Physiology and Molecular Biology of Plants最新文献

筛选
英文 中文
Productive, physiological, and biochemical responses of elephant grass 'BRS Capiaçu' (Pennisetum purpureum Schumach.) under different water regimes with brackish water in a semi-arid environment. 半干旱环境下不同水条件下象草BRS capiau (Pennisetum purpureum Schumach.)的生产、生理和生化反应
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-09-01 Epub Date: 2026-07-21 DOI: 10.1007/s12298-026-01792-6
Lara Rosa de Lima-Silva, Lady Daiane Costa de Sousa Martins, Alexandre Maniçoba da Rosa Ferraz Jardim, Wagner Martins Dos Santos, Pedro Paulo Santos de Souza, Luciana Sandra Bastos de Souza, Cleber Pereira Alves, Agda Raiany Mota Dos Santos, Ênio Farias de França E Silva, Hugo Rafael Bentzen Santos, Wilma Roberta Dos Santos, Carlos André Alves de Souza, Adriano Nascimento Simões, Sérgio Luiz Ferreira-Silva, Elania Freire da Silva, José Francisco da Cruz Neto, Xuguang Tang, João L M P de Lima, Thieres George Freire da Silva
{"title":"Productive, physiological, and biochemical responses of elephant grass 'BRS Capiaçu' (<i>Pennisetum purpureum</i> Schumach.) under different water regimes with brackish water in a semi-arid environment.","authors":"Lara Rosa de Lima-Silva, Lady Daiane Costa de Sousa Martins, Alexandre Maniçoba da Rosa Ferraz Jardim, Wagner Martins Dos Santos, Pedro Paulo Santos de Souza, Luciana Sandra Bastos de Souza, Cleber Pereira Alves, Agda Raiany Mota Dos Santos, Ênio Farias de França E Silva, Hugo Rafael Bentzen Santos, Wilma Roberta Dos Santos, Carlos André Alves de Souza, Adriano Nascimento Simões, Sérgio Luiz Ferreira-Silva, Elania Freire da Silva, José Francisco da Cruz Neto, Xuguang Tang, João L M P de Lima, Thieres George Freire da Silva","doi":"10.1007/s12298-026-01792-6","DOIUrl":"10.1007/s12298-026-01792-6","url":null,"abstract":"<p><p>The seasonality of forage production is one of the main challenges in semi-arid regions, where environmental conditions limit agricultural productivity. One promising option is the use of elephant grass 'BRS Capiaçu', together with deficit irrigation. This study evaluated the impact of different irrigation depths with brackish water (50%, 75%, 100% and 125% of the reference evapotranspiration - ET<sub>0</sub>) on the productive, physiological, photochemical and biochemical aspects of 'BRS Capiaçu' over two cycles. Irrigation with 50% of the ET<sub>0</sub> resulted in lower rates of net photosynthesis (P <sub><i>n</i></sub> ), with a reduction in photosystem II quantum yield (ΔF/Fm'), qP, NPQ and the electron transport rate (ETR), in addition to greater activity of the antioxidant enzymes superoxide dismutase (SOD), catalase (CAT) and ascorbate peroxidase (APX), indicating oxidative stress. The depths of 50% and 100% of the ET<sub>0</sub> resulted in greater dry matter production, for Cycles 1 and 2, respectively, demonstrating the resilience of the crop to water stress, attributed to such mechanisms of acclimatisation as a reduction in transpiration (T <sub><i>r</i></sub> ) and an increase in water use efficiency. These physiological changes were more obvious during Cycle 2, in which the crop was subjected to lower rainfall (47.8 mm), while salt stress was also more pronounced during this period, in response, the plants showed less water loss through transpiration and larger WUE<sub>inst</sub>. It was concluded that 'BRS Capiaçu' has a high capacity for acclimatisation to semi-arid conditions, and stands out as a viable alternative for mitigating the seasonality of forage production and promoting sustainable livestock farming in the region.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 9","pages":"2117-2136"},"PeriodicalIF":3.6,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13526754/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148866323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Exogenous molybdenum mitigates cadmium-induced toxicity in wheat (Triticum turgidum L.) germinating seeds. 外源钼减轻镉对小麦种子萌发的毒性。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-07-11 DOI: 10.1007/s12298-026-01794-4
