings have shown that some pri-miRNAs encode small regulatory peptides known as microRNA-encoded peptides (miPEPs). miPEPs regulate the growth and development of plants by modulating corresponding miRNA expression; however, the role of these peptides under different stress conditions remains unexplored. Here, we report that pri-miR408 encodes a small peptide, miPEP408, that regulates the expression of miR408, its targets, and associated phenotype in Arabidopsis. We also report that miR408, apart from Plantacyanin (ARPN) and Laccase3 (LAC3), targets a glutathione S-transferase (GSTU25) that plays a role in sulfur assimilation and exhibits a range of detoxification activities with the environmental pollutant. Plants overexpressing miR408 showed severe sensitivity under low sulfur (LS), arsenite As(III), and LS + As(III) stress, while miR408 mutants developed using the CRISPR/Cas9 approach showed tolerance. Transgenic lines showed phenotypic alteration and modulation in the expression of genes involved in the sulfur reduction pathway and affect sulfate and glutathione accumulation. Similar to miR408 overexpressing lines, the exogenous application of synthetic miPEP408 and miPEP408OX lines led to sensitivity in plants under LS, As(III), and combined LS + As(III) stress compared to the control. This study suggests the involvement of miR408 and miPEP408 in heavy metal and nutrient deficiency responses through modulation of the sulfur assimilation pathway.
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Affiliation(s)
- Ravi Shankar Kumar
- CSIR-National Botanical Research Institute (CSIR-NBRI), Rana Pratap Marg, Lucknow 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Hiteshwari Sinha
- CSIR-National Botanical Research Institute (CSIR-NBRI), Rana Pratap Marg, Lucknow 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Tapasya Datta
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow 226015, India
| | - Mehar Hasan Asif
- CSIR-National Botanical Research Institute (CSIR-NBRI), Rana Pratap Marg, Lucknow 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Prabodh Kumar Trivedi
- CSIR-National Botanical Research Institute (CSIR-NBRI), Rana Pratap Marg, Lucknow 226001, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- CSIR-Central Institute of Medicinal and Aromatic Plants (CSIR-CIMAP), Lucknow 226015, India
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20
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Li R, Zhou Z, Zhang T, Su H, Li J. Overexpression of LSU1 and LSU2 confers cadmium tolerance by manipulating sulfur metabolism in Arabidopsis. CHEMOSPHERE 2023; 334:139046. [PMID: 37244555 DOI: 10.1016/j.chemosphere.2023.139046] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 05/13/2023] [Accepted: 05/25/2023] [Indexed: 05/29/2023]
Abstract
Phytoremediation using plants is an environmentally friendly and cost-effective strategy for removing cadmium (Cd) from soil. Plants used for phytoremediation must have a high Cd accumulation capacity and strong Cd tolerance. Therefore, understanding the molecular mechanism of Cd tolerance and accumulation in plants is of great interest. In response to Cd exposure, plants produce various thio-rich compounds, such as glutathione, phytochelatins, and metallothioneins, which play important roles in Cd immobilization, sequestration, and detoxification. Therefore, sulfur (S) metabolism is crucial for Cd tolerance and accumulation. In this study, we report that the overexpression of low-S responsive genes, LSU1 and LSU2, confers Cd tolerance in Arabidopsis. First, LSU1 and LSU2 promoted S assimilation under Cd stress. Second, LSU1 and LSU2 inhibited the biosynthesis and promoted the degradation of aliphatic glucosinolates, which could limit the consumption and enhance the release of S, thus, facilitating the production of the S-rich metabolites, glutathione, phytochelatins, and metallothioneins. We further demonstrated that the Cd tolerance mediated by LSU1 and LSU2 was dependent on the myrosinases BGLU28 and BGLU30, which catalyze the degradation of aliphatic glucosinolates. In addition, the overexpression of LSU1 and LSU2 improved Cd accumulation, which has great potential for the phytoremediation of Cd-contaminated soil.
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Affiliation(s)
- Rui Li
- College of Life Sciences, Northeast Agricultural University, Harbin, 150030, China
| | - Zihuan Zhou
- College of Life Sciences, Northeast Agricultural University, Harbin, 150030, China
| | - Tianqi Zhang
- College of Life Sciences, Northeast Agricultural University, Harbin, 150030, China
| | - Hongzhu Su
- College of Life Sciences, Northeast Agricultural University, Harbin, 150030, China
| | - Jing Li
- College of Life Sciences, Northeast Agricultural University, Harbin, 150030, China.
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21
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El-Beltagi HS, El-Sayed SM, Abdelhamid AN, Hassan KM, Elshalakany WA, Nossier MI, Alabdallah NM, Al-Harbi NA, Al-Qahtani SM, Darwish DBE, Abbas ZK, Ibrahim HA. Potentiating Biosynthesis of Alkaloids and Polyphenolic Substances in Catharanthus roseus Plant Using ĸ-Carrageenan. Molecules 2023; 28:molecules28083642. [PMID: 37110876 PMCID: PMC10143362 DOI: 10.3390/molecules28083642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/17/2023] [Accepted: 04/19/2023] [Indexed: 04/29/2023] Open
Abstract
Catharanthus roseus is a medicinal plant that produces indole alkaloids, which are utilized in anticancer therapy. Vinblastine and vincristine, two commercially important antineoplastic alkaloids, are mostly found in the leaves of Catharanthus roseus. ĸ-carrageenan has been proven as plant growth promoting substance for a number of medicinal and agricultural plants. Considering the importance of ĸ-carrageenan as a promoter of plant growth and phytochemical constituents, especially alkaloids production in Catharanthus roseus, an experiment was carried out to explore the effect of ĸ-carrageenan on the plant growth, phytochemicals content, pigments content, and production of antitumor alkaloids in Catharanthus roseus after planting. Foliar application of ĸ-carrageenan (at 0, 400, 600 and 800 ppm) significantly improved the performance of Catharanthus roseus. Phytochemical analysis involved determining the amount of total phenolics (TP), flavonoids (F), free amino acids (FAA), alkaloids (TAC) and pigments contents by spectrophotometer, minerals by ICP, amino acids, phenolic compounds and alkaloids (Vincamine, Catharanthine, Vincracine (Vincristine), and vinblastine) analysis uses HPLC. The results indicated that all examined ĸ-carrageenan treatments led to a significant (p ≤ 0.05) increase in growth parameters compared to the untreated plants. Phytochemical examination indicates that the spray of ĸ-carrageenan at 800 mg L-1 increased the yield of alkaloids (Vincamine, Catharanthine and Vincracine (Vincristine)) by 41.85 μg/g DW, total phenolic compounds by 3948.6 μg gallic/g FW, the content of flavonoids 951.3 μg quercetin /g FW and carotenoids content 32.97 mg/g FW as compared to the control. An amount of 400 ppm ĸ-carrageenan treatment gave the best contents of FAA, Chl a, Chl b and anthocyanin. The element content of K, Ca, Cu, Zn and Se increased by treatments. Amino acids constituents and phenolics compounds contents were altered by ĸ-carrageenan.
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Affiliation(s)
- Hossam S El-Beltagi
- Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Biochemistry Department, Faculty of Agriculture, Cairo University, Giza 12613, Egypt
| | - Salwa M El-Sayed
- Department of Biochemistry, Faculty of Agriculture, Ain Shams University, Cairo 11566, Egypt
| | - Ahmed N Abdelhamid
- Department of Horticulture, Faculty of Agriculture, Ain Shams University, Cairo 11566, Egypt
| | - Karim M Hassan
- Department of Horticulture, Faculty of Agriculture, Ain Shams University, Cairo 11566, Egypt
| | - Walaa A Elshalakany
- Department of Biochemistry, Faculty of Agriculture, Ain Shams University, Cairo 11566, Egypt
| | - Mona Ibrahim Nossier
- Soil and Water Department, Faculty of Agriculture 11241, Ain Shams University, Cairo 11566, Egypt
| | - Nadiyah M Alabdallah
- Department of Biology, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
- Basic & Applied Scientific Research Centre, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Nadi Awad Al-Harbi
- Biology Department, University College of Tayma, University of Tabuk, Tabuk 47512, Saudi Arabia
| | - Salem Mesfir Al-Qahtani
- Biology Department, University College of Tayma, University of Tabuk, Tabuk 47512, Saudi Arabia
| | - Doaa Bahaa Eldin Darwish
- Biology department, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
- Botany Department, Faculty of Science, Mansoura University, Mansoura 35511, Egypt
| | - Zahid Khorshid Abbas
- Biology department, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Hemmat A Ibrahim
- Department of Biochemistry, Faculty of Agriculture, Ain Shams University, Cairo 11566, Egypt
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22
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Szuba A, Ratajczak E, Leski T, Jasińska AK, Hanć A, Piechalak A, Woźniak G, Jagodziński AM. Physiological response of adult Salix aurita in wetland vegetation affected by flooding with As-rich fine pyrite particles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 865:161197. [PMID: 36586699 DOI: 10.1016/j.scitotenv.2022.161197] [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: 09/08/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023]
Abstract
An uncontrolled, natural episode of flooding with waters contaminated with As-rich pyrite (FeAsS) particles caused serious ecological damage leading to necrosis of plants growing in a fresh wet meadow located in an area characterized by unique geological structures rich in arsenopyrites. One of the few plant species capable of surviving this event was Salix aurita L., which grew in numbers in the analyzed area, but individual plants were affected differently by toxic flooding. No significant phenotypic changes (Group I), through partial leaf and/or stem necrosis (Group II) up to necrosis of the whole parental plant and root suckers (Group III), were observed for various willow clumps. These varied phenotypic responses of S. aurita to As-rich sediments were compared with the biochemical status of the foliage of willow trees, and with their rhizosphere physiological parameters. Our in situ study revealed that the biochemical status of leaves reflects the phenotypic damage incurred by adult willows growing in their natural environment and affected by the flooding. In leaves of willows with increasingly negative phenotypic changes (Groups I → II → III) as well as increasing levels of reactive oxygen species, malondialdehyde and decreased levels of glutathione and thiol groups were detected. Phytochelatins, commonly considered major As chelators, were not detected in S. aurita leaves. Despite a decrease in the size of leaves with the intensity of tree damage, all leaves expressed a normal level of leaf pigments. Phenotypic changes observed for particular willow clumps were only partly related to soil As levels. Moreover, As and S (but not Fe) foliar levels were related but did not correspond strictly with foliar biochemical features, or with soil As levels, soil pH or soil microbial activity, with the latter two drastically decreased in the rhizospheres of willows from Groups II and III.
