Plant, Cell & Environment最新文献

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Decoding the Double Stress Puzzle: Investigating Nutrient Uptake Efficiency and Root Architecture in Soybean Under Heat- and Water-Stresses. 破解双重胁迫之谜:研究热胁迫和水胁迫下大豆的养分吸收效率和根系结构
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-18 DOI: 10.1111/pce.15268
Corentin Maslard, Mustapha Arkoun, Fanny Leroy, Sylvie Girodet, Christophe Salon, Marion Prudent
{"title":"Decoding the Double Stress Puzzle: Investigating Nutrient Uptake Efficiency and Root Architecture in Soybean Under Heat- and Water-Stresses.","authors":"Corentin Maslard, Mustapha Arkoun, Fanny Leroy, Sylvie Girodet, Christophe Salon, Marion Prudent","doi":"10.1111/pce.15268","DOIUrl":"https://doi.org/10.1111/pce.15268","url":null,"abstract":"<p><p>In the context of climate change, associated with increasingly frequent water deficits and heat waves, there is an urgent need to maintain the performance of soybean, a leading legume crop worldwide, before its yield declines. The objective of this study was to explore which plant traits improve soybean tolerance to heat and/or water stress, with a focus on traits involved in plant architecture and nutrient uptake. For this purpose, two soybean genotypes were grown under controlled conditions in a high-throughput phenotyping platform where either optimal conditions, heat waves, water stress or both heat waves and water stresses were applied during the vegetative stage. By correlating architectural to functional traits, related to water, carbon allocation and nutrient absorption, we were able to explain the stress susceptibility level of the two genotypes. We have shown that water flow in the plant is central to the uptake and allocation of mineral elements in the plant, despite its modulation by stress and in a genotype-dependent manner. This cross-analysis of plant ecophysiology and plant nutrition under different stresses provides new information, especially on the importance of mineral elements in the different plant organs, and can inform future crop design, particularly under changing climatic conditions.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142666206","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
Multi-Omics and Physiological Analysis Reveal Crosstalk Between Aphid Resistance and Nitrogen Fertilization in Wheat. 多指标和生理分析揭示小麦抗蚜性与氮肥之间的相互关系
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-15 DOI: 10.1111/pce.15282
Yuanyuan Wang, Bin Di, Ze Sun, Sonali, Michelle Donovan-Mak, Zhong-Hua Chen, Man-Qun Wang
{"title":"Multi-Omics and Physiological Analysis Reveal Crosstalk Between Aphid Resistance and Nitrogen Fertilization in Wheat.","authors":"Yuanyuan Wang, Bin Di, Ze Sun, Sonali, Michelle Donovan-Mak, Zhong-Hua Chen, Man-Qun Wang","doi":"10.1111/pce.15282","DOIUrl":"10.1111/pce.15282","url":null,"abstract":"<p><p>The availability of nitrogen (N) can dramatically influence crops resistance to herbivorous insects. However, the interaction between N fertilization and crop resistance to insects is not well understood. In this study, the effects of N fertilization on the grain aphid (Sitobion miscanthi) were investigated using three wheat (Triticum aestivum) cultivars with different aphid resistances. We measured aphid life cycle parameters, fecundity, survival rate, weight and feeding behavior, in conjunction with wheat metabolomics, transcriptomics and alien introgression analysis. Our results demonstrated that higher N application benefits aphid feeding across all three wheat cultivars. We also reveal that the highly resistant cultivar (ZM9) can only exert its resistance-advantage under low N fertilization, losing its advantage compared to moderately resistant cultivar YN19 and susceptible cultivar YN23 under higher N fertilization. The effects of N fertilization on wheat-aphid interactions were due to changes in the regulation of carbon and nitrogen metabolism. Integration of multi-omics highlighted specific aphid-induced differentially expressed genes (DEGs, e.g., TUB6, Tubulin 6; ENODL20, Early nodulin-like protein 20; ACT7 Actin 7; Prx47, Peroxidase 47) and significantly different metabolites (SDMs, e.g., crotonoside, guanine, 2'-O-methyladenosine, ferulic acid) in ZM9. Additionally, we report the unique SDMs-DEGs interactions, associated with introgression during wheat domestication, may help infer aphid resistance. In summary, this study provides new insights into the relationships between N fertilization practices, defense responses and integrated pest management for sustainable wheat production.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611344","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