Leila Khaireddine, Lamia Sakouhi, Oussama Kharbech, Abdelilah Chaoui
{"title":"Exogenous molybdenum mitigates cadmium-induced toxicity in wheat (<i>Triticum turgidum</i> L.) germinating seeds.","authors":"Leila Khaireddine, Lamia Sakouhi, Oussama Kharbech, Abdelilah Chaoui","doi":"10.1007/s12298-026-01794-4","DOIUrl":"10.1007/s12298-026-01794-4","url":null,"abstract":"<p><p>Cadmium (Cd) contamination of agricultural soils represents a serious threat to crop productivity and food security due to its phytotoxic effects. In this context, the present study investigates the protective effects of molybdenum (Mo) against Cd-induced oxidative stress in germinating wheat (<i>Triticum turgidum</i> L.) seeds. Seeds were pretreated with ammonium molybdate at 0, 1, 2, or 3 µM for 12 h before germination under control or Cd stress conditions (400 µM CdCl<sub>2</sub>). Results indicated that 2 µM Mo was most effective at mitigating Cd-induced growth inhibition; therefore, this concentration was selected for physiological analyses. Mo pretreatment reduced Cd accumulation while increasing tissue Mo content, thereby improving the cellular redox state under Cd stress. This was associated with decreased levels of superoxide anions [Formula: see text], hydroxyl radicals (·OH), and hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>). Mo also protected membrane integrity, as indicated by reduced lipoxygenase activity and lower levels of malondialdehyde and 4-hydroxy-2-nonenal, thereby decreasing electrolyte leakage and improving cell viability. Improved redox homeostasis was correlated with enhanced antioxidant enzyme activities, including superoxide dismutase, catalase, ascorbate peroxidase, glutathione peroxidase, and glutathione reductase. Moreover, Mo enhanced methylglyoxal detoxification by stimulating glyoxalase I and II activities, thereby limiting methylglyoxal accumulation. Likewise, Mo regulated the proline content by modulating its metabolism, particularly through the regulation of Δ<sup>1</sup>-pyrroline-5-carboxylate synthase and proline dehydrogenase. These findings highlight the protective role of Mo in mitigating Cd-induced stress, providing insights into potential strategies to enhance seed tolerance to Cd contamination.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1851-1862"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13437829/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Biochemical characteristics and antioxidant potential of Vischeria magna. 大葡萄籽的生化特性及抗氧化潜能。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-07-15 DOI: 10.1007/s12298-026-01795-3
Irina Maltseva, Aleksandr Yakoviichuk, Zinaida Krivova, Svetlana Maltseva, Maxim Kulikovskiy, Yevhen Maltsev
{"title":"Biochemical characteristics and antioxidant potential of <i>Vischeria magna</i>.","authors":"Irina Maltseva, Aleksandr Yakoviichuk, Zinaida Krivova, Svetlana Maltseva, Maxim Kulikovskiy, Yevhen Maltsev","doi":"10.1007/s12298-026-01795-3","DOIUrl":"10.1007/s12298-026-01795-3","url":null,"abstract":"<p><p>This study investigates the biochemical characteristics, antioxidant potential and nutritional parameters of a newly identified eustigmatophycean strain <i>Vischeria magna</i> MZ-E1. The strain showed strong potential to accumulate lipids, vitamins, pigments, and fatty acids, including eicosapentaenoic acid, which has significant commercial value. The identification was based on morphological features, phylogenetic analysis of the 18S rRNA gene. The strain accumulated substantial quantities of lipids (up to 185.03 mg g<sup>- 1</sup> dry weight), vitamins (retinol up to 33.98 µg g<sup>- 1</sup>, α-tocopherol up to 465.87 µg g<sup>- 1</sup>), ascorbic acid (up to 8.12 mg g<sup>- 1</sup>), and carotenoids (up to 1.92 mg g<sup>- 1</sup>), with astaxanthin comprising 12.5-19.4% of total carotenoids. Major fatty acids in the profile included palmitic 16:0, palmitoleic 16:1n-7, and eicosapentaenoic 20:5n-3 acids. Omega-3 fatty acids dominated, accounting for 73.39% and 69.81% in early and late stationary phases, respectively. Transition from exponential to stationary growth phase was accompanied by increased lipid peroxidation and accumulation of secondary lipid degradation products. This led to enhanced synthesis of retinol and α-tocopherol. Overall, <i>Vischeria magna</i> MZ-E1 shows promise as a natural source of biologically active compounds applicable in feed production, pharmaceuticals, nutraceuticals, and cosmetics. Additionally, it could contribute to carbon sequestration and biofixation technologies.