Physiologia plantarum最新文献_第6页

Dynamic Relocalization and Divergent Expression of a Major Facilitator Carrier Subfamily in Diatoms. 硅藻中一个主要助剂载体亚族的动态再定位和发散表达。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70355

Shun Liu, Victoria Powell, Shun-Min Yang, France Lam, Chris Bowler, Miroslav Obornik, Richard G Dorrell

{"title":"Dynamic Relocalization and Divergent Expression of a Major Facilitator Carrier Subfamily in Diatoms.","authors":"Shun Liu, Victoria Powell, Shun-Min Yang, France Lam, Chris Bowler, Miroslav Obornik, Richard G Dorrell","doi":"10.1111/ppl.70355","DOIUrl":"10.1111/ppl.70355","url":null,"abstract":"Eukaryotic organisms, including microbial members such as protists and green algae, utilize suites of transporter proteins to move essential metabolites across cell organelle membranes. Amongst these different transporter families, the mitochondrial carrier family (MCF) is one of the most diverse, encompassing essential NAD+ and ADP/ATP translocators, as well as amino acid, sugar and cofactor transporters. They are typically associated with the mitochondrial inner membrane, but some display more dynamic localization. Here, we perform a census of predicted MCF domains in the genome of the model diatom alga Phaeodactylum tricornutum, identifying a new family of three proteins (termed here and elsewhere \"MCFc\") with strong internal sequence conservation but limited similarity to other MCF proteins encoded in its genome. Considering both phylogenetic data and experimental localization, we posit that MCFc is widespread across algae with complex red chloroplasts alongside some primary green algae, and contains multiple subfamilies targeted to diatom mitochondria, plastids, and endomembranes. Finally, using data from Tara Oceans, we identify putative roles for MCFc in diatom cells, including a possible association of the plastid-targeted Phatr3_J46742 subfamily in cellular nitrate assimilation. Our data provide insights into the evolutionary diversification of the membrane transport mechanisms associated with diatoms and other eukaryotic algae.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70355"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144369143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Influence of Bisphenol A on Parsley: A Biochemical and Metabolomics Integrative Perspective. 双酚A对欧芹的影响：生化和代谢组学的综合视角。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70262

Hajar Salehi, Leilei Zhang, Fevzi Elbasan, Gokhan Zengin, Busra Arikan-Abdulveli, Melike Balci, Aysegul Yildiztugay, Ceyda Ozfidan-Konakci, Evren Yildiztugay, Luigi Lucini

{"title":"The Influence of Bisphenol A on Parsley: A Biochemical and Metabolomics Integrative Perspective.","authors":"Hajar Salehi, Leilei Zhang, Fevzi Elbasan, Gokhan Zengin, Busra Arikan-Abdulveli, Melike Balci, Aysegul Yildiztugay, Ceyda Ozfidan-Konakci, Evren Yildiztugay, Luigi Lucini","doi":"10.1111/ppl.70262","DOIUrl":"https://doi.org/10.1111/ppl.70262","url":null,"abstract":"Bisphenol A (BPA), a widely used industrial chemical, poses environmental concerns due to its persistence and potential effects on plant systems. This study examines the impact of three BPA exposure levels on parsley plants, focusing on physiological, biochemical, and metabolomic responses. BPA exposure significantly shaped the plant's defense mechanisms, mainly through increased phenolic (up to 16.81%) and flavonoid (up to 37.94%) accumulation compared to the control group, which, in turn, enhanced antioxidant activity [up to 34% in 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 51% in cupric reducing antioxidant capacity (CUPRAC)]. A moderate correlation between phenolic content and radical scavenging ability [R: 0.61 for DPPH and R: 0.44 for 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS)] highlights phenolics' role in mitigating BPA-induced oxidative stress. Low BPA concentrations stimulated gas exchange and photosynthesis, while higher levels (≥3 mg/L) disrupted these processes, causing physiological damage, especially in stomatal conductance (gs) and photochemical efficiency (Fv/Fo). Metabolomic profiling revealed concentration-dependent shifts in secondary metabolism, lipid biosynthesis, and stress-response pathways. At higher BPA levels, plants elicited defense mechanisms, such as flavonoids (rhamnetin, luteolin-7-O-β-D-glucronide, and quercetin-7-O-glucoside) and anthocyanin pathways, to tackle oxidative stress, though these systems became overwhelmed. Our findings show that while parsley can initially adapt to low BPA exposure, higher concentrations compromise its physiological and metabolic balance, threatening plant health and productivity.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70262"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144027472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