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Affiliation(s)
- Agnieszka Szuba
- Institute of Dendrology, Polish Academy of Sciences, 62-035 Kórnik, Poland.
| | - Ewelina Ratajczak
- Institute of Dendrology, Polish Academy of Sciences, 62-035 Kórnik, Poland.
| | - Tomasz Leski
- Institute of Dendrology, Polish Academy of Sciences, 62-035 Kórnik, Poland.
| | - Anna K Jasińska
- Institute of Dendrology, Polish Academy of Sciences, 62-035 Kórnik, Poland.
| | - Anetta Hanć
- Department of Trace Analysis, Faculty of Chemistry, Adam Mickiewicz University, 61-614 Poznań, Poland.
| | - Aneta Piechalak
- Laboratory of Genome Biology, Faculty of Biology, Adam Mickiewicz University, 61-614 Poznań, Poland.
| | - Gabriela Woźniak
- Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, 40-032 Katowice, Poland.
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23
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Lyčka M, Barták M, Helia O, Kopriva S, Moravcová D, Hájek J, Fojt L, Čmelík R, Fajkus J, Fojtová M. Sulfate supplementation affects nutrient and photosynthetic status of Arabidopsis thaliana and Nicotiana tabacum differently under prolonged exposure to cadmium. JOURNAL OF HAZARDOUS MATERIALS 2023; 445:130527. [PMID: 36495640 DOI: 10.1016/j.jhazmat.2022.130527] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/22/2022] [Accepted: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Hydroponic experiments were performed to examine the effect of prolonged sulfate limitation combined with cadmium (Cd) exposure in Arabidopsis thaliana and a potential Cd hyperaccumulator, Nicotiana tabacum. Low sulfate treatments (20 and 40 µM MgSO4) and Cd stress (4 µM CdCl2) showed adverse effects on morphology, photosynthetic and biochemical parameters and the nutritional status of both species. For example, Cd stress decreased NO3- root content under 20 µM MgSO4 to approximately 50% compared with respective controls. Interestingly, changes in many measured parameters, such as chlorophyll and carotenoid contents, the concentrations of anions, nutrients and Cd, induced by low sulfate supply, Cd exposure or a combination of both factors, were species-specific. Our data showed opposing effects of Cd exposure on Ca, Fe, Mn, Cu and Zn levels in roots of the studied plants. In A. thaliana, levels of glutathione, phytochelatins and glucosinolates demonstrated their distinct involvement in response to sub-optimal growth conditions and Cd stress. In shoot, the levels of phytochelatins and glucosinolates in the organic sulfur fraction were not dependent on sulfate supply under Cd stress. Altogether, our data showed both common and species-specific features of the complex plant response to prolonged sulfate deprivation and/or Cd exposure.
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Affiliation(s)
- Martin Lyčka
- Mendel Centre for Plant Genomics and Proteomics, Central European Institute of Technology (CEITEC), Masaryk University, 625 00 Brno, Czech Republic; National Centre for Biomolecular Research, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic.
| | - Miloš Barták
- Department of Experimental Biology, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Ondřej Helia
- Mendel Centre for Plant Genomics and Proteomics, Central European Institute of Technology (CEITEC), Masaryk University, 625 00 Brno, Czech Republic; National Centre for Biomolecular Research, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Stanislav Kopriva
- Institute for Plant Sciences, University of Cologne, 50674 Cologne, Germany; Cluster of Excellence on Plant Sciences, University of Cologne, 50674 Cologne, Germany
| | - Dana Moravcová
- Institute of Analytical Chemistry of the Czech Academy of Sciences, 602 00 Brno, Czech Republic
| | - Josef Hájek
- Department of Experimental Biology, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
| | - Lukáš Fojt
- Institute of Biophysics of the Czech Academy of Sciences, 612 00 Brno, Czech Republic
| | - Richard Čmelík
- Institute of Analytical Chemistry of the Czech Academy of Sciences, 602 00 Brno, Czech Republic
| | - Jiří Fajkus
- Mendel Centre for Plant Genomics and Proteomics, Central European Institute of Technology (CEITEC), Masaryk University, 625 00 Brno, Czech Republic; National Centre for Biomolecular Research, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic; Institute of Biophysics of the Czech Academy of Sciences, 612 00 Brno, Czech Republic
| | - Miloslava Fojtová
- Mendel Centre for Plant Genomics and Proteomics, Central European Institute of Technology (CEITEC), Masaryk University, 625 00 Brno, Czech Republic; National Centre for Biomolecular Research, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
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24
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Walsh CA, Bräutigam A, Roberts MR, Lundgren MR. Evolutionary implications of C2 photosynthesis: how complex biochemical trade-offs may limit C4 evolution. JOURNAL OF EXPERIMENTAL BOTANY 2023; 74:707-722. [PMID: 36437625 PMCID: PMC9899418 DOI: 10.1093/jxb/erac465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 11/22/2022] [Indexed: 06/16/2023]
Abstract
The C2 carbon-concentrating mechanism increases net CO2 assimilation by shuttling photorespiratory CO2 in the form of glycine from mesophyll to bundle sheath cells, where CO2 concentrates and can be re-assimilated. This glycine shuttle also releases NH3 and serine into the bundle sheath, and modelling studies suggest that this influx of NH3 may cause a nitrogen imbalance between the two cell types that selects for the C4 carbon-concentrating mechanism. Here we provide an alternative hypothesis outlining mechanisms by which bundle sheath NH3 and serine play vital roles to not only influence the status of C2 plants along the C3 to C4 evolutionary trajectory, but to also convey stress tolerance to these unique plants. Our hypothesis explains how an optimized bundle sheath nitrogen hub interacts with sulfur and carbon metabolism to mitigate the effects of high photorespiratory conditions. While C2 photosynthesis is typically cited for its intermediary role in C4 photosynthesis evolution, our alternative hypothesis provides a mechanism to explain why some C2 lineages have not made this transition. We propose that stress resilience, coupled with open flux tricarboxylic acid and photorespiration pathways, conveys an advantage to C2 plants in fluctuating environments.
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Affiliation(s)
- Catherine A Walsh
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, UK
| | - Andrea Bräutigam
- Faculty of Biology, Bielefeld University, Universität str. 27, D-33615 Bielefeld, Germany
| | - Michael R Roberts
- Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, UK
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25
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Canales J, Arenas-M A, Medina J, Vidal EA. A Revised View of the LSU Gene Family: New Functions in Plant Stress Responses and Phytohormone Signaling. Int J Mol Sci 2023; 24:ijms24032819. [PMID: 36769138 PMCID: PMC9917515 DOI: 10.3390/ijms24032819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 01/20/2023] [Accepted: 01/28/2023] [Indexed: 02/05/2023] Open
Abstract
LSUs (RESPONSE TO LOW SULFUR) are plant-specific proteins of unknown function that were initially identified during transcriptomic studies of the sulfur deficiency response in Arabidopsis. Recent functional studies have shown that LSUs are important hubs of protein interaction networks with potential roles in plant stress responses. In particular, LSU proteins have been reported to interact with members of the brassinosteroid, jasmonate signaling, and ethylene biosynthetic pathways, suggesting that LSUs may be involved in response to plant stress through modulation of phytohormones. Furthermore, in silico analysis of the promoter regions of LSU genes in Arabidopsis has revealed the presence of cis-regulatory elements that are potentially responsive to phytohormones such as ABA, auxin, and jasmonic acid, suggesting crosstalk between LSU proteins and phytohormones. In this review, we summarize current knowledge about the LSU gene family in plants and its potential role in phytohormone responses.
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Affiliation(s)
- Javier Canales
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5110566, Chile
- ANID-Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile
- Correspondence: (J.C.); (E.A.V.)
| | - Anita Arenas-M
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5110566, Chile
- ANID-Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile
| | - Joaquín Medina
- Centro de Biotecnología y Genómica de Plantas, INIA-CSIC-Universidad Politécnica de Madrid, 28223 Madrid, Spain
| | - Elena A. Vidal
- ANID-Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile
- Centro de Genómica y Bioinformática, Facultad de Ciencias, Universidad Mayor, Santiago 8580745, Chile
- Escuela de Biotecnología, Facultad de Ciencias, Universidad Mayor, Santiago 8580745, Chile
- Correspondence: (J.C.); (E.A.V.)