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1883-1899"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13437859/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Negative regulators that mitigate abiotic stress sensitivity of rice: insights and future perspectives. 减轻水稻非生物胁迫敏感性的负调节因子:见解和未来展望。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-07-13 DOI: 10.1007/s12298-026-01790-8
Tsering Dickey Bhutia, Shweta Thakur, Shahid Umar, Tapan Kumar Mondal
{"title":"Negative regulators that mitigate abiotic stress sensitivity of rice: insights and future perspectives.","authors":"Tsering Dickey Bhutia, Shweta Thakur, Shahid Umar, Tapan Kumar Mondal","doi":"10.1007/s12298-026-01790-8","DOIUrl":"10.1007/s12298-026-01790-8","url":null,"abstract":"<p><p>Abiotic stresses such as drought, extreme temperatures, salinity, heavy metals, and ultraviolet radiation have severely reduced rice productivity by disrupting cellular balance and physiological processes. Rice plants perceive environmental stress through the complex signaling networks that include phytohormone-mediated pathways, transcriptional regulation, reactive oxygen species, ion transport systems, and post-translational modifications. While numerous studies have been focused on positive regulators that enhance stress tolerance, but emerging evidence also suggest that negative regulators have an equally important role in modulating stress responses and balancing stress tolerance. These regulators have been shown to function at multiple molecular levels, including TFs, protein phosphatases, ubiquitin-proteasome components, signaling repressors, and chromatin-associated modifiers that modulate ABA-dependent and independent stress signaling pathways. This review provides a comprehensive study of negative regulators identified in rice and discusses their physiological impacts on the stomatal regulation, ROS scavenging, ion homeostasis, photosynthetic efficiency, and developmental adaptation. We have further summarized the strategies that are used for the identification of negative regulators through transcriptomic, genetic, and functional genomics approaches. Finally, we highlight emerging opportunities for the manipulation of negative regulatory networks to combat stress tolerance without compromising overall yield, offering future perspectives for developing climate-resilient rice cultivars.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1703-1725"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13438069/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679712","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Salicylic acid enhanced the chromium tolerance in pea (Pisum sativum) by mitigating the oxidative damage and gene expression. 水杨酸通过减轻氧化损伤和基因表达来增强豌豆(Pisum sativum)的耐铬性。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-07-27 DOI: 10.1007/s12298-026-01785-5
Priyanka Yadav, Shruti Jha, Lucky Duhan, Dipti Gahlawat, Asha Sharma, Sandeep Singh
{"title":"Salicylic acid enhanced the chromium tolerance in pea (<i>Pisum sativum</i>) by mitigating the oxidative damage and gene expression.","authors":"Priyanka Yadav, Shruti Jha, Lucky Duhan, Dipti Gahlawat, Asha Sharma, Sandeep Singh","doi":"10.1007/s12298-026-01785-5","DOIUrl":"10.1007/s12298-026-01785-5","url":null,"abstract":"<p><p>Chromium (Cr) is highly toxic to plants, limiting their growth and yield; it further influences the intake and transport of minerals, promotes oxidative stress, and disturbs plant metabolism. Salicylic acid (SA) is a key stress-signalling phytohormone that has been shown to diminish the toxicity of Cr in various species of plants. The present investigation examined