2,4-Epibrassinolide Alleviates cd Toxicity in Vigna angularis by Boosting Antioxidant Defense, Detoxification, and Genome Stability. 2,4-表油菜素内酯通过增强抗氧化防御、解毒和基因组稳定性来减轻角藤的cd毒性。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70288

Zihan Tang, Hetong Wang, Suyu Chen, Xianpeng Wang, Jialin Hou, Yuxian Zhang, Qiang Zhao

{"title":"2,4-Epibrassinolide Alleviates cd Toxicity in Vigna angularis by Boosting Antioxidant Defense, Detoxification, and Genome Stability.","authors":"Zihan Tang, Hetong Wang, Suyu Chen, Xianpeng Wang, Jialin Hou, Yuxian Zhang, Qiang Zhao","doi":"10.1111/ppl.70288","DOIUrl":"https://doi.org/10.1111/ppl.70288","url":null,"abstract":"Cadmium is one of the most toxic heavy metal pollutants in the world, seriously affecting crop growth and human health. 2,4-Epibrassinolide (BRs) has been proven to promote plant growth, enhance abiotic stress resistance and improve crop quality and yield. In this study, adzuki bean (V. angularis) cultivar 'Zhen Zhuhong' was grown hydroponically in 1/2 Hoagland nutrient solution with 0, 1, and 2 mg L-1 cadmium chloride (CdCl2), and then treated with 0 or 1 μM BR at the V1 stage. Compared with Cd stress, ascorbic acid content, peroxidase (POD, EC 1.11.1.7), catalase (CAT, EC 1.11.1.6) and superoxide dismutase (SOD, EC1.15.1.1) activities in adzuki Cd-stressed bean roots under BR treatment were increased by 30.63%, 41.83%, 51.49%, and 29.48%, which alleviated intracellular ROS accumulation and DNA oxidative damage. In addition, proline content and free amino acid content in BR-treated adzuki bean seedling roots under Cd stress increased by 30.37% and 35.96%, which was conducive to maintaining cell membrane homeostasis and improving root activity. RNA-seq and real-time quantitative reverse transcription PCR analyses revealed that BR treatment regulates the absorption, transport, and accumulation processes of Cd2+ in adzuki bean seedling roots, reducing the nonspecific accumulation of Cd2+ within cells and alleviating the toxic effects of Cd on root cells. BR treatment enhances the DNA damage repair in the roots of adzuki beans under Cd stress by reducing the extent of DNA oxidative damage, and effectively promoting the transition of cells from the G1 phase to the S phase.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70288"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144173195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Urea Cycle in Connection to Polyamine Metabolism in Higher Plants: New Perspectives on a Central Pathway. 高等植物尿素循环与多胺代谢的关系：中央途径的新视角

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70321

J Buezo, M Urra, E M González, R Alcázar, D Marino, J F Moran

{"title":"The Urea Cycle in Connection to Polyamine Metabolism in Higher Plants: New Perspectives on a Central Pathway.","authors":"J Buezo, M Urra, E M González, R Alcázar, D Marino, J F Moran","doi":"10.1111/ppl.70321","DOIUrl":"10.1111/ppl.70321","url":null,"abstract":"The ornithine-urea cycle is a biochemical pathway primarily found in animals, where it plays a crucial role in the re-assimilation of ammonium and the removal of excess nitrogen in the form of urea. In lower photosynthetic eukaryotes, it contributes to metabolic responses during episodes of high nitrogen availability. In higher plants, although historically overlooked, compelling evidence indicates the pivotal role of the urea cycle in different aspects of plant physiology and metabolism. In particular, it is associated with the metabolism of polyamines during stress. Unlike in animals and lower photosynthetic eukaryotes, in higher plants, the urea cycle is not complete due to the lack of the carbamoyl phosphate synthase-I enzyme that incorporates ammonium into the cycle. Higher plants only possess a type-II carbamoyl phosphate synthase-II that introduces glutamine into the cycle, which is also metabolically linked to arginine and polyamine metabolism. Putrescine accumulation is a metabolic hallmark of different types of abiotic stresses, such as drought, salinity, ammonium stress, iron and phosphorus deficiency, and low temperatures. Notably, the exogenous application of polyamines, such as putrescine or spermine, enhances tolerance to abiotic stress, a process in which the free radical nitric oxide appears to play a role. Overall, this review article attempts to bring together the current knowledge on the functionality of the constituent enzymes and metabolites of the urea cycle and discuss the importance of this pathway in relation to the metabolism of polyamine in higher plants.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70321"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12163876/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144286127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Anaerobic-Aerobic Swerve in Arsenic-Stressed Deepwater Rice Genotype Under Submergence. 水下砷胁迫下深水水稻基因型的厌氧-好氧转向。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70272

