Physiologia plantarum最新文献_第8页

Interactive effects of Orobanche latisquama parasitism and drought stress in Salvia rosmarinus plants growing under Mediterranean field conditions.

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.14652

Laia Jené, Marcel Massó-Rodríguez, Sergi Munné-Bosch

{"title":"Interactive effects of Orobanche latisquama parasitism and drought stress in Salvia rosmarinus plants growing under Mediterranean field conditions.","authors":"Laia Jené, Marcel Massó-Rodríguez, Sergi Munné-Bosch","doi":"10.1111/ppl.14652","DOIUrl":"10.1111/ppl.14652","url":null,"abstract":"Mediterranean-type ecosystems are recognized as critical hotspots for both biodiversity and climate change. Within these environments, plants often interact with diverse species, including holoparasitic plants, while simultaneously facing increasing episodes of precipitation shortages and rising temperatures. Here, we investigated the impact of Orobanche latisquama Reut. ex Boiss infestation on the Mediterranean shrub Salvia rosmarinus (L.) Spenn (rosemary) across three populations along an altitudinal gradient, focusing on its effects on host tolerance and resilience to severe summer drought in its natural habitat. Results showed no major physiological impact of the parasite on the host during spring but revealed an enhanced photo- and antioxidant-protective response during the summer drought in rosemary plants infested with O. latisquama. Infested plants showed elevated contents of α-tocopherol and a shift in the ascorbate ratio towards its oxidized state during the summer, particularly in upper and sun-exposed leaves. This was accompanied by elevated malondialdehyde content, indicating enhanced lipid peroxidation. However, despite the heightened photo-oxidative stress observed in leaves from infested plants, no damage to photosystem II was observed, indicating a good tolerance of rosemary to the interaction between parasitism and drought. By autumn, all plants displayed similar recovery patterns, and the differences between infested and non-infested plants disappeared, thus indicating a high resilience to the combination of these biotic and abiotic stresses. Overall, these findings underscore the great adaptive mechanisms S. rosmarinus plants have evolved to endure severe summer drought, even when challenged by holoparasitic plant infestation, and provide new insights into plant-parasite interactions in Mediterranean-type ecosystems.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e14652"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11621997/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142786482","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

SlTCP29 and SlTCP24 participate in the morphological development of tomato compound leaves by integrating multiple pathways.

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.14641

Mengxi Bi, Zhijun Wang, Keyan Cheng, Sida Meng, Mingfang Qi

{"title":"SlTCP29 and SlTCP24 participate in the morphological development of tomato compound leaves by integrating multiple pathways.","authors":"Mengxi Bi, Zhijun Wang, Keyan Cheng, Sida Meng, Mingfang Qi","doi":"10.1111/ppl.14641","DOIUrl":"https://doi.org/10.1111/ppl.14641","url":null,"abstract":"Leaves are the primary vegetative organs of plants, and their morphology is an important trait affecting plant architecture, light energy utilization, environmental adaptation, and fruit quality and yield. Leaf development is highly flexible; however, understanding the regulatory mechanisms of factors coordinating leaf morphogenesis and differentiation remains limited. In this study, we obtained a double mutant for SlTCP29 and SlTCP24 genes from the CRISPR/Cas9 mutant population, both belonging to the CINCINNATA-like TCP (TEOSINTE BRANCHED, CYCLOIDEA and PCF1/2) transcription factor subfamily. Simultaneous mutations of SlTCP29 and SlTCP24 genes increase the complexity of tomato leaves, characterized by deeper leaf margin notches and increased number of leaflets. In conjunction with RNA-seq analysis, determination of plant hormone content, and molecular interaction assays, we identified the KNOXII gene SlTKNII5, SlMIR164a, and 1-aminocyclopropane-1-carboxylic acid synthase gene SlACS1A as direct downstream targets of SlTCP29 and SlTCP24, among which SlTKNII5 can physically interact with other KNOXII members to form heterodimers. Our study provides insight into the mechanisms by which SlTCP29 and SlTCP24 are involved in the morphological development of tomato compound leaves by integrating multiple pathways, including transcription factor, microRNA, and phytohormone.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e14641"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142807863","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

Blumeria hordei affects volatile emission of susceptible and resistant barley plants and modifies the defense response of recipient plants.

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.14646

Silvana Laupheimer, Andrea Ghirardo, Lisa Kurzweil, Baris Weber, Timo D Stark, Corinna Dawid, Jörg-Peter Schnitzler, Ralph Hückelhoven

{"title":"Blumeria hordei affects volatile emission of susceptible and resistant barley plants and modifies the defense response of recipient plants.","authors":"Silvana Laupheimer, Andrea Ghirardo, Lisa Kurzweil, Baris Weber, Timo D Stark, Corinna Dawid, Jörg-Peter Schnitzler, Ralph Hückelhoven","doi":"10.1111/ppl.14646","DOIUrl":"10.1111/ppl.14646","url":null,"abstract":"The barley powdery mildew disease caused by the biotrophic fungus Blumeria hordei (Bh) poses enormous risks to crop production due to yield and quality losses. Plants and fungi can produce and release volatile organic compounds (VOCs) that serve as signals in plant communication and defense response to protect themselves. The present study aims to identify VOCs released by barley (Hordeum vulgare) during Bh-infection and to decipher VOC-induced disease resistance in receiver plants. VOC profiles of susceptible MLO wild type (MLO WT) and a resistant near-isogenic backcross line (mlo5) were characterized over time (one day or three days after Bh inoculation) using TD-GC/MS. Comparative analysis revealed genotype-dependent VOC profiles and significant differences in emission rates for β-caryophyllene, linalool, (Z)-3-hexenol, and methyl salicylate. Furthermore, susceptible barley plants were exposed to the complex VOC bouquet of MLO WT or mlo5 sender plants in plant-to-plant communication. We found that VOC-induced resistance in receiver plants depended on the sender genotype in a Bh susceptibility assay. Additionally, untargeted metabolomics and gene expression studies provide evidence toward an SA-dependent pathway mediating VOC-induced resistance against powdery mildew. The exogenous application of methyl salicylate resulted in the enhanced expression of the BARLEY CHEMICALLY INDUCED-4 marker gene and induced resistance in receiver plants. The findings suggest genotype-dependent alterations in barley VOC profiles during biotrophic plant-fungus interactions and show a VOC-mediated resistance that shares components with salicylic acid-related pathways. The VOC signals identified here could serve as non-invasive markers for disease progression in barley-powdery mildew interactions and as signals for resistance induction in recipient plants.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e14646"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11626344/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142794871","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

Exploring the mechanisms underlying recovery from freeze-thaw injury in Colobanthus quitensis: mechanistic insights via transcriptome profiling.

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.14642

Kyungwon Min, Syahril Sulaiman, Jihye Jeong, Hyodong Lee, Jungeun Lee, Jun Hyuck Lee, Hyoungseok Lee

{"title":"Exploring the mechanisms underlying recovery from freeze-thaw injury in Colobanthus quitensis: mechanistic insights via transcriptome profiling.","authors":"Kyungwon Min, Syahril Sulaiman, Jihye Jeong, Hyodong Lee, Jungeun Lee, Jun Hyuck Lee, Hyoungseok Lee","doi":"10.1111/ppl.14642","DOIUrl":"https://doi.org/10.1111/ppl.14642","url":null,"abstract":"Antarctic plants face significant challenges due to exposure to freeze-thaw stress throughout their life cycle. The ability to recover from freeze-thaw injuries during post-thaw recovery (PTR) periods is a crucial skill for their survival and growth. However, no research, to the best our knowledge, has explored their recovery mechanisms at the cellular and molecular levels. To investigate the potential cellular mechanism during PTR periods, we focused on Colobanthus quitensis, one of solely two vascular plant species in the Antarctic Peninsula. Having determined the lethal temperature causing 50% cellular injury (LT50) under freezing to be -8.0°C, we subjected plants to sub-injurious (-7.0°C) and injurious (-9.0°C) freezing treatments. We then compared recovery abilities at these stress levels using physiological indicators such as ion-leakage, PSII quantum efficiency (Fv/Fm), and antioxidant enzyme activities. Comparative analysis indicated that plants exposed to -7.0°C progressively recovered during PTR periods, showing reduced ion-leakage and increased Fv/Fm, while those stressed at -9.0°C exhibited irrecoverable damage with lower antioxidant enzymes activities. To investigate the molecular basis of recovery, we examined transcriptome changes in tissues exposed to -7.0°C during PTR periods through GO and KEGG pathway enrichment analyses. These analyses identified six potential cellular events involved in the recovery process, including ionic & pH homeostasis, cell wall remodeling, protein repair, defense against potential microbial attacks, free radical scavenging, and DNA repair. Understanding the cellular and molecular mechanisms of recovery from freeze-thaw injuries enhances our knowledge on how Antarctic plants adapt to extreme environments, offering valuable insights into their survival strategies.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e14642"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142771048","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

Effect of histone modifications on fruit ripening.

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.14639

Caiting An, Zesheng Liu, Xuejuan Pan, Ailing Li, Wenying Wei, Tingyue Yang, Weibiao Liao, Chunlei Wang

{"title":"Effect of histone modifications on fruit ripening.","authors":"Caiting An, Zesheng Liu, Xuejuan Pan, Ailing Li, Wenying Wei, Tingyue Yang, Weibiao Liao, Chunlei Wang","doi":"10.1111/ppl.14639","DOIUrl":"10.1111/ppl.14639","url":null,"abstract":"Histone modifications are canonical epigenetic modifications mediating plant growth and development. Specially, histone modifications play important regulatory roles in plant fruit ripening, directly affecting fruit color changes, soluble sugar accumulation, and fruit softening. In this review, we focus on the effects of histone acetylation and methylation during fruit ripening. In particular, histone acetylation at H3 and H4 accelerates fruit ripening, whereas removal of histone acetylation via histone deacetylases (HDACs) inhibits or delays ripening by regulating the expression of carotenoid and anthocyanin production, glycometabolism, cell wall degradation, ethylene synthesis and signalling, and cell expansin-related genes. In addition, histone methylation is also involved in fruit ripening, in which the emergence of H3K27me3 modifications represses fruit ripening and H3K4me3 modifications promote fruit ripening by affecting multiple ripening-related pathways. However, the relationship between other histone modifications and fruit ripening is currently unclear. Here, we point out that accurate and comprehensive studies concerning the regulatory mechanism of histone modifications in fruit ripening are needed to facilitate the design of high-quality and high-yield fruit.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e14639"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142770815","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

Glycomolecules: from "sweet immunity" to "sweet biostimulation"?

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.14640

I Boulogne, C Mirande-Ney, S Bernard, M Bardor, J-C Mollet, P Lerouge, A Driouich

{"title":"Glycomolecules: from \"sweet immunity\" to \"sweet biostimulation\"?","authors":"I Boulogne, C Mirande-Ney, S Bernard, M Bardor, J-C Mollet, P Lerouge, A Driouich","doi":"10.1111/ppl.14640","DOIUrl":"10.1111/ppl.14640","url":null,"abstract":"Climate changes and environmental contaminants are daunting challenges that require an urgent change from current agricultural practices to sustainable agriculture. Biostimulants are natural solutions that adhere to the principles of organic farming and are believed to have low impacts on the environment and human health. Further, they may contribute to reducing the use of chemical inputs while maintaining productivity in adverse environments. Biostimulants are generally defined as formulated substances and microorganisms showing benefits for plant growth, yield, rhizosphere function, nutrient-use efficiency, quality of harvested products, or abiotic stress tolerance. These biosolutions are categorized in different subclasses. Several of them are enriched in glycomolecules and their oligomers. However, very few studies have considered them as active molecules in biostimulation and as a subclass on their own. Herein, we describe the structure and the functions of complex polysaccharides, glycoproteins, and glycolipids in relation to plant defense or biostimulation. We also discuss the parallels between sugar-enhanced plant defense and biostimulation with glycomolecules and introduce the concept of sweet biostimulation or glycostimulation.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e14640"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11609761/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142771049","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

Hydrogen sulfide and ethylene regulate photosynthesis, sugar metabolism, and tolerance to heat stress in the presence of sulfur in rice.

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.70013

Ameena Fatima Alvi, Sheen Khan, Nafees A Khan

{"title":"Hydrogen sulfide and ethylene regulate photosynthesis, sugar metabolism, and tolerance to heat stress in the presence of sulfur in rice.","authors":"Ameena Fatima Alvi, Sheen Khan, Nafees A Khan","doi":"10.1111/ppl.70013","DOIUrl":"https://doi.org/10.1111/ppl.70013","url":null,"abstract":"Heat stress impacts photosynthesis and carbohydrate metabolism, challenging food security. To comprehend the mechanisms of thermotolerance, we examined the role of ethylene (ET) and hydrogen sulfide (H2S) with or without sulfur (S) in rice (Oryza sativa L.). Both ET and H2S promoted heat stress tolerance more conspicuously in the presence of S, restoring the balance between carbon assimilation and utilization. The enhanced photosynthesis in ET and H2S-treated plants under heat stress was linked with increased relative expression of Rubisco subunits rbcS and rbcL and carbohydrate metabolizing, including Sucrose Synthase 2 (SuSy2) and Sucrose transport 1 (SUT1). Notably, the H2S application showed the highest increase of 2.3, 3.2, 3.0, and 2.4-fold expression of the rbcS, rbcL, SuSy2, and SUT1, respectively, compared to the heat stress alone. The application of H2S with S more prominently increased starch content, total soluble sugar, and soluble invertase activity by 59.3%, 35.7%, and 25.9%, and also activity of soluble starch synthase and granule-bound starch synthase by 47.2% and 32.8%, respectively, compared to heat-stressed plants. The treatment (H2S plus S) elevated cysteine and GSH content and the activity of the antioxidant enzymes to maintain cellular redox potential under heat stress. These observed tolerance responses were less pronounced in plants treated with hypotaurine (HT; H2S scavenger) than those treated with norbornadiene (NBD; ET inhibitor), underscoring the superior role of H2S over ET in mitigating heat stress. The present study's findings explain that H2S is crucial for the ET-mediated response in augmenting photosynthesis and heat stress tolerance in rice.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e70013"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142824332","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

Evidence for clonal integration of clones contributing to unexpectedly higher benefits for interspecific neighbours.

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.70017

Quan Zhou, Yujie Chen, Hui Zhang, Shengjun Wu, Ying Liu

{"title":"Evidence for clonal integration of clones contributing to unexpectedly higher benefits for interspecific neighbours.","authors":"Quan Zhou, Yujie Chen, Hui Zhang, Shengjun Wu, Ying Liu","doi":"10.1111/ppl.70017","DOIUrl":"https://doi.org/10.1111/ppl.70017","url":null,"abstract":"Clonal plants benefit from the ability to translocate resources among interconnected ramets to colonize stress habitats. Despite the fact that the physiological integration of clones may influence their general performance and competitiveness, we still lack an understanding of how integration alters the ability of clones to compete with their neighbours. In a greenhouse experiment, we investigated how clonal integration of a perennial herbaceous Cynodon dactylon, which originated from two flooding stress ecotypes, influenced the growth, functional traits, biomass allocation and relative competitiveness of their intraspecific and interspecific neighbours. We also used a greenhouse reciprocal transplant experiment to assess the plasticity and adaptation of clonal integration and test the 'home-field' advantage of clonal integration on the neighbours. The findings showed that, for clones of low-stress ecotypes, clonal integration significantly enhanced the specific root length, biomass storage, root-shoot ratio, and relative competitive ability of the interspecific neighbours, but it had little effect on the overall performance of the intraspecific neighbours across two stress ecotypes. Interestingly, such encouragement also helped the clones expand, suggesting that the clones and their physiologically independent interspecific neighbours can benefit from one another. The home-field advantages of clonal integration were demonstrated by the fact that the clonal ramets from the home site showed more benefit for interspecific neighbours than ramets from the away site. This study provides novel evidence for facilitation and home-field advantage between clones and interspecific neighbours and has implications for understanding stress environments where both high levels of clonality and interspecific facilitation are expected to occur.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e70017"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142838551","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

Melatonin enhances metal oxide nanoparticles tolerance in rice seedlings through dual regulation of antioxidant defense and photosynthetic efficiency.

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.70020

Ahmed Gharib, Yanze Su, Zhihao Zuo, Rujia Chen, Hanyao Wang, Tianyun Tao, Mingli Chuan, Qing Bu, Yanmo Luo, Yaoqing Li, Shuting Wang, Yu Hua, Yi Ji, Jianheng Ding, Wei Liu, Shuihua He, Pengcheng Li, Yang Xu, Chenwu Xu, Yue Lu, Zefeng Yang

{"title":"Melatonin enhances metal oxide nanoparticles tolerance in rice seedlings through dual regulation of antioxidant defense and photosynthetic efficiency.","authors":"Ahmed Gharib, Yanze Su, Zhihao Zuo, Rujia Chen, Hanyao Wang, Tianyun Tao, Mingli Chuan, Qing Bu, Yanmo Luo, Yaoqing Li, Shuting Wang, Yu Hua, Yi Ji, Jianheng Ding, Wei Liu, Shuihua He, Pengcheng Li, Yang Xu, Chenwu Xu, Yue Lu, Zefeng Yang","doi":"10.1111/ppl.70020","DOIUrl":"https://doi.org/10.1111/ppl.70020","url":null,"abstract":"The growing utilization of metal oxide nanoparticles (MONPs) presents novel and potential hazards to plants. However, the impacts of MONPs on plants and the mechanisms underlying their tolerance to MONPs remain unclear. In this study, we demonstrated that both CuO and ZnO nanoparticles hindered plant growth and triggered oxidative damage in rice seedlings. The role of melatonin in rice tolerance to MONPs was elucidated through a comprehensive analysis of OsCOMT mutant and overexpression plants, which showed melatonin deficiency and sufficiency, respectively. Our results revealed that the melatonin-deficient OsCOMT mutant plants exhibited hypersensitivity to MONPs, while the melatonin-sufficient OsCOMT overexpression plants showed enhanced MONPs tolerance. Physiological assessments further indicated that melatonin counteracted rice oxidative damage triggered by MONPs by increasing the activities of antioxidative enzymes, including superoxide dismutase, peroxidase, catalase, and glutathione reductase. Moreover, melatonin was found to foster rice growth under MONP stress by positively regulating the maximum photochemical efficiency, reducing non-photochemical fluorescence quenching, and promoting the biosynthesis of sucrose and starch. These findings not only highlight the hazardous effects of MONPs on plants, but also underscore the pivotal role of melatonin in bolstering plant resilience against MONPs.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e70020"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142838616","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

Metabolome and transcriptome reveal the biosynthesis of flavonoids and amino acids in Isatis indigotica fruit during development. 代谢组和转录组揭示了 Isatis indigotica 果实在发育过程中黄酮类化合物和氨基酸的生物合成。

IF 5.4 2区生物学

Physiologia plantarum Pub Date : 2024-11-01 DOI: 10.1111/ppl.14617

Hui Huang, Li Zhang, Liye Guan, Libin Zhang

{"title":"Metabolome and transcriptome reveal the biosynthesis of flavonoids and amino acids in Isatis indigotica fruit during development.","authors":"Hui Huang, Li Zhang, Liye Guan, Libin Zhang","doi":"10.1111/ppl.14617","DOIUrl":"https://doi.org/10.1111/ppl.14617","url":null,"abstract":"Isatis indigotica Fort. is a famous medicinal plant that is also used as a natural dye and functional vegetable. The characteristics of the I. indigotica fruit during development are largely unknown, information that is essential for the exploitation and seedlings cultivation of I. indigotica. In this study, the biochemical, metabolite characteristics and gene expression profiling of I. indigotica at four developmental stages were investigated. A total of 428 metabolites were detected and categorized into 17 categories. High contents of anthocyanins, especially cyanidin 3-glucoside, might contribute to the purple colouration of I. indigotica fruits. Moreover, dozens of flavonoid components, including taxifolin, quercetin, astragalin and isovitexin 2″-O-beta-D-glucoside, and several other active components were also up-regulated in mature fruits. The abundance of antioxidants might endow a significantly stronger antioxidant activity of mature I. indigotica fruits compared to many other reported species. Enrichment analyses revealed that flavonoid and anthocyanin biosynthesis genes were mostly enriched in up-regulated gene sets during fruit development. The up-regulated structural genes, including IiCHS, IiCHI, IiF3H, IiDFR, IiANS, IiFLS, IiUGT, and transcription factors such as IiMYBs, IibHLHs and IiNACs were identified as candidate regulators of flavonoid and anthocyanin biosynthetic pathway. Furthermore, biosynthesis of amino acids was enriched in all pairwise comparisons of metabolites in fruits at four developmental stages. The differential accumulation of amino acids might result from the differentially expressed genes involved in amino acid biosynthesis. Taken together, these findings provide a comprehensive understanding of metabolite profiling and gene expression patterns in I. indigotica fruit during maturity, which is useful for pharmaceutical extractions and seedling cultivation of I. indigotica.","PeriodicalId":20164,"journal":{"name":"Physiologia plantarum","volume":"176 6","pages":"e14617"},"PeriodicalIF":5.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142626197","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