the effectiveness of 0.5- and 1-mM SA treatment to ameliorate the impacts of 0.15, 0.3, 1, 2-, and 3-mM Cr stress in Pea (HFP8909) during hydroponic culture. The findings revealed that the presence of SA reduced Cr's harmful effects by enhancing the performance of the antioxidative defense system (Enzymatic: PsSOD, PsCAT, PsAPX, PsGPX, and PsPOX; non-enzymatic: glutathione pool, protein, and phenol content), and by decreasing superoxide radicals and relative membrane permeability. SA treatment in Cr-stressed pea plants boosted the expression of metal chelation-related genes (PsMETII and PsGST), promoting Cr tolerance and decreasing Cr absorption. The expression of photosynthesis-related genes (PsrbcL, PsrbcS, and Pschla/b) was downregulated during Cr stress, but substantially restored by exogenous SA administration. Therefore, the SA treatment may ameliorate Cr toxic effects by restoring the negative impacts of plant development resulting from Cr stress and improving Cr tolerance by altering the expression of metal chelation, photosynthesis, and antioxidant defence-related genes.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1863-1881"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13438047/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
ROS regulate pollen germination and tube growth in Betula platyphylla with involvement of H2O2 and polyamine oxidase BpPAO2. 活性氧通过H2O2和多胺氧化酶BpPAO2调控白桦花粉萌发和管材生长。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-07-11 DOI: 10.1007/s12298-026-01788-2
Chaoning Zhao, Wendi Mu, Jiaqi Shi, Jiayuan Shi, Bello Hassan Jakada, Gege Dou, Taihe Zhao, Huiyi Xie, Siyu Dong, Ying Wu, Xingguo Lan
{"title":"ROS regulate pollen germination and tube growth in <i>Betula platyphylla</i> with involvement of H<sub>2</sub>O<sub>2</sub> and polyamine oxidase BpPAO2.","authors":"Chaoning Zhao, Wendi Mu, Jiaqi Shi, Jiayuan Shi, Bello Hassan Jakada, Gege Dou, Taihe Zhao, Huiyi Xie, Siyu Dong, Ying Wu, Xingguo Lan","doi":"10.1007/s12298-026-01788-2","DOIUrl":"10.1007/s12298-026-01788-2","url":null,"abstract":"<p><p>Reactive oxygen species (ROS) function as important signaling molecules during pollen germination and pollen tube growth, however, the mechanisms coordinating ROS production in <i>Betula platyphylla</i> pollen tubes remain unclear. In this study, we combined fluoresence imaging, ROS scavengers treatments, transcriptome analysis, and antisence oligonucleotide-mediated knock down to investigate ROS dynamics and their regulatory basis during birch pollen tube development. ROS signals were detected in pollen grains and became enriched at the tips of elongating pollen tubes. Scavenging of O<sub>2</sub> <sup>·-</sup> significantly reduced tip-localized ROS accumulation, and impaired pollen germination and tube elongation. This indicating that balanced ROS production is required for normal pollen tube growth. To find the key regulator of ROS, we performed RNA-Seq for three stages of birch pollen tube development. Weighted gene co-expression network analysis (WGCNA) identified a ROS-enriched module highly associated with pollen tube growth, incorporating oxidoreductase genes distributed across mitochondria, chloroplasts, peroxisomes, endoplasmic reticulum, cytoplasm, and the apoplast. qRT-PCR validation confirmed coordinated activation of multiple ROS-related genes. Among these, the expression level of <i>BpPAO2</i> which encoding a polyamine oxidase shows progressively increasing during three stages. Targeted inhibition of <i>BpPAO2</i> through antisense oligonucleotides significantly decreased its transcript level and PAO activity, diminished H<sub>2</sub>O<sub>2</sub> accumulation in the pollen tube, and strongly disrupted pollen germination and tube elongation. Our findings establish BpPAO2-mediated H<sub>2</sub>O<sub>2</sub> production as a key regulator of pollen tube growth in <i>B. platyphylla</i>.</p><p><strong>Supplementary information: </strong>The online version contains supplementary material available at 10.1007/s12298-026-01788-2.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1835-1849"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13437862/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
