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Decsi K, Ahmed M, Rizk R, Abdul-Hamid D, Kovács GP, Tóth Z. Emerging Trends in Non-Protein Amino Acids as Potential Priming Agents: Implications for Stress Management Strategies and Unveiling Their Regulatory Functions. Int J Mol Sci 2024; 25:6203. [PMID: 38892391 PMCID: PMC11172521 DOI: 10.3390/ijms25116203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 05/29/2024] [Accepted: 06/03/2024] [Indexed: 06/21/2024] Open
Abstract
Plants endure the repercussions of environmental stress. As the advancement of global climate change continues, it is increasingly crucial to protect against abiotic and biotic stress effects. Some naturally occurring plant compounds can be used effectively to protect the plants. By externally applying priming compounds, plants can be prompted to trigger their defensive mechanisms, resulting in improved immune system effectiveness. This review article examines the possibilities of utilizing exogenous alpha-, beta-, and gamma-aminobutyric acid (AABA, BABA, and GABA), which are non-protein amino acids (NPAAs) that are produced naturally in plants during instances of stress. The article additionally presents a concise overview of the studies' discoveries on this topic, assesses the particular fields in which they might be implemented, and proposes new avenues for future investigation.
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Affiliation(s)
- Kincső Decsi
- Institute of Agronomy, Georgikon Campus, Hungarian University of Agriculture and Life Sciences, 8360 Keszthely, Hungary; (R.R.); (Z.T.)
| | - Mostafa Ahmed
- Festetics Doctoral School, Institute of Agronomy, Georgikon Campus, Hungarian University of Agriculture and Life Sciences, 8360 Keszthely, Hungary;
- Department of Agricultural Biochemistry, Faculty of Agriculture, Cairo University, Giza 12613, Egypt
| | - Roquia Rizk
- Institute of Agronomy, Georgikon Campus, Hungarian University of Agriculture and Life Sciences, 8360 Keszthely, Hungary; (R.R.); (Z.T.)
- Department of Agricultural Biochemistry, Faculty of Agriculture, Cairo University, Giza 12613, Egypt
| | - Donia Abdul-Hamid
- Heavy Metals Department, Central Laboratory for The Analysis of Pesticides and Heavy Metals in Food (QCAP), Dokki, Cairo 12311, Egypt;
| | - Gergő Péter Kovács
- Institute of Agronomy, Szent István Campus, Hungarian University of Agriculture and Life Sciences, 2100 Gödöllő, Hungary;
| | - Zoltán Tóth
- Institute of Agronomy, Georgikon Campus, Hungarian University of Agriculture and Life Sciences, 8360 Keszthely, Hungary; (R.R.); (Z.T.)
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2
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Takahashi Y. ACL5 acquired strict thermospermine synthesis activity during the emergence of vascular plants. THE NEW PHYTOLOGIST 2024; 242:2669-2681. [PMID: 38587066 DOI: 10.1111/nph.19733] [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: 02/21/2024] [Accepted: 03/15/2024] [Indexed: 04/09/2024]
Abstract
Norspermine (Nspm), one of the uncommon polyamines (PAs), was detected in bryophytes and lycophytes; therefore, the aminopropyltransferases involved in the synthesis of Nspm were investigated. The enzymatic activity was evaluated by the transient high expression of various aminopropyltransferase genes in Nicotiana benthamiana, followed by quantification of PA distribution in the leaves using gas chromatography-mass spectrometry. The bryophyte orthologues of ACL5, which is known to synthesise thermospermine (Tspm) in flowering plants, were found to have strong Nspm synthesis activity. In addition, two ACL5 orthologous with different substrate specificities were conserved in Selaginella moellendorffii, one of which was involved in Tspm synthesis and the other in Nspm synthesis. Therefore, further detailed analysis using these two factors revealed that the β-hairpin structural region consisting of β-strands 1 and 2 at the N-terminus of ACL5 is involved in substrate specificity. Through functional analysis of a total of 40 ACL5 genes in 33 organisms, including algae, it was shown that ACL5 has changed its substrate specificity several times during plant evolution and diversification. Furthermore, it was strongly suggested that ACL5 acquired strict Tspm synthesis activity during the emergence of vascular plants, especially through major changes around the β-hairpin structural region.
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Affiliation(s)
- Yoshihiro Takahashi
- Department of Life Science, Faculty of Life Science, Kyushu Sangyo University, 2-3-1 Matsukadai Higashi-ku, Fukuoka, 813-8503, Japan
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3
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Wang M, Wang J, Wang Z, Teng Y. Nitrate Signaling and Its Role in Regulating Flowering Time in Arabidopsis thaliana. Int J Mol Sci 2024; 25:5310. [PMID: 38791350 PMCID: PMC11120727 DOI: 10.3390/ijms25105310] [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: 03/21/2024] [Revised: 05/06/2024] [Accepted: 05/11/2024] [Indexed: 05/26/2024] Open
Abstract
Plant growth is coordinated with the availability of nutrients that ensure its development. Nitrate is a major source of nitrogen (N), an essential macronutrient for plant growth. It also acts as a signaling molecule to modulate gene expression, metabolism, and a variety of physiological processes. Recently, it has become evident that the calcium signal appears to be part of the nitrate signaling pathway. New key players have been discovered and described in Arabidopsis thaliana (Arabidopsis). In addition, knowledge of the molecular mechanisms of how N signaling affects growth and development, such as the nitrate control of the flowering process, is increasing rapidly. Here, we review recent advances in the identification of new components involved in nitrate signal transduction, summarize newly identified mechanisms of nitrate signaling-modulated flowering time in Arabidopsis, and suggest emerging concepts and existing open questions that will hopefully be informative for further discoveries.
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Affiliation(s)
- Mengyun Wang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China; (M.W.)
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jia Wang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China; (M.W.)
| | - Zeneng Wang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China; (M.W.)
- Kharkiv Institute, Hangzhou Normal University, Hangzhou 311121, China
| | - Yibo Teng
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 311121, China; (M.W.)
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4
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Rahman A, Kulik E, Majláth I, Khan I, Janda T, Pál M. Different reactions of wheat, maize, and rice plants to putrescine treatment. PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS : AN INTERNATIONAL JOURNAL OF FUNCTIONAL PLANT BIOLOGY 2024; 30:807-822. [PMID: 38846465 PMCID: PMC11150351 DOI: 10.1007/s12298-024-01462-5] [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: 10/27/2023] [Revised: 03/25/2024] [Accepted: 05/15/2024] [Indexed: 06/09/2024]
Abstract
Polyamines play an important role in growth and differentiation by regulating numerous physiological and biochemical processes at the cellular level. In addition to their roborative effect, their essential role in plant stress responses has been also reported. However, the positive effect may depend on the fine-tuning of polyamine metabolism, which influences the production of free radicals and/or signalling molecules. In the present study, 0.3 mM hydroponic putrescine treatment was tested in wheat, maize, and rice in order to reveal differences in their answers and highlight the relation of these with polyamine metabolism. In the case of wheat, the chlorophyll content and the actual quantum yield increased after putrescine treatment, and no remarkable changes were detected in the stress markers, polyamine contents, or polyamine metabolism-related gene expression. Although, in maize, the actual quantum yield decreased, and the root hydrogen peroxide content increased, no other negative effect was observed after putrescine treatment due to activation of polyamine oxidases at enzyme and gene expression levels. The results also demonstrated that after putrescine treatment, rice with a higher initial polyamine content, the balance of polyamine metabolism was disrupted and a significant amount of putrescine was accumulated, accompanied by a detrimental decrease in the level of higher polyamines. These initial differences and the putrescine-induced shift in polyamine metabolism together with the terminal catabolism or back-conversion-induced release of a substantial quantity of hydrogen peroxide could contribute to oxidative stress observed in rice.
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Affiliation(s)
- Altafur Rahman
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, Hungarian Research Network, Brunszvik 2, Martonvásár, 2462 Hungary
- Department of Plant Physiology and Plant Ecology, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Budapest, 1118 Hungary
| | | | - Imre Majláth
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, Hungarian Research Network, Brunszvik 2, Martonvásár, 2462 Hungary
| | - Imran Khan
- Department of Plant Physiology and Plant Ecology, Institute of Agronomy, Hungarian University of Agriculture and Life Sciences, Budapest, 1118 Hungary
| | - Tibor Janda
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, Hungarian Research Network, Brunszvik 2, Martonvásár, 2462 Hungary
| | - Magda Pál
- Department of Plant Physiology and Metabolomics, Agricultural Institute, Centre for Agricultural Research, Hungarian Research Network, Brunszvik 2, Martonvásár, 2462 Hungary
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5
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Mathieu D, Bryson AE, Hamberger B, Singan V, Keymanesh K, Wang M, Barry K, Mondo S, Pangilinan J, Koriabine M, Grigoriev IV, Bonito G, Hamberger B. Multilevel analysis between Physcomitrium patens and Mortierellaceae endophytes explores potential long-standing interaction among land plants and fungi. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2024; 118:304-323. [PMID: 38265362 DOI: 10.1111/tpj.16605] [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: 08/04/2023] [Revised: 11/16/2023] [Accepted: 12/13/2023] [Indexed: 01/25/2024]
Abstract
The model moss species Physcomitrium patens has long been used for studying divergence of land plants spanning from bryophytes to angiosperms. In addition to its phylogenetic relationships, the limited number of differential tissues, and comparable morphology to the earliest embryophytes provide a system to represent basic plant architecture. Based on plant-fungal interactions today, it is hypothesized these kingdoms have a long-standing relationship, predating plant terrestrialization. Mortierellaceae have origins diverging from other land fungi paralleling bryophyte divergence, are related to arbuscular mycorrhizal fungi but are free-living, observed to interact with plants, and can be found in moss microbiomes globally. Due to their parallel origins, we assess here how two Mortierellaceae species, Linnemannia elongata and Benniella erionia, interact with P. patens in coculture. We also assess how Mollicute-related or Burkholderia-related endobacterial symbionts (MRE or BRE) of these fungi impact plant response. Coculture interactions are investigated through high-throughput phenomics, microscopy, RNA-sequencing, differential expression profiling, gene ontology enrichment, and comparisons among 99 other P. patens transcriptomic studies. Here we present new high-throughput approaches for measuring P. patens growth, identify novel expression of over 800 genes that are not expressed on traditional agar media, identify subtle interactions between P. patens and Mortierellaceae, and observe changes to plant-fungal interactions dependent on whether MRE or BRE are present. Our study provides insights into how plants and fungal partners may have interacted based on their communications observed today as well as identifying L. elongata and B. erionia as modern fungal endophytes with P. patens.
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Affiliation(s)
- Davis Mathieu
- Genetics and Genome Science Graduate Program, Michigan State University, East Lansing, Michigan, USA
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan, USA
| | - Abigail E Bryson
- Genetics and Genome Science Graduate Program, Michigan State University, East Lansing, Michigan, USA
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan, USA
| | - Britta Hamberger
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan, USA
| | - Vasanth Singan
- U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - Keykhosrow Keymanesh
- U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - Mei Wang
- U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - Kerrie Barry
- U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - Stephen Mondo
- U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
- Department of Agricultural Biology, Colorado State University, Fort Collins, Colorado, 80523, USA
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - Jasmyn Pangilinan
- U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - Maxim Koriabine
- U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
| | - Igor V Grigoriev
- U.S. Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California, 94720, USA
- Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, California, 94720, USA
| | - Gregory Bonito
- Genetics and Genome Science Graduate Program, Michigan State University, East Lansing, Michigan, USA
- Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, Michigan, USA
| | - Björn Hamberger
- Genetics and Genome Science Graduate Program, Michigan State University, East Lansing, Michigan, USA
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan, USA
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6
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Mai H, Qin T, Wei H, Yu Z, Pang G, Liang Z, Ni J, Yang H, Tang H, Xiao L, Liu H, Liu T. Overexpression of OsACL5 triggers environmentally-dependent leaf rolling and reduces grain size in rice. PLANT BIOTECHNOLOGY JOURNAL 2024; 22:833-847. [PMID: 37965680 PMCID: PMC10955489 DOI: 10.1111/pbi.14227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 10/21/2023] [Accepted: 10/26/2023] [Indexed: 11/16/2023]
Abstract
Major polyamines include putrescine, spermidine, spermine and thermospermine, which play vital roles in growth and adaptation against environmental changes in plants. Thermospermine (T-Spm) is synthetised by ACL5. The function of ACL5 in rice is still unknown. In this study, we used a reverse genetic strategy to investigate the biological function of OsACL5. We generated several knockout mutants by pYLCRISPR/Cas9 system and overexpressing (OE) lines of OsACL5. Interestingly, the OE plants exhibited environmentally-dependent leaf rolling, smaller grains, lighter 1000-grain weight and reduction in yield per plot. The area of metaxylem vessels of roots and leaves of OE plants were significantly smaller than those of WT, which possibly caused reduction in leaf water potential, resulting in leaf rolling with rise in the environmental temperature and light intensity and decrease in humidity. Additionally, the T-Spm contents were markedly increased by over ninefold whereas the ethylene evolution was reduced in OE plants, suggesting that T-Spm signalling pathway interacts with ethylene pathway to regulate multiple agronomic characters. Moreover, the osacl5 exhibited an increase in grain length, 1000-grain weight, and yield per plot. OsACL5 may affect grain size via mediating the expression of OsDEP1, OsGS3 and OsGW2. Furthermore, haplotypes analysis indicated that OsACL5 plays a conserved function on regulating T-Spm levels during the domestication of rice. Our data demonstrated that identification of OsACL5 provides a theoretical basis for understanding the physiological mechanism of T-Spm which may play roles in triggering environmentally dependent leaf rolling; OsACL5 will be an important gene resource for molecular breeding for higher yield.