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26
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Heidari P, Hasanzadeh S, Faraji S, Ercisli S, Mora-Poblete F. Genome-Wide Characterization of the Sulfate Transporter Gene Family in Oilseed Crops: Camelina sativa and Brassica napus. PLANTS (BASEL, SWITZERLAND) 2023; 12:628. [PMID: 36771712 PMCID: PMC9919929 DOI: 10.3390/plants12030628] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/23/2023] [Accepted: 01/28/2023] [Indexed: 06/18/2023]
Abstract
Sulfate transporters (SULTRs) are responsible for the uptake of sulfate (SO42-) ions in the rhizosphere by roots and their distribution to plant organs. In this study, SULTR family members in the genomes of two oilseed crops (Camelina sativa and Brassica napus) were identified and characterized based on their sequence structures, duplication events, phylogenetic relationships, phosphorylation sites, and expression levels. In total, 36 and 45 putative SULTR genes were recognized in the genomes of C. sativa and B. napus, respectively. SULTR proteins were predicted to be basophilic proteins with low hydrophilicity in both studied species. According to the observed phylogenetic relationships, we divided the SULTRs into five groups, out of which the SULTR 3 group showed the highest variation. Additionally, several duplication events were observed between the SULTRs. The first duplication event occurred approximately five million years ago between three SULTR 3.1 genes in C. sativa. Furthermore, two subunits were identified in the 3D structures of the SULTRs, which demonstrated that the active binding sites differed between C. sativa and B. napus. According to the available RNA-seq data, the SULTRs showed diverse expression levels in tissues and diverse responses to stimuli. SULTR 3 was expressed in all tissues. SULTR 3.1 was more upregulated in response to abiotic stresses in C. sativa, while SULTR 3.3 and SULTR 2.1 were upregulated in B. napus. Furthermore, SULTR 3 and SULTR 4.1 were upregulated in response to biotic stresses in B. napus. Additionally, the qPCR data showed that the SULTRs in C. sativa were involved in the plant's response to salinity. Based on the distribution of cis-regulatory elements in the promoter region, we speculated that SULTRs might be controlled by phytohormones, such as ABA and MeJA. Therefore, it seems likely that SULTR genes in C. sativa have been more heavily influenced by evolutionary processes and have acquired further diversity. The results reveal new insights of the structures and functions of SULTRs in oilseed crops. However, further analyses, related to functional studies, are needed to uncover the role of SULTRs in the plants' development and growth processes, as well as in their response to stimuli.
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Affiliation(s)
- Parviz Heidari
- Faculty of Agriculture, Shahrood University of Technology, Shahrood 3619995161, Iran
| | - Soosan Hasanzadeh
- Faculty of Agriculture, Shahrood University of Technology, Shahrood 3619995161, Iran
| | - Sahar Faraji
- Department of Plant Breeding, Faculty of Crop Sciences, Sari Agricultural Sciences and Natural Resources University (SANRU), Sari 4818168984, Iran
| | - Sezai Ercisli
- Department of Horticulture, Faculty of Agriculture, Ataturk University, 25240 Erzurum, Turkey
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27
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Study of the mineral contents of Matricaria pubescens and Brocchia cinerea from Algeria. ANNALES PHARMACEUTIQUES FRANÇAISES 2023; 81:107-114. [PMID: 35944698 DOI: 10.1016/j.pharma.2022.08.005] [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: 01/16/2022] [Revised: 07/05/2022] [Accepted: 08/01/2022] [Indexed: 01/07/2023]
Abstract
Two species of plants commonly used for mainly their therapeutic values and available in some herbalists shops, namely: Brocchia cinerea and Matricaria pubescens that both belong to asteraceae family, and encountered mainly in the Algerian desert, have drawn attention in the scope of assessing their mineral contents, in fact minerals play an important role in the plant homeostasis and metabolism, on the other hand they may influence the health conditions mainly due to toxicity, and also the benefits that the plant consumer could have, the current study aimed to assess the contents of Al, Cd, Cr, Cu, Fe, Hg, Ni, Pb, Zn, As, Na, K, Mg, P, S and SI, beside comparing the obtained results to other similar studies, the aerial parts of the plants are collected from several sites then mineralized and analyzed using ICP-AES and AAS, high levels of Na, K and Mg have been noted, on the other hands levels of metals were noted to be overall marginal, except for Al and Hg for the sample of Brocchia cinerea from El oued, the levels of As also seemed to be high in all the samples, inversely to the levels of S and P which seemed lower than those noted for other plants in paralleled studies, while that similar results were found for Zn, Fe, the chemical and geologic features of the soils may be the influencing factor. Additionally the current study may put first milestone for the establishment of national guidelines regarding the mineral contents of medicinal plants.
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28
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Koprivova A, Elkatmis B, Gerlich SC, Trick M, Harper AL, Bancroft I, Kopriva S. Natural Variation in OASC Gene for Mitochondrial O-Acetylserine Thiollyase Affects Sulfate Levels in Arabidopsis. PLANTS (BASEL, SWITZERLAND) 2022; 12:35. [PMID: 36616163 PMCID: PMC9824738 DOI: 10.3390/plants12010035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 12/18/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Sulfur plays a vital role in the primary and secondary metabolism of plants, and carries an important function in a large number of different compounds. Despite this importance, compared to other mineral nutrients, relatively little is known about sulfur sensing and signalling, as well as about the mechanisms controlling sulfur metabolism and homeostasis. Sulfur contents in plants vary largely not only among different species, but also among accessions of the same species. We previously used associative transcriptomics to identify several genes potentially controlling variation in sulfate content in the leaves of Brassica napus, including an OASC gene for mitochondrial O-acetylserine thiollyase (OAS-TL), an enzyme involved in cysteine synthesis. Here, we show that loss of OASC in Arabidopsis thaliana lowers not only sulfate, but also glutathione levels in the leaves. The reduced accumulation is caused by lower sulfate uptake and translocation to the shoots; however, the flux through the pathway is not affected. In addition, we identified a single nucleotide polymorphism in the OASC gene among A. thaliana accessions that is linked to variation in sulfate content. Both genetic and transgenic complementation confirmed that the exchange of arginine at position 81 for lysine in numerous accessions resulted in a less active OASC and a lower sulfate content in the leaves. The mitochondrial isoform of OAS-TL is, thus, after the ATPS1 isoform of sulfurylase and the APR2 form of APS reductase 2, the next metabolic enzyme with a role in regulation of sulfate content in Arabidopsis.
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Affiliation(s)
- Anna Koprivova
- Institute for Plant Sciences, Cluster of Excellence on Plant Sciences, University of Cologne, Zülpicher Str. 47b, 50674 Cologne, Germany
| | - Büsra Elkatmis
- Institute for Plant Sciences, Cluster of Excellence on Plant Sciences, University of Cologne, Zülpicher Str. 47b, 50674 Cologne, Germany
| | - Silke C. Gerlich
- Institute for Plant Sciences, Cluster of Excellence on Plant Sciences, University of Cologne, Zülpicher Str. 47b, 50674 Cologne, Germany
| | - Martin Trick
- John Innes Centre, Norwich Research Park, Colney, Norwich NR4 7UH, UK
| | - Andrea L. Harper
- Department of Biology, University of York, Heslington, York YO10 5DD, UK
| | - Ian Bancroft
- Department of Biology, University of York, Heslington, York YO10 5DD, UK
| | - Stanislav Kopriva
- Institute for Plant Sciences, Cluster of Excellence on Plant Sciences, University of Cologne, Zülpicher Str. 47b, 50674 Cologne, Germany
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29
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Pavlů J, Kerchev P, Černý M, Novák J, Berka M, Jobe TO, López Ramos JM, Saiz-Fernández I, Rashotte AM, Kopriva S, Brzobohatý B. Cytokinin modulates the metabolic network of sulfur and glutathione. JOURNAL OF EXPERIMENTAL BOTANY 2022; 73:7417-7433. [PMID: 36226742 DOI: 10.1093/jxb/erac391] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
The phytohormone cytokinin is implicated in a range of growth, developmental, and defense processes. A growing body of evidence supports a crosstalk between cytokinin and nutrient signaling pathways, such as nitrate availability. Cytokinin signaling regulates sulfur-responsive gene expression, but the underlying molecular mechanisms and their impact on sulfur-containing metabolites have not been systematically explored. Using a combination of genetic and pharmacological tools, we investigated the interplay between cytokinin signaling and sulfur homeostasis. Exogenous cytokinin triggered sulfur starvation-like gene expression accompanied by a decrease in sulfate and glutathione content. This process was uncoupled from the activity of the major transcriptional regulator of sulfate starvation signaling SULFUR LIMITATION 1 and an important glutathione-degrading enzyme, γ-glutamyl cyclotransferase 2;1, expression of which was robustly up-regulated by cytokinin. Conversely, glutathione accumulation was observed in mutants lacking the cytokinin receptor ARABIDOPSIS HISTIDINE KINASE 3 and in cytokinin-deficient plants. Cytokinin-deficient plants displayed improved root growth upon exposure to glutathione-depleting chemicals which was attributed to a higher capacity to maintain glutathione levels. These results shed new light on the interplay between cytokinin signaling and sulfur homeostasis. They position cytokinin as an important modulator of sulfur uptake, assimilation, and remobilization in plant defense against xenobiotics and root growth.