MYB transcription factors in plant cold stress adaptation: integrating phylogeny, signaling networks, and metabolic regulation. MYB转录因子在植物冷胁迫适应中的作用:整合系统发育、信号网络和代谢调节。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-07-24 DOI: 10.1007/s12298-026-01798-0
Hao Zhang, Yao Yao, Bing Liu, Xiuyun Wang, Yiping Xia, Hong Zhou
{"title":"MYB transcription factors in plant cold stress adaptation: integrating phylogeny, signaling networks, and metabolic regulation.","authors":"Hao Zhang, Yao Yao, Bing Liu, Xiuyun Wang, Yiping Xia, Hong Zhou","doi":"10.1007/s12298-026-01798-0","DOIUrl":"10.1007/s12298-026-01798-0","url":null,"abstract":"<p><p>MYB transcription factors are pivotal regulators of plant cold acclimation, yet current knowledge about cold-tolerance-related MYBs (crMYBs) remains fragmented across species, with their phylogenetic relationships, regulatory mechanisms, and functional divergence poorly integrated. This review synthesizes functionally validated crMYBs within a phylogenetic framework to provide an updated perspective on their regulatory roles in plant cold acclimation. We curated 106 experimentally validated crMYBs from 45 plant species and systematically characterized their subfamily distribution, regulatory polarity, pathway associations, validation strategies, and cross-species functional patterns. R2R3-MYBs constitute the majority of characterized crMYBs, whereas 1R-MYBs and 3R-MYBs remain underrepresented despite their established links to circadian regulation, cell-cycle control, and stress adaptation. Comparative analyses further indicate that orthologous MYBs retain conserved functions or undergo functional divergence across species. Current evidence implicates crMYBs in multiple regulatory layers of cold acclimation, including ABA-associated responses, CBF/COR-related transcriptional regulation, hormonal crosstalk, osmoprotectant accumulation, phenylpropanoid metabolism, cuticular wax biosynthesis, post-translational modifications, and chromatin-level regulation. Characterization of underexplored 1R-MYB and 3R-MYB members, phylogeny-guided cross-species functional validation, clarification of the mechanisms underlying regulatory polarity divergence, and evaluation of MYB functions under combined stress conditions would contribute substantially to a more comprehensive understanding of plant cold resilience.</p><p><strong>Supplementary information: </strong>The online version contains supplementary material available at 10.1007/s12298-026-01798-0.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1687-1701"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13437875/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Evaluation of chitosan-saponin nanoparticles for the management of root-knot nematode, Meloidogyne incognita on tomato. 壳聚糖-皂苷纳米颗粒防治番茄根结线虫的效果评价。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-06-29 DOI: 10.1007/s12298-026-01779-3
Lochan Sharma, Prakash Banakar, Anil Kumar, Ajay Pal, Sarita Sharma
{"title":"Evaluation of chitosan-saponin nanoparticles for the management of root-knot nematode, <i>Meloidogyne incognita</i> on tomato.","authors":"Lochan Sharma, Prakash Banakar, Anil Kumar, Ajay Pal, Sarita Sharma","doi":"10.1007/s12298-026-01779-3","DOIUrl":"10.1007/s12298-026-01779-3","url":null,"abstract":"<p><p>The southern root-knot nematode (RKN), <i>Meloidogyne incognita</i> is the major nematode problem in vegetable crops and causes huge amounts of losses in tropical and subtropical regions of the world. The study was carried out to synthesize, characterize, and test the bio-efficacy of chitosan-saponin nanoparticles (CS-SP NPs) against <i>M. incognita</i> on mortality, egg hatching, host finding, and management under growth chamber and screen house conditions on tomato. The NPs were synthesized by the ionic gelation method and characterized by DLS, FTIR, FE-SEM, TEM, XRD and, BET. The NPs exhibited a size of 331 nm, 0.14 PDI, and 36.6 (+ ve) zeta potential. FTIR, FE-SEM, TEM, BET, and