Asna Khan, Narjis Saba Khatoon, Jyothilakshmi Vadassery, Meetu Gupta

{"title":"Anaerobic-Aerobic Swerve in Arsenic-Stressed Deepwater Rice Genotype Under Submergence.","authors":"Asna Khan, Narjis Saba Khatoon, Jyothilakshmi Vadassery, Meetu Gupta","doi":"10.1111/ppl.70272","DOIUrl":"10.1111/ppl.70272","url":null,"abstract":"Global floods in arsenic (As)-stressed paddy fields affect rice productivity. Future predictions of flood-related disasters provoke an urge to opt for climate-smart varieties for a secure supply. Thus, this study is designed to present the mechanisms favoring a traditional variety Mini mansoori (M.M) to withstand the dual stress of As and submergence (Sub). The investigation involved the identification of the key attributes regulating the physio-biochemical shifts in 3- and 7-day (d) submerged plants. Our results indicated that at 3 days, gas-film (GF) decrement correlated with reduced photosynthesis and Kreb-cycle enzymes. This, in turn, stimulated anaerobic enzymes, salicylic acid, and gibberellic acid (SA-GA) production, which increased glutamate metabolism through GDH enzyme, ultimately enhancing GABA and proline production to cover the energy gap. Proline dehydrogenase enzyme at 3 days monitored the stabilized proline turnover by catabolizing proline into glutamate while releasing reducing equivalents for additional ATP generation. However, at 7 days, further enhancement in GA content led to shoot elongation. The expanded GF and new leaf emergence recovered the photosynthetic machinery, TCA functioning, sugar reserves, and GABA content via proline homeostasis. This proline metabolic balance accentuated As tolerance and Sub resistance, henceforth presenting M.M. var. as climate smart for future crop improvements.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70272"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144128386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Introduction to the Special Issue in Honor of Eva-Mari Aro. 纪念Eva-Mari Aro的特刊简介。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70322

Cheryl A Kerfeld, Eva-Mari Aro

引用次数: 0

Oligogalacturonides Operate as Endogenous Elicitors to Regulate Aluminum Tolerance in Pea (Pisum sativum). 低聚半乳糖醛酸酯作为内源激发子调控豌豆的铝耐受性。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70326

Xuewen Li, Xiaobei Cao, Zidu Liu, Shuting Liu, Xiaopei Ma, Wangchuan Zhang, Lin Tao, Jiayou Liu, Yingming Feng, Sergey Shabala, Yalin Li, Min Yu