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Affiliation(s)
- Huafu Mai
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Tian Qin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Huan Wei
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Zhen Yu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Gang Pang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Zhiman Liang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Jiansheng Ni
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Haishan Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Haiying Tang
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Lisi Xiao
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
| | - Huili Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
| | - Taibo Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro‐bioresourcesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Provincial Key Laboratory of Protein Function and Regulation in Agricultural Organisms, College of Life SciencesSouth China Agricultural UniversityGuangzhouChina
- Guangdong Laboratory for Lingnan Modern AgricultureGuangzhouChina
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Ziemmer JK, Dos Reis de Oliveira T, Santa-Catarina C, do Nascimento Vieira L, Goldenberg R, Pacheco de Freitas Fraga H. Plant regeneration capacity in seeds of three species of Miconia (Melastomataceae) may be related to endogenous polyamine profiles. PROTOPLASMA 2024:10.1007/s00709-024-01945-y. [PMID: 38530427 DOI: 10.1007/s00709-024-01945-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 03/16/2024] [Indexed: 03/28/2024]
Abstract
In plant tissue culture, differences in endogenous levels of species-specific plant growth regulators (PGRs) may explain differences in regenerative capacity. In the case of polyamines (PAs), their dynamics and distribution may vary between species, genotypes, tissues, and developmental pathways, such as sexual reproduction and apomixis. In this study, for the first time, we aimed to assess the impact of varying endogenous PAs levels in seeds from distinct reproductive modes in Miconia spp. (Melastomataceae), on their in vitro regenerative capacity. We quantified the free PAs endogenous content in seeds of Miconia australis (obligate apomictic), Miconia hyemalis (facultative apomictic), and Miconia sellowiana (sexual) and evaluated their in vitro regenerative potential in WPM culture medium supplemented with a combination of 2,4-dichlorophenoxyacetic acid (2,4-D) and 6-benzylaminopurine (BAP). The morphogenic responses were characterized by light microscopy and scanning electron microscopy and discussed regarding the endogenous PAs profiles found. Seeds of M. sellowiana presented approximately eight times more putrescine than M. australis, which was associated with a higher percentage of regenerated calluses (76.67%) than M. australis (5.56%). On the other hand, spermine levels were significantly higher in M. australis. Spermine is indicated as an inhibitor of auxin-carrying gene expression, which may have contributed to its lower regenerative capacity under the tested conditions. These findings provide important insights into in vitro morphogenesis mechanisms in Miconia and highlight the significance of endogenous PA levels in plant regeneration. These discoveries can potentially optimize future regeneration protocols in Miconia, a plant group still underexplored in this area.
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Affiliation(s)
- Juliana Klostermann Ziemmer
- Programa de Pós-Graduação em Biologia Vegetal, Campinas, Universidade Estadual de Campinas, São Paulo, 13083-862, Brazil.
| | - Tadeu Dos Reis de Oliveira
- Laboratório de Biologia Celular e Tecidual, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| | - Claudete Santa-Catarina
- Laboratório de Biologia Celular e Tecidual, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, Rio de Janeiro, 28013-602, Brazil
| | | | - Renato Goldenberg
- Departamento de Botânica, Universidade Federal do Paraná, Curitiba, Paraná, 81531-970, Brazil
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8
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Zhang XJ, Wu C, Liu BY, Liang HL, Wang ML, Li H. Transcriptomic and metabolomic profiling reveals the drought tolerance mechanism of Illicium difengpi (Schisandraceae). FRONTIERS IN PLANT SCIENCE 2024; 14:1284135. [PMID: 38259923 PMCID: PMC10800416 DOI: 10.3389/fpls.2023.1284135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 12/15/2023] [Indexed: 01/24/2024]
Abstract
Illicium difengpi (Schisandraceae), an endangered medicinal plant endemic to karst areas, is highly tolerant to drought and thus can be used as an ideal material for investigating adaptive mechanism to drought stress. The understanding of the drought tolerance of I. difengpi, especially at the molecular level, is lacking. In the present study, we aimed to clarify the molecular mechanism underlying drought tolerance in endemic I. difengpi plant in karst regions. The response characteristics of transcripts and changes in metabolite abundance of I. difengpi subjected to drought and rehydration were analyzed, the genes and key metabolites responsive to drought and rehydration were screened, and some important biosynthetic and secondary metabolic pathways were identified. A total of 231,784 genes and 632 metabolites were obtained from transcriptome and metabolome analyses, and most of the physiological metabolism in drought-treated I. difengpi plants recovered after rehydration. There were more upregulated genes than downregulated genes under drought and rehydration treatments, and rehydration treatment induced stable expression of 65.25% of genes, indicating that rehydration alleviated drought stress to some extent. Drought and rehydration treatment generated flavonoids, phenolic acids, flavonols, amino acids and their derivatives, as well as metabolites such as saccharides and alcohols in the leaves of I. difengpi plants, which alleviated the injury caused by excessive reactive oxygen species. The integration of transcriptome and metabolome analyses showed that, under drought stress, I. difengpi increased glutathione, flavonoids, polyamines, soluble sugars and amino acids, contributing to cell osmotic potential and antioxidant activity. The results show that the high drought tolerance and recovery after rehydration are the reasons for the normal growth of I. difengpi in karst mountain areas.
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Affiliation(s)
| | - Chao Wu
- *Correspondence: Chao Wu, ; Hui-Ling Liang,
| | | | - Hui-Ling Liang
- Guangxi Key Laboratory of Plant Functional Phytochemicals and Sustainable Utilization, Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, Guilin, China
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9
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Kawade K, Tabeta H, Ferjani A, Hirai MY. The Roles of Functional Amino Acids in Plant Growth and Development. PLANT & CELL PHYSIOLOGY 2023; 64:1482-1493. [PMID: 37489637 DOI: 10.1093/pcp/pcad071] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 06/04/2023] [Accepted: 07/03/2023] [Indexed: 07/26/2023]
Abstract
Plants incorporate acquired carbon and nitrogen into amino acid metabolism, whereby the building blocks of proteins and the precursors of various metabolites are produced. This fundamental demand requires tight amino acid metabolism to sustain physiological homeostasis. There is increasing evidence that amino acid metabolism undergoes plastic alteration to orchestrate specific growth and developmental events. Consequently, there has been a gradual exploration of the interface at which amino acid metabolism and plant morphogenesis are mutually affected. This research progress offers an opportunity to explore amino acid metabolism, with the goal to understand how it can be modulated to serve special cellular needs and regulate specific growth and developmental pathways. Continuous improvements in the sensitivity and coverage of metabolomics technology, along with the development of chemoinformatics, have allowed the investigation of these research questions. In this review, we summarize the roles of threonine, serine, arginine and γ-aminobutyric acid as representative examples of amino acids relevant to specific developmental processes in plants ('functional amino acids'). Our objective is to expand perspectives regarding amino acid metabolism beyond the conventional view that it is merely life-supporting machinery.
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Affiliation(s)
- Kensuke Kawade
- Division of Life Science, Graduate School of Science and Engineering, Saitama University, Shimo-Okubo 255, Sakura-ku, Saitama, 338-8570 Japan
- Metabolic Systems Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro, Tsurumi, Yokohama, Kanagawa, 230-0045 Japan
| | | | - Ali Ferjani
- Department of Biology, Tokyo Gakugei University, 4-1-1 Nukuikita-machi, Koganei, Tokyo, 184-8501 Japan
- Metabolic Systems Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro, Tsurumi, Yokohama, Kanagawa, 230-0045 Japan
- Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902 Japan
| | - Masami Yokota Hirai
- Metabolic Systems Research Team, RIKEN Center for Sustainable Resource Science, 1-7-22, Suehiro, Tsurumi, Yokohama, Kanagawa, 230-0045 Japan
- Department of Applied Biosciences, Graduate School of Bioagricultural Sciences, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601 Japan
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10
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Jiang ZM, Mou T, Sun Y, Su J, Yu LY, Zhang YQ. Environmental distribution and genomic characteristics of Solirubrobacter, with proposal of two novel species. Front Microbiol 2023; 14:1267771. [PMID: 38107860 PMCID: PMC10722151 DOI: 10.3389/fmicb.2023.1267771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 11/03/2023] [Indexed: 12/19/2023] Open
Abstract
Solirubrobacter spp. were abundant in soil samples collected from deserts and other areas with high UV radiation. In addition, a novel Solirubrobacter species, with strain CPCC 204708T as the type, was isolated and identified from sandy soil sample collected from the Badain Jaran Desert of the Inner Mongolia autonomous region. Strain CPCC 204708T was Gram-stain positive, rod-shaped, non-motile, non-spore-forming, and grew optimally at 28-30°C, pH 7.0-8.0, and in the absence of NaCl. Analysis of the 16S rRNA gene sequence of strain CPCC 204708T showed its identity within the genus Solirubrobacter, with highest nucleotide similarities (97.4-98.2%) to other named Solirubrobacter species. Phylogenetic and genomic analyses indicated that the strain was most closely related to Solirubrobacter phytolaccae KCTC 29190T, while represented a distinct species, as confirmed from physiological properties and comparison. The name Solirubrobacter deserti sp. nov. was consequently proposed, with CPCC 204708T (= DSM 105495T = NBRC 112942T) as the type strain. Genomic analyses of the Solirubrobacter spp. also suggested that Solirubrobacter sp. URHD0082 represents a novel species, for which the name Candidatus "Solirubrobacter pratensis" sp. nov. was proposed. Genomic analysis of CPCC 204708T revealed the presence of genes related to its adaptation to the harsh environments of deserts and may also harbor genes functional in plant-microbe interactions. Pan-genomic analysis of available Solirubrobacter spp. confirmed the presence of many of the above genes as core components of Solirubrobacter genomes and suggests they may possess beneficial potential for their associate plant and may be important resources for bioactive compounds.
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Affiliation(s)
- Zhu-Ming Jiang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Dao-di Herb, Beijing, China
| | - Tong Mou
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Dao-di Herb, Beijing, China
| | - Ye Sun
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jing Su
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Li-Yan Yu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yu-Qin Zhang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- State Key Laboratory of Dao-di Herb, Beijing, China
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11
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Baiyin B, Xiang Y, Hu J, Tagawa K, Son JE, Yamada S, Yang Q. Nutrient Solution Flowing Environment Affects Metabolite Synthesis Inducing Root Thigmomorphogenesis of Lettuce ( Lactuca sativa L.) in Hydroponics. Int J Mol Sci 2023; 24:16616. [PMID: 38068940 PMCID: PMC10706437 DOI: 10.3390/ijms242316616] [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: 10/20/2023] [Revised: 11/14/2023] [Accepted: 11/17/2023] [Indexed: 12/18/2023] Open
Abstract
The principal difference between hydroponics and other substrate cultivation methods is the flowing liquid hydroponic cultivation substrate. Our previous studies have revealed that a suitable flowing environment of nutrient solution promoted root development and plant growth, while an excess flow environment was unfavorable for plants. To explain the thigmomorphogenetic response of excess flow-induced metabolic changes, six groups of lettuce (Lactuca sativa L.), including two flow conditions and three time periods, were grown. Compared with the plants without flow, the plants with flow showed decreased root fresh weight, total root length, root surface area, and root volume but increased average root diameter and root density. The roots with flow had more upregulated metabolites than those without flow, suggesting that the flow may trigger metabolic synthesis and activity. Seventy-nine common differential metabolites among six groups were screened, and enrichment analysis showed the most significant enrichment in the arginine biosynthesis pathway. Arginine was present in all the groups and exhibited greater concentrations in roots with flow than without flow. It can be speculated from the results that a high-flowing environment of nutrient solution promotes arginine synthesis, resulting in changes in root morphology. The findings provide insights on root thigmomorphogenesis affected by its growing conditions and help understand how plants respond to environmental mechanical forces.
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Affiliation(s)
- Bateer Baiyin
- Research Center for Smart Horticulture Engineering, Chengdu National Agricultural Science & Technology Center, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China; (B.B.); (Y.X.); (J.H.)
| | - Yue Xiang
- Research Center for Smart Horticulture Engineering, Chengdu National Agricultural Science & Technology Center, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China; (B.B.); (Y.X.); (J.H.)
| | - Jiangtao Hu
- Research Center for Smart Horticulture Engineering, Chengdu National Agricultural Science & Technology Center, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China; (B.B.); (Y.X.); (J.H.)
| | - Kotaro Tagawa
- Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan; (K.T.); (S.Y.)
| | - Jung Eek Son
- Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea;
| | - Satoshi Yamada
- Faculty of Agriculture, Tottori University, Tottori 680-8553, Japan; (K.T.); (S.Y.)
| | - Qichang Yang
- Research Center for Smart Horticulture Engineering, Chengdu National Agricultural Science & Technology Center, Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences, Chengdu 610213, China; (B.B.); (Y.X.); (J.H.)
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12
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Zeynali R, Najafian S, Hosseinifarahi M. Exogenous Putrescine Changes Biochemical (Antioxidant Activity, Polyphenol, Flavonoid, and Total Phenol Compounds) and Essential Oil Constituents of Salvia officinalis L. Chem Biodivers 2023; 20:e202301043. [PMID: 37751472 DOI: 10.1002/cbdv.202301043] [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: 07/16/2023] [Revised: 09/21/2023] [Accepted: 09/24/2023] [Indexed: 09/28/2023]
Abstract
Polyamines are small polycationic molecules containing amines that are present in almost all cells of living organisms and act in a wide range of physiological processes, growth, and development, biological and protection of cells against free radicals. This research is based on principal component analysis (PCA) and calculation of selection criteria (SC) to investigate the effect of foliar spraying of polyamine putrescine on essential oil yield, essential oil compounds, antioxidant activity, and biochemical compounds (polyphenol, flavonoid, and total phenol compounds) of Salvia officinalis. The treatments used included four levels of putrescine, Put (Control: 0, Put1: 500, Put2: 1000, and Put3: 1500 mg L-1 ) with five replications. Based on our results, four factors had eigenvalues≥1 and showed a cumulative variance percentage of 92.57 % by applying different concentrations of putrescine. According to the results of this research, putrescine had significant effects on the amount of total phenolic compounds, flavonoids, and antioxidant activity. The best attention to improving the essential oil yield of sage was 1000 mg L-1 . The crucial essential oil compounds of different Put treated sage were: cis-thujone (35.34 %), camphor (15.60 %), trans-thujone (9.90 %), 1,8-cineole (9.46 %), α-humulene (3.85 %), viridiflorol (3.62 %), camphene (3.58 %), α-pinene (3.50 %), β-pinene (2.78 %), and limonene (1.23 %). The results showed that the amount of total phenol, the phenolic composition of catechin, and the antioxidant activity of sage plant extract increased significantly when putrescine was used at 1000 mg/liter. Results can use the current research to optimize the production management of medicinal plants and improve the quality of their products. In addition, the advantage of using putrescine is that it increases antioxidants and reduces oxidative damage, and can replace medicinal plants as suitable natural preservatives, thus improving food quality and safety.
