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Rhabdovirus Glycoprotein Triggers Janus Kinase/Signal Transducer and Activator of Transcription Antiviral Immunity via Direct Recognition by Insect Dome Receptor. 横纹肌病毒糖蛋白通过昆虫圆顶受体直接识别触发Janus激酶/信号转导和转录激活因子的抗病毒免疫。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-23 DOI: 10.1111/pce.70198
Tingting Yu, You Li, Mengjia Xu, Zhihao Wan, Dongsheng Jia, Taiyun Wei
{"title":"Rhabdovirus Glycoprotein Triggers Janus Kinase/Signal Transducer and Activator of Transcription Antiviral Immunity via Direct Recognition by Insect Dome Receptor.","authors":"Tingting Yu, You Li, Mengjia Xu, Zhihao Wan, Dongsheng Jia, Taiyun Wei","doi":"10.1111/pce.70198","DOIUrl":"https://doi.org/10.1111/pce.70198","url":null,"abstract":"<p><p>Janus kinase/signal transducer and activator of transcription (JAK/STAT) immune response traditionally requires cytokine binding to receptors for activation; however, it remains unclear whether cytokine receptors function as direct pattern recognition receptors (PRRs) that recognise viral envelopes. In this study, we demonstrate that cytokine receptor Domeless (Dome) in leafhopper Recilia dorsalis directly recognises glycoprotein (G) of an important rice rhabdovirus. This binding induces Dome dimerisation, which initiates JAK/STAT pathway and leads to STAT-dependent expression of antiviral immune effector in R. dorsalis (RdIE1). RdIE1 suppresses viral replication by inhibiting the RNA-binding activity of viral large polymerase (L). Dome residue T659 is essential for G recognition and L residues E774 and D775 are required for RdIE1 target. Notably, virus-encoded phosphoprotein competitively inhibits the phosphorylation of STAT by casein kinase II (CK2β), thereby abrogating STAT-dependent transactivation of target genes. Our findings redefine Dome as a viral sensor and reveal a biphasic strategy that balances antiviral immunity with persistent viral infection in insect vectors.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145129684","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
Effects of Elevated CO2 on Bean Pod Mottle Virus Infection in Both Incompatible and Compatible Interactions With Phaseolus vulgaris L. CO2升高对豆荚斑驳病毒与菜豆不亲和亲和互作感染的影响
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-23 DOI: 10.1111/pce.70191
Tiffanie Scandolera, Julie Lintz, Ariane Gratias, Ellea Aboud, Simon Rochoux, Maria V Préjean, Gilles Chatel Innocenti, Marie Garmier, Gianluca Teano, Juan C Alvarez-Diaz, Graham Noctor, Valérie Geffroy, Stéphanie Pflieger
{"title":"Effects of Elevated CO<sub>2</sub> on Bean Pod Mottle Virus Infection in Both Incompatible and Compatible Interactions With Phaseolus vulgaris L.","authors":"Tiffanie Scandolera, Julie Lintz, Ariane Gratias, Ellea Aboud, Simon Rochoux, Maria V Préjean, Gilles Chatel Innocenti, Marie Garmier, Gianluca Teano, Juan C Alvarez-Diaz, Graham Noctor, Valérie Geffroy, Stéphanie Pflieger","doi":"10.1111/pce.70191","DOIUrl":"https://doi.org/10.1111/pce.70191","url":null,"abstract":"<p><p>Plant viruses cause significant crop losses, a situation that could worsen due to anthropogenic activities driving global climate change, one factor of which is the increase in atmospheric CO<sub>2</sub> concentration. This study assessed the impact of elevated CO<sub>2</sub> concentration (eCO<sub>2</sub>, 1000 vs. 400 ppm) on two genotypes of common bean (Phaseolus vulgaris L.), one susceptible and one resistant, infected with bean pod mottle virus (BPMV, Comovirus siliquae). For both genotypes, we found that plant growth, development and physiology were not enhanced under eCO<sub>2</sub> enrichment in healthy plants, at the stage of BPMV inoculation. Under eCO<sub>2</sub>, the number of primary infection sites was reduced in both genotypes. Consistently, viral titre in inoculated leaves was lower, suggesting an enhanced resistance to BPMV in both genotypes under eCO<sub>2</sub>. To investigate the underlying mechanisms, we studied the expression of genes involved in different antiviral immune pathways: salicylic acid (SA)-signalling, RNA silencing and PAMP-triggered immunity (PTI) pathways. Under our experimental conditions, eCO<sub>2</sub> neither primed the SA-signalling pathway nor the PTI pathway, in both genotypes. However, eCO<sub>2</sub> seems to prime the RNA silencing pathway in the resistant genotype, and to a lesser extent, in the susceptible genotype.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145129763","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