Linalool and 1,8-Cineole as Constitutive Disease-Resistant Factors of Norway Spruce Against Necrotrophic Pathogen Heterobasidion Parviporum. 芳樟醇和 1,8-噌啉是挪威云杉对抗 Necrotrophic Pathogen Heterobasidion Parviporum 的抗病因子。
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-13 DOI: 10.1111/pce.15280
Kai Wang, Wenzi Ren, Liang Hong, Qingao Wang, Rajendra Ghimire, Matti Haapanen, Minna Kivimäenpää, Pengfei Wu, Xiangqing Ma, Fred O Asiegbu
{"title":"Linalool and 1,8-Cineole as Constitutive Disease-Resistant Factors of Norway Spruce Against Necrotrophic Pathogen Heterobasidion Parviporum.","authors":"Kai Wang, Wenzi Ren, Liang Hong, Qingao Wang, Rajendra Ghimire, Matti Haapanen, Minna Kivimäenpää, Pengfei Wu, Xiangqing Ma, Fred O Asiegbu","doi":"10.1111/pce.15280","DOIUrl":"https://doi.org/10.1111/pce.15280","url":null,"abstract":"<p><p>Norway spruce is an important coniferous species in boreal forests. Root and stem rot diseases caused by the necrotrophic pathogen Heterobasidion parviporum threaten the wood production of Norway spruce which necessitates the search for durable control and management strategies. Breeding for resistant traits is considered a viable long-term strategy. However, identification of potential resistant traits and markers remains a major challenge. In this study, short-term disease resistance screening was conducted using 218 Norway spruce clones from 17 families. Disease resistance was evaluated based on the size of necrosis lesion length following infection with the pathogen. A subset of needles/branches from clones with small (partial resistant) or large (susceptible) lesions were used for terpene analysis and transcriptomic profiling. The results revealed that the content of monoterpene linalool and 1,8-cineole and their respective encoded genes were significantly more abundant and highly expressed in the partial resistant group. Furthermore, linalool and 1,8-cineole were demonstrated to have inhibitory effect on the growth of the pathogen H. parviporum, with morphological distortion of the hyphae. RNAseq analysis revealed that transcript of pathogen genes involved in the regulation of carbohydrate metabolism and stress responses were significantly decreased in presence of the terpenes. The results suggest the relevance of monoterpenes together with jasmonic acid precursor and some genes involved in phenylpropanoid biosynthesis, as constitutive tolerance factors for Norway spruce tolerance against necrotrophic pathogen. The high level of necrosis related cell death gene expression might be factors critical for host susceptibility and disease development.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613380","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
A Novel Ah-miR2916-AhERF13-AhSUC3 Module Regulates Al Tolerance via Ethylene-Mediated Signaling in Peanut (Arachnis hypogea L). 新型 Ah-miR2916-AhERF13-AhSUC3 模块通过乙烯介导的信号传导调节花生(Arachnis hypogea L)的耐铝性。
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-13 DOI: 10.1111/pce.15267
Yusun Shi, Guoting Liao, Ailing Li, Xinyue Li, Dong Xiao, Aiqin Wang, Longfei He, Jie Zhan
{"title":"A Novel Ah-miR2916-AhERF13-AhSUC3 Module Regulates Al Tolerance via Ethylene-Mediated Signaling in Peanut (Arachnis hypogea L).","authors":"Yusun Shi, Guoting Liao, Ailing Li, Xinyue Li, Dong Xiao, Aiqin Wang, Longfei He, Jie Zhan","doi":"10.1111/pce.15267","DOIUrl":"https://doi.org/10.1111/pce.15267","url":null,"abstract":"<p><p>Aluminum (Al) toxicity in acidic soils leads to a considerable reduction in crop yields. MicroRNAs play essential roles in abiotic stress responses, but little is known of their role in the response of peanut (Arachnis hypogea L.) to Al stress. In this study, a novel Ah-miR2916 (miR2916)-AhERF13-AhSUC3 module was found to be involved in the Al-stress response via ethylene-mediated signaling in peanut. Overexpression of miR2916 in Arabidopsis resulted in reduced Al tolerance by downregulating ethylene biosynthesis, while knockdown miR2916 in peanut enhanced Al tolerance. Notably, the APETALA2/ethylene-responsive factor (ERF), AhERF13, was identified as a potential target of miR2916. AhERF13 expression was increased in miR2916 knockdown peanut lines and displayed an opposing pattern to that of miR2916 under Al stress. Consistently, knockdown AhERF13 peanut lines indicated that AhERF13 positively regulates Al tolerance by upregulating ethylene biosynthesis. AhERF13 was shown capable of binding to an ERF motif in the promoter region of sucrose transport protein 3 (AhSUC3) and positively regulate its expression. Consequently, AhSUC3 improved Al tolerance by upregulating ethylene biosynthesis. These results provide further insights into the molecular mechanisms operating during peanut response to Al stress, and suggests targets for manipulation in breeding programs for improved Al tolerance.