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Affiliation(s)
- Reza Zeynali
- Department of Horticultural Science, Yasuj Branch, Islamic Azad University, Yasuj, Iran
| | | | - Mehdi Hosseinifarahi
- Department of Horticultural Science, Yasuj Branch, Islamic Azad University, Yasuj, Iran
- Sustainable Agriculture and Food Security Research Group, Yasuj Branch, Islamic Azad University, Yasuj, Iran
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13
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Nishii Y, Koyama D, Fukushima H, Takahashi T. Suppression of the dwarf phenotype of an Arabidopsis mutant defective in thermospermine biosynthesis by a synonymous codon change in the SAC51 uORF. Mol Genet Genomics 2023; 298:1505-1514. [PMID: 37845372 DOI: 10.1007/s00438-023-02076-4] [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: 03/22/2023] [Accepted: 10/01/2023] [Indexed: 10/18/2023]
Abstract
Thermospermine plays a critical role in negatively regulating xylem development in angiosperms. A mutant of Arabidopsis thaliana that is defective in thermospermine biosynthesis, acaulis5 (acl5), exhibits a dwarf phenotype with excessive xylem formation. Mechanistically thermospermine acts in attenuating the inhibitory effect of an evolutionarily conserved upstream open reading frame (uORF) on the main ORF of SAC51, which encodes a basic helix-loop-helix protein involved in xylem repression. Here, we revealed that a semidominant suppressor of acl5, sac503, which partially restores the acl5 phenotype, has a point mutation in the conserved uORF of SAC51 with no amino acid substitution in the deduced peptide sequence. In transgenic lines carrying the β-glucuronidase (GUS) reporter gene fused with the SAC51 5' region containing the uORF, the mutant construct was shown to confer higher GUS activity than does the wild-type SAC51 construct. We confirmed that sac503 mRNA was more stable than SAC51 mRNA in acl5. These results suggest that the single-base change in sac503 positively affects the translation of its main ORF instead of thermospermine. We further found that the uORF-GUS fusion protein could be synthesized in planta from the wild-type and sac503 translational fusion constructs.
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Affiliation(s)
- Yuichi Nishii
- Graduate School of Natural Science and Technology, Okayama University, Okayama, 700 8530, Japan
| | - Daiki Koyama
- Graduate School of Natural Science and Technology, Okayama University, Okayama, 700 8530, Japan
| | - Hiroko Fukushima
- Graduate School of Natural Science and Technology, Okayama University, Okayama, 700 8530, Japan
| | - Taku Takahashi
- Graduate School of Natural Science and Technology, Okayama University, Okayama, 700 8530, Japan.
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14
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Ren W, Chen L. Integrated Transcriptome and Metabolome Analysis of Salinity Tolerance in Response to Foliar Application of β-Alanine in Cotton Seedlings. Genes (Basel) 2023; 14:1825. [PMID: 37761965 PMCID: PMC10531431 DOI: 10.3390/genes14091825] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/17/2023] [Accepted: 09/18/2023] [Indexed: 09/29/2023] Open
Abstract
Salinity is amongst the serious abiotic stresses cotton plants face, impairing crop productivity. Foliar application of β-alanine is employed to improve salt tolerance in various crops, but the exact mechanism behind it is not yet completely understood. An advanced line SDS-01 of upland cotton Gossypium hirsutum L. was utilized to determine its salt tolerance. Foliar treatment with the β-alanine solution at different concentrations was applied to the seedlings stressed with 0.8% NaCl solution. On the 10th day of treatment, samples were collected for transcriptome and metabolome analyses. β-alanine solution at a concentration of 25 mM was found to be the best treatment with the lowest mortality rate and highest plant height and above-ground biomass under salt stress. Both differentially expressed genes and accumulated metabolites analyses showed improved tolerance of treated seedlings. The photosynthetic efficiency improved in seedlings due to higher expression of photosynthesis-antenna proteins and activation of hormones signal transduction after treatment with β-alanine. Highly expressed transcription factors observed were MYB, HD-ZIP, ARF, MYC, EREB, DELLA, ABF, H2A, H4, WRKY, and HK involved in the positive regulation of salinity tolerance in β-alanine-treated seedlings. Furthermore, compared to the control, the high accumulation of polyamines, coumarins, organic acids, and phenolic compounds in the β-alanine-treated seedlings helped regulate cellular antioxidant (glutathione and L-Cysteine) production. Hence, to improve salt tolerance and productivity in cotton, foliar application of β-alanine at the seedling stage can be a valuable management practice.
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Affiliation(s)
- Wei Ren
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
- Fukang Station of Desert Ecology, Chinese Academy of Sciences, Fukang 831505, China
| | - Li Chen
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
- Fukang Station of Desert Ecology, Chinese Academy of Sciences, Fukang 831505, China
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Atta K, Mondal S, Gorai S, Singh AP, Kumari A, Ghosh T, Roy A, Hembram S, Gaikwad DJ, Mondal S, Bhattacharya S, Jha UC, Jespersen D. Impacts of salinity stress on crop plants: improving salt tolerance through genetic and molecular dissection. FRONTIERS IN PLANT SCIENCE 2023; 14:1241736. [PMID: 37780527 PMCID: PMC10540871 DOI: 10.3389/fpls.2023.1241736] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 08/14/2023] [Indexed: 10/03/2023]
Abstract
Improper use of water resources in irrigation that contain a significant amount of salts, faulty agronomic practices such as improper fertilization, climate change etc. are gradually increasing soil salinity of arable lands across the globe. It is one of the major abiotic factors that inhibits overall plant growth through ionic imbalance, osmotic stress, oxidative stress, and reduced nutrient uptake. Plants have evolved with several adaptation strategies at morphological and molecular levels to withstand salinity stress. Among various approaches, harnessing the crop genetic variability across different genepools and developing salinity tolerant crop plants offer the most sustainable way of salt stress mitigation. Some important major genetic determinants controlling salinity tolerance have been uncovered using classical genetic approaches. However, its complex inheritance pattern makes breeding for salinity tolerance challenging. Subsequently, advances in sequence based breeding approaches and functional genomics have greatly assisted in underpinning novel genetic variants controlling salinity tolerance in plants at the whole genome level. This current review aims to shed light on physiological, biochemical, and molecular responses under salt stress, defense mechanisms of plants, underlying genetics of salt tolerance through bi-parental QTL mapping and Genome Wide Association Studies, and implication of Genomic Selection to breed salt tolerant lines.
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Affiliation(s)
- Kousik Atta
- ICAR-Indian Agricultural Research Institute, New Delhi, India
- Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India
| | - Saptarshi Mondal
- Department of Crop and Soil Sciences, University of Georgia, Griffin, GA, United States
| | - Shouvik Gorai
- Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India
| | - Aditya Pratap Singh
- Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India
- School of Agriculture, GIET University, Gunupur, Rayagada, Odisha, India
| | - Amrita Kumari
- Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India
| | - Tuhina Ghosh
- ICAR-Indian Agricultural Research Institute, New Delhi, India
| | - Arkaprava Roy
- ICAR-Indian Agricultural Research Institute, New Delhi, India
- ICAR- National Institute of Biotic Stress Management, Raipur, India
| | - Suryakant Hembram
- WBAS (Research), Government of West Bengal, Field Crop Research Station, Burdwan, India
| | | | - Subhasis Mondal
- Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, West Bengal, India
| | | | | | - David Jespersen
- Department of Crop and Soil Sciences, University of Georgia, Griffin, GA, United States
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16
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Qiu CW, Ma Y, Wang QQ, Fu MM, Li C, Wang Y, Wu F. Barley HOMOCYSTEINE METHYLTRANSFERASE 2 confers drought tolerance by improving polyamine metabolism. PLANT PHYSIOLOGY 2023; 193:389-409. [PMID: 37300541 DOI: 10.1093/plphys/kiad333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/25/2023] [Accepted: 05/18/2023] [Indexed: 06/12/2023]
Abstract
Drought stress poses a serious threat to crop production worldwide. Genes encoding homocysteine methyltransferase (HMT) have been identified in some plant species in response to abiotic stress, but its molecular mechanism in plant drought tolerance remains unclear. Here, transcriptional profiling, evolutionary bioinformatics, and population genetics were conducted to obtain insight into the involvement of HvHMT2 from Tibetan wild barley (Hordeum vulgare ssp. agriocrithon) in drought tolerance. We then performed genetic transformation coupled with physio-biochemical dissection and comparative multiomics approaches to determine the function of this protein and the underlying mechanism of HvHMT2-mediated drought tolerance. HvHMT2 expression was strongly induced by drought stress in tolerant genotypes in a natural Tibetan wild barley population and contributed to drought tolerance through S-adenosylmethionine (SAM) metabolism. Overexpression of HvHMT2 promoted HMT synthesis and efficiency of the SAM cycle, leading to enhanced drought tolerance in barley through increased endogenous spermine and less oxidative damage and growth inhibition, thus improving water status and final yield. Disruption of HvHMT2 expression led to hypersensitivity under drought treatment. Application of exogenous spermine reduced accumulation of reactive oxygen species (ROS), which was increased by exogenous mitoguazone (inhibitor of spermine biosynthesis), consistent with the association of HvHMT2-mediated spermine metabolism and ROS scavenging in drought adaptation. Our findings reveal the positive role and key molecular mechanism of HvHMT2 in drought tolerance in plants, providing a valuable gene not only for breeding drought-tolerant barley cultivars but also for facilitating breeding schemes in other crops in a changing global climate.
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Affiliation(s)
- Cheng-Wei Qiu
- Department of Agronomy, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, P.R. China
- Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou 225009, P.R. China
| | - Yue Ma
- Department of Agronomy, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, P.R. China
| | - Qing-Qing Wang
- Department of Agronomy, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, P.R. China
- Jiangsu Co-Innovation Center for Modern Production Technology of Grain Crops, Yangzhou University, Yangzhou 225009, P.R. China
| | - Man-Man Fu
- Department of Agronomy, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, P.R. China
| | - Chengdao Li
- Western Barley Genetics Alliance, State Agricultural Biotechnology Centre, College of Science, Health, Engineering and Education, Murdoch University, Murdoch, WA 6150, Australia
| | - Yizhou Wang
- Department of Agronomy, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, P.R. China
| | - Feibo Wu
- Department of Agronomy, College of Agriculture and Biotechnology, Zijingang Campus, Zhejiang University, Hangzhou 310058, P.R. China
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17
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Dunn MF, Becerra-Rivera VA. The Biosynthesis and Functions of Polyamines in the Interaction of Plant Growth-Promoting Rhizobacteria with Plants. PLANTS (BASEL, SWITZERLAND) 2023; 12:2671. [PMID: 37514285 PMCID: PMC10385936 DOI: 10.3390/plants12142671] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/12/2023] [Accepted: 07/15/2023] [Indexed: 07/30/2023]
Abstract
Plant growth-promoting rhizobacteria (PGPR) are members of the plant rhizomicrobiome that enhance plant growth and stress resistance by increasing nutrient availability to the plant, producing phytohormones or other secondary metabolites, stimulating plant defense responses against abiotic stresses and pathogens, or fixing nitrogen. The use of PGPR to increase crop yield with minimal environmental impact is a sustainable and readily applicable replacement for a portion of chemical fertilizer and pesticides required for the growth of high-yielding varieties. Increased plant health and productivity have long been gained by applying PGPR as commercial inoculants to crops, although with uneven results. The establishment of plant-PGPR relationships requires the exchange of chemical signals and nutrients between the partners, and polyamines (PAs) are an important class of compounds that act as physiological effectors and signal molecules in plant-microbe interactions. In this review, we focus on the role of PAs in interactions between PGPR and plants. We describe the basic ecology of PGPR and the production and function of PAs in them and the plants with which they interact. We examine the metabolism and the roles of PAs in PGPR and plants individually and during their interaction with one another. Lastly, we describe some directions for future research.
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Affiliation(s)
- Michael F Dunn
- Programa de Genómica Funcional de Procariotes, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca 62210, Mexico
| | - Víctor A Becerra-Rivera
- Programa de Genómica Funcional de Procariotes, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca 62210, Mexico
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18
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Liu XD, Zeng YY, Zhang XY, Tian XQ, Hasan MM, Yao GQ, Fang XW. Polyamines inhibit abscisic acid-induced stomatal closure by scavenging hydrogen peroxide. PHYSIOLOGIA PLANTARUM 2023; 175:e13903. [PMID: 37002824 DOI: 10.1111/ppl.13903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 03/25/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
Stomatal closure is regulated by plant hormones and some small molecules to reduce water loss under stress conditions. Both abscisic acid (ABA) and polyamines alone induce stomatal closure; however, whether the physiological functions of ABA and polyamines are synergistic or antagonistic with respect to inducing stomatal closure is still unknown. Here, stomatal movement in response to ABA and/or polyamines was tested in Vicia faba and Arabidopsis thaliana, and the change in the signaling components under stomatal closure was analyzed. We found that both polyamines and ABA could induce stomatal closure through similar signaling components, including the synthesis of hydrogen peroxide (H2 O2 ) and nitric oxide (NO) and the accumulation of Ca2+ . However, polyamines partially inhibited ABA-induced stomatal closure both in epidermal peels and in planta by activating antioxidant enzymes, including superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT), to eliminate the ABA-induced increase in H2 O2 . These results strongly indicate that polyamines inhibit abscisic acid-induced stomatal closure, suggesting that polyamines could be used as potential plant growth regulators to increase photosynthesis under mild drought stress.