XRD confirmed functional groups, spherical shape, large surface area as compared to bulk material, and crystalline structure, respectively. The NPs showed 64.3% mortality with a 930 ppm LC<sub>50</sub> value and 45.7% egg hatching inhibition after 24 h. The synthesized NPs also reduced host finding and root parasitism of nematodes in tomato seedlings in the pluronic gel assay. The efficacy of NPs was further validated in a management experiment. Foliar spray of double dose (1860 ppm) of NPs in both the growth chamber and screen house increased plant growth parameters (71.8% and 61.7% fresh shoot weight, respectively) and reduced nematode parameters (39.0% and 39.0% galls, respectively).</p><p><strong>Supplementary information: </strong>The online version contains supplementary material available at 10.1007/s12298-026-01779-3.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1817-1833"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13437872/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
LEA2-2 from Caragana korshinskii confers salt and osmotic tolerance in Arabidopsis. 锦鸡儿LEA2-2赋予拟南芥耐盐性和渗透性。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-07-08 DOI: 10.1007/s12298-026-01786-4
Xiumin Yu, Wenran Yue, Qi Yang, Chunmei Xue, Fengyan Yi, Shuan Guo, Guojing Li
{"title":"<i>LEA2-2</i> from <i>Caragana korshinskii</i> confers salt and osmotic tolerance in <i>Arabidopsis</i>.","authors":"Xiumin Yu, Wenran Yue, Qi Yang, Chunmei Xue, Fengyan Yi, Shuan Guo, Guojing Li","doi":"10.1007/s12298-026-01786-4","DOIUrl":"10.1007/s12298-026-01786-4","url":null,"abstract":"<p><p>Late embryogenesis abundant (LEA) proteins are a group of proteins that are induced by various abiotic stresses and play critical roles in protecting plants from environmental damage. Here, a LEA_2 encoding gene (<i>LEA2-2</i>) isolated from <i>Caragana korshinskii</i> was proved to be induced by salt, drought, dehydration, high pH, cold, heat, and the phytohormone abscisic acid (ABA). Moreover, overexpression of <i>CkLEA2-2</i> in <i>Escherichia coli</i> improved tolerance to salt and osmotic stress. The <i>CkLEA2-2</i> overexpression (OE) lines showed higher seed germination rates and longer primary roots than those of wild-type <i>Arabidopsis</i> plants under salt stress. Similarly, seed germination rates of OE lines were also higher than those of wild-type when subjected to osmotic stress. In addition, the OE lines showed reduced ABA sensitivity during seed germination and root growth compared with the wild-type. Several ABA- and stress-responsive marker genes were verified to be up-regulated in the OE lines too. Taken together, our results showed that CkLEA2-2 was a positive regulator involved in plant response to salt stress.</p><p><strong>Supplementary information: </strong>The online version contains supplementary material available at 10.1007/s12298-026-01786-4.</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1791-1801"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13438053/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Correction: Nitrogen form substitution identifies nitrogen use efficiency management pathways in maize. 更正:氮形式替代确定了玉米氮利用效率管理途径。
IF 3.6 3区 生物学
Physiology and Molecular Biology of Plants Pub Date : 2026-08-01 Epub Date: 2026-06-29 DOI: 10.1007/s12298-026-01783-7
Joseph N Amoah, Claudia Keitel, Brent N Kaiser
{"title":"Correction: Nitrogen form substitution identifies nitrogen use efficiency management pathways in maize.","authors":"Joseph N Amoah, Claudia Keitel, Brent N Kaiser","doi":"10.1007/s12298-026-01783-7","DOIUrl":"https://doi.org/10.1007/s12298-026-01783-7","url":null,"abstract":"<p><p>[This corrects the article DOI: 10.1007/s12298-026-01753-z.].</p>","PeriodicalId":20148,"journal":{"name":"Physiology and Molecular Biology of Plants","volume":"32 8","pages":"1919-1921"},"PeriodicalIF":3.6,"publicationDate":"2026-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13438018/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148679658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:604180095
Book学术官方微信
小红书