{"title":"Oligogalacturonides Operate as Endogenous Elicitors to Regulate Aluminum Tolerance in Pea (Pisum sativum).","authors":"Xuewen Li, Xiaobei Cao, Zidu Liu, Shuting Liu, Xiaopei Ma, Wangchuan Zhang, Lin Tao, Jiayou Liu, Yingming Feng, Sergey Shabala, Yalin Li, Min Yu","doi":"10.1111/ppl.70326","DOIUrl":"https://doi.org/10.1111/ppl.70326","url":null,"abstract":"Aluminum (Al) toxicity is a major limiting factor leading to crop yield reduction in acidic soils. The pectic polysaccharides, key components of plant cell walls, are considered the primary binding site for Al ions. Oligogalacturonide (OGA), the oligomers of alpha-1,4-linked galacturonosyl residues originating from the degradation of cell wall pectin (homogalacturonan), are able to elicit defense responses and protect plants against biotic stress, such as pathogen infections. However, the involvement of OGA in the plant's response to abiotic stress remains to be elucidated. In this work, we analysed the effects of Al treatment on the endogenous OGA content in pea root tips, as well as the effects of OGA pretreatment on pea root elongation, Al content, and reactive oxygen species (ROS) metabolism, with a working hypothesis being that OGA is causally involved in plant responses to Al toxicity. Hydroponically grown pea (Pisum sativum) plants were used to explore the biological functions of OGA in response to Al toxicity. Our data showed that Al treatment significantly induced the accumulation of endogenous OGA in root tips, primarily in the form of short-chain OGA. Pretreatment with exogenous OGA for 12 h notably improved pea tolerance to Al toxicity, including mitigating Al-induced suppression of root elongation growth and attenuating Al toxicity effects on the root system. OGA also enhanced Al tolerance by regulating redox homeostasis in root tips, reducing Al toxicity-induced accumulation of ROS and by transcriptional upregulation of antioxidant enzyme activities. Overall, this research is the first to demonstrate the role of OGA in plant responses to Al toxicity, offering novel theoretical foundations for understanding plant adaptation to acidic soil conditions.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70326"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144249234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Alternative Oxidase Pathway Participates in Seagrass Seedling Establishment by Regulating Photosynthetic and Respiratory Metabolism. 替代氧化酶途径通过调节光合和呼吸代谢参与海草幼苗形成。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70302

Mengjie Zhang, Litao Zhang, Hu Li, Jing Li, Weiying Luan, Zihao Li, Jianguo Liu

{"title":"The Alternative Oxidase Pathway Participates in Seagrass Seedling Establishment by Regulating Photosynthetic and Respiratory Metabolism.","authors":"Mengjie Zhang, Litao Zhang, Hu Li, Jing Li, Weiying Luan, Zihao Li, Jianguo Liu","doi":"10.1111/ppl.70302","DOIUrl":"https://doi.org/10.1111/ppl.70302","url":null,"abstract":"The roles of the alternative oxidase (AOX) pathway in plant physiology and metabolism are of increasing interest. AOX was found to regulate the growth of Enhalus acoroides seedlings, but its specific mechanism and physiological significance are unclear. In this study, the roles of the AOX pathway during E. acoroides seedling establishment were clarified by investigating the relationships between metabolism and the AOX pathway at the physiological and molecular levels. Results showed that inhibiting the AOX pathway causes the accumulation of reducing equivalents, and further results in the inactivation of the PSII reaction center and destruction of the PSII electron receptor side in E. acoroides seedlings, which decreased photosynthetic activity and increased H2O2 content. Meanwhile, the accumulation of reducing equivalents also restricted mitochondrial respiratory metabolism (including glycolysis, the tricarboxylic acid cycle, the pentose phosphate pathway and oxidative phosphorylation). In addition, when the AOX pathway was inhibited, the gene expressions related to photosynthesis and respiratory metabolism were generally down-regulated. The above results indicate that inhibiting the AOX pathway affected metabolism through disturbing photosynthetic and respiratory metabolic processes, resulting in an inability to satisfy the material (saccharides, proteins, lipids, and nucleotides) and energy requirements of various physiological processes, thus stunting the growth of seagrass seedlings. This study reveals that the AOX pathway accelerates the production of intermediate metabolites in key metabolic pathways through energy redistribution in seagrass, which has a very positive significance for the establishment of seagrass seedlings.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70302"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144249235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

CoHMGR2 as a Critical Regulator of Squalene Biosynthesis Key Period in Camellia oleifera Seed Kernels. CoHMGR2在油茶籽粒角鲨烯合成关键时期的调控作用

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70352

Yiyang Gu, Ziyan Zhu, Yanling Zeng, Xinhai Pan, Mengqi Lu, Xiaoxi Huang, Luyao Ge, Aori Li, Wenyi Bi, Qinhui Du, Heping Cao, Guliang Yang, Xiaofeng Tan