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Affiliation(s)
- Xu-Dong Liu
- State Key Laboratory of Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, China
| | - Yuan-Yuan Zeng
- State Key Laboratory of Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, China
| | - Xia-Yi Zhang
- State Key Laboratory of Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, China
| | - Xue-Qian Tian
- State Key Laboratory of Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, China
| | - Md Mahadi Hasan
- State Key Laboratory of Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, China
| | - Guang-Qian Yao
- State Key Laboratory of Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, China
| | - Xiang-Wen Fang
- State Key Laboratory of Grassland Agro-ecosystems, College of Ecology, Lanzhou University, Lanzhou, China
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Rawat AA, Hartmann M, Harzen A, Lugan R, Stolze SC, Forzani C, Abts L, Reißenweber S, Rayapuram N, Nakagami H, Zeier J, Hirt H. OXIDATIVE SIGNAL-INDUCIBLE1 induces immunity by coordinating N-hydroxypipecolic acid, salicylic acid, and camalexin synthesis. THE NEW PHYTOLOGIST 2023; 237:1285-1301. [PMID: 36319610 PMCID: PMC10107268 DOI: 10.1111/nph.18592] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Expression of OXIDATIVE SIGNAL-INDUCIBLE1 (OXI1) is induced by a number of stress conditions and regulates the interaction of plants with pathogenic and beneficial microbes. In this work, we generated Arabidopsis OXI1 knockout and genomic OXI1 overexpression lines and show by transcriptome, proteome, and metabolome analysis that OXI1 triggers ALD1, SARD4, and FMO1 expressions to promote the biosynthesis of pipecolic acid (Pip) and N-hydroxypipecolic acid (NHP). OXI1 contributes to enhanced immunity by induced SA biosynthesis via CBP60g-induced expression of SID2 and camalexin accumulation via WRKY33-targeted transcription of PAD3. OXI1 regulates genes involved in reactive oxygen species (ROS) generation such as RbohD and RbohF. OXI1 knock out plants show enhanced expression of nuclear and chloroplast genes of photosynthesis and enhanced growth under ambient conditions, while OXI1 overexpressing plants accumulate NHP, SA, camalexin, and ROS and show a gain-of-function (GOF) cell death phenotype and enhanced pathogen resistance. The OXI1 GOF phenotypes are completely suppressed when compromising N-hydroxypipecolic acid (NHP) synthesis in the fmo1 or ald1 background, showing that OXI1 regulation of immunity is mediated via the NHP pathway. Overall, these results show that OXI1 plays a key role in basal and effector-triggered plant immunity by regulating defense and programmed cell death via biosynthesis of salicylic acid, N-hydroxypipecolic acid, and camalexin.
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Affiliation(s)
- Anamika A. Rawat
- Darwin21 Desert Initiative, Biological and Environmental Sciences and Engineering DivisionKing Abdullah University of Science and Technology (KAUST)Thuwal23955Saudi Arabia
| | - Michael Hartmann
- Department of Biology, Institute for Molecular Ecophysiology of PlantsHeinrich Heine UniversityUniversitätsstraße 1DüsseldorfD‐40225Germany
| | - Anne Harzen
- Max Planck Institute for Plant Breeding ResearchCologneD‐50829Germany
| | - Raphael Lugan
- UMR QualisudAvignon UniversitéAvignon Cedex 984916France
| | | | - Celine Forzani
- Department of Plant Molecular BiologyUniversity of ViennaDr. Bohrgasse 9Vienna1030Austria
| | - Laura Abts
- Department of Biology, Institute for Molecular Ecophysiology of PlantsHeinrich Heine UniversityUniversitätsstraße 1DüsseldorfD‐40225Germany
| | - Sophie Reißenweber
- Department of Biology, Institute for Molecular Ecophysiology of PlantsHeinrich Heine UniversityUniversitätsstraße 1DüsseldorfD‐40225Germany
| | - Naganand Rayapuram
- Darwin21 Desert Initiative, Biological and Environmental Sciences and Engineering DivisionKing Abdullah University of Science and Technology (KAUST)Thuwal23955Saudi Arabia
| | - Hirofumi Nakagami
- Max Planck Institute for Plant Breeding ResearchCologneD‐50829Germany
| | - Jürgen Zeier
- Department of Biology, Institute for Molecular Ecophysiology of PlantsHeinrich Heine UniversityUniversitätsstraße 1DüsseldorfD‐40225Germany
- Cluster of Excellence on Plant Sciences (CEPLAS)Heinrich Heine UniversityUniversitätsstraße 1DüsseldorfD‐40225Germany
| | - Heribert Hirt
- Darwin21 Desert Initiative, Biological and Environmental Sciences and Engineering DivisionKing Abdullah University of Science and Technology (KAUST)Thuwal23955Saudi Arabia
- Department of Plant Molecular BiologyUniversity of ViennaDr. Bohrgasse 9Vienna1030Austria
- Institute of Plant Sciences Paris‐Saclay IPS2, CNRS, INRAe, Université Paris‐Sud, Université Evry, Université Paris‐SaclayBâtiment63091405 OrsayFrance
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Thapar Kapoor R, Ingo Hefft D, Ahmad A. Nitric oxide and spermidine alleviate arsenic-incited oxidative damage in Cicer arietinum by modulating glyoxalase and antioxidant defense system. FUNCTIONAL PLANT BIOLOGY : FPB 2023; 50:108-120. [PMID: 34794540 DOI: 10.1071/fp21196] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Accepted: 09/29/2021] [Indexed: 06/13/2023]
Abstract
Anthropogenic activities such as mining, fossil fuel combustion, fertilisers and pesticides utilisation in agriculture, metallurgic processes and disposal of industrial wastes have contributed an exponential rise in arsenic content in environment. The present paper deals with arsenate (AsV) incited stress in chickpea (Cicer arietinum L.) plants and its alleviation through the application of nitric oxide (NO) and spermidine (SPD). The exposure of C. arietinum to AsV reduced seedling length, biomass, relative water content and biochemical constituents. All the above-mentioned parameters were escalated when sodium nitroprusside (SNP) or SPD were utilised alone or in combination with AsV. The electrolyte leakage and malondialdehyde content were increased in chickpea treated with AsV, but reduced in combine treatment (As+SNP+SPD). In chickpea seedlings, 89.4, 248.4 and 333.3% stimulation were recorded in sugar, proline and glycine betaine contents, respectively, with As+SNP+SPD treatment in comparison to control. SNP and SPD modulated function of glyoxalase enzymes by which methylglyoxal (MG) was significantly detoxified in C. arietinum . Maximum reduction 45.2% was observed in MG content in SNP+SPD treatment over AsV stress. Hence, synergistic application of NO and SPD protected chickpea plants against AsV-generated stress by strengthening the antioxidant defence and glyoxalase system, which helped in regulation of biochemical pathways.
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Affiliation(s)
- Riti Thapar Kapoor
- Plant Physiology Laboratory, Amity Institute of Biotechnology, Amity University, Noida 201313, Uttar Pradesh, India
| | - Daniel Ingo Hefft
- University Centre Reaseheath, Food and Agricultural Sciences, Reaseheath College, Nantwich CW5 6DF, UK
| | - Ajaz Ahmad
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
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21
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Podia V, Chatzopoulos D, Milioni D, Stravopodis DJ, Dervisi I, Roussis A, Roubelakis-Angelakis KA, Haralampidis K. GUS Reporter-Aided Promoter Deletion Analysis of A. thaliana POLYAMINE OXIDASE 3. Int J Mol Sci 2023; 24:ijms24032317. [PMID: 36768644 PMCID: PMC9916862 DOI: 10.3390/ijms24032317] [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: 12/24/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 01/26/2023] Open
Abstract
Polyamine oxidases (PAOs) have been correlated with numerous physiological and developmental processes, as well as responses to biotic and abiotic stress conditions. Their transcriptional regulation is driven by signals generated by various developmental and environmental cues, including phytohormones. However, the inductive mechanism(s) of the corresponding genes remains elusive. Out of the five previously characterized Arabidopsis PAO genes, none of their regulatory sequences have been analyzed to date. In this study, a GUS reporter-aided promoter deletion approach was used to investigate the transcriptional regulation of AtPAO3 during normal growth and development as well as under various inductive environments. AtPAO3 contains an upstream open reading frame (uORF) and a short inter-cistronic sequence, while the integrity of both appears to be crucial for the proper regulation of gene expression. The full-length promoter contains several cis-acting elements that regulate the tissue-specific expression of AtPAO3 during normal growth and development. Furthermore, a number of TFBS that are involved in gene induction under various abiotic stress conditions display an additive effect on gene expression. Taken together, our data indicate that the transcription of AtPAO3 is regulated by multiple environmental factors, which probably work alongside hormonal signals and shed light on the fine-tuning mechanisms of PAO regulation.
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Affiliation(s)
- Varvara Podia
- Section of Botany, Biology Department, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Dimitris Chatzopoulos
- Section of Cell Biology and Biophysics, Biology Department, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Dimitra Milioni
- Biotechnology Department, Agricultural University of Athens, 11855 Athens, Greece
| | - Dimitrios J. Stravopodis
- Section of Cell Biology and Biophysics, Biology Department, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Irene Dervisi
- Section of Botany, Biology Department, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Andreas Roussis
- Section of Botany, Biology Department, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | | | - Kosmas Haralampidis
- Section of Botany, Biology Department, National and Kapodistrian University of Athens, 15784 Athens, Greece
- Correspondence: ; Tel.: +0030-2107274131
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22
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Pereyra CM, Dal Lago CC, Creus CM, Pereyra MA. Azospirillum baldaniorum Sp 245 inoculation affects cell wall and polyamines metabolisms in cucumber seedling roots. FEMS Microbiol Lett 2023; 370:6998557. [PMID: 36690345 DOI: 10.1093/femsle/fnad005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 11/22/2022] [Accepted: 01/19/2023] [Indexed: 01/25/2023] Open
Abstract
Azospirillum baldaniorum Sp 245 is a model plant growth-promoting rhizobacterium. The first cross-talk with plants takes place within the roots. Roots cells growth is constrained by the primary cell wall (CW). Also, neighboring CW form the apoplast that should affect cells signaling and biochemical messages. Studies on CW phenolic composition ferulate (FA), diferulates (DFA) and p-coumarate and polyamines (PA) metabolisms of A. baldaniorum Sp 245- inoculated roots and on bacterial PA production in culture media should help to understand more about the mechanisms involved in Azospirillum-root association. For this purpose, CW-bound FA, DFA and p-coumarate contents, putrescine (put) and spermidine contents, diamine and polyamine oxidases activities, and H2O2 content of Cucumis sativus roots from dark grown seedlings inoculated with A. baldaniorum Sp 245 were determined. Also, bacterial PA production under constant agitation or static conditions was evaluated. Results showed lesser contents of all phenolics, and higher FA/DFA ratio in CW of inoculated roots that should be responsible for roots growth promotion. Also, the increased put content, DAO activity, and H2O2 production in the roots should be associated to A. baldaniorum Sp 245 growth promotion in early stages. Finally, the participation of both PA in A. baldaniorum Sp 245 biofilm formation was demonstrated.
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Affiliation(s)
| | - Claudia Cristina Dal Lago
- Instituto de Innovación para el Desarrollo Agroalimentario y Agroenergético Sostenible (IIDEAGROS)
- Grupo Innovación y desarrollo de alimentos regionales
| | - Cecilia Mónica Creus
- Instituto de Innovación para el Desarrollo Agroalimentario y Agroenergético Sostenible (IIDEAGROS)
- Laboratorio de Bioquímica Vegetal y Microbiana
| | - María Alejandra Pereyra
- Instituto de Innovación para el Desarrollo Agroalimentario y Agroenergético Sostenible (IIDEAGROS)
- Grupo Innovación y desarrollo de alimentos regionales
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23
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Liu H, Su Y, Fan Y, Zuo D, Xu J, Liu Y, Mei X, Huang H, Yang M, Zhu S. Exogenous leucine alleviates heat stress and improves saponin synthesis in Panax notoginseng by improving antioxidant capacity and maintaining metabolic homeostasis. FRONTIERS IN PLANT SCIENCE 2023; 14:1175878. [PMID: 37152124 PMCID: PMC10154563 DOI: 10.3389/fpls.2023.1175878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/03/2023] [Indexed: 05/09/2023]
Abstract
Panax notoginseng saponins (PNSs) are used as industrial raw materials to produce many drugs to treat cardio-cerebrovascular diseases. However, it is a heat-sensitive plant, and its large-scale artificial cultivation is impeded by high temperature stress, leading to decreases in productivity and PNSs yield. Here, we examined exogenous foliar leucine to alleviate heat stress and explored the underlying mechanism using metabolomics. The results indicated that 3 and 5 mM exogenous foliar leucine significantly alleviated heat stress in one-year- and two-year-old P. notoginseng in pots and field trials. Exogenous foliar leucine enhanced the antioxidant capacity by increasing the activities of antioxidant enzymes (POD, SOD) and the contents of antioxidant metabolites (amino acids). Moreover, exogenous foliar leucine enhanced carbohydrate metabolism, including sugars (sucrose, maltose) and TCA cycle metabolites (citric acid, aconitic acid, succinic acid and fumaric acid), in P. notoginseng leaves, stems, and fibrous roots to improve the energy supply of plants and further alleviate heat stress. Field experiments further verified that exogenous foliar leucine increased the productivity and PNSs accumulation in P. notoginseng. These results suggest that leucine application is beneficial for improving the growth and quality of P. notoginseng under heat stress. It is therefore possible to develop plant growth regulators based on leucine to improve the heat resistance of P. notoginseng and other crops.