Chemically and Microbially Mediated Kinship Strategies in Rice Cultivar Mixtures. 水稻杂交品种中化学和微生物介导的亲缘关系策略。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-23 DOI: 10.1111/pce.70202
Xin Chen, You Xu, Guo-Chun Ding, Scott J Meiners, Chui-Hua Kong
{"title":"Chemically and Microbially Mediated Kinship Strategies in Rice Cultivar Mixtures.","authors":"Xin Chen, You Xu, Guo-Chun Ding, Scott J Meiners, Chui-Hua Kong","doi":"10.1111/pce.70202","DOIUrl":"https://doi.org/10.1111/pce.70202","url":null,"abstract":"<p><p>Improved yields can occur in closely related cultivar mixtures. Despite increasing knowledge of the benefits of neighbour-relatedness in intraspecific interactions, little is known about chemically and microbially mediated kinship responses in cultivar mixtures. Using a series of field and controlled experiments that used two sets of rice cultivars of varying genetic relatedness, we demonstrated that increased yield in rice cultivar mixtures was mediated by a root signaling chemical and soil microbes in a relatedness-dependent manner. Focal rice cultivars could discriminate closely from distantly related cultivars responded by altering root behavior, biomass allocation, and flowering time, improving grain yield. Relatedness discrimination was accompanied by an alteration in root signaling (-)-loliolide and, subsequently, the soil microbial community. Furthermore, (-)-loliolide directly modified soil microbes that were related to flowering time and seed biomass. Therefore, neighbor relatedness shapes soil microbial communities, generating kinship effects in rice cultivar mixtures. In particular, root signaling (-)-loliolide levels and soil microbial responses generated improvement of grain yield in closely related rice cultivar mixtures. The findings not only yield critical insights into plant-neighbor and plant-soil interactions but also raise an intriguing possibility to increase crop production by manipulating kinship in cultivar mixtures.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145129712","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
Estimating the Photorespiratory CO2 Compensation Point and CO2 Release in the Light Using the Laisk Method Combined With Photosynthetic Theory. 利用Laisk法结合光合理论估算光呼吸CO2补偿点和光释放CO2。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-23 DOI: 10.1111/pce.70195
Darwin L Moreno-Echeverry, Miko U F Kirschbaum, Margaret M Barbour, Lìyǐn L Liáng
{"title":"Estimating the Photorespiratory CO<sub>2</sub> Compensation Point and CO<sub>2</sub> Release in the Light Using the Laisk Method Combined With Photosynthetic Theory.","authors":"Darwin L Moreno-Echeverry, Miko U F Kirschbaum, Margaret M Barbour, Lìyǐn L Liáng","doi":"10.1111/pce.70195","DOIUrl":"https://doi.org/10.1111/pce.70195","url":null,"abstract":"<p><p>The photorespiratory CO<sub>2</sub> compensation point (Γ*) and the rate of CO<sub>2</sub> release in the light (D<sub>L</sub>) are critical parameters for understanding the carbon dynamics of C<sub>3</sub> plants. These two parameters can be derived from the widely-used Laisk method as the intercept of linear regression lines fitted to net assimilation rates (A<sub>net</sub>) vs. chloroplast CO<sub>2</sub> partial pressures (C<sub>c</sub>) obtained at different low-irradiance levels. However, photosynthetic theory indicates curvature in the A<sub>net</sub>-C<sub>c</sub> relationship which conflicts with the use of linear relationships for analysis. We, therefore, systematically evaluated the limitations of the use of linear