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Affiliation(s)
- Jaroslav Pavlů
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
- Department of Experimental Biology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Pavel Kerchev
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
| | - Martin Černý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
| | - Jan Novák
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
| | - Miroslav Berka
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
| | - Timothy O Jobe
- Institute for Plant Sciences, Cluster of Excellence on Plant Sciences (CEPLAS), University of Cologne, Cologne, Germany
| | - José Maria López Ramos
- Institute for Plant Sciences, Cluster of Excellence on Plant Sciences (CEPLAS), University of Cologne, Cologne, Germany
| | - Iñigo Saiz-Fernández
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
| | - Aaron Michael Rashotte
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
- Department of Biological Sciences, Auburn University, Auburn, AL 36849, USA
| | - Stanislav Kopriva
- Institute for Plant Sciences, Cluster of Excellence on Plant Sciences (CEPLAS), University of Cologne, Cologne, Germany
| | - Břetislav Brzobohatý
- Department of Molecular Biology and Radiobiology, Faculty of AgriSciences, Mendel University in Brno, Brno, Czech Republic
- Central European Institute of Technology (CEITEC), Mendel University in Brno, Brno, Czech Republic
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Navarro-León E, Borda E, Marín C, Sierras N, Blasco B, Ruiz JM. Application of an Enzymatic Hydrolysed L-α-Amino Acid Based Biostimulant to Improve Sunflower Tolerance to Imazamox. PLANTS (BASEL, SWITZERLAND) 2022; 11:2761. [PMID: 36297785 PMCID: PMC9611503 DOI: 10.3390/plants11202761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/17/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
Herbicides, commonly used in agriculture to control weeds, often cause negative effects on crops. Safeners are applied to reduce the damage to crops without affecting the effectiveness of herbicides against weeds. Plant biostimulants have the potential to increase tolerance to a series of abiotic stresses, but very limited information exists about their effects on herbicide-stressed plants. This study aims to verify whether the application of a potential safener such as Terra-Sorb®, an L-α-amino acid-based biostimulant, reduces the phytotoxicity of an Imazamox-based herbicide and to elucidate which tolerance mechanisms are induced. Sunflower plants were treated with Pulsar® 40 (4% Imazamox) both alone and in combination with Terra-Sorb®. Plants treated with the herbicide in combination with Terra-Sorb® showed higher growth, increased acetolactate synthase (ALS) activity, and amino acid concentration with respect to the plants treated with Imazamox alone. Moreover, the biostimulant protected photosynthetic activity and reduced oxidative stress. This protective effect could be due to the glutathione S-transferase (GST) induction and antioxidant systems dependent on glutathione (GSH). However, no effect of the biostimulant application was observed regarding phenolic compound phenylalanine ammonium-lyase (PAL) activity. Therefore, this study opens the perspective of using Terra-Sorb® in protecting sunflower plants against an imazamox-based herbicide effect.
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Affiliation(s)
- Eloy Navarro-León
- Department of Plant Physiology, Faculty of Sciences, University of Granada, 18071 Granada, Spain
| | - Elisabet Borda
- R & D Plant Health, Bioiberica S.A.U., 08389 Barcelona, Spain
| | - Cándido Marín
- R & D Plant Health, Bioiberica S.A.U., 08389 Barcelona, Spain
| | - Nuria Sierras
- R & D Plant Health, Bioiberica S.A.U., 08389 Barcelona, Spain
| | - Begoña Blasco
- Department of Plant Physiology, Faculty of Sciences, University of Granada, 18071 Granada, Spain
| | - Juan M. Ruiz
- Department of Plant Physiology, Faculty of Sciences, University of Granada, 18071 Granada, Spain
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Liu Z, Liu D, Fu X, Du X, Zhang Y, Zhen W, Li S, Yang H, He S, Li R. Integrated transcriptomic and metabolomic analyses revealed the regulatory mechanism of sulfur application in grain yield and protein content in wheat ( Triticum aestivum L.). FRONTIERS IN PLANT SCIENCE 2022; 13:935516. [PMID: 36186031 PMCID: PMC9523790 DOI: 10.3389/fpls.2022.935516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/24/2022] [Indexed: 06/16/2023]
Abstract
Sulfur fertilizers play an important role in increasing the yield and improving the dough quality of bread wheat, but their regulatory mechanism remains unclear. In this study, 0 kg·ha-1 (S0) and 60 kg·ha-1 (S60) of sulfur were applied on the anthesis date; subsequently, immature wheat grains at 8, 13, and 18 days post-anthesis (DPA) were subjected to integrated transcriptomic and metabolomic analyses to investigate the changes in the gene/metabolite activity in a typical strong-gluten wheat, Gaoyou2018 (GY2018). Our data show that the S60 treatment could significantly increase the grain yield and grain protein content by 13.2 and 3.6%, respectively. The transcriptomic analysis revealed that 10,694 differentially expressed genes (DEGs) were induced by S60 from 8 to 18 DPA when compared with their corresponding no-sulfur controls, and most DEGs were mainly involved in lipid metabolism and amino acid metabolism pathways. Ninety-seven MYB transcription factors (TFs) were identified as responsive to the S60 treatment; of these, 66 showed significantly differential expression at 13 DPA, and MYB118 might participate in the process of sulfur metabolism by regulating glucosinolate synthesis. In total, 542 significantly enriched differentially expressed (DE) metabolites (DEMs) were identified following the S60 treatment, which mainly included secondary metabolites, carbohydrates, and amino acids. Several metabolites (e.g., glutathione, sucrose, GDP-alpha-D-glucose, and amino acids) exhibited altered abundances following the S60 treatment. The combination of transcriptomic and metabolomic analyses highlighted the important role of amino acid metabolism (especially cysteine, methionine, and glutathione metabolism) and starch and sucrose metabolism pathways after S60 application. Our results provide valuable information enhancing our understanding of the molecular mechanism of the response to sulfur and provide useful clues for grain protein quality formation and yield improvement in bread wheat.
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Affiliation(s)
- Zhilian Liu
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, China
- Wheat Breeding Center, Gaocheng Institute of Agricultural Sciences, Shijiazhuang, China
| | - Dongcheng Liu
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, China
| | - Xiaoyi Fu
- Wheat Research Center, Shijiazhuang Academy of Agriculture and Forestry Sciences, Shijiazhuang, China
| | - Xiong Du
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, China
| | - Yuechen Zhang
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, China
| | - Wenchao Zhen
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, China
| | - Shan Li
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, China
| | - Haichuan Yang
- Wheat Breeding Center, Gaocheng Institute of Agricultural Sciences, Shijiazhuang, China
| | - Suqin He
- Agricultural Technology Promotion Center, Gaocheng Agricultural and Rural Bureau of Shijiazhuang City, Shijiazhuang, China
| | - Ruiqi Li
- State Key Laboratory of North China Crop Improvement and Regulation, College of Agronomy, Hebei Agricultural University, Baoding, China
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Ito T, Kitaiwa T, Nishizono K, Umahashi M, Miyaji S, Agake S, Kuwahara K, Yokoyama T, Fushinobu S, Maruyama‐Nakashita A, Sugiyama R, Sato M, Inaba J, Hirai MY, Ohkama‐Ohtsu N. Glutathione degradation activity of γ-glutamyl peptidase 1 manifests its dual roles in primary and secondary sulfur metabolism in Arabidopsis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 111:1626-1642. [PMID: 35932489 PMCID: PMC9804317 DOI: 10.1111/tpj.15912] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 07/09/2022] [Accepted: 07/20/2022] [Indexed: 06/08/2023]
Abstract
Glutathione (GSH) functions as a major sulfur repository and hence occupies an important position in primary sulfur metabolism. GSH degradation results in sulfur reallocation and is believed to be carried out mainly by γ-glutamyl cyclotransferases (GGCT2;1, GGCT2;2, and GGCT2;3), which, however, do not fully explain the rapid GSH turnover. Here, we discovered that γ-glutamyl peptidase 1 (GGP1) contributes to GSH degradation through a yeast complementation assay. Recombinant proteins of GGP1, as well as GGP3, showed high degradation activity of GSH, but not of oxidized glutathione (GSSG), in vitro. Notably, the GGP1 transcripts were highly abundant in rosette leaves, in agreement with the ggp1 mutants constantly accumulating more GSH regardless of nutritional conditions. Given the lower energy requirements of the GGP- than the GGCT-mediated pathway, the GGP-mediated pathway could be a more efficient route for GSH degradation than the GGCT-mediated pathway. Therefore, we propose a model wherein cytosolic GSH is degraded chiefly by GGP1 and likely also by GGP3. Another noteworthy fact is that GGPs are known to process GSH conjugates in glucosinolate and camalexin synthesis; indeed, we confirmed that the ggp1 mutant contained higher levels of O-acetyl-l-Ser, a signaling molecule for sulfur starvation, and lower levels of glucosinolates and their degradation products. The predicted structure of GGP1 further provided a rationale for this hypothesis. In conclusion, we suggest that GGP1 and possibly GGP3 play vital roles in both primary and secondary sulfur metabolism.