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Affiliation(s)
- Haijiao Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Yingwei Su
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Yunxia Fan
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Denghong Zuo
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Jie Xu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Yixiang Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Xinyue Mei
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Huichuan Huang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
| | - Min Yang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
- *Correspondence: Shusheng Zhu, ; Min Yang,
| | - Shusheng Zhu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, China
- Key Laboratory for Agro-Biodiversity and Pest Control of Ministry of Education, Yunnan Agricultural University, Kunming, China
- *Correspondence: Shusheng Zhu, ; Min Yang,
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24
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Hu Z, Zhang S, Zhang H, Cao L, Chang R, Liu Z, Zhang H, Xu Z, Liu G. Identification and expression pattern analysis of PtCarA and PtCarB genes in Populus trichocarpa under different nitrogen treatments. PLANT BIOLOGY (STUTTGART, GERMANY) 2023; 25:131-141. [PMID: 36178874 DOI: 10.1111/plb.13471] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/06/2022] [Indexed: 06/16/2023]
Abstract
Carbamoyl phosphate synthetase (CPS) catalyses the synthesis of ammonia carbamoyl phosphate (CP), which plays a key role in the biosynthesis of arginine and pyrimidine nucleotides. There are two subunits of the CPS enzyme in Populus trichocarpa, CarA (small subunit) and CarB (large subunit). Only when they coexist can CPS catalyse synthesis of CP. However, it is not clear how CPS responds to nitrogen (N) to affect arginine and pyrimidine nucleotide biosynthesis. In this study, bioinformatics methods were used to analyse the expression patterns of genes encoding CarA and CarB, and qRT-PCR and RNA-seq were used to investigate their molecular responses under different N concentrations. Phylogenetic analysis revealed that the phylogenetic trees of CarA and CarB had similar topologies. qRT-PCR showed that the PtCarA and PtCarB genes were regulated by N, while their N-regulated patterns differed in different tissues. The expression patterns of PtCarA and PtCarB show a significant positive correlation according to qRT-PCR and RNA-seq. The analysis of promoter cis-acting elements showed that the promoter regions of PtCarA1, PtCarA2 and PtCarB contained some identical cis-acting elements. According to analysis of the phylogenetic tree, expression patterns and promoter elements, we speculate that there might be coevolution among PtCarA1, PtCarA2 and PtCarB. This study provides valuable information for further understanding the function of CPS in poplar, especially for N response, and provides new ideas for studying the evolution of gene families related to heteromultimers.
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Affiliation(s)
- Z Hu
- State Key Laboratory of Tree Genetics and Breeding (Northeast Forestry University), School of Forestry, Northeast Forestry University, Harbin, China
- School of Forestry, Northeast Forestry University, Harbin, China
| | - S Zhang
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Northeast Forestry University, Ministry of Education, Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - H Zhang
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Northeast Forestry University, Ministry of Education, Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - L Cao
- State Key Laboratory of Tree Genetics and Breeding (Northeast Forestry University), School of Forestry, Northeast Forestry University, Harbin, China
- School of Forestry, Northeast Forestry University, Harbin, China
| | - R Chang
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Northeast Forestry University, Ministry of Education, Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - Z Liu
- State Key Laboratory of Tree Genetics and Breeding (Northeast Forestry University), School of Forestry, Northeast Forestry University, Harbin, China
- School of Forestry, Northeast Forestry University, Harbin, China
| | - H Zhang
- State Key Laboratory of Tree Genetics and Breeding (Northeast Forestry University), School of Forestry, Northeast Forestry University, Harbin, China
- School of Forestry, Northeast Forestry University, Harbin, China
| | - Z Xu
- Key Laboratory of Saline-Alkali Vegetation Ecology Restoration, Northeast Forestry University, Ministry of Education, Harbin, China
- College of Life Science, Northeast Forestry University, Harbin, China
| | - G Liu
- State Key Laboratory of Tree Genetics and Breeding (Northeast Forestry University), School of Forestry, Northeast Forestry University, Harbin, China
- School of Forestry, Northeast Forestry University, Harbin, China
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25
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New plant resistance inducers based on polyamines. OPEN CHEM 2022. [DOI: 10.1515/chem-2022-0261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Abstract
The novel and revolutionary approach to plant protection presented in this work, based on the preparation of bifunctional salts of a plant resistance inducer combined with a polyamine cation, may become a potential solution in the future for reducing the effects of abiotic and biotic stresses to which the plant is exposed. This study presents the synthesis, physical properties, phytotoxicity, and systemic acquired resistance (SAR) induction efficacy of new salts composed of the anion of plant resistance inducers and N,N,N,N′,N′,N′-hexamethylpropane-1,3-diammonium cation (5 salts), N,N,N,N′,N′,N′-hexamethyl-butane-1,4-diammonium cation (5 salts), spermidine salicylate, and spermine salicylate. SAR induction efficiency tests were performed on tobacco, Nicotiana tabacum var. Xanthi, infected with the tobacco mosaic virus.
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26
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Rose T, Wilkinson M, Lowe C, Xu J, Hughes D, Hassall KL, Hassani‐Pak K, Amberkar S, Noleto‐Dias C, Ward J, Heuer S. Novel molecules and target genes for vegetative heat tolerance in wheat. PLANT-ENVIRONMENT INTERACTIONS (HOBOKEN, N.J.) 2022; 3:264-289. [PMID: 37284432 PMCID: PMC10168084 DOI: 10.1002/pei3.10096] [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: 09/04/2022] [Revised: 11/21/2022] [Accepted: 11/28/2022] [Indexed: 06/08/2023]
Abstract
To prevent yield losses caused by climate change, it is important to identify naturally tolerant genotypes with traits and related pathways that can be targeted for crop improvement. Here we report on the characterization of contrasting vegetative heat tolerance in two UK bread wheat varieties. Under chronic heat stress, the heat-tolerant cultivar Cadenza produced an excessive number of tillers which translated into more spikes and higher grain yield compared to heat-sensitive Paragon. RNAseq and metabolomics analyses revealed that over 5000 genotype-specific genes were differentially expressed, including photosynthesis-related genes, which might explain the observed ability of Cadenza to maintain photosynthetic rate under heat stress. Around 400 genes showed a similar heat-response in both genotypes. Only 71 genes showed a genotype × temperature interaction. As well as known heat-responsive genes such as heat shock proteins (HSPs), several genes that have not been previously linked to the heat response, particularly in wheat, have been identified, including dehydrins, ankyrin-repeat protein-encoding genes, and lipases. Contrary to primary metabolites, secondary metabolites showed a highly differentiated heat response and genotypic differences. These included benzoxazinoid (DIBOA, DIMBOA), and phenylpropanoids and flavonoids with known radical scavenging capacity, which was assessed via the DPPH assay. The most highly heat-induced metabolite was (glycosylated) propanediol, which is widely used in industry as an anti-freeze. To our knowledge, this is the first report on its response to stress in plants. The identified metabolites and candidate genes provide novel targets for the development of heat-tolerant wheat.
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Affiliation(s)
| | | | | | | | | | | | | | - Sandeep Amberkar
- Rothamsted ResearchHarpendenUK
- Institute of Systems, Molecular and Integrative BiologyUniversity of LiverpoolLiverpoolUK
| | | | | | - Sigrid Heuer
- Rothamsted ResearchHarpendenUK
- National Institute of Agricultural Botany (NIAB)CambridgeUK
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27
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Gao H, Wu X, Yang X, Sun M, Liang J, Xiao Y, Peng F. Silicon inhibits gummosis by promoting polyamine synthesis and repressing ethylene biosynthesis in peach. FRONTIERS IN PLANT SCIENCE 2022; 13:986688. [PMID: 36518518 PMCID: PMC9744191 DOI: 10.3389/fpls.2022.986688] [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: 07/05/2022] [Accepted: 10/25/2022] [Indexed: 06/17/2023]
Abstract
Silicon is a beneficial element for plant growth, as well as for improving plant resistance to multiple biotic and abiotic stresses. Gummosis is a common harmful disease in peach and is induced by many factors. However, the effect of silicon on gummosis of peach has not been determined yet. In this study, we reported that application of silicon significantly reduced gummosis by regulating biosynthesis of ethylene and polyamines in peach. Ethylene promoted the development of gummosis by inducing the expression of genes encoding cell wall degrading enzymes. While application of different types of polyamines, including spermidine and spermine, dramatically inhibited the occurrence of gummosis. Moreover, polyamines inhibited the ethylene biosynthesis by down-regulating expression of ethylene biosynthetic gene PpACS1 (1-aminocyclopropane -1-carboxylic acid synthase), as well as the enzymatic activity of ACS. We further found that application of silicon significantly restricted the development of gummosis in peach. Exogenous silicon dramatically inhibited expression of PpACS1 and the enzymatic activity of its product to reduce ethylene biosynthesis. Simultaneously, the activity of S-adenosylmethionine decarboxylase, a key enzyme in ployamines biosynthesis, was increased by 9.85% under silicon treatment, resulting in elevated accumulation of polyamines. Thus, our data proved that application of silicon restricted gummosis development by activating ployamines biosynthesis and inhibiting ethylene synthesis in peach.
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Affiliation(s)
| | | | | | | | | | | | - Futian Peng
- *Correspondence: Yuansong Xiao, ; Futian Peng,
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28
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Understanding and Comprehensive Evaluation of Cold Resistance in the Seedlings of Multiple Maize Genotypes. PLANTS 2022; 11:plants11141881. [PMID: 35890515 PMCID: PMC9320912 DOI: 10.3390/plants11141881] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/15/2022] [Accepted: 07/17/2022] [Indexed: 12/02/2022]
Abstract
Maize is a cold-sensitive crop, and it exhibits severe retardation of growth and development when exposed to cold snaps during and right after seedling emergence. Although different agronomic, physiological, and molecular approaches have been tried to overcome the problems related to cold stress in recent years, the mechanisms causing cold resistance in maize are still unclear. Screening and breeding of varieties for cold resistance may be a sustainable option to boost maize production under low-temperature environments. Herein, seedlings of 39 different maize genotypes were treated under both 10 °C low temperature and 22 °C normal temperature conditions for 7 days, to assess the changes in seven growth parameters, two membrane characteristics, two reactive oxygen species (ROS) levels, and four antioxidant enzymes activities. The changes in ten photosynthetic performances, one osmotic substance accumulation, and three polyamines (PAs) metabolisms were also measured. Results indicated that significant differences among genotypes, temperature treatments, and their interactions were found in 29 studied traits, and cold–stressed seedlings were capable to enhance their cold resistance by maintaining high levels of membrane stability index (66.07%); antioxidant enzymes activities including the activity of superoxide dismutase (2.44 Unit g−1 protein), peroxidase (1.65 Unit g−1 protein), catalase (0.65 μM min−1 g−1 protein), and ascorbate peroxidase (5.45 μM min−1 g−1 protein); chlorophyll (Chl) content, i.e., Chl a (0.36 mg g−1 FW) and Chl b (0.40 mg g−1 FW); photosynthetic capacity such as net photosynthetic rate (5.52 μM m−2 s−1) and ribulose 1,5–biphosphate carboxylase activity (6.57 M m−2 s−1); PAs concentration, mainly putrescine (274.89 nM g−1 FW), spermidine (52.69 nM g−1 FW), and spermine (45.81 nM g−1 FW), particularly under extended cold stress. Importantly, 16 traits can be good indicators for screening of cold–resistant genotypes of maize. Gene expression analysis showed that GRMZM2G059991, GRMZM2G089982, GRMZM2G088212, GRMZM2G396553, GRMZM2G120578, and GRMZM2G396856 involved in antioxidant enzymes activity and PAs metabolism, and these genes may be used for genetic modification to improve maize cold resistance. Moreover, seven strong cold–resistant genotypes were identified, and they can be used as parents in maize breeding programs to develop new varieties.
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29
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The effect of polyamines and silver thiosulphate on micropropagation of date palm followed by genetic stability assessment. World J Microbiol Biotechnol 2022; 38:124. [PMID: 35641801 DOI: 10.1007/s11274-022-03305-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Accepted: 05/09/2022] [Indexed: 10/18/2022]
Abstract
There are some limitations in date palm micropropagation. These include low multiplication efficiency, low rooting rate, and high mortality experienced by in vitro raised plantlets during laboratory to soil transfer. The objective of the study was to determine the effect of the polyamines and Silver Thiosulphate (STS) on the enhancement of shoot multiplication and genetic stability of in vitro cultures of date palm cultivar Quntar. Media supplemented with 75 mg L-1 SPD in combination with 10 mg L-1 STS gave the highest percentage of callus producing buds (83.34%) and average bud formation (16.3) per jar. The addition of PUT and STS to the medium was most effective on root formation and the number of roots per shoot, where the best result, 91.67% and 6.37 roots per shoot, respectively, were obtained using 75 mg L-1 PUT and 10 mg L-1 STS, resulting in fast-growing plantlets during acclimatization phase, reaching 80% of plant survival. The genetic fidelity assessment of plants derived from micropropagation was confirmed by RAPD analysis. Four operon primers were used, and all of them showed amplified unambiguous (OPA02, OPC-04, OPD-07, and OPE-15). All generated bands were monomorphic and had no variation among the tissue culture-derived plants tested. Accordingly, these results indicate that adding polyamines and silver thiosulfate to the nutrient medium of date palm cv. Quntar was beneficial to improving shoot organogenesis, rooting, and production of genetically stable date palm plants.