relationships across temperatures from 5°C to 40°C and quantified the sensitivity of errors in Γ* and D<sub>L</sub> estimates to the selected C<sub>c</sub> range. We found that wide CO<sub>2</sub> ranges, especially when they exclude the expected Γ*, can introduce substantial biases in parameter estimation with linear regressions, particularly at lower temperatures. This can lead to marked underestimates of Γ*, and biologically unrealistic D<sub>L</sub>. We propose refining the Laisk method by using a photosynthesis model to analyse data. The model better represents the nonlinear A<sub>net</sub>-C<sub>c</sub> relationship and yields consistent Γ* and D<sub>L</sub> estimates, regardless of the CO<sub>2</sub> range used.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145129729","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
Signalling Networks Underlying Cell Wall Responses to Salinity Stress. 盐胁迫下细胞壁反应的信号网络。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-18 DOI: 10.1111/pce.70194
George Bawa, Ruiwen Kong, Xi Chen, Jagna Chmielowska-Bąk, Weibing Yang, Xiaoli Sun, Mingzhe Sun
{"title":"Signalling Networks Underlying Cell Wall Responses to Salinity Stress.","authors":"George Bawa, Ruiwen Kong, Xi Chen, Jagna Chmielowska-Bąk, Weibing Yang, Xiaoli Sun, Mingzhe Sun","doi":"10.1111/pce.70194","DOIUrl":"https://doi.org/10.1111/pce.70194","url":null,"abstract":"<p><p>Excess of soluble salts in the soil affects agricultural land globally, limiting plant growth and development by inducing osmotic stress, ion-specific effects, and oxidative damage. Emerging evidence suggests that plant cell walls play a role in sensing and responding to salt stress. The ability of the plant cell wall to modify or remodel itself under high-salt conditions is considered a crucial adaptation mechanism. However, despite these advances, several open questions remain regarding the role of plant cell wall composition under salt stress. In this review, we summarise recent progress in understanding the mechanisms by which plant cell walls respond to salt stress. Additionally, we highlight areas for future discoveries that may have the potential to transform our understanding of cell wall biosynthesis and modification in plant salt tolerance, contributing to crop improvement.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079225","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
Potassium Deficiency and Hormone Signalling in Plants. 植物缺钾与激素信号传导。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-18 DOI: 10.1111/pce.70165
Shefali Mishra, Diksha Bisht, Anna Amtmann, Ashish K Srivastava, Girdhar K Pandey
{"title":"Potassium Deficiency and Hormone Signalling in Plants.","authors":"Shefali Mishra, Diksha Bisht, Anna Amtmann, Ashish K Srivastava, Girdhar K Pandey","doi":"10.1111/pce.70165","DOIUrl":"https://doi.org/10.1111/pce.70165","url":null,"abstract":"<p><p>Potassium (K or K⁺) is a vital macronutrient that influences numerous physiological processes related to plant physiology and development. Recently, there is a growing focus on enhancing K<sup>+</sup>-use efficiency (KUE) to ensure optimal plant growth, especially in K<sup>+</sup> deficient soils. Most approaches are centred on targeting genes associated with K<sup>+</sup> sensing, signalling and other pathways related to plant hormones. However, despite progress, the success stories for generating high KUE crops are still limited. In view of this, the present review highlights the role of hormonal signalling in regulating K<sup>+</sup> deficiency-induced responses in plants. We integrate shreds of evidence of how these K<sup>+</sup>-hormone signalling crosstalk modulate root-system architecture, K⁺ uptake and stress resilience. Furthermore, a meta-analysis-based assessment of different hormones highlighted the central role of jasmonic acid and abscisic acid in mediating K⁺ deficiency-induced changes at the transcriptional level. The present review offers novel insights into K<sup>+</sup>-hormone crosstalk that can be used as a framework for advancing KUE research and addressing challenges towards global food security.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079071","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
Decoding Plant Adaptation Strategies: Insights From Latitudinal Patterns of Leaf Phosphorus Allocation. 解码植物适应策略:来自叶片磷分配的纬度格局的见解。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-18 DOI: 10.1111/pce.70186
Zhiyong Zhang, Zhongjie Shi, Bing Ye
{"title":"Decoding Plant Adaptation Strategies: Insights From Latitudinal Patterns of Leaf Phosphorus Allocation.","authors":"Zhiyong Zhang, Zhongjie Shi, Bing Ye","doi":"10.1111/pce.70186","DOIUrl":"https://doi.org/10.1111/pce.70186","url":null,"abstract":"","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079084","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
CHH Hypomethylation in Promoters of Oxidoreductase Genes May Contribute to Salt-Alkali Tolerance in Alfalfa (Medicago sativa L.). 氧化还原酶基因启动子的CHH低甲基化可能与苜蓿耐盐碱有关。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-17 DOI: 10.1111/pce.70192
Rong Gao, Fenqi Chen, Lijuan Chen, Huiling Ma
{"title":"CHH Hypomethylation in Promoters of Oxidoreductase Genes May Contribute to Salt-Alkali Tolerance in Alfalfa (Medicago sativa L.).","authors":"Rong Gao, Fenqi Chen, Lijuan Chen, Huiling Ma","doi":"10.1111/pce.70192","DOIUrl":"https://doi.org/10.1111/pce.70192","url":null,"abstract":"<p><p>Salt-alkali stress severely impairs the quality and productivity of alfalfa (Medicago sativa), yet the role of epigenetic regulation remains unclear. To study the role of DNA methylation in salt-alkali tolerance, we conducted integrated whole-genome methylome and transcriptome analyses using two alfalfa cultivars with contrasting tolerance. Results showed that global methylation levels were only mildly affected by salt-alkali treatment, while a substantial number of differentially methylated regions emerged in the CHH context, particularly in promoter regions. Notably, the salt-alkali tolerant cultivar exhibited consistently lower CHH methylation in promoter regions than the sensitive cultivar, under both control and salt-alkali stress. Enrichment analysis showed that genes overlapping CHH-DMRs were associated with oxidoreductase activity. Five representative candidate genes-NCED, LOX2, LOX4, CuAO1 and CuAO2-were selected for validation. qRT-PCR and McrBC-PCR assays demonstrated that reduced promoter methylation was closely linked to stress-induced transcriptional activation. To test whether reduced DNA methylation contributes to tolerance, alfalfa seedlings were treated with 5-azacytidine, which enhanced antioxidant capacity under salt-alkali stress and supported a role for DNA demethylation in adaptation. Overall, this study highlights the importance of epigenetic regulation in forage adaptation to stress and provides a theoretical basis for future functional studies and molecular breeding.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145079122","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
Incident Far-Red Photons Drive Leaf Photosynthesis Less Efficiently Than PAR Light, but Are More Effective in Promoting Growth. 入射远红色光子对叶片光合作用的驱动效率低于PAR光,但对促进生长更有效。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-16 DOI: 10.1111/pce.70193
Wenqing Jin, Elias Kaiser, Yingyue Peng, Yawen Gu, Ep Heuvelink, Leo F M Marcelis
{"title":"Incident Far-Red Photons Drive Leaf Photosynthesis Less Efficiently Than PAR Light, but Are More Effective in Promoting Growth.","authors":"Wenqing Jin, Elias Kaiser, Yingyue Peng, Yawen Gu, Ep Heuvelink, Leo F M Marcelis","doi":"10.1111/pce.70193","DOIUrl":"https://doi.org/10.1111/pce.70193","url":null,"abstract":"<p><p>Recently, far-red light (FR) in the range 700-750 nm has been reported to have similar photosynthetic efficiency as photosynthetically active radiation (PAR, 400-700 nm), when supplied in combination with PAR. We aimed to investigate if adding FR to PAR is equally efficient in promoting photosynthesis as adding PAR, and if long-term acclimation to FR would change the short-term response to FR. Lettuce plants were grown in a climate chamber at two levels of PAR (200 and 400 μmol m<sup>-2</sup> s<sup>-1</sup>, red/blue light), and at each PAR level there were also treatments with 25% of PAR or FR added. In all six treatments, response curves of leaf net photosynthesis rate (P<sub>n</sub>) to different intensities of PAR or PAR + FR were determined. Adding FR to PAR increased P<sub>n</sub>, but this was only 39%-64% of the increase seen under additional PAR, due to lower absorption of FR than PAR. Absorbed PAR and FR photons had similar photosynthetic efficiency. Leaves grown under FR showed acclimatory responses, such as reduced photosynthetic capacity and pigmentation, but the instantaneous photosynthesis response to FR was unaffected. FR had strong positive effects on growth: Partly substituting PAR by FR increased the radiation use efficiency of growth even when expressed per unit of absorbed radiation.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145074275","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
Genotype and Phosphorus Availability Shape Chickpea Symbiotic Efficiency and Rhizosphere Microbiome Composition, Driving Contrasting Agro-Physiological Responses. 基因型和磷有效性决定鹰嘴豆共生效率和根际微生物组成,驱动不同农业生理反应。
IF 6.3 1区 生物学
Plant, Cell & Environment Pub Date : 2025-09-16 DOI: 10.1111/pce.70181
Rym Saidi, Mohamed Idbella, Pape Alioune Ndiaye, Ammar Ibnyasser, Chafika Houasli, Zineb Rchiad, Issam Miftah Kadmiri, Khalid Daoui, Adnane Bargaz
{"title":"Genotype and Phosphorus Availability Shape Chickpea Symbiotic Efficiency and Rhizosphere Microbiome Composition, Driving Contrasting Agro-Physiological Responses.","authors":"Rym Saidi, Mohamed Idbella, Pape Alioune Ndiaye, Ammar Ibnyasser, Chafika Houasli, Zineb Rchiad, Issam Miftah Kadmiri, Khalid Daoui, Adnane Bargaz","doi":"10.1111/pce.70181","DOIUrl":"https://doi.org/10.1111/pce.70181","url":null,"abstract":"<p><p>Co-inoculation of grain legumes, including chickpea, with nitrogen-fixing and phosphate-solubilising bacteria (PSB) improves symbiotic efficiency and plant productivity under low-P availability. However, the extent of chickpea's responsiveness to inoculation and their reliance on symbiotic nitrogen (N) fixation remains intricately influenced by plant genotypic diversity and the associated rhizosphere microbiome under different P levels. This study evaluated the agro-physiological, symbiotic and microbial traits of two Moroccan winter chickpea (Cicer arietinum) varieties (Arifi and Bochra) under low-P conditions represented by three rock-P levels (0, 25, 50 and 75 kg P₂O₅ ha<sup>-1</sup>) and co-inoculation with Mesorhizobium ciceri and Rhanella aceri (PSB). Results showed that inoculation at rock-P levels ≥ 50 kg P₂O₅ ha<sup>-1</sup>, significantly improved symbiotic traits, plant biomass and nutrient uptake in both varieties, with Bochra exhibiting superior performance. At 75 kg P₂O₅ ha<sup>-1</sup> of rock-P, Bochra exhibited a strong correlation between root morphological traits and P-related rhizosphere traits. Results further highlighted Bochra's robust response to inoculation under 75 kg P₂O₅ ha<sup>-1</sup> rock-P, driven by its ability to shape the rhizobacterial community composition, where Mesorhizobium dominated and significantly influenced plant and rhizosphere traits. More notably in Bochra than Arifi, rhizobacterial species richness and community composition correlated strongly with nodule traits, plant traits and rhizosphere P-related parameters. These findings elucidate the significant contribution of the rhizosphere bacterial community to the symbiotic performance of Mesorhizobium-inoculated chickpea, which remains both genotype- and P-dependent.</p>","PeriodicalId":222,"journal":{"name":"Plant, Cell & Environment","volume":" ","pages":""},"PeriodicalIF":6.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145074230","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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