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613372","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
Understory Environmental Conditions Drive Leaf Level-Lipid Biosynthesis in a Deciduous and Evergreen Tree Species. 落叶和常绿树种叶层脂质生物合成的下层环境条件驱动因素
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-12 DOI: 10.1111/pce.15264
Zhao Wang, Joseph D White, William C Hockaday
{"title":"Understory Environmental Conditions Drive Leaf Level-Lipid Biosynthesis in a Deciduous and Evergreen Tree Species.","authors":"Zhao Wang, Joseph D White, William C Hockaday","doi":"10.1111/pce.15264","DOIUrl":"https://doi.org/10.1111/pce.15264","url":null,"abstract":"<p><p>Plants in the understory experience climatic conditions affected by the overstory canopy that influence physiological and biochemical processes. Here, we investigate the relationships of leaf lipid molecular abundances to leaf water content, transmitted irradiance, and free-air temperature (T<sub>air</sub>) from deciduous angiosperm (Quercus buckleyi) and evergreen gymnosperm (Juniperus ashei) understory trees across an elevation gradient in a central Texas (USA) woodland. Monthly sampling from 04/2019 to 01/2020 revealed that long-chain leaf waxes (≥ C<sub>27</sub>) accumulated with leaf water deficit over the growing season for both tree species. Higher transmitted light during the hottest, driest months was due to a decreased leaf area index (LAI) in the canopy as leaf shedding is a common drought response. Isoprenoids (sesqui-, di-terpenoids, phytosterols) in leaves changed by month with changing LAI and transmittance associated with monthly T<sub>air</sub> changes. The chain length of n-alkanols in Q. buckleyi shifted with seasonal LAI at different topographic positions. The unsaturation of fatty acids in both tree species decreased with increased seasonal T<sub>air</sub> but showed topography sensitivity. Leaf-level metabolites responded to understory microclimatic variables that were influenced by seasonality and topography.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142612340","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
The MYC Gene RrbHLH105 Contributes to Salt Stress-Induced Geraniol in Rose by Regulating Trehalose-6-Phosphate Signalling. MYC 基因 RrbHLH105 通过调节海藻糖-6-磷酸信号转导,对盐胁迫诱导的玫瑰橙花醇做出了贡献。
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-11 DOI: 10.1111/pce.15266
Mingyue Bao, Yong Xu, Guo Wei, Mengjuan Bai, Jianwen Wang, Liguo Feng
{"title":"The MYC Gene RrbHLH105 Contributes to Salt Stress-Induced Geraniol in Rose by Regulating Trehalose-6-Phosphate Signalling.","authors":"Mingyue Bao, Yong Xu, Guo Wei, Mengjuan Bai, Jianwen Wang, Liguo Feng","doi":"10.1111/pce.15266","DOIUrl":"https://doi.org/10.1111/pce.15266","url":null,"abstract":"<p><p>Rose (Rosa rugosa) is an important perfume plant, but its cultivation is significantly constrained by salt stress. Terpenes represent the most abundant volatile aromatic compounds in roses, yet little is known about how terpene metabolism responds to salt stress. In this study, salt-treated rose petals presented significant accumulation of monoterpenes, including geraniol, due to the disruption of jasmonic acid (JA) biosynthesis and signalling. Overexpression and silencing analyses revealed a MYC transcription factor involved in JA signalling (RrbHLH105) as a repressor of geraniol biosynthesis. RrbHLH105 was shown to activate the trehalose-6-phosphate synthase genes RrTPS5 and RrTPS8 by binding to the E-box (5'-CANNTG-3'). The increased trehalose-6-phosphate content and decreased geraniol content in rose petals overexpressing TPS5 or RrTPS8, along with the high accumulation of geraniol in petals where both RrbHLH105 and TPSs were cosilenced, indicate that trehalose signalling plays a role in the negative regulation of geraniol accumulation via the RrbHLH105-TPS module. In summary, the suppression of RrbHLH105 by salt stress leads to excessive geraniol accumulation through the inhibition of both RrbHLH105-mediated JA signalling and RrTPS-mediated trehalose signalling in rose petals. Additionally, this study highlights the emerging role of RrbHLH105 as a critical integrator of JA and trehalose signalling crosstalk.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142612324","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