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30
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Yang J, Liang B, Zhang Y, Liu Y, Wang S, Yang Q, Geng X, Liu S, Wu Y, Zhu Y, Lin T. Genome-wide association study of eigenvectors provides genetic insights into selective breeding for tomato metabolites. BMC Biol 2022; 20:120. [PMID: 35606872 PMCID: PMC9128223 DOI: 10.1186/s12915-022-01327-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 05/10/2022] [Indexed: 01/05/2023] Open
Abstract
Background Long-term domestication and intensive breeding of crop plants aim to establish traits desirable for human needs, and characteristics related to yield, disease resistance, and postharvest storage have traditionally received considerable attention. These processes have led also to negative consequences, as is the case of loss of variants controlling fruit quality, for instance in tomato. Tomato fruit quality is directly associated to metabolite content profiles; however, a full understanding of the genetics affecting metabolite content during tomato domestication and improvement has not been reached due to limitations of the single detection methods previously employed. Here, we aim to reach a broad understanding of changes in metabolite content using a genome-wide association study (GWAS) with eigenvector decomposition (EigenGWAS) on tomato accessions. Results An EigenGWAS was performed on 331 tomato accessions using the first eigenvector generated from the genomic data as a “phenotype” to understand the changes in fruit metabolite content during breeding. Two independent gene sets were identified that affected fruit metabolites during domestication and improvement in consumer-preferred tomatoes. Furthermore, 57 candidate genes related to polyphenol and polyamine biosynthesis were discovered, and a major candidate gene chlorogenate: glucarate caffeoyltransferase (SlCGT) was identified, which affected the quality and diseases resistance of tomato fruit, revealing the domestication mechanism of polyphenols. Conclusions We identified gene sets that contributed to consumer liking during domestication and improvement of tomato. Our study reports novel evidence of selective sweeps and key metabolites controlled by multiple genes, increasing our understanding of the mechanisms of metabolites variation during those processes. It also supports a polygenic selection model for the application of tomato breeding. Supplementary Information The online version contains supplementary material available at 10.1186/s12915-022-01327-x.
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31
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Chen D, Mubeen B, Hasnain A, Rizwan M, Adrees M, Naqvi SAH, Iqbal S, Kamran M, El-Sabrout AM, Elansary HO, Mahmoud EA, Alaklabi A, Sathish M, Din GMU. Role of Promising Secondary Metabolites to Confer Resistance Against Environmental Stresses in Crop Plants: Current Scenario and Future Perspectives. FRONTIERS IN PLANT SCIENCE 2022; 13:881032. [PMID: 35615133 PMCID: PMC9126561 DOI: 10.3389/fpls.2022.881032] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 03/24/2022] [Indexed: 05/22/2023]
Abstract
Plants often face incompatible growing environments like drought, salinity, cold, frost, and elevated temperatures that affect plant growth and development leading to low yield and, in worse circumstances, plant death. The arsenal of versatile compounds for plant consumption and structure is called metabolites, which allows them to develop strategies to stop enemies, fight pathogens, replace their competitors and go beyond environmental restraints. These elements are formed under particular abiotic stresses like flooding, heat, drought, cold, etc., and biotic stress such as a pathogenic attack, thus associated with survival strategy of plants. Stress responses of plants are vigorous and include multifaceted crosstalk between different levels of regulation, including regulation of metabolism and expression of genes for morphological and physiological adaptation. To date, many of these compounds and their biosynthetic pathways have been found in the plant kingdom. Metabolites like amino acids, phenolics, hormones, polyamines, compatible solutes, antioxidants, pathogen related proteins (PR proteins), etc. are crucial for growth, stress tolerance, and plant defense. This review focuses on promising metabolites involved in stress tolerance under severe conditions and events signaling the mediation of stress-induced metabolic changes are presented.
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Affiliation(s)
- Delai Chen
- College of Life Science and Technology, Longdong University, Qingyang, China
- Gansu Key Laboratory of Protection and Utilization for Biological Resources and Ecological Restoration, Qingyang, China
| | - Bismillah Mubeen
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Ammarah Hasnain
- Institute of Molecular Biology and Biotechnology, The University of Lahore, Lahore, Pakistan
| | - Muhammad Rizwan
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Faisalabad, Pakistan
| | - Muhammad Adrees
- Department of Environmental Sciences and Engineering, Government College University Faisalabad, Faisalabad, Pakistan
| | | | - Shehzad Iqbal
- Faculty of Agriculture Sciences, Universidad de Talca, Talca, Chile
| | - Muhammad Kamran
- School of Agriculture, Food and Wine, The University of Adelaide, Adelaide, SA, Australia
| | - Ahmed M. El-Sabrout
- Department of Applied Entomology and Zoology, Faculty of Agriculture (EL-Shatby), Alexandria University, Alexandria, Egypt
| | - Hosam O. Elansary
- Plant Production Department, College of Food and Agricultural Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Eman A. Mahmoud
- Department of Food Industries, Faculty of Agriculture, Damietta University, Damietta, Egypt
| | - Abdullah Alaklabi
- Department of Biology, Faculty of Science, University of Bisha, Bisha, Saudi Arabia
| | - Manda Sathish
- Centro de Investigación de Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación y Postgrado, Universidad Católica del Maule, Talca, Chile
| | - Ghulam Muhae Ud Din
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences (CAAS), Beijing, China
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Liu G, Jiang W, Tian L, Fu Y, Tan L, Zhu Z, Sun C, Liu F. Polyamine oxidase 3 is involved in salt tolerance at the germination stage in rice. J Genet Genomics 2022; 49:458-468. [PMID: 35144028 DOI: 10.1016/j.jgg.2022.01.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 12/22/2022]
Abstract
Soil salinity inhibits seed germination and reduces seedling survival rate, resulting in significant yield reductions in crops. Here, we report the identification of a polyamine oxidase, OsPAO3, conferring salt tolerance at the germination stage in rice (Oryza sativa L.), through map-based cloning approach. OsPAO3 is up-regulated under salt stress at the germination stage and highly expressed in various organs. Overexpression of OsPAO3 increases activity of polyamine oxidases, enhancing the polyamine content in seed coleoptiles. Increased polyamine may lead to the enhance of the activity of ROS-scavenging enzymes to eliminate over-accumulated H2O2 and to reduce Na+ content in seed coleoptiles to maintain ion homeostasis and weaken Na+ damage. These changes resulted in stronger salt tolerance at the germination stage in rice. Our findings not only provide a unique gene for breeding new salt-tolerant rice cultivars but also help to elucidate the mechanism of salt tolerance in rice.
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Affiliation(s)
- Guangyu Liu
- State Key Laboratory of Plant Physiology and Biochemistry, China Agricultural University, Beijing 100193, China; National Center for Evaluation of Agricultural Wild Plants (Rice), Beijing Key Laboratory of Crop Genetic Improvement, Laboratory of Crop Heterosis and Utilization, MOE, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Wanxia Jiang
- State Key Laboratory of Plant Physiology and Biochemistry, China Agricultural University, Beijing 100193, China; National Center for Evaluation of Agricultural Wild Plants (Rice), Beijing Key Laboratory of Crop Genetic Improvement, Laboratory of Crop Heterosis and Utilization, MOE, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Lei Tian
- State Key Laboratory of Plant Physiology and Biochemistry, China Agricultural University, Beijing 100193, China; National Center for Evaluation of Agricultural Wild Plants (Rice), Beijing Key Laboratory of Crop Genetic Improvement, Laboratory of Crop Heterosis and Utilization, MOE, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Yongcai Fu
- National Center for Evaluation of Agricultural Wild Plants (Rice), Beijing Key Laboratory of Crop Genetic Improvement, Laboratory of Crop Heterosis and Utilization, MOE, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Lubin Tan
- National Center for Evaluation of Agricultural Wild Plants (Rice), Beijing Key Laboratory of Crop Genetic Improvement, Laboratory of Crop Heterosis and Utilization, MOE, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Zuofeng Zhu
- National Center for Evaluation of Agricultural Wild Plants (Rice), Beijing Key Laboratory of Crop Genetic Improvement, Laboratory of Crop Heterosis and Utilization, MOE, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China
| | - Chuanqing Sun
- State Key Laboratory of Plant Physiology and Biochemistry, China Agricultural University, Beijing 100193, China; National Center for Evaluation of Agricultural Wild Plants (Rice), Beijing Key Laboratory of Crop Genetic Improvement, Laboratory of Crop Heterosis and Utilization, MOE, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China.
| | - Fengxia Liu
- State Key Laboratory of Plant Physiology and Biochemistry, China Agricultural University, Beijing 100193, China; National Center for Evaluation of Agricultural Wild Plants (Rice), Beijing Key Laboratory of Crop Genetic Improvement, Laboratory of Crop Heterosis and Utilization, MOE, Department of Plant Genetics and Breeding, China Agricultural University, Beijing 100193, China.
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Sun W, Zhou XJ, Chen C, Zhang X, Tian X, Xiao K, Liu C, Chen R, Chen S. Maize Interveinal Chlorosis 1 links the Yang Cycle and Fe homeostasis through Nicotianamine biosynthesis. PLANT PHYSIOLOGY 2022; 188:2131-2145. [PMID: 35099564 PMCID: PMC8968279 DOI: 10.1093/plphys/kiac009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 11/30/2021] [Indexed: 05/15/2023]
Abstract
The Yang cycle is involved in many essential metabolic pathways in plant growth and development. As extended products of the Yang cycle, the function and regulation network of ethylene and polyamines are well characterized. Nicotianamine (NA) is also a product of this cycle and works as a key metal chelator for iron (Fe) homeostasis in plants. However, interactions between the Yang cycle and NA biosynthesis remain unclear. Here, we cloned maize interveinal chlorosis 1 (mic1), encoding a 5'-methylthioadenosine nucleosidase (MTN), that is essential for 5'-methylthioadenosine (MTA) salvage and NA biosynthesis in maize (Zea mays). A single base G-A transition in the fourth exon of mic1 causes a Gly to Asp change, resulting in increased MTA, reduced Fe distribution, and growth retardation of seedlings. Knockout of ZmMIC1 but not its paralog ZmMTN2 by CRISPR/Cas9 causes interveinal chlorosis, indicating ZmMIC1 is mainly responsible for MTN activity in maize. Transcriptome analysis showed a typical response of Fe deficiency. However, metabolic analysis revealed dramatically reduced NA content in mic1, suggesting NA biosynthesis was impaired in the mutant. Exogenous application of NA transiently reversed the interveinal chlorosis phenotype of mic1 seedlings. Moreover, the mic1 mutant overexpressing a NA synthase gene not only recovered from interveinal chlorosis and growth retardation but was also fertile. These findings provide a link between the Yang cycle and NA biosynthesis, which highlights an aspect of Fe homeostasis regulation in maize.
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Affiliation(s)
| | | | - Chen Chen
- National Maize Improvement Center of China, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100194, China
| | - Xin Zhang
- Crop Functional Genomics Center, Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xiaolong Tian
- National Maize Improvement Center of China, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100194, China
| | - Ke Xiao
- Crop Functional Genomics Center, Biotechnology Research Institute, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Chenxu Liu
- National Maize Improvement Center of China, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100194, China
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Kundu A, Mishra S, Kundu P, Jogawat A, Vadassery J. Piriformospora indica recruits host-derived putrescine for growth promotion in plants. PLANT PHYSIOLOGY 2022; 188:2289-2307. [PMID: 34791442 PMCID: PMC8968253 DOI: 10.1093/plphys/kiab536] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 06/01/2023]
Abstract
Growth promotion induced by the endosymbiont Piriformospora indica has been observed in various plants; however, except growth phytohormones, specific functional metabolites involved in P. indica-mediated growth promotion are unknown. Here, we used a gas chromatography-mass spectrometry-based untargeted metabolite analysis to identify tomato (Solanum lycopersicum) metabolites whose levels were altered during P. indica-mediated growth promotion. Metabolomic multivariate analysis revealed several primary metabolites with altered levels, with putrescine (Put) induced most significantly in roots during the interaction. Further, our results indicated that P. indica modulates the arginine decarboxylase (ADC)-mediated Put biosynthesis pathway via induction of SlADC1 in tomato. Piriformospora indica did not promote growth in Sladc1-(virus-induced gene silencing of SlADC1) lines of tomato and showed less colonization. Furthermore, using LC-MS/MS we showed that Put promoted growth by elevation of auxin (indole-3-acetic acid) and gibberellin (GA4 and GA7) levels in tomato. In Arabidopsis (Arabidopsis thaliana) adc knockout mutants, P. indica colonization also decreased and showed no plant growth promotion, and this response was rescued upon exogenous application of Put. Put is also important for hyphal growth of P. indica, indicating that it is co-adapted by both host and microbe. Taken together, we conclude that Put is an essential metabolite and its biosynthesis in plants is crucial for P. indica-mediated plant growth promotion and fungal growth.