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Affiliation(s)
- Takehiro Ito
- United Graduate School of Agricultural ScienceTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
- RIKEN Center for Sustainable Resource Science1‐7‐22, Suehiro‐cho, Tsurumi‐kuYokohamaKanagawa230‐0045Japan
| | - Taisuke Kitaiwa
- Graduate School of AgricultureTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
| | - Kosuke Nishizono
- Graduate School of AgricultureTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
| | - Minori Umahashi
- Graduate School of AgricultureTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
| | - Shunsuke Miyaji
- Graduate School of AgricultureTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
| | - Shin‐ichiro Agake
- Institute of Global Innovation ResearchTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
| | - Kana Kuwahara
- Faculty of AgricultureTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
| | - Tadashi Yokoyama
- Institute of AgricultureTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
- Faculty of Food and Agricultural SciencesFukushima UniversityKanayagawa 1Fukushima‐shiFukushima960‐1296Japan
| | - Shinya Fushinobu
- Department of BiotechnologyThe University of Tokyo1‐1‐1 YayoiBunkyo‐kuTokyo113‐8657Japan
- Collaborative Research Institute for Innovative MicrobiologyThe University of Tokyo1‐1‐1 YayoiBunkyo‐kuTokyo113‐8657Japan
| | - Akiko Maruyama‐Nakashita
- Graduate School of Bioresource and Bioenvironmental ScienceKyushu University744 MotookaNishi‐kuFukuoka819‐0395Japan
| | - Ryosuke Sugiyama
- RIKEN Center for Sustainable Resource Science1‐7‐22, Suehiro‐cho, Tsurumi‐kuYokohamaKanagawa230‐0045Japan
- Department of PharmacyNational University of Singapore4 Science Drive 2117544SingaporeSingapore
- Present address:
Graduate School of Pharmaceutical SciencesChiba University1‐8‐1, Inohana, Chuo‐kuChiba260‐8675Japan
| | - Muneo Sato
- RIKEN Center for Sustainable Resource Science1‐7‐22, Suehiro‐cho, Tsurumi‐kuYokohamaKanagawa230‐0045Japan
| | - Jun Inaba
- RIKEN Center for Sustainable Resource Science1‐7‐22, Suehiro‐cho, Tsurumi‐kuYokohamaKanagawa230‐0045Japan
| | - Masami Yokota Hirai
- RIKEN Center for Sustainable Resource Science1‐7‐22, Suehiro‐cho, Tsurumi‐kuYokohamaKanagawa230‐0045Japan
- Graduate School of Bioagricultural ScienceNagoya UniversityFuro‐cho, Chikusa‐kuNagoyaAichi464‐8601Japan
| | - Naoko Ohkama‐Ohtsu
- Institute of Global Innovation ResearchTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
- Institute of AgricultureTokyo University of Agriculture and Technology3‐5‐8, Saiwai‐choFuchuTokyo183‐8509Japan
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Hilário S, Gonçalves MFM, Fidalgo C, Tacão M, Alves A. Genome Analyses of Two Blueberry Pathogens: Diaporthe amygdali CAA958 and Diaporthe eres CBS 160.32. J Fungi (Basel) 2022; 8:jof8080804. [PMID: 36012791 PMCID: PMC9409727 DOI: 10.3390/jof8080804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 02/04/2023] Open
Abstract
The genus Diaporthe includes pathogenic species distributed worldwide and affecting a wide variety of hosts. Diaporthe amygdali and Diaporthe eres have been found to cause cankers, dieback, or twig blights on economically important crops such as soybean, almond, grapevine, and blueberry. Despite their importance as plant pathogens, the strategies of species of Diaporthe to infect host plants are poorly explored. To provide a genomic basis of pathogenicity, the genomes of D. amygdali CAA958 and D. eres CBS 160.32 were sequenced and analyzed. Cellular transporters involved in the transport of toxins, ions, sugars, effectors, and genes implicated in pathogenicity were detected in both genomes. Hydrolases and oxidoreductases were the most prevalent carbohydrate-active enzymes (CAZymes). However, analyses of the secreted proteins revealed that the secretome of D. eres CBS 160.32 is represented by 5.4% of CAZymes, whereas the secreted CAZymes repertoire of D. amygdali CAA958 represents 29.1% of all secretomes. Biosynthetic gene clusters (BGCs) encoding compounds related to phytotoxins and mycotoxins were detected in D. eres and D. amygdali genomes. The core gene clusters of the phytotoxin Fusicoccin A in D. amygdali are reported here through a genome-scale assembly. Comparative analyses of the genomes from 11 Diaporthe species revealed an average of 874 CAZymes, 101 secondary metabolite BGCs, 1640 secreted proteins per species, and genome sizes ranging from 51.5 to 63.6 Mbp. This study offers insights into the overall features and characteristics of Diaporthe genomes. Our findings enrich the knowledge about D. eres and D. amygdali, which will facilitate further research into the pathogenicity mechanisms of these species.
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Chorianopoulou SN, Bouranis DL. The Role of Sulfur in Agronomic Biofortification with Essential Micronutrients. PLANTS 2022; 11:plants11151979. [PMID: 35956455 PMCID: PMC9370111 DOI: 10.3390/plants11151979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/22/2022] [Accepted: 07/23/2022] [Indexed: 11/16/2022]
Abstract
Sulfur (S) is an essential macronutrient for plants, being necessary for their growth and metabolism and exhibiting diverse roles throughout their life cycles. Inside the plant body, S is present either in one of its inorganic forms or incorporated in an organic compound. Moreover, organic S compounds may contain S in its reduced or oxidized form. Among others, S plays roles in maintaining the homeostasis of essential micronutrients, e.g., iron (Fe), copper (Cu), zinc (Zn), and manganese (Mn). One of the most well-known connections is homeostasis between S and Fe, mainly in terms of the role of S in uptake, transportation, and distribution of Fe, as well as the functional interactions of S with Fe in the Fe-S clusters. This review reports the available information describing the connections between the homeostasis of S and Fe, Cu, Zn, and Mn in plants. The roles of S- or sulfur-derived organic ligands in metal uptake and translocation within the plant are highlighted. Moreover, the roles of these micronutrients in S homeostasis are also discussed.
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Romano N. Cardboard supplementation on the growth and nutritional content of black solider fly ( Hermetia illucens) larvae and resulting frass. INTERNATIONAL JOURNAL OF TROPICAL INSECT SCIENCE 2022; 42:3357-3362. [PMID: 35755798 PMCID: PMC9210340 DOI: 10.1007/s42690-022-00831-5] [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: 08/09/2021] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
A 10-day trial was conducted to compare the production and fatty acid composition of black soldier fly (Hermetia illucens) larvae (BSFL) when grown without or with cardboard supplementation at 2.2% on a dry weight basis. The final biomass of BSFL or waste reduction was not significantly impacted by cardboard. The fatty acids of C10 and C22:6n-3 were significantly higher in BSFL in the cardboard treatment, but crude lipid significantly reduced. The leftover BSFL frass had significantly higher sulfur, zinc, manganese and boron at the expense of lower nitrogen (91.2% versus 8.73% in control versus cardboard, respectively). These preliminary results appear to indicate that the growth and nutritional value of BSFL were not adversely compromised while the frass can be enhanced by adding relatively small amounts (2.2%) of cardboard. Further studies could be conducted to investigate the implications of higher inclusion levels.
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Affiliation(s)
- Nicholas Romano
- Aquaculture/Fisheries Center, University of Arkansas at Pine Bluff, 1200 North University Drive, Pine Bluff, AR 71601 USA
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Laîné P, Coquerel R, Arkoun M, Trouverie J, Etienne P. Assessing the Effect of Silicon Supply on Root Sulfur Uptake in S-Fed and S-Deprived Brassica napus L. PLANTS (BASEL, SWITZERLAND) 2022; 11:1606. [PMID: 35736757 PMCID: PMC9227570 DOI: 10.3390/plants11121606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/15/2022] [Accepted: 06/16/2022] [Indexed: 06/15/2023]
Abstract
Silicon (Si) is known to alleviate many nutritional stresses. However, in Brassica napus, which is a highly S-demanding species, the Si effect on S deficiency remains undocumented. The aim of this study was to assess whether Si alleviates the negative effects of S deficiency on Brassica napus and modulates root sulfate uptake capacity and S accumulation. For this, Brassica napus plants were cultivated with or without S and supplied or not supplied with Si. The effects of Si on S content, growth, expression of sulfate transporter genes (BnaSultr1.1; BnaSultr1.2) and sulfate transporters activity in roots were monitored. Si supply did not mitigate growth or S status alterations due to S deprivation but moderated the expression of BnaSultr1.1 in S-deprived plants without affecting the activity of root sulfate transporters. The effects of Si on the amount of S taken-up and on S transporter gene expression were also evaluated after 72 h of S resupply. In S-deprived plants, S re-feeding led to a strong decrease in the expression of both S transporter genes as expected, except in Si-treated plants where BnaSultr1.1 expression was maintained over time. This result is discussed in relation to the similar amount of S accumulated regardless of the Si treatment.
