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Modulatory responses of physiological and biochemical status are related to drought tolerance levels in peanut cultivars. 生理和生化状态的调节反应与花生栽培品种的耐旱水平有关。
IF 4.2 3区 生物学
Plant Biology Pub Date : 2025-01-01 Epub Date: 2024-11-14 DOI: 10.1111/plb.13740
M V Checchio, A L Bacha, W C Carrega, G da Silveira Sousa Júnior, P L da Costa Aguiar Alves, P L Gratão
{"title":"Modulatory responses of physiological and biochemical status are related to drought tolerance levels in peanut cultivars.","authors":"M V Checchio, A L Bacha, W C Carrega, G da Silveira Sousa Júnior, P L da Costa Aguiar Alves, P L Gratão","doi":"10.1111/plb.13740","DOIUrl":"10.1111/plb.13740","url":null,"abstract":"<p><p>Peanut (Arachis hypogaea L.) is the fourth most cultivated oilseed in the world, but its cultivation is subject to fluctuations in water demand. Current studies of tolerance between cultivars and physiological mechanisms involved in plant recovery after drought are insufficient for selection of tolerant cultivars. We evaluated tolerance of different peanut cultivars to water deficit and subsequent rehydration, based on physiological and biochemical status. Gas exchange, photosynthetic pigments, F<sub>v</sub>/F<sub>m</sub>, MDA, H<sub>2</sub>O<sub>2</sub> and antioxidant enzyme activity were analysed. Drought stress and rehydration triggered distinct changes in pigments, F<sub>v</sub>/F<sub>m</sub>, gas exchange, and H<sub>2</sub>O<sub>2</sub> across genotypes, with increased MDA in all cultivars under stress. Based on multivariate analysis, 'IAC Sempre Verde' was identified as most drought sensitive, while 'IAC OL3', 'IAC 503', and 'IAC OL6' exhibited variations in physiological responses and antioxidant activity correlated to their respective tolerance levels. Notably, 'IAC OL3' had higher WUE and enhanced enzymatic defence and was classified as the most drought tolerant in this context. The above findings suggest that antioxidant metabolism is a important factor for plant recovery post-rehydration. Our study provides insights into antioxidant and physiological responses of peanut cultivars, which can support breeding programs for selection of drought-tolerant genotypes. Future field studies should be conducted for a better understanding of tolerance of these cultivars, particularly through correlation of these data with crop yield impact.</p>","PeriodicalId":220,"journal":{"name":"Plant Biology","volume":" ","pages":"116-124"},"PeriodicalIF":4.2,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Species-Specific Traits Shape Genetic Diversity During an Expansion-Contraction Cycle and Bias Demographic History Reconstruction.
IF 4.5 1区 生物学
Molecular Ecology Pub Date : 2025-01-01 Epub Date: 2024-12-11 DOI: 10.1111/mec.17597
Ravi Vishwakarma, Gabriele Maria Sgarlata, David Soriano-Paños, Rita Rasteiro, Tiago Maié, Tiago Paixão, Rémi Tournebize, Lounès Chikhi
{"title":"Species-Specific Traits Shape Genetic Diversity During an Expansion-Contraction Cycle and Bias Demographic History Reconstruction.","authors":"Ravi Vishwakarma, Gabriele Maria Sgarlata, David Soriano-Paños, Rita Rasteiro, Tiago Maié, Tiago Paixão, Rémi Tournebize, Lounès Chikhi","doi":"10.1111/mec.17597","DOIUrl":"10.1111/mec.17597","url":null,"abstract":"<p><p>Species ranges are dynamic, experiencing expansions, contractions or shifts in response to habitat changes driven by extrinsic factors such as climate change or human activities. While existing research examines the genetic consequences of spatial processes, few studies integrate species-specific traits to analyse how habitat changes affect co-existing species. In this study, we address this gap by investigating how genetic diversity patterns vary among species with different traits (such as generation length, population density and dispersal) experiencing similar habitat changes. Using spatial simulations and a simpler panmictic population model, we investigate the temporal genetic diversity in refugium populations undergoing range expansion of their habitat, followed by stationary and contraction periods. By varying habitat contraction speed and species traits, we identified three distinct temporal dynamics of genetic diversity during contraction: (i) a decrease in genetic diversity, (ii) an initial increase followed by a decrease and (iii) a continuous increase throughout the contraction period. We show that genetic diversity trajectories during population decline can be predicted by comparing sampled population diversity to equilibrium values expected under expanded and contracted habitat ranges. Our study also challenges the belief that high genetic diversity in a refugium population is due to a recent and rapid habitat loss. Instead, we found contrasting effects of contraction speed on genetic diversity depending on the interaction between species-specific traits and the dynamics of habitat change. Finally, using simulated genetic data, we found that demographic histories inferred from effective population size estimates may vary across species, even when they experience similar habitat changes.</p>","PeriodicalId":210,"journal":{"name":"Molecular Ecology","volume":" ","pages":"e17597"},"PeriodicalIF":4.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142811454","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
Field Reduction of Ectomycorrhizal Fungi Has Cascading Effects on Soil Microbial Communities and Reduces the Abundance of Ectomycorrhizal Symbiotic Bacteria. 田间减少外生菌根真菌会对土壤微生物群落产生连带效应,并降低外生菌根共生细菌的丰度。
IF 4.5 1区 生物学
Molecular Ecology Pub Date : 2025-01-01 Epub Date: 2024-11-11 DOI: 10.1111/mec.17585
Louis Berrios, Kabir G Peay
{"title":"Field Reduction of Ectomycorrhizal Fungi Has Cascading Effects on Soil Microbial Communities and Reduces the Abundance of Ectomycorrhizal Symbiotic Bacteria.","authors":"Louis Berrios, Kabir G Peay","doi":"10.1111/mec.17585","DOIUrl":"10.1111/mec.17585","url":null,"abstract":"<p><p>Specific interactions between bacteria and ectomycorrhizal fungi (EcMF) can benefit plant health, and saprotrophic soil fungi represent a potentially antagonistic guild to these mutualisms. Yet there is little field-derived experimental evidence showing how the relationship among these three organismal groups manifests across time. To bridge this knowledge gap, we experimentally reduced EcMF in forest soils and monitored both bacterial and fungal soil communities over the course of a year. Our analyses demonstrate that soil trenching shifts the community composition of fungal communities towards a greater abundance of taxa with saprotrophic traits, and this shift is linked to a decrease in both EcMF and a common ectomycorrhizal helper bacterial genus, Burkholderia, in a time-dependent manner. These results not only reveal the temporal nature of a widespread tripartite symbiosis between bacteria, EcMF and a shared host tree, but they also refine our understanding of the commonly referenced 'Gadgil effect' by illustrating the cascading effects of EcMF suppression and implicating soil saprotrophic fungi as potential antagonists on bacterial-EcMF interactions.</p>","PeriodicalId":210,"journal":{"name":"Molecular Ecology","volume":" ","pages":"e17585"},"PeriodicalIF":4.5,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142613298","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
Letter: Differences in Disease Characteristics and Treatment Exposures Between Paediatric and Adult-Onset IBD. 信:儿科 IBD 和成人 IBD 的疾病特征和治疗暴露差异。
IF 6.6 1区 医学
Alimentary Pharmacology & Therapeutics Pub Date : 2025-01-01 Epub Date: 2024-10-04 DOI: 10.1111/apt.18313
Xinli Chen, Wenjun Wang, Jianyu Lv
{"title":"Letter: Differences in Disease Characteristics and Treatment Exposures Between Paediatric and Adult-Onset IBD.","authors":"Xinli Chen, Wenjun Wang, Jianyu Lv","doi":"10.1111/apt.18313","DOIUrl":"10.1111/apt.18313","url":null,"abstract":"","PeriodicalId":121,"journal":{"name":"Alimentary Pharmacology & Therapeutics","volume":" ","pages":"214-215"},"PeriodicalIF":6.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142374721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Letter: Analysis of "Faecal Biomarkers for Diagnosis and Prediction of Disease Course in Treatment-Naïve Patients With IBD"-Authors' Reply. 信:粪便生物标志物用于诊断和预测治疗无效 IBD 患者的病程 "分析--作者的回复。
IF 6.6 1区 医学
Alimentary Pharmacology & Therapeutics Pub Date : 2025-01-01 Epub Date: 2024-11-03 DOI: 10.1111/apt.18369
Maria Ling Lundström, Maria Lampinen, Marie Carlson, Jonas Halfvarson
{"title":"Letter: Analysis of \"Faecal Biomarkers for Diagnosis and Prediction of Disease Course in Treatment-Naïve Patients With IBD\"-Authors' Reply.","authors":"Maria Ling Lundström, Maria Lampinen, Marie Carlson, Jonas Halfvarson","doi":"10.1111/apt.18369","DOIUrl":"10.1111/apt.18369","url":null,"abstract":"","PeriodicalId":121,"journal":{"name":"Alimentary Pharmacology & Therapeutics","volume":" ","pages":"220-221"},"PeriodicalIF":6.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142566620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial: Navigating the Beta-Blocker Dilemma in Advanced Liver Cirrhosis-When Is the Right Time to Discontinue? 社论:驾驭晚期肝硬化患者的贝塔受体阻滞剂困境--何时才是停药的正确时机?
IF 6.6 1区 医学
Alimentary Pharmacology & Therapeutics Pub Date : 2025-01-01 Epub Date: 2024-11-04 DOI: 10.1111/apt.18334
Louise J M Alferink, Robert J de Knegt
{"title":"Editorial: Navigating the Beta-Blocker Dilemma in Advanced Liver Cirrhosis-When Is the Right Time to Discontinue?","authors":"Louise J M Alferink, Robert J de Knegt","doi":"10.1111/apt.18334","DOIUrl":"10.1111/apt.18334","url":null,"abstract":"","PeriodicalId":121,"journal":{"name":"Alimentary Pharmacology & Therapeutics","volume":" ","pages":"192-193"},"PeriodicalIF":6.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142574793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