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Affiliation(s)
- Anish Kundu
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Shruti Mishra
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Pritha Kundu
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
| | - Abhimanyu Jogawat
- National Institute of Plant Genome Research (NIPGR), Aruna Asaf Ali Marg, New Delhi 110067, India
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Özmen S, Tabur S, Öney-Birol S, Özmen S. Molecular Responses of Exogenous Polyamines under Drought Stress in the Barley Plants. CYTOLOGIA 2022. [DOI: 10.1508/cytologia.87.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Serkan Özmen
- Department of Biology, Faculty of Arts and Science, Süleyman Demirel University
| | - Selma Tabur
- Department of Biology, Faculty of Arts and Science, Süleyman Demirel University
| | - Siğnem Öney-Birol
- Department of Molecular Biology, Faculty of Arts and Science, Mehmet Akif Ersoy University
| | - Serdar Özmen
- Department of Agricultural Biotechnology, Faculty of Agriculture, Isparta University of Applied Sciences
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Ma X, Yu L, Fatima M, Wadlington WH, Hulse-Kemp AM, Zhang X, Zhang S, Xu X, Wang J, Huang H, Lin J, Deng B, Liao Z, Yang Z, Ma Y, Tang H, Van Deynze A, Ming R. The spinach YY genome reveals sex chromosome evolution, domestication, and introgression history of the species. Genome Biol 2022; 23:75. [PMID: 35255946 PMCID: PMC8902716 DOI: 10.1186/s13059-022-02633-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 02/16/2022] [Indexed: 12/13/2022] Open
Abstract
Background Spinach (Spinacia oleracea L.) is a dioecious species with an XY sex chromosome system, but its Y chromosome has not been fully characterized. Our knowledge about the history of its domestication and improvement remains limited. Results A high-quality YY genome of spinach is assembled into 952 Mb in six pseudo-chromosomes. By a combination of genetic mapping, Genome-Wide Association Studies, and genomic analysis, we characterize a 17.42-Mb sex determination region (SDR) on chromosome 1. The sex chromosomes of spinach evolved when an insertion containing sex determination genes occurred, followed by a large genomic inversion about 1.98 Mya. A subsequent burst of SDR-specific repeats (0.1–0.15 Mya) explains the large size of this SDR. We identify a Y-specific gene, NRT1/PTR 6.4 which resides in this insertion, as a strong candidate for the sex determination or differentiation factor. Resequencing of 112 spinach genomes reveals a severe domestication bottleneck approximately 10.87 Kya, which dates the domestication of spinach 7000 years earlier than the archeological record. We demonstrate that a strong selection signal associated with internode elongation and leaf area expansion is associated with domestication of edibility traits in spinach. We find that several strong genomic introgressions from the wild species Spinacia turkestanica and Spinacia tetrandra harbor desirable alleles of genes related to downy mildew resistance, frost resistance, leaf morphology, and flowering-time shift, which likely contribute to spinach improvement. Conclusions Analysis of the YY genome uncovers evolutionary forces shaping nascent sex chromosome evolution in spinach. Our findings provide novel insights about the domestication and improvement of spinach. Supplementary Information The online version contains supplementary material available at 10.1186/s13059-022-02633-x.
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Affiliation(s)
- Xiaokai Ma
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Li'ang Yu
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Mahpara Fatima
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - William H Wadlington
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA
| | - Amanda M Hulse-Kemp
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA.,USDA-ARS, Genomics and Bioinformatics Research Unit, North Carolina, 27695, Raleigh, USA
| | - Xingtan Zhang
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Shengcheng Zhang
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Xindan Xu
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Jingjing Wang
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Huaxing Huang
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Jing Lin
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Ban Deng
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Zhenyang Liao
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Zhenhui Yang
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Yanhong Ma
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Haibao Tang
- Center for Genomics and Biotechnology, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Key Laboratory of Genetics, Breeding and Multiple Utilization of Crops, Ministry of Agriculture, Fujian Agriculture and Forestry University, Fuzhou, 350002, China
| | - Allen Van Deynze
- Department of Plant Sciences, University of California, Davis, CA, 95616, USA
| | - Ray Ming
- Department of Plant Biology, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, USA.
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Navakoudis E, Kotzabasis K. Polyamines: Α bioenergetic smart switch for plant protection and development. JOURNAL OF PLANT PHYSIOLOGY 2022; 270:153618. [PMID: 35051689 DOI: 10.1016/j.jplph.2022.153618] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 05/27/2023]
Abstract
The present review highlights the bioenergetic role of polyamines in plant protection and development and proposes a universal model for describing polyamine-mediated stress responses. Any stress condition induces an excitation pressure on photosystem II by reforming the photosynthetic apparatus. To control this phenomenon, polyamines act directly on the molecular structure and function of the photosynthetic apparatus as well as on the components of the chemiosmotic proton-motive force (ΔpH/Δψ), thus regulating photochemical (qP) and non-photochemical quenching (NPQ) of energy. The review presents the mechanistic characteristics that underline the key role of polyamines in the structure, function, and bioenergetics of the photosynthetic apparatus upon light adaptation and/or under stress conditions. By following this mechanism, it is feasible to make stress-sensitive plants to be tolerant by simply altering their polyamine composition (especially the ratio of putrescine to spermine), either chemically or by light regulation.
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Affiliation(s)
- Eleni Navakoudis
- Department of Biology, University of Crete, Voutes University Campus, 70013, Heraklion, Greece; Department of Chemical Engineering, Cyprus University of Technology, 3603, Limassol, Cyprus
| | - Kiriakos Kotzabasis
- Department of Biology, University of Crete, Voutes University Campus, 70013, Heraklion, Greece.
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Elagamey E, Abellatef MA, Arafat MY. Proteomic insights of chitosan mediated inhibition of Fusarium oxysporum f. sp. cucumerinum. J Proteomics 2022; 260:104560. [DOI: 10.1016/j.jprot.2022.104560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 03/10/2022] [Accepted: 03/14/2022] [Indexed: 11/28/2022]
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Takahashi I, Ota T, Asami T. Function of hydroxycinnamoyl spermidines in seedling growth of Arabidopsis. Biosci Biotechnol Biochem 2022; 86:294-299. [PMID: 34958361 DOI: 10.1093/bbb/zbab223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 12/18/2021] [Indexed: 11/13/2022]
Abstract
Hydroxycinnamic acid amides are involved in various developmental processes as well as in biotic and abiotic stress responses. Among them, the presence of spermidine derivatives, such as N1,N8-di(coumaroyl)-spermidine and N1,N8-di(sinapoyl)-spermidine, and their biosynthetic genes have been reported in Arabidopsis, but their functions in plants are still unknown. We chemically synthesized the above-mentioned spermidine derivatives to assess their physiological functions in Arabidopsis. We evaluated the growth and development of chemically treated Arabidopsis and demonstrated that these compounds inhibited seed germination, hypocotyl elongation, and primary root growth, which could be due to modulation of plant hormone homeostasis and signaling. The results suggest that these compounds are regulatory metabolites that modulate plant growth and development.
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Affiliation(s)
- Ikuo Takahashi
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Tsuyoshi Ota
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
| | - Tadao Asami
- Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan
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40
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Response of Tomato-Pseudomonas Pathosystem to Mild Heat Stress. HORTICULTURAE 2022. [DOI: 10.3390/horticulturae8020174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Higher plants suffer from mild heat stress when temperatures increase by 5 °C above optimum growth temperatures. This produces changes at the cellular and metabolic levels, allowing plants to adapt to heat conditions. This study investigated an increase of 5 °C above the optimum growth temperature (26 °C) of tomato plants in the tomato–Pseudomonas syringae pv. tomato pathosystem. A temperature increase above 26 °C affects plant development, the defensive pathways activated against Pseudomonas syringae pv. tomato strain DC3000 (PstDC3000), and the bacterial growth and virulence machinery. The results demonstrated that tomato plants were able to acclimate to mild heat stress, showing no symptoms of damage. Moreover, plants subjected to a 5 °C increase (T31 °C plants) showed higher basal levels of metabolites such as proline and putrescine, which probably act as compatible osmolytes. This demonstrates their importance as key components of thermotolerance. When grown under mild heat stress, plants were less susceptible to PstDC3000 and showed increased accumulation of abscisic acid, jasmonic acid-isoleucine, and spermine. In addition, the temperature increase negatively affected the infectivity of PstDC3000. Inhibition of the genes responsible for quorum sensing establishment and synthesis of flagellin and coronatine was observed in bacteria extracted from T31 °C plants. Analysis of the genes involved in the synthesis of the type III secretion system indicates the important role of this system in bacterial growth under these conditions. As the known resistance mechanisms involved in the defense against PstDC3000 were not activated, the changes in its virulence mechanisms under high temperatures may explain the lower infection observed in the T31 °C plants.
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Wu C, Wang H, Liu Z, Xu B, Li Z, Song P, Chao Z. Untargeted Metabolomics Coupled with Chemometrics for Leaves and Stem Barks of Dioecious Morus alba L. Metabolites 2022; 12:metabo12020106. [PMID: 35208181 PMCID: PMC8874686 DOI: 10.3390/metabo12020106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/17/2022] [Accepted: 01/18/2022] [Indexed: 02/06/2023] Open
Abstract
The differences in metabolites in male and female individuals of dioecious Morus alba L. (Moraceae) are usually ignored and lack study. In the present study, 58 leaves and 61 stem barks from male and female individuals were analyzed by untargeted metabolomics via headspace solid-phase microextraction gas chromatography-mass spectrometry (HS-SPME-GC-MS) coupled with chemometrics, including principal component analysis (PCA) and orthogonal partial least squares-discriminant analysis (OPLS-DA). A total of 66 and 44 metabolites were identified from leaves and stem barks, respectively. Four and eight differential metabolites among candidate metabolites in leaves and stem barks from male and female individuals were identified. Moreover, females possessed stronger antioxidant activity than males. This is the first report where untargeted metabolomics coupled with chemometrics was used to analyze the different metabolites and to discriminate the gender of leaves and stem barks of dioecious M. alba. It provided the basis for further study of M. alba and reference value for researching dioecious plants.
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Unravelling the multi-faceted regulatory role of polyamines in plant biotechnology, transgenics and secondary metabolomics. Appl Microbiol Biotechnol 2022; 106:905-929. [PMID: 35039927 DOI: 10.1007/s00253-021-11748-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 12/11/2021] [Accepted: 12/14/2021] [Indexed: 11/02/2022]
Abstract
Polyamines (PAs) are ubiquitous low-molecular-weight, aliphatic compounds with wide as well as complex application in fundamental areas of plant growth and development. PAs are mediator of basic metabolism of organisms which include cell division and differentiation, biotic and abiotic stress tolerance, reversal of oxidative damage, stabilization of nucleic acids, and protein and phospholipid binding. In plants, it attributes in direct and indirect organogenesis, endogenous phytohormone regulation, cellular compartmentalization, fruit and flower development, senescence, and secondary metabolite production which are highly tuned as first line of defense response. There are several aspects of polyamine-directed mechanism that regulate overall plant growth in vitro and in vivo. In the present review, we have critically discussed the role played by polyamine on the enhanced production of bioactive natural products and how the same polyamines are functioning against different environmental stress conditions, i.e., salinity, drought, high CO2 content, herbivory, and physical wounding. The role of polyamines on elicitation process has been highlighted previously, but it is important to note that its activity as growth regulator under in vitro condition is correlated with an array of intertwined mechanism and physiological tuning. Medicinal plants under different developmental stages of micropropagation are characterized with different functional aspects and regulatory changes during embryogenesis and organogenesis. The effect of precursor molecules as well as additives and biosynthetic inhibitors of polyamines in rhizogenesis, callogenesis, tuberization, embryogenesis, callus formation, and metabolite production has been discussed thoroughly. The beneficial effect of exogenous application of PAs in elicitation of secondary metabolite production, plant growth and morphogenesis and overall stress tolerance are summarized in this present work. KEY POINTS: • Polyamines (PAs) play crucial roles in in vitro organogenesis. • PAs elicitate bioactive secondary metabolites (SMs). • Transgenic studies elucidate and optimize PA biosynthetic genes coding SMs.
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Wasaya A, Rehman I, Mohi Ud Din A, Hayder Bin Khalid M, Ahmad Yasir T, Mansoor Javaid M, El-Hefnawy M, Brestic M, Rahman MA, El Sabagh A. Foliar application of putrescine alleviates terminal drought stress by modulating water status, membrane stability, and yield- related traits in wheat ( Triticum aestivum L.). FRONTIERS IN PLANT SCIENCE 2022; 13:1000877. [PMID: 37151567 PMCID: PMC10160385 DOI: 10.3389/fpls.2022.1000877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Accepted: 12/29/2022] [Indexed: 05/09/2023]
Abstract
Drought stress is one of the major limitations to the growth and yield productivity of cereal crops. It severely impairs the early growing and grain -filling stages of wheat. Therefore, cost- effective and eco-friendly approaches for alleviating drought stress in cereal crops are in high demand. Polyamines, such as putrescine, have a significant effect on improving crop yield under drought- stress conditions. Therefore, the current study was executed with the aim of exploring the significance of putrescine in alleviating drought stress and improving yield- related traits in wheat. Two distinct wheat cultivars (Fakhar-e-Bhakkar and Anaj-2017) were treated with the foliar application of different concentrations (control, 0.5, 1.0, and 1.5 PPM) of putrescine (put) under two moisture conditions (well- watered and terminal drought stress). The results demonstrate that the imposition of terminal drought stress significantly reduces different physiological and yield- related traits of both wheat cultivars. The reduction of relative water content (RWC%), membrane stability index (MSI), leaf area, tillers per plant, biomass yield, number of spikelets per spike, 100-grain weight, grain yield per plant, and straw yield was greater in Anaj-2017 than in Fakhar-e-Bhakkar cultivar. The results further explain that the foliar application of increased concentrations of putrescine from 0.0 to 1.0 PPM gradually improved physiological and yield traits, whereas these traits declined with the application of putrescine at the highest dose (1.5 PPM). The exogenous application of 1.0 PPM putrescine improved the relative water content (19.76%), specific leaf area (41.47%), and leaf area ratio (35.84%) compared with the controlled treatment. A higher grain yield (28.0 g plant-1) and 100-grain weight (3.8 g) were obtained with the foliar application of 1.0 PPM putrescine compared with controlled treatments. The findings of this study confirm the protective role of putrescine against terminal drought stress. It is therefore recommended to use putrescine at a concentration of 1.0 PPM, which could help alleviate terminal drought stress and attain better wheat yield.