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Affiliation(s)
- Philippe Laîné
- Unicaen, INRAE, UMR 950 EVA, SF Normandie Végétal (FED4277), Normandie Université, 14000 Caen, France; (P.L.); (R.C.); (J.T.)
| | - Raphaël Coquerel
- Unicaen, INRAE, UMR 950 EVA, SF Normandie Végétal (FED4277), Normandie Université, 14000 Caen, France; (P.L.); (R.C.); (J.T.)
| | - Mustapha Arkoun
- Laboratoire de Nutrition Végétale, Agro Innovation International-TIMAC AGRO, 35400 Saint-Malo, France;
| | - Jacques Trouverie
- Unicaen, INRAE, UMR 950 EVA, SF Normandie Végétal (FED4277), Normandie Université, 14000 Caen, France; (P.L.); (R.C.); (J.T.)
| | - Philippe Etienne
- Unicaen, INRAE, UMR 950 EVA, SF Normandie Végétal (FED4277), Normandie Université, 14000 Caen, France; (P.L.); (R.C.); (J.T.)
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Uribe F, Henríquez-Valencia C, Arenas-M A, Medina J, Vidal EA, Canales J. Evolutionary and Gene Expression Analyses Reveal New Insights into the Role of LSU Gene-Family in Plant Responses to Sulfate-Deficiency. PLANTS 2022; 11:plants11121526. [PMID: 35736678 PMCID: PMC9229004 DOI: 10.3390/plants11121526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 05/30/2022] [Accepted: 06/04/2022] [Indexed: 11/16/2022]
Abstract
LSU proteins belong to a plant-specific gene family initially characterized by their strong induction in response to sulfate (S) deficiency. In the last few years, LSUs have arisen as relevant hubs in protein–protein interaction networks, in which they play relevant roles in the response to abiotic and biotic stresses. Most of our knowledge on LSU genomic organization, expression and function comes from studies in Arabidopsis and tobacco, while little is known about the LSU gene repertoire and evolution of this family in land plants. In this work, a total of 270 LSU family members were identified using 134 land plant species with whole-genome sequences available. Phylogenetic analysis revealed that LSU genes belong to a Spermatophyta-specific gene family, and their homologs are distributed in three major groups, two for dicotyledons and one group for monocotyledons. Protein sequence analyses showed four new motifs that further support the subgroup classification by phylogenetic analyses. Moreover, we analyzed the expression of LSU genes in one representative species of each phylogenetic group (wheat, tomato and Arabidopsis) and found a conserved response to S deficiency, suggesting that these genes might play a key role in S stress responses. In summary, our results indicate that LSU genes belong to the Spermatophyta-specific gene family and their response to S deficiency is conserved in angiosperms.
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Affiliation(s)
- Felipe Uribe
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5110566, Chile; (F.U.); (C.H.-V.); (A.A.-M.)
| | - Carlos Henríquez-Valencia
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5110566, Chile; (F.U.); (C.H.-V.); (A.A.-M.)
| | - Anita Arenas-M
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5110566, Chile; (F.U.); (C.H.-V.); (A.A.-M.)
- ANID-Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile;
| | - Joaquín Medina
- Centro de Biotecnología y Genómica de Plantas, INIA-CSIC-Universidad Politécnica de Madrid, 28223 Madrid, Spain;
| | - Elena A. Vidal
- ANID-Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile;
- Centro de Genómica y Bioinformática, Facultad de Ciencias, Universidad Mayor, Santiago 8580745, Chile
- Escuela de Biotecnología, Facultad de Ciencias, Universidad Mayor, Santiago 8580745, Chile
| | - Javier Canales
- Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile, Valdivia 5110566, Chile; (F.U.); (C.H.-V.); (A.A.-M.)
- ANID-Millennium Science Initiative Program-Millennium Institute for Integrative Biology (iBio), Santiago 8331150, Chile;
- Correspondence:
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Abstract
As sessile organisms, plants have developed sophisticated mechanism to sense and utilize nutrients from the environment, and modulate their growth and development according to the nutrient availability. Research in the past two decades revealed that nutrient assimilation is not occurring spontaneously, but nutrient signaling networks are complexly regulated and integrate sensing and signaling, gene expression, and metabolism to ensure homeostasis and coordination with plant energy conversion and other processes. Here, we review the importance of the macronutrient sulfur (S) and compare the knowledge of S signaling with other important macronutrients, such as nitrogen (N) and phosphorus (P). We focus on key advances in understanding sulfur sensing and signaling, uptake and assimilation, and we provide new analysis of published literature, to identify core genes regulated by the key transcriptional factor in S starvation response, SLIM1/EIL3, and compare the impact on other nutrient deficiency and stresses on S-related genes.
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Affiliation(s)
- Daniela Ristova
- University of Cologne, Institute for Plant Sciences, Cluster of Excellence on Plant Sciences (CEPLAS), Zülpicher Str. 47b, 50674 Cologne, Germany
| | - Stanislav Kopriva
- University of Cologne, Institute for Plant Sciences, Cluster of Excellence on Plant Sciences (CEPLAS), Zülpicher Str. 47b, 50674 Cologne, Germany
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Li ZG, Li XE, Chen HY. Sulfur Dioxide: An Emerging Signaling Molecule in Plants. FRONTIERS IN PLANT SCIENCE 2022; 13:891626. [PMID: 35615134 PMCID: PMC9125217 DOI: 10.3389/fpls.2022.891626] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 04/25/2022] [Indexed: 05/20/2023]
Abstract
Sulfur dioxide (SO2) has long been viewed as toxic gas and air pollutant, but now is being verified as a signaling molecule in mammalian cells. SO2 can be endogenously produced and rapidly transformed into sulfur-containing compounds (e.g., hydrogen sulfide, cysteine, methionine, glutathione, glucosinolate, and phytochelatin) to maintain its homeostasis in plant cells. Exogenous application of SO2 in the form of gas or solution can trigger the expression of thousands of genes. The physiological functions of these genes are involved in the antioxidant defense, osmotic adjustment, and synthesis of stress proteins, secondary metabolites, and plant hormones, thus modulating numerous plant physiological processes. The modulated physiological processes by SO2 are implicated in seed germination, stomatal action, postharvest physiology, and plant response to environmental stresses. However, the review on the signaling role of SO2 in plants is little. In this review, the anabolism and catabolism of SO2 in plants were summarized. In addition, the signaling role of SO2 in seed germination, stomatal movement, fruit fresh-keeping, and plant response to environmental stresses (including drought, cold, heavy metal, and pathogen stresses) was discussed. Finally, the research direction of SO2 in plants is also proposed.
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Affiliation(s)
- Zhong-Guang Li
- School of Life Sciences, Yunnan Normal University, Kunming, China
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Kunming, China
- Key Laboratory of Biomass Energy and Environmental Biotechnology, Yunnan Normal University, Kunming, China
| | - Xiao-Er Li
- School of Life Sciences, Yunnan Normal University, Kunming, China
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Kunming, China
- Key Laboratory of Biomass Energy and Environmental Biotechnology, Yunnan Normal University, Kunming, China
| | - Hong-Yan Chen
- School of Life Sciences, Yunnan Normal University, Kunming, China
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Kunming, China
- Key Laboratory of Biomass Energy and Environmental Biotechnology, Yunnan Normal University, Kunming, China
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The Genome-Wide Identification of Long Non-Coding RNAs Involved in Floral Thermogenesis in Nelumbo nucifera Gaertn. Int J Mol Sci 2022; 23:ijms23094901. [PMID: 35563291 PMCID: PMC9102460 DOI: 10.3390/ijms23094901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/22/2022] [Accepted: 04/26/2022] [Indexed: 02/01/2023] Open
Abstract
The sacred lotus (Nelumbo nucifera Gaertn.) can maintain a stable floral chamber temperature when blooming, despite ambient temperature fluctuations; however, the long non-coding RNAs (lncRNAs) involved in floral thermogenesis remain unclear. In the present study, we obtain comprehensive lncRNAs expression profiles from receptacles at five developmental stages by strand-specific RNA sequencing to reveal the lncRNAs regulatory mechanism of the floral thermogenesis of N. nucifera. A total of 22,693 transcripts were identified as lncRNAs, of which approximately 44.78% had stage-specific expression patterns. Subsequently, we identified 2579 differential expressed lncRNAs (DELs) regulating 2367 protein-coding genes mainly involved in receptacle development and reproductive process. Then, lncRNAs with floral thermogenesis identified by weighted gene co-expression network analysis (WGCNA) were mainly related to sulfur metabolism and mitochondrial electron transport chains. Meanwhile, 70 lncRNAs were predicted to act as endogenous target mimics (eTMs) for 29 miRNAs and participate in the regulation of 16 floral thermogenesis-related genes. Our dual luciferase reporter assays indicated that lncRNA LTCONS_00068702 acted as eTMs for miR164a_4 to regulate the expression of TrxL2 gene. These results deepen our understanding of the regulation mechanism of floral thermogenesis by lncRNAs and accumulate data for further research.
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Ceasar SA, Maharajan T, Hillary VE, Ajeesh Krishna TP. Insights to improve the plant nutrient transport by CRISPR/Cas system. Biotechnol Adv 2022; 59:107963. [PMID: 35452778 DOI: 10.1016/j.biotechadv.2022.107963] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 04/09/2022] [Accepted: 04/14/2022] [Indexed: 02/06/2023]
Abstract
We need to improve food production to feed the ever growing world population especially in a changing climate. Nutrient deficiency in soils is one of the primary bottlenecks affecting the crop production both in developed and developing countries. Farmers are forced to apply synthetic fertilizers to improve the crop production to meet the demand. Understanding the mechanism of nutrient transport is helpful to improve the nutrient-use efficiency of crops and promote the sustainable agriculture. Many transporters involved in the acquisition, export and redistribution of nutrients in plants are characterized. In these studies, heterologous systems like yeast and Xenopus were most frequently used to study the transport function of plant nutrient transporters. CRIPSR/Cas system introduced recently has taken central stage for efficient genome editing in diverse organisms including plants. In this review, we discuss the key nutrient transporters involved in the acquisition and redistribution of nutrients from soil. We draw insights on the possible application CRISPR/Cas system for improving the nutrient transport in plants by engineering key residues of nutrient transporters, transcriptional regulation of nutrient transport signals, engineering motifs in promoters and transcription factors. CRISPR-based engineering of plant nutrient transport not only helps to study the process in native plants with conserved regulatory system but also aid to develop non-transgenic crops with better nutrient use-efficiency. This will reduce the application of synthetic fertilizers and promote the sustainable agriculture strengthening the food and nutrient security.
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Affiliation(s)
| | | | - V Edwin Hillary
- Department of Biosciences, Rajagiri College of Social Sciences, Kochi 683104, Kerala, India
| | - T P Ajeesh Krishna
- Department of Biosciences, Rajagiri College of Social Sciences, Kochi 683104, Kerala, India
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Xie H, Zhao W, Li W, Zhang Y, Hajný J, Han H. Small signaling peptides mediate plant adaptions to abiotic environmental stress. PLANTA 2022; 255:72. [PMID: 35218440 DOI: 10.1007/s00425-022-03859-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Accepted: 02/14/2022] [Indexed: 05/27/2023]
Abstract
Peptide-receptor complexes activate distinct downstream regulatory networks to mediate plant adaptions to abiotic environmental stress. Plants are constantly exposed to various adverse environmental factors; thus they must adjust their growth accordingly. Plants recruit small secretory peptides to adapt to these detrimental environments. These small peptides, which are perceived by their corresponding receptors and/or co-receptors, act as local- or long-distance mobile signaling molecules to establish cell-to-cell regulatory networks, resulting in optimal cellular and physiological outputs. In this review, we highlight recent advances on the regulatory role of small peptides in plant abiotic responses and nutrients signaling.
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Affiliation(s)
- Heping Xie
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, 330045, China
| | - Wen Zhao
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, 330045, China
| | - Weilin Li
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, 330045, China
| | - Yuzhou Zhang
- College of Life Science, Northwest A&F University, Shaanxi, 712100, Yangling, China
| | - Jakub Hajný
- Laboratory of Growth Regulators, Institute of Experimental Botany and Palacký University, The Czech Academy of Sciences, Šlechtitelů 27, 78371, Olomouc, Czech Republic
| | - Huibin Han
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi, Nanchang, 330045, China.
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Salbitani G, Perrone A, Rosati L, Laezza C, Carfagna S. Sulfur Starvation in Extremophilic Microalga Galdieria sulphuraria: Can Glutathione Contribute to Stress Tolerance? PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11040481. [PMID: 35214814 PMCID: PMC8877276 DOI: 10.3390/plants11040481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/08/2022] [Accepted: 02/08/2022] [Indexed: 05/02/2023]
Abstract
This study reports the effects of sulfur (S) deprivation in cultures of Galdieria sulphuraria (Cyanidiophyceae). Galdieria is a unicellular red alga that usually grows, forming biomats on rocks, in S-rich environments. These are volcanic areas, where S is widespread since H2S is the prevalent form of gas. The glutathione content in Galdieria sulphuraria is much higher than that found in the green algae and even under conditions of S deprivation for 7 days, it remains high. On the other hand, the S deprivation causes a decrease in the total protein content and a significant increase in soluble protein fraction. This suggests that in the conditions of S starvation, the synthesis of enzymatic proteins, that metabolically support the cell in the condition of nutritional stress, could be up regulated. Among these enzymatic proteins, those involved in cell detoxification, due to the accumulation of ROS species, have been counted.
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Affiliation(s)
- Giovanna Salbitani
- Dipartimento di Biologia, Università di Napoli Federico II, Via Cinthia 21, 80126 Naples, Italy; (G.S.); (A.P.); (L.R.)
| | - Angela Perrone
- Dipartimento di Biologia, Università di Napoli Federico II, Via Cinthia 21, 80126 Naples, Italy; (G.S.); (A.P.); (L.R.)
| | - Luigi Rosati
- Dipartimento di Biologia, Università di Napoli Federico II, Via Cinthia 21, 80126 Naples, Italy; (G.S.); (A.P.); (L.R.)
| | - Carmen Laezza
- Dipartimento di Agraria, Università di Napoli Federico II, Portici, 80055 Naples, Italy;
| | - Simona Carfagna
- Dipartimento di Biologia, Università di Napoli Federico II, Via Cinthia 21, 80126 Naples, Italy; (G.S.); (A.P.); (L.R.)
- Correspondence: ; Tel.: +39-081-2538559
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Mondal S, Pramanik K, Panda D, Dutta D, Karmakar S, Bose B. Sulfur in Seeds: An Overview. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11030450. [PMID: 35161431 PMCID: PMC8838887 DOI: 10.3390/plants11030450] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/27/2022] [Accepted: 01/28/2022] [Indexed: 05/30/2023]
Abstract
Sulfur is a growth-limiting and secondary macronutrient as well as an indispensable component for several cellular components of crop plants. Over the years various scientists have conducted several experiments on sulfur metabolism based on different aspects of plants. Sulfur metabolism in seeds has immense importance in terms of the different sulfur-containing seed storage proteins, the significance of transporters in seeds, the role of sulfur during the time of seed germination, etc. The present review article is based on an overview of sulfur metabolism in seeds, in respect to source to sink relationships, S transporters present in the seeds, S-regulated seed storage proteins and the importance of sulfur at the time of seed germination. Sulfur is an essential component and a decidable factor for seed yield and the quality of seeds in terms of oil content in oilseeds, storage of qualitative proteins in legumes and has a significant role in carbohydrate metabolism in cereals. In conclusion, a few future perspectives towards a more comprehensive knowledge on S metabolism/mechanism during seed development, storage and germination have also been stated.
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Affiliation(s)
- Sananda Mondal
- Department of Crop Physiology, Institute of Agriculture, Visva-Bharati University, Sriniketan 731236, India;
| | - Kalipada Pramanik
- Department of Agronomy, Institute of Agriculture, Visva-Bharati University, Sriniketan 731236, India;
| | - Debasish Panda
- Department of Crop Physiology, Institute of Agriculture, Visva-Bharati University, Sriniketan 731236, India;
| | - Debjani Dutta
- Department of Plant Physiology, Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur 741252, India; (D.D.); (S.K.)
| | - Snehashis Karmakar
- Department of Plant Physiology, Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur 741252, India; (D.D.); (S.K.)
| | - Bandana Bose
- Department of Plant Physiology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi 221005, India;
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Zhao C, Ma G, Zhou L, Zhang S, Su L, Sun X, Borrás-Hidalgo O, Li K, Yue Q, Zhao L. Effects of nitrogen levels on gene expression and amino acid metabolism in Welsh onion. BMC Genomics 2021; 22:803. [PMID: 34743697 PMCID: PMC8573885 DOI: 10.1186/s12864-021-08130-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 10/28/2021] [Indexed: 01/15/2023] Open
Abstract
Background Welsh onion constitutes an important crop due to its benefits in traditional medicine. Nitrogen is an important nutrient for plant growth and yield; however, little is known about its influence on the mechanisms of Welsh onion regulation genes. In this study, we introduced a gene expression and amino acid analysis of Welsh onion treated with different concentrations of nitrogen (N0, N1, and N2 at 0 kg/ha, 130 kg/ha, and 260 kg/ha, respectively). Results Approximately 1,665 genes were differentially regulated with different concentrations of nitrogen. Gene ontology enrichment analysis revealed that the genes involved in metabolic processes, protein biosynthesis, and transportation of amino acids were highly represented. KEGG analysis indicated that the pathways were related to amino acid metabolism, cysteine, beta-alanine, arginine, proline, and glutathione. Differential gene expression in response to varying nitrogen concentrations resulted in different amino acid content. A close relationship between gene expression and the content of amino acids was observed. Conclusions This work examined the effects of nitrogen on gene expression and amino acid synthesis and provides important evidence on the efficient use of nitrogen in Welsh onion.
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Affiliation(s)
- Chen Zhao
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.,Shandong Provincial Key Laboratory of Food and Fermentation Engineering, Shandong Food Ferment Industry Research & Design Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.,School of Life Sciences, Anhui Agricultural University, Hefei, China
| | - Guanchu Ma
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Lin Zhou
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Song Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Le Su
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Xin Sun
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Orlando Borrás-Hidalgo
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Kunlun Li
- Jinan Hangchen Biotechnology Co., Ltd, Jinan, China
| | - Qiulin Yue
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.
| | - Lin Zhao
- State Key Laboratory of Biobased Material and Green Papermaking, Shandong Provincial Key Lab. of Microbial Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China.
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He R, Ding C, Luo Y, Guo G, Tang J, Shen H, Wang Q, Zhang X. Congener-Induced Sulfur-Related Metabolism Interference Therapy Promoted by Photothermal Sensitization for Combating Bacteria. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2104410. [PMID: 34486185 DOI: 10.1002/adma.202104410] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/09/2021] [Indexed: 06/13/2023]
Abstract
Metabolic homeostasis is vital for individual cells to keep alive. Stronger metabolic homeostasis allows bacteria to survive in vivo and do persistent harm to hosts, which is especially typical in implant-associated infection (IAI) with biofilm intervention. Herein, based on the competitive role of selenium (Se) and sulfur (S) in bacteria metabolism as congeners, a congener-induced sulfur-related metabolism interference therapy (SMIT) eradicating IAI is proposed by specific destruction of bacteria metabolic homeostasis. The original nanodrug manganese diselenide (MnSe2 ) is devised to generate permeable H2 Se in bacteria, triggered by the acidic microenvironment. H2 Se, the congener substitution of H2 S, as a bacteria-specific intermediate metabolite, can embed itself into the H2 S-utilization pathway and further alternatively disrupt the downstream sulfur-related metabolism state inside bacteria. A proteomic study indicates ribosome-related proteins are heavily downregulated and the basic metabolic pathways are mainly disordered after SMIT, revealing the destruction of bacteria metabolic homeostasis. The efficiency of SMIT is significantly promoted with the mild temperature sensitization provided by the photothermal treatment (PTT) of MnSe2 nanoparticles, verified by the proteomic study and the anti-IAI effect in vitro and in vivo. With the intelligent nanodrug, a PTT-promoted SMIT strategy against IAI is provided and a new insight into the interference design toward metabolic homeostasis with biochemical similarity is demonstrated.
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Affiliation(s)
- Renke He
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, P. R. China
| | - Cheng Ding
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, P. R. China
| | - Yao Luo
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, P. R. China
| | - Geyong Guo
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, P. R. China
| | - Jin Tang
- Department of Clinical Laboratory, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, P. R. China
| | - Hao Shen
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, P. R. China
| | - Qiaojie Wang
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, P. R. China
| | - Xianlong Zhang
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, P. R. China
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Jia X, Jia X, Li T, Wang Y, Sun X, Huo L, Wang P, Che R, Gong X, Ma F. MdATG5a induces drought tolerance by improving the antioxidant defenses and promoting starch degradation in apple. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 312:111052. [PMID: 34620447 DOI: 10.1016/j.plantsci.2021.111052] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/29/2021] [Accepted: 09/03/2021] [Indexed: 06/13/2023]
Abstract
Drought occurrence seriously affects the productivity and quality of apple crop worldwide. Autophagy, a conserved process for the degradation and recycling of unwanted cellular components, is considered to positively regulate the tolerance of various abiotic stresses in plants. In the current study, we isolated two ATG5 homologs genes, namely, MdATG5a and MdATG5b, from apple, demonstrating their responsiveness to drought and oxidative stresses. In addition to having the same cellular localization in the nucleus and cytoplasm, both MdATG5a and MdATG5b could interact with MdATG12. Transgenic apple plants overexpressing MdATG5a exhibited an improved drought tolerance, as indicated by less drought-related damage and higher photosynthetic capacities compared to wild-type (WT) plants under drought stress. The overexpression of MdATG5a improved antioxidant defenses in apple when exposed to drought via elevating both antioxidant enzyme activities and the levels of beneficial antioxidants. Furthermore, under drought stress, the overexpression of MdATG5a promoted the mobilization of starch to accumulate greater levels of soluble sugars, contributing to osmotic adjustments and supporting carbon skeletons for proline synthesis. Such changes in physiological responses may be associated with increased autophagic activities in the transgenic plants upon exposure to drought. Our results demonstrate that MdATG5a-mediated autophagy enhances drought tolerance of apple plants via improving antioxidant defenses and metabolic adjustments.
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Affiliation(s)
- Xin Jia
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xumei Jia
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Tiantian Li
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yu Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xun Sun
- Center of Pear Engineering Technology Research, State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China
| | - Liuqing Huo
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Ping Wang
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Runmin Che
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xiaoqing Gong
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China.
| | - Fengwang Ma
- State Key Laboratory of Crop Stress Biology for Arid Areas/Shaanxi Key Laboratory of Apple, College of Horticulture, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Guo Z, Zhao J, Wang M, Song S, Xia Z. Sulfur dioxide promotes seed germination by modulating reactive oxygen species production in maize. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2021; 312:111027. [PMID: 34620432 DOI: 10.1016/j.plantsci.2021.111027] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 08/01/2021] [Accepted: 08/18/2021] [Indexed: 06/13/2023]
Abstract
Sulfur dioxide (SO2) is generally considered to be toxic to cells, but recent studies have shown that SO2 has positive roles in stress defense responses in plants. However, whether SO2 functions as a signaling molecule in the developmental process, especially in seed germination, is yet to be studied. Here, we present data supporting the role of SO2 in seed germination and possible molecular mechanisms. SO2 treatment significantly promoted the seed germination and seed vigor in maize. The germinating seeds treated with SO2 treatment exhibited higher reactive oxygen species (ROS) levels and NADPH oxidase activities. Furthermore, the specific NADPH oxidase inhibitor diphenyleneiodinium (DPI) strongly inhibited ROS accumulations, and SO2-promoted seed germination and vigor. Meanwhile, α-Amylase activity and transcripts in germinating seeds treated with SO2 were significantly elevated. These data have demonstrated that NADPH oxidase-dependent ROS production contributes to the induction of α-Amylase activity, thereby promoting seed germination upon SO2 exposure. SO2 might function as a signaling molecule in plant growth and development, especially in seed germination. This study might provide a theoretical foundation for the potential exploitation of hydrated SO2 in seed germination control in crop management.
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Affiliation(s)
- Ziting Guo
- College of Life Science, Henan Agricultural University, Zhengzhou, 450002, PR China
| | - Jinjin Zhao
- College of Life Science, Henan Agricultural University, Zhengzhou, 450002, PR China
| | - Meiping Wang
- Library of Henan Agricultural University, Zhengzhou, 450002, PR China
| | - Song Song
- College of Life Science, Henan Agricultural University, Zhengzhou, 450002, PR China.
| | - Zongliang Xia
- College of Life Science, Henan Agricultural University, Zhengzhou, 450002, PR China; Synergetic Innovation Center of Henan Grain Crops and State Key Laboratory of Wheat & Maize Crop Science, Zhengzhou, 450002, PR China.
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The new synthesis of sulfuryl-bridged triazinane and its selective recognition to SO42−. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04585-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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50
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Zhou T, Yue CP, Zhang TY, Liu Y, Huang JY, Hua YP. Integrated ionomic and transcriptomic dissection reveals the core transporter genes responsive to varying cadmium abundances in allotetraploid rapeseed. BMC PLANT BIOLOGY 2021; 21:372. [PMID: 34388971 PMCID: PMC8362225 DOI: 10.1186/s12870-021-03136-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/25/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Oilseed rape (B. napus L.) has great potential for phytoremediation of cadmium (Cd)-polluted soils due to its large plant biomass production and strong metal accumulation. Soil properties and the presence of other soluble compounds or ions, cause a heterogeneous distribution of Cd. RESULTS The aim of our study was to reveal the differential responses of B. napus to different Cd abundances. Herein, we found that high Cd (50 μM) severely inhibited the growth of B. napus, which was not repressed by low Cd (0.50 μM) under hydroponic culture system. ICP-MS assays showed that the Cd2+ concentrations in both shoots and roots under 50 μM Cd were over 10 times higher than those under 0.50 μM Cd. Under low Cd, the concentrations of only shoot Ca2+/Mn2+ and root Mn2+ were obviously changed (both reduced); under high Cd, the concentrations of most cations assayed were significantly altered in both shoots and roots except root Ca2+ and Mg2+. High-throughput transcriptomic profiling revealed a total of 18,021 and 1408 differentially expressed genes under high Cd and low Cd conditions, respectively. The biological categories related to the biosynthesis of plant cell wall components and response to external stimulus were over-accumulated under low Cd, whereas the terms involving photosynthesis, nitrogen transport and response, and cellular metal ion homeostasis were highly enriched under high Cd. Differential expression of the transporters responsible for Cd uptake (NRAMPs), transport (IRTs and ZIPs), sequestration (HMAs, ABCs, and CAXs), and detoxification (MTPs, PCR, MTs, and PCSs), and some other essential nutrient transporters were investigated, and gene co-expression network analysis revealed the core members of these Cd transporters. Some Cd transporter genes, especially NRAMPs and IRTs, showed opposite responsive patterns between high Cd and low Cd conditions. CONCLUSIONS Our findings would enrich our understanding of the interaction between essential nutrients and Cd, and might also provide suitable gene resources and important implications for the genetic improvement of plant Cd accumulation and resistance through molecular engineering of these core genes under varying Cd abundances in soils.
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Affiliation(s)
- Ting Zhou
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001 China
| | - Cai-peng Yue
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001 China
| | - Tian-yu Zhang
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001 China
| | - Ying Liu
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001 China
| | - Jin-yong Huang
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001 China
| | - Ying-peng Hua
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou, 450001 China
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