Plant, Cell & Environment最新文献_第9页

Revealing the Hidden Role of Capacitance in the Water Flow Through Plants to the Atmosphere. 揭示电容在植物向大气水流中的隐藏作用。

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-24 DOI: 10.1111/pce.15343

Marcel Fuchs

引用次数: 0

Transcriptional Reprogramming Deploys a Compartmentalized 'Timebomb' in Catharanthus roseus to Fend Off Chewing Herbivores. 花楸的转录重编程部署了一个分区的“定时炸弹”来抵御咀嚼食草动物。

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-24 DOI: 10.1111/pce.15324

Yongliang Liu, Jizhe Shi, Barunava Patra, Sanjay Kumar Singh, Xia Wu, Ruiqing Lyu, Xiaoyu Liu, Yongqing Li, Ying Wang, Xuguo Zhou, Sitakanta Pattanaik, Ling Yuan

{"title":"Transcriptional Reprogramming Deploys a Compartmentalized 'Timebomb' in Catharanthus roseus to Fend Off Chewing Herbivores.","authors":"Yongliang Liu, Jizhe Shi, Barunava Patra, Sanjay Kumar Singh, Xia Wu, Ruiqing Lyu, Xiaoyu Liu, Yongqing Li, Ying Wang, Xuguo Zhou, Sitakanta Pattanaik, Ling Yuan","doi":"10.1111/pce.15324","DOIUrl":"https://doi.org/10.1111/pce.15324","url":null,"abstract":"The evolutionary arms race between plants and insects has led to key adaptive innovations that drive diversification. Alkaloids are well-documented anti-herbivory compounds in plant chemical defences, but how these specialized metabolites are allocated to cope with both biotic and abiotic stresses concomitantly is largely unknown. To examine how plants prioritize their metabolic resources responding to herbivory and cold, we integrated dietary toxicity bioassay in insects with co-expression analysis, hierarchical clustering, promoter assay, and protein-protein interaction in plants. Catharanthus roseus, a medicinal plant known for its insecticidal property against chewing herbivores, produces two terpenoid indole alkaloid monomers, vindoline and catharanthine. Individually, they exhibited negligible toxicity against Manduca sexta, a chewing herbivore; their condensed product, anhydrovinblastine; however, was highly toxic. Such a unique insecticidal mode of action demonstrates that terpenoid indole alkaloid 'timebomb' can only be activated when the two spatially isolated monomeric precursors are dimerized by herbivory. Without initial selection pressure and apparent fitness costs, this adaptive chemical defence against herbivory is innovative and sustainable. The biosynthesis of insecticidal terpenoid indole alkaloids is induced by herbivory but suppressed by cold. Here, we identified a transcription factor, herbivore-induced vindoline-gene Expression (HIVE), that coordinates the production of terpenoid indole alkaloids in response to herbivory and cold stress. The HIVE-mediated transcriptional reprogramming allows this herbaceous perennial to allocate its metabolic resources for chemical defence at a normal temperature when herbivory pressure is high, but switches to cold tolerance under a cooler temperature when insect infestation is secondary.","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142880629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Carboxylation and Oxygenation Kinetics and Large Subunit (rbcL) DNA Sequences for Rubisco From Two Ecotypes of Plantago lanceolata L. That Are Native to Sites Differing in Atmospheric CO₂ Levels. 两个生态型杉木车前草的羧化和氧合动力学及Rubisco的大亚基DNA序列

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-24 DOI: 10.1111/pce.15346

Xiaoxiao Shi, Nathan M Hannon, Arnold J Bloom

{"title":"Carboxylation and Oxygenation Kinetics and Large Subunit (rbcL) DNA Sequences for Rubisco From Two Ecotypes of Plantago lanceolata L. That Are Native to Sites Differing in Atmospheric CO2 Levels.","authors":"Xiaoxiao Shi, Nathan M Hannon, Arnold J Bloom","doi":"10.1111/pce.15346","DOIUrl":"https://doi.org/10.1111/pce.15346","url":null,"abstract":"Rubisco, the most prevalent protein on Earth, catalysers both a reaction that initiates C3 carbon fixation, and a reaction that initiates photorespiration, which stimulates protein synthesis. Regulation of the balance between these reactions under atmospheric CO2 fluctuations remains poorly understood. We have hypothesised that vascular plants maintain organic carbon-to-nitrogen homoeostasis by adjusting the relative activities of magnesium and manganese in chloroplasts to balance carbon fixation and nitrate assimilation rates. The following examined the influence of magnesium and manganese on carboxylation and oxygenation for rubisco purified from two ecotypes of Plantago lanceolata L.: one adapted to the elevated CO2 atmospheres that occur near a natural CO2 spring and the other adapted to more typical CO2 atmospheres that occur nearby. The plastid DNA coding for the large unit of rubisco was similar in both ecotypes. The kinetics of rubiscos from the two ecotypes differed more when associated with manganese than magnesium. Specificity for CO2 over O2 (Sc/o) for rubisco from both ecotypes was higher when the enzymes were bound to magnesium than manganese. Differences in the responses of rubisco from P. lanceolata to the metals may account for the adaptation of this species to different CO2 environments.","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142880614","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Coupling Modelling and Experiments to Analyse Leaf Photosynthesis Under Far-Red Light. 远红光下叶片光合作用耦合建模与实验研究。

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-24 DOI: 10.1111/pce.15340

Tinko B Jans, Leon Mossink, Maarten Wassenaar, Emilie Wientjes, Steven Driever, Martina Huber, Ronald Pierik, Hugo J de Boer

{"title":"Coupling Modelling and Experiments to Analyse Leaf Photosynthesis Under Far-Red Light.","authors":"Tinko B Jans, Leon Mossink, Maarten Wassenaar, Emilie Wientjes, Steven Driever, Martina Huber, Ronald Pierik, Hugo J de Boer","doi":"10.1111/pce.15340","DOIUrl":"https://doi.org/10.1111/pce.15340","url":null,"abstract":"Leaf photosynthesis models are used extensively in photosynthesis research and are embedded in many larger scale models. Typical photosynthesis models simplify light intensity as the integrated intensity over the 400-700 nm waveband (photosynthetic active radiation, PAR). However, far-red light (700-750 nm, FR) also drives photosynthesis when supplied in addition to light within the PAR spectrum. Currently, it is unknown how much far-red light contributes to carbon assimilation under various spectral light conditions. We developed a combined experimental and computational method to quantify FR stimulation. Gas-exchange parameters and incident light spectra were measured simultaneously and analysed with wavelength-dependent modelling of light harvesting. Hereto, separate excitation of Photosystem I and Photosystem II was calculated from incident light spectra. The effect of FR supplementation on photosynthesis was subsequently modelled and expressed as a single parameter ρ. We tested our method on Solanum dulcamara, Lactuca sativa and Phaseolus vulgaris under various light conditions. Results show consistent ρ-values across a range of FR levels. Our method provides an approach to consistently quantify the effect of FR stimulation on photosynthesis and harmonise the interpretation of photosynthesis measurements under different light regimes, for example in (experimental) setups with artificial FR supplementation or in canopies.","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142880617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Importance of Timing of Dark Acclimation for Estimating Light Inhibition of Leaf Respiratory CO₂ Efflux. 暗驯化时间对估算叶片呼吸CO2外排光抑制的重要性。

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-20 DOI: 10.1111/pce.15335

Dan Bruhn, Kevin L Griffin, Ian M Møller

引用次数: 0

Transcriptional Reprogramming and Allelic Variation in Pleiotropic QTL Regulates Days to Flowering and Growth Habit in Pigeonpea. 多效性QTL的转录重编程和等位基因变异调控鸽豆的开花期和生长习性。

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-20 DOI: 10.1111/pce.15322

Kuldeep Kumar, Kumar Durgesh, Priyanka Anjoy, Harsha Srivastava, Kishor U Tribhuvan, Amitha Mithra Sevanthi, Anupam Singh, Ratna Prabha, Sandhya Sharma, Rekha Joshi, Pradeep Kumar Jain, Nagendra Kumar Singh, Kishor Gaikwad

{"title":"Transcriptional Reprogramming and Allelic Variation in Pleiotropic QTL Regulates Days to Flowering and Growth Habit in Pigeonpea.","authors":"Kuldeep Kumar, Kumar Durgesh, Priyanka Anjoy, Harsha Srivastava, Kishor U Tribhuvan, Amitha Mithra Sevanthi, Anupam Singh, Ratna Prabha, Sandhya Sharma, Rekha Joshi, Pradeep Kumar Jain, Nagendra Kumar Singh, Kishor Gaikwad","doi":"10.1111/pce.15322","DOIUrl":"https://doi.org/10.1111/pce.15322","url":null,"abstract":"The present study investigated the linkage between days to flowering (DTF) and growth habit (GH) in pigeonpea using QTL mapping, QTL-seq, and GWAS approaches. The linkage map developed here is the largest to date, spanning 1825.56 cM with 7987 SNP markers. In total, eight and four QTLs were mapped for DTF and GH, respectively, harbouring 78 pigeonpea orthologs of Arabidopsis flowering time genes. Corroboratively, QTL-seq analysis identified a single linked QTL for both traits on chromosome 3, possessing 15 genes bearing genic variants. Together, these 91 genes were clustered primarily into autonomous, photoperiod, and epigenetic pathways. Further, we identified 39 associations for DTF and 111 associations for GH through GWAS in the QTL regions. Of these, nine associations were consistent and constituted nine haplotypes (five late, two early, one each for super-early and medium duration). The involvement of multiple genes explained the range of allelic effects and the presence of multiple LD blocks. Further, the linked QTL on chromosome 3 was fine-mapped to the 0.24-Mb region with an LOD score of 8.56, explaining 36.47% of the phenotypic variance. We identified a 10-bp deletion in the first exon of TFL1 gene of the ICPL 20338 variety, which may affect its interaction with the Apetala1 and Leafy genes, resulting in determinate GH and early flowering. Further, the genic marker developed for the deletion in the TFL1 gene could be utilized as a foreground marker in marker-assisted breeding programmes to develop early-flowering pigeonpea varieties.","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142862714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

CCT39 Transcription Factor Promotes Chlorophyll Biosynthesis and Photosynthesis in Poplar. CCT39转录因子促进杨树叶绿素合成和光合作用

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-19 DOI: 10.1111/pce.15329

Hao Chen, Wenqi Wu, Kang Du, Jun Yang, Xiangyang Kang

{"title":"CCT39 Transcription Factor Promotes Chlorophyll Biosynthesis and Photosynthesis in Poplar.","authors":"Hao Chen, Wenqi Wu, Kang Du, Jun Yang, Xiangyang Kang","doi":"10.1111/pce.15329","DOIUrl":"https://doi.org/10.1111/pce.15329","url":null,"abstract":"Chlorophyll serves as a crucial pigment in plants, essential for photosynthesis, growth, and development. Our previous study has shown that PpnCCT39 can increase leaf chlorophyll content and photosynthesis rate in poplar. However, the underlying molecular mechanisms remain unknown. In this study, we observed that overexpression of PpnCCT39 not only elevates chlorophyll content and photosynthesis, but also induces alterations in leaf morphology, basal diameter, and chloroplast structure. By performing RNA-seq on terminal buds and leaves at leaf positions 1, 3, 5, and 10, we determined that PpnCCT39 predominantly exerts its effects in young leaves. Chromatin Immunoprecipitation Sequencing (ChIP-seq) performed on PpnCCT39-overexpressing poplars identified 17 194 potential regulatory target genes. By integrating RNA-seq and ChIP-seq datasets along with validation assays for protein-DNA interactions, we determined that PpnCCT39 directly stimulated the transcription of three key genes involved in the chlorophyll biosynthesis and photosynthesis pathways: PagHO1, PagLIL3, and PagPYG7. Furthermore, protein interaction assays revealed that PpnCCT39 interacts with PagRD19 and PagATP2, localized in vesicles and mitochondria respectively, with these interactions occurring within chloroplasts. This study elucidates the molecular mechanism by which the PpnCCT39 transcription factor in poplar promotes chlorophyll biosynthesis and photosynthesis. It also highlights the critical role of PpnCCT39 in nucleocytoplasmic interactions. These findings underscore the significance of PpnCCT39 in regulating chlorophyll biosynthesis and enhancing photosynthesis through molecular design.","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Altering Carotene Hydroxylase Activity of DcCYP97C1 Affects Carotenoid Flux and Changes Taproot Colour in Carrot. 改变 DcCYP97C1 的胡萝卜素羟化酶活性会影响胡萝卜的类胡萝卜素通量并改变其根茎颜色

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-18 DOI: 10.1111/pce.15331

Yuan-Jie Deng, Ao-Qi Duan, Tong Li, Shan-Shan Tan, Shan-Shan Liu, Ya-Hui Wang, Jing Ma, Jing-Wen Li, Hui Liu, Zhi-Sheng Xu, Yi Liang, Jian-Hua Zhou, Ai-Sheng Xiong

{"title":"Altering Carotene Hydroxylase Activity of DcCYP97C1 Affects Carotenoid Flux and Changes Taproot Colour in Carrot.","authors":"Yuan-Jie Deng, Ao-Qi Duan, Tong Li, Shan-Shan Tan, Shan-Shan Liu, Ya-Hui Wang, Jing Ma, Jing-Wen Li, Hui Liu, Zhi-Sheng Xu, Yi Liang, Jian-Hua Zhou, Ai-Sheng Xiong","doi":"10.1111/pce.15331","DOIUrl":"https://doi.org/10.1111/pce.15331","url":null,"abstract":"CYP97C1 as a haem-containing cytochrome P450 hydroxylase (P450-type) is important for carotene hydroxylation and xanthophyll biosynthesis. Research about this type of hydroxylase was mainly reported in several model plant species which have no specialized tissues accumulating massive carotenoids. The function of CYP97C1 in the horticultural plant, like carrots, was not fully studied. In this study, we focused on the role of DcCYP97C1 in carotenoid flux and colour formation in carrot. DcCYP97C1 was found highly expressed in the 'turning stage' of carrot taproot. Using stable transformation and CRISPR/Cas9-mediated gene knockout technology, DcCYP97C1 was confirmed the rate-limiting enzyme for lutein biosynthesis and important for taproot colour formation. Overexpression of DcCYP97C1 in an orange carrot KRD (Kurodagosun) resulted in five times overproduction of lutein accompanied by dramatic reduction of carotenes. Knockout of DcCYP97C1 in orange KRD and yellow carrot QTH (Qitouhuang) reduced all kinds of carotenoids including lutein, α-carotene and β-carotene reflecting the key role of DcCYP97C1 for total carotenoid accumulation in taproot 'turning stage'. Our study demonstrated that manipulation of DcCYP97C1 was sufficient to influence carotenoid flux, change carrot colour and for high lutein production. The uncovered role of DcCYP97C1 may be helpful for understanding plant carotenoid metabolism and breeding colourful carrot cultivars.","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142845353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Knockdown of OsPHP1 Leads to Improved Yield Under Salinity and Drought in Rice via Regulating the Complex Set of TCS Members and Cytokinin Signalling. 敲低OsPHP1基因通过调控TCS成员和细胞分裂素信号传导，在盐和干旱条件下提高水稻产量。

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-18 DOI: 10.1111/pce.15337

Chhaya Yadav, Nishtha Rawat, Sneh L Singla-Pareek, Ashwani Pareek

{"title":"Knockdown of OsPHP1 Leads to Improved Yield Under Salinity and Drought in Rice via Regulating the Complex Set of TCS Members and Cytokinin Signalling.","authors":"Chhaya Yadav, Nishtha Rawat, Sneh L Singla-Pareek, Ashwani Pareek","doi":"10.1111/pce.15337","DOIUrl":"https://doi.org/10.1111/pce.15337","url":null,"abstract":"Plant two-component system (TCS) is crucial for phytohormone signalling, stress response, and circadian rhythms, yet the precise role of most of the family members in rice remain poorly understood. In this study, we investigated the function of OsPHP1, a pseudo-histidine phosphotransfer protein in rice, using a functional genomics approach. OsPHP1 is localised in the nucleus and cytosol, and it exhibits strong interactions with all sensory histidine kinase proteins (OsHK1-6) and cytokinin catabolism genes. Our results demonstrate that OsPHP1 functions as a negative regulator of cytokinin signalling. Knockdown of OsPHP1 enhanced the expression of positive cytokinin signalling regulators, such as OsHKs and OsAHPs (authentic phosphotransfer proteins), while downregulating negative regulators, such as type-A response regulators (OsRRs) and cytokinin catabolism genes (CKXs). Furthermore, OsPHP1 negatively influences abiotic stress tolerance, as evidenced by the increased sensitivity of OsPHP1-OE (overexpression) lines to salinity and drought. In contrast, OsPHP1-KD (knockdown) lines showed enhanced stress resilience, with better photosynthesis, increased tiller and panicle production, higher spikelet fertility, and grain filling. The study demonstrates that OsPHP1 suppresses antioxidant and stress-responsive genes, exacerbating ion toxicity and reducing osmolyte accumulation, thereby impairing plant growth and yield under stress conditions. These findings highlight OsPHP1 as a critical modulator of plant responses to abiotic stress and suggest potential genetic targets for enhancing crop stress tolerance.","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

SmHSFA8 Enhances the Heat Tolerance of Eggplant by Regulating the SmEGY3-SmCSD1 Module and Promoting SmF3H-mediated Flavonoid Biosynthesis. SmHSFA8 通过调节 SmEGY3-SmCSD1 模块和促进 SmF3H 介导的类黄酮生物合成增强茄子的耐热性

IF 6 1区生物学

Plant, Cell & Environment Pub Date : 2024-12-17 DOI: 10.1111/pce.15339

Renjian Liu, Yuyuan Wang, Bingbing Shu, Jinyang Xin, Bingwei Yu, Yuwei Gan, Yonggui Liang, Zhengkun Qiu, Shuangshuang Yan, Bihao Cao

{"title":"SmHSFA8 Enhances the Heat Tolerance of Eggplant by Regulating the SmEGY3-SmCSD1 Module and Promoting SmF3H-mediated Flavonoid Biosynthesis.","authors":"Renjian Liu, Yuyuan Wang, Bingbing Shu, Jinyang Xin, Bingwei Yu, Yuwei Gan, Yonggui Liang, Zhengkun Qiu, Shuangshuang Yan, Bihao Cao","doi":"10.1111/pce.15339","DOIUrl":"https://doi.org/10.1111/pce.15339","url":null,"abstract":"High temperature (HT) is a major environmental factor that restrains eggplant growth and production. Heat shock factors (HSFs) play a vital role in the response of plants to high-temperature stress (HTS). However, the molecular mechanism by which HSFs regulate heat tolerance in eggplants remains unclear. Previously, we reported that SmEGY3 enhanced the heat tolerance of eggplant. Herein, SmHSFA8 activated SmEGY3 expression and interacted with SmEGY3 protein to enhance the activation function of SmEGY3 on SmCSD1. Virus-induced gene silencing (VIGS) and overexpression assays suggested that SmHSFA8 positively regulated heat tolerance in plants. SmHSFA8 enhanced the heat tolerance of tomato plants by promoting SlEGY3 expression, H2O2 production and H2O2-mediated retrograde signalling pathway. DNA affinity purification sequencing (DAP-seq) analysis revealed that SmHSPs (SmHSP70, SmHSP70B and SmHSP21) and SmF3H were candidate downstream target genes of SmHSFA8. SmHSFA8 regulated the expression of HSPs and F3H and flavonoid content in plants. The silencing of SmF3H by VIGS reduced the flavonoid content and heat tolerance of eggplant. In addition, exogenous flavonoid treatment alleviated the HTS damage to eggplants. These results indicated that SmHSFA8 enhanced the heat tolerance of eggplant by activating SmHSPs exprerssion, mediating the SmEGY3-SmCSD1 module, and promoting SmF3H-mediated flavonoid biosynthesis.","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142845357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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