Enhanced CO2 Coordinates the Spatial Recruitment of Diazotrophs in Rice Via Root Development. 增强的二氧化碳通过根系发育协调水稻中重氮营养体的空间招募
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-11 DOI: 10.1111/pce.15259
Junwen Zhao, Yuting Chen, Qi Tao, Lukas Schreiber, Kiran Suresh, Michael Frei, Muhammad Shahedul Alam, Bing Li, Yaping Zhou, Marcel Baer, Frank Hochholdinger, Changquan Wang, Peng Yu
{"title":"Enhanced CO<sub>2</sub> Coordinates the Spatial Recruitment of Diazotrophs in Rice Via Root Development.","authors":"Junwen Zhao, Yuting Chen, Qi Tao, Lukas Schreiber, Kiran Suresh, Michael Frei, Muhammad Shahedul Alam, Bing Li, Yaping Zhou, Marcel Baer, Frank Hochholdinger, Changquan Wang, Peng Yu","doi":"10.1111/pce.15259","DOIUrl":"https://doi.org/10.1111/pce.15259","url":null,"abstract":"<p><p>Understanding the reciprocal interaction between root development and coadapted beneficial microbes in response to elevated CO<sub>2</sub> (eCO<sub>2</sub>) will facilitate the identification of nutrient-efficient cultivars for sustainable agriculture. Here, systematic morphological, anatomical, chemical and gene expression assays performed under low-nitrogen conditions revealed that eCO<sub>2</sub> drove the development of the endodermal barrier with respect to L-/S-shaped lateral roots (LRs) in rice. Next, we applied metabolome and endodermal-cell-specific RNA sequencing and showed that rice adapts to eCO<sub>2</sub> by spatially recruiting diazotrophs via flavonoid secretion in L-shaped LRs. Using the rice Casparian strip mutant Oscasp1-1, we confirmed that reduced lignin deposition selectively recruits the diazotrophic family of Oxalobacteraceae to confer tolerance to low nitrogen availability.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613376","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
Simulation of Defoliation Effects on Relay Strip Intercropping Soybean: Elucidating Foliar Shedding and Leaf-to-Nodule Growth Plasticity. 模拟落叶对间作套种大豆的影响:阐明叶片脱落和叶至节间的生长可塑性。
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-11 DOI: 10.1111/pce.15251
Yiling Li, Mingyue Wang, Ping Chen, Kai Luo, Ping Lin, Zhidan Fu, Tian Pu, Xiaochun Wang, Taiwen Yong, Wenyu Yang
{"title":"Simulation of Defoliation Effects on Relay Strip Intercropping Soybean: Elucidating Foliar Shedding and Leaf-to-Nodule Growth Plasticity.","authors":"Yiling Li, Mingyue Wang, Ping Chen, Kai Luo, Ping Lin, Zhidan Fu, Tian Pu, Xiaochun Wang, Taiwen Yong, Wenyu Yang","doi":"10.1111/pce.15251","DOIUrl":"https://doi.org/10.1111/pce.15251","url":null,"abstract":"<p><p>Extensive foliar shedding in monoculture soybeans post-anthesis negatively impacts yield, whereas relay strip intercropping prolongs leaf area duration, enhancing productivity. However, little is known about the causes of leaf shedding in monoculture and its impact on physiological functions and plasticity of source and sink organs, we conducted a 4-year field experiment and leaf-removal simulations in relay intercropped soybeans. Results revealed that monoculture soybeans experienced severe self-shading and defoliation, while relay intercropping maintained better light conditions, supporting higher leaf area, nodule numbers, and carbon allocation. Increasing leaf removal initially increased leaf area but eventually reduced it. Extensive leaf-removal reduced Rubisco and sucrose phosphate synthase (SPS) activity, as well as sucrose, malate, ATP, and energy charge (EC) in nodules, revealing a trade-off between leaf growth and nodule development. Moderate leaf-removal (L30), however, balanced compensation and consumption, increasing total non-structural carbohydrates (TNC) in roots and N and ureide in leaves and pods. Network analysis showed that L30 improved the synergies of functional traits in leaves and nodules, ultimately benefiting overall plant growth and nutrient accumulation in pods. This study elucidates a mechanism of foliar shedding and highlights how relay strip intercropping optimizes source-sink coordination to enhance photosynthesis and nitrogen fixation.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611706","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