{"title":"CoHMGR2 as a Critical Regulator of Squalene Biosynthesis Key Period in Camellia oleifera Seed Kernels.","authors":"Yiyang Gu, Ziyan Zhu, Yanling Zeng, Xinhai Pan, Mengqi Lu, Xiaoxi Huang, Luyao Ge, Aori Li, Wenyi Bi, Qinhui Du, Heping Cao, Guliang Yang, Xiaofeng Tan","doi":"10.1111/ppl.70352","DOIUrl":"https://doi.org/10.1111/ppl.70352","url":null,"abstract":"Squalene is an extremely valuable medicinal substance. In addition to being valued for its high content of unsaturated fatty acids, Camellia oleifera is also highly regarded for its rich squalene content in the seed kernels. Comparing the squalene contents within Camellia species, it was found that the content in the seed oil of C. oleifera was higher than that of any other species. The squalene content of C. oleifera \"Huashuo\" (ColHS) reached 0.410 mg g-1, which was the highest. However, the squalene content in the seed kernels of ColHS did not increase gradually with the continuous maturation of the fruit. The squalene content reached its peak at 329DAP, about 0.854 mg g-1, and then decreased. With the differentially expressed genes and metabolites in the seed kernels at 329DAP and its surrounding periods, it was found that squalene content was accompanied by variations in secondary metabolites, terpenoids and flavonoids. The mevalonate (MVA) pathway played a significant role in squalene synthesis of ColHS seed kernels. In the MVA pathway, the expression patterns of four CoHMGR genes were consistent with the squalene content level. Among them, CoHMGR2 exhibited a strong correlation with squalene content. The CoHMGR2 was also found co-expressed with genes that had calcium ion-binding functions, playing a role in plant signal transduction. This study offers valuable insights into the relationship between squalene content and C. oleifera seed maturity. It also advances our understanding of the regulatory network of squalene synthesis in C. oleifera.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70352"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144326631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Integrated Molecular Defense Mitigating Salt Stress in Tomatoes Using Synergistic Signaling Molecules. 利用协同信号分子缓解番茄盐胁迫的综合分子防御。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2025-05-01 DOI: 10.1111/ppl.70344

Md Rezaul Karim, Sharmin Sultana, Most Altaf-Un-Nahar, Md Rabiul Islam, Farzana Rahman, Sudipta Joydhar Pretha, Mohammad Golam Azam, Sajad Hussain, Xinghong Yang, Ulkar Ibrahimova, Mohammad Saidur Rhaman, Marian Brestic

{"title":"Integrated Molecular Defense Mitigating Salt Stress in Tomatoes Using Synergistic Signaling Molecules.","authors":"Md Rezaul Karim, Sharmin Sultana, Most Altaf-Un-Nahar, Md Rabiul Islam, Farzana Rahman, Sudipta Joydhar Pretha, Mohammad Golam Azam, Sajad Hussain, Xinghong Yang, Ulkar Ibrahimova, Mohammad Saidur Rhaman, Marian Brestic","doi":"10.1111/ppl.70344","DOIUrl":"https://doi.org/10.1111/ppl.70344","url":null,"abstract":"Salt stress severely compromises agricultural productivity worldwide, necessitating innovative defense strategies. While individual signaling molecules can enhance stress tolerance, their combined potential remains largely unexplored. This study introduces a novel triple-defense approach, investigating the synergistic effects of three signaling molecules (30 mM KNO3, 0.2 mM H2O2, and 30 mM CaCl2) in mitigating 100 mM NaCl-induced salt stress in tomato plants. Our comprehensive analysis revealed that salt stress significantly impaired plant growth parameters, including height, leaf SPAD value, biomass accumulation, and essential nutrient concentrations (K, Ca, Mg, S) in both leaves and roots. Salt stress also disrupted water relations and triggered oxidative stress, evidenced by increased sodium accumulation, hydrogen peroxide (H2O2), and malondialdehyde (MDA) levels. The strategic application of signaling molecules, particularly in combination, effectively counteracted these stress-induced alterations. KNO3 emerged as the most potent individual defender, followed by CaCl2 and H2O2, enhancing growth characteristics and antioxidant defense mechanisms through increased catalase (CAT) and ascorbate peroxidase (APX) activities. Notably, the simultaneous application of all three compounds demonstrated superior efficacy in alleviating salt stress impacts, establishing a robust defense mechanism through improved osmolyte accumulation (proline, soluble sugars) and reduced oxidative damage. This triple-defense strategy presents a promising approach for enhancing salt stress tolerance in tomato cultivation.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"177 3","pages":"e70344"},"PeriodicalIF":5.4,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144326635","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0