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Affiliation(s)
- Allah Wasaya
- Department of Agronomy, Bahauddin Zakariya University Multan, Multan, Pakistan
- College of Agriculture, University of Layyah, Layyah, Pakistan
- *Correspondence: Allah Wasaya, ; Marian Brestic, ; Ayman El Sabagh,
| | - Iqra Rehman
- Department of Agronomy, Bahauddin Zakariya University Multan, Multan, Pakistan
- College of Agriculture, University of Layyah, Layyah, Pakistan
| | - Atta Mohi Ud Din
- National Research Center of Intercropping , The Islamia University of Bahawalpur, Multan, Pakistan
| | | | | | | | - Mohamed El-Hefnawy
- Department of Chemistry, Rabigh College of Sciences and Arts, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Marian Brestic
- Department of Plant Physiology, Slovak University of Agriculture, Nitra, Slovakia
- *Correspondence: Allah Wasaya, ; Marian Brestic, ; Ayman El Sabagh,
| | - Md Atikur Rahman
- Grassland and Forage Division, National Institute of Animal Science, Rural Development Administration, Cheonan, Republic of Korea
| | - Ayman El Sabagh
- Department of Agronomy, Faculty of Agriculture, Kafrelsheikh University, Kafr al-Sheik, Egypt
- Department of Field Crops, Faculty of Agriculture, Siirt University, Siirt, Türkiye
- *Correspondence: Allah Wasaya, ; Marian Brestic, ; Ayman El Sabagh,
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Alves da Costa Ribeiro Quintans IL, Alves da Costa Ribeiro Souza J, Deyholos MK. Orbitides and free polyamines have similarly limited fungicidal activity against three common pathogens of flax in vitro. Facets (Ott) 2022. [DOI: 10.1139/facets-2021-0201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Fusarium oxysporum f. sp. lini and Septoria linicola are causes of fusarium wilt and pasmo in flax ( Linum usitatissimum). Members of a third fungal genus, Alternaria spp., have also been found in fiber and linseed varieties of flax, and are a source of post-harvest spoilage and mycotoxins in a wide range of crops. We performed a microdilution assay and calculated the median effective concentration (EC50) to compare the potency of cyclolinopeptides (CLPs), two polyamines (spermidine and spermine), and the fungicide carbendazimin in the control of three fungi that have potential pathogenic activity ( F. oxysporum, S. linicola, and Alternaria spp), of which the first two are particulary significant causes of disease in flax. For carbendazim, all EC50 values were <0.6 μg/mL. The observed EC50 ranged from 111 to 340 μg/mL for a mixture of six unique CLPs, 109 to 778 μg/mL for spermine, and 21 to 272 μg/mL for spermidine. Spermidine was most effective against Alternaria sp., with an EC50 of 21 μg/mL. The results presented here showed that polyamines and CLPs possess limited antifungal activities against several fungi, with spermidines the most effective naturally occurring compound tested. Our findings do not support the hypothesis that CLPs act as potent antifungals against the three species of pathogens tested.
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Affiliation(s)
| | | | - Michael K Deyholos
- IK Barber School of Arts and Sciences, University of British Columbia, Kelowna, BC V1V 1V7, Canada
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The effect of exogenous spermine application on some biochemichal and molecular properties in hordeum vulgare l. under both normal and drought stress. Biologia (Bratisl) 2021. [DOI: 10.1007/s11756-021-00967-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Translational and post-translational regulation of polyamine metabolic enzymes in plants. J Biotechnol 2021; 344:1-10. [PMID: 34915092 DOI: 10.1016/j.jbiotec.2021.12.004] [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: 04/01/2021] [Revised: 09/19/2021] [Accepted: 12/03/2021] [Indexed: 10/19/2022]
Abstract
Polyamines are small organic and basic polycations that perform essential regulatory functions in all living organisms. Fluctuations in polyamine content have been observed to occur during growth, development and under stress conditions, implying that polyamines play pivotal roles in diverse cellular and physiological processes. To achieve polyamine homeostasis, the entire metabolic pathway is subjected to a fine-tuned regulation of its biosynthetic and catabolic genes and enzymes. In this review, we describe and discuss the most important mechanisms implicated in the translational and post-translational regulation of polyamine metabolic enzymes in plants. At the translational level, we emphasize the role of polyamines in the modulation of upstream open reading frame (uORF) activities that control the translation of polyamine biosynthetic and catabolic mRNAs. At the post-translational level, different aspects of the regulation of polyamine metabolic proteins are depicted, such as the proteolytic activation of enzyme precursors, the importance of dimerization in protein stability as well as in protein intracellular localization.
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Ahmad H, Maher M, Abdel-Salam EM, Li Y, Yang C, ElSafty N, Ewas M, Nishawy E, Luo J. Integrated de novo Analysis of Transcriptional and Metabolic Variations in Salt-Treated Solenostemma argel Desert Plants. FRONTIERS IN PLANT SCIENCE 2021; 12:744699. [PMID: 34868128 PMCID: PMC8640078 DOI: 10.3389/fpls.2021.744699] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/14/2021] [Indexed: 06/01/2023]
Abstract
Solenostemma argel (Delile) Hayne is a desert plant that survives harsh environmental conditions with several vital medicinal properties. Salt stress is a major constraint limiting agricultural production around the globe. However, response mechanisms behind the adaptation of S. argel plants to salt stress are still poorly understood. In the current study, we applied an omics approach to explore how this plant adapts to salt stress by integrating transcriptomic and metabolomic changes in the roots and leaves of S. argel plants under salt stress. De novo assembly of transcriptome produced 57,796 unigenes represented by 165,147 transcripts/isoforms. A total of 730 differentially expressed genes (DEGs) were identified in the roots (396 and 334 were up- and down-regulated, respectively). In the leaves, 927 DEGs were identified (601 and 326 were up- and down-regulated, respectively). Gene ontology and Kyoto Encyclopedia of Genes And Genomes pathway enrichment analyses revealed that several defense-related biological processes, such as response to osmotic and oxidative stress, hormonal signal transduction, mitogen-activated protein kinase signaling, and phenylpropanoid biosynthesis pathways are the potential mechanisms involved in the tolerance of S. argel plants to salt stress. Furthermore, liquid chromatography-tandem mass spectrometry was used to detect the metabolic variations of the leaves and roots of S. argel under control and salt stress. 45 and 56 critical metabolites showed changes in their levels in the stressed roots and leaves, respectively; there were 20 metabolites in common between the roots and leaves. Differentially accumulated metabolites included amino acids, polyamines, hydroxycinnamic acids, monolignols, flavonoids, and saccharides that improve antioxidant ability and osmotic adjustment of S. argel plants under salt stress. The results present insights into potential salt response mechanisms in S. argel desert plants and increase the knowledge in order to generate more tolerant crops to salt stress.
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Affiliation(s)
- Hasan Ahmad
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
- National Gene Bank, Agricultural Research Center, Giza, Egypt
| | - Mohamed Maher
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Eslam M. Abdel-Salam
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Yufei Li
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
| | - Chenkun Yang
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
| | - Nagwa ElSafty
- Plant Genetics Resources Department, Desert Research Center, Cairo, Egypt
| | - Mohamed Ewas
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
- Plant Genetics Resources Department, Desert Research Center, Cairo, Egypt
| | - Elsayed Nishawy
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
- Plant Genetics Resources Department, Desert Research Center, Cairo, Egypt
| | - Jie Luo
- National Key Laboratory of Crop Genetic Improvement and National Center of Plant Gene Research (Wuhan), Huazhong Agricultural University, Wuhan, China
- College of Tropical Crops, Hainan University, Haikou, China
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Salinity Stress: Toward Sustainable Plant Strategies and Using Plant Growth-Promoting Rhizobacteria Encapsulation for Reducing It. SUSTAINABILITY 2021. [DOI: 10.3390/su132212758] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Salinity is one of the most important abiotic stresses that influences plant growth and productivity worldwide. Salinity affects plant growth by ionic toxicity, osmotic stress, hormonal imbalance, nutrient mobilization reduction, and reactive oxygen species (ROS). To survive in saline soils, plants have developed various physiological and biochemical strategies such as ion exchange, activation of antioxidant enzymes, and hormonal stimulation. In addition to plant adaption mechanisms, plant growth-promoting rhizobacteria (PGPR) can enhance salt tolerance in plants via ion homeostasis, production of antioxidants, ACC deaminase, phytohormones, extracellular polymeric substance (EPS), volatile organic compounds, accumulation of osmolytes, activation of plant antioxidative enzymes, and improvement of nutrients uptake. One of the important issues in microbial biotechnology is establishing a link between the beneficial strains screened in the laboratory with industry and the consumer. Therefore, in the development of biocontrol agents, it is necessary to study the optimization of conditions for mass reproduction and the selection of a suitable carrier for their final formulation. Toward sustainable agriculture, the use of appropriate formulations of bacterial agents as high-performance biofertilizers, including microbial biocapsules, is necessary to improve salt tolerance and crop productivity.
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Gao C, Sheteiwy MS, Lin C, Guan Y, Ulhassan Z, Hu J. Spermidine Suppressed the Inhibitory Effects of Polyamines Inhibitors Combination in Maize ( Zea mays L.) Seedlings under Chilling Stress. PLANTS (BASEL, SWITZERLAND) 2021; 10:plants10112421. [PMID: 34834784 PMCID: PMC8620270 DOI: 10.3390/plants10112421] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/03/2021] [Accepted: 11/04/2021] [Indexed: 05/07/2023]
Abstract
Chilling stress greatly inhibited the seed germination, plant growth, development and productivity in this study. The current research aimed to study the effects of different polyamine (PA) inhibitor combinations (Co), e.g., D-arginine (D-Arg), difluoromethylormithine (DFMO), aminoguanidine (Ag) and methylglyoxyl-bis-(guanyhydrazone) (MGBG) at different doses, i.e., 10 µM Co, 100 µM Co, 500 µM Co, 1000 µM Co and 1000 µM Co + 1 mM Spd (Spermidine) in two inbred lines of maize (Zea mays L.), i.e., Mo17 and Huang C, a sensitive and tolerant chilling stress, respectively. The combination treatments of PA inhibitors reduced the biosynthesis of putrescine (Put) in the tissues of both studied inbred lines. Application with 500 µM Co and 1000 µM Co did not result in a significant difference in Put concentrations, except in the coleoptile of Mo17. However, combining Spd to 1000 μM of PA inhibitors enhanced the Put, Spd, spermine (Spm) and total PAs in the roots, coleoptile and mesocotyls. Put and total PAs were increased by 39.7% and 30.54%, respectively, when Spd + 1000 µM Co were applied relative to their controls. Chilling stress and PA inhibitors treatments affected both inbred lines and resulted in differences in the PA contents. Results showed that enzymes involved in the biosynthesis of PAs (ornithine decarboxylase as ODC and S-adenosylmethionine decarboxylase as SAMDC) were significantly downregulated by 1000 µM Co in the tissues of both inbred lines. In contrast, the activity of PAO, a Pas degradation enzyme, was significantly improved by 1000 µM Co under chilling stress. However, Spd + 1000 µM Co significantly improved the activities of ODC and SAMDC and their transcript levels (ODC and SAMDC2). While it significantly downregulated the PAO activity and their relative genes (PAO1, PAO2 and PAO3) under chilling stress. Overall, this study elucidates the specific roles of Spd on the pathway of PA inhibitors and PA biosynthesis metabolism in maize seed development in response to chilling stress. Moreover, the Huang C inbred line was more tolerant than Mo17, which was reflected by higher activities of PA biosynthesis-related enzymes and lower activities of PAs' degradative-related enzymes in Huang C.
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Affiliation(s)
- Canhong Gao
- College of Agriculture, Anhui Agricultural University, Hefei 230036, China;
- Seed Science Center, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China;
| | - Mohamed S. Sheteiwy
- Department of Agronomy, Faculty of Agriculture, Mansoura University, Mansoura 35516, Egypt;
| | - Chen Lin
- Seed Science Center, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China;
| | - Yajing Guan
- Seed Science Center, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China;
- Correspondence: (Y.G.); (J.H.)
| | - Zaid Ulhassan
- Laboratory of Spectroscopy Sensing, Institute of Crop Science, Ministry of Agriculture and Rural Affairs, Zhejiang University, Hangzhou 310058, China;
| | - Jin Hu
- Seed Science Center, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou 310058, China;
- Correspondence: (Y.G.); (J.H.)
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Improving water deficit tolerance of Salvia officinalis L. using putrescine. Sci Rep 2021; 11:21997. [PMID: 34753954 PMCID: PMC8578639 DOI: 10.1038/s41598-021-00656-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 10/14/2021] [Indexed: 12/13/2022] Open
Abstract
To study the effects of foliar application of putrescine (distilled water (0), 0.75, 1.5, and 2.25 mM) and water deficit stress (20%, 40%, 60%, and 80% available soil water depletion (ASWD)) on the physiological, biochemical, and molecular attributes of Salvia officinalis L., a factorial experiment was performed in a completely randomized design with three replications in the growth chamber. The results of Real-Time quantitative polymerase chain reaction (qRT-PCR) analysis showed that putrescine concentration, irrigation regime, and the two-way interaction between irrigation regime and putrescine concentration significantly influenced cineole synthase (CS), sabinene synthase (SS), and bornyl diphosphate synthase (BPPS) relative expression. The highest concentration of 1,8-cineole, camphor, α-thujone, β-thujone, CS, SS, and BPPS were obtained in the irrigation regime of 80% ASWD with the application of 0.75 mM putrescine. There was high correlation between expression levels of the main monoterpenes synthase and the concentration of main monoterpenes. The observed correlation between the two enzyme activities of ascorbate peroxidase (APX) and catalase (CAT) strongly suggests they have coordinated action. On the other hand, the highest peroxidase (PO) and superoxide dismutase (SOD) concentrations were obtained with the application of 0.75 mM putrescine under the irrigation regime of 40% ASWD. Putrescine showed a significant increase in LAI and RWC under water deficit stress. There was an increasing trend in endogenous putrescine when putrescine concentration was increased in all irrigation regimes. Overall, the results suggest that putrescine may act directly as a stress-protecting compound and reduced H2O2 to moderate the capacity of the antioxidative system, maintain the membrane stability, and increase secondary metabolites under water deficit stress.
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