Modulation of Root Hydrotropism and Recovery From Drought by MIZ1-like Genes in Tomato. 番茄中的 MIZ1 类基因对根部向水性和干旱恢复的调节作用
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-11 DOI: 10.1111/pce.15260
Yonatan Wexler, Yvonne Kiere, Guy Sobol, Roye Nuriel, Shaked Azoulay-Portal, Amir Cohen, Hila Toporik, Metsada Pasmanik-Chor, Aliza Finkler, Doron Shkolnik
{"title":"Modulation of Root Hydrotropism and Recovery From Drought by MIZ1-like Genes in Tomato.","authors":"Yonatan Wexler, Yvonne Kiere, Guy Sobol, Roye Nuriel, Shaked Azoulay-Portal, Amir Cohen, Hila Toporik, Metsada Pasmanik-Chor, Aliza Finkler, Doron Shkolnik","doi":"10.1111/pce.15260","DOIUrl":"https://doi.org/10.1111/pce.15260","url":null,"abstract":"<p><p>Drought limits crop performance worldwide. Plant roots' ability to grow toward moisture, termed hydrotropism, is considered one strategy for optimizing water recruitment from the growth medium. Based on the sequence of the hydrotropism-indispensable MIZ1 protein in Arabidopsis thaliana, we identify hydrotropism and drought-responsive genes in tomato. We utilized CRISPR/Cas9 genome-editing technology for targeted mutagenesis of three hydrotropism-associated loci (MIZ1-like) in tomato (Solanum lycopersicum). We show that the three tomato MIZ1-like genes are drought-responsive and two of them are hydrostimulation-responsive. Examination of the root hydrotropic response of triple and double mutants indicated the gene SlMIZ1-1 as indispensable for tomato root hydrotropism. Moreover, expression of the SlMIZ1-1 gene in the Arabidopsis miz1 mutant effectively complemented the lost MIZ1 functionality, including root hydrotropic bending and generation of hydrotropic Ca<sup>2+</sup> signals. Transcriptome analysis of hydrostimulated tomato root tips under control gravity and continuous clinorotation conditions was performed to identify gravitropism- and hydrotropism-responsive genes. This analysis suggested the involvement of ethylene and ABA signalling in modulating the interplay between hydrotropism and gravitropism. Unveiling the molecular mechanisms that underlie hydrotropism and drought response holds great potential for improving crop performance under limiting water availability due to global climate changes.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611439","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
TaWRKY17 Interacts With TaWRKY44 to Promote Expression of TaDHN7 for Salt Tolerance in Wheat. TaWRKY17 与 TaWRKY44 相互作用,促进 TaDHN7 在小麦中的耐盐表达。
IF 6 1区 生物学
Plant, Cell & Environment Pub Date : 2024-11-11 DOI: 10.1111/pce.15277
Zhenzhen Jia, Tuo Zeng, Lei Gu, Hongcheng Wang, Bin Zhu, Mingjian Ren, Xuye Du
{"title":"TaWRKY17 Interacts With TaWRKY44 to Promote Expression of TaDHN7 for Salt Tolerance in Wheat.","authors":"Zhenzhen Jia, Tuo Zeng, Lei Gu, Hongcheng Wang, Bin Zhu, Mingjian Ren, Xuye Du","doi":"10.1111/pce.15277","DOIUrl":"https://doi.org/10.1111/pce.15277","url":null,"abstract":"<p><p>Wheat is a crucial food crop, yet its production is continually threatened by abiotic stresses, particularly salt stress. Understanding the molecular mechanisms by which wheat responds to salt stress is essential for developing salt-tolerant varieties. In this study, we investigated the molecular pathway involving the wheat TaDHN7 in response to salt stress. The overexpression of TaDHN7 enhances salt tolerance and reactive oxygen species (ROS) scavenging in wheat, while the knockout of TaDHN7 significantly impairs salt tolerance. Furthermore, we identified that TaWRKY44 promotes the expression of TaDHN7 by binding to the W-box within the TaDHN7 promoter. Additionally, TaWRKY17 interacts with TaWRKY44, and this interaction enhances the protein stability of TaWRKY44 under salt stress, thereby enhancing its transcriptional regulatory capacity on TaDHN7. This study elucidates the TaWRKY17-TaWRKY44-TaDHN7 pathway in response to salt stress in wheat, providing valuable insights for the development of salt-tolerant wheat cultivars.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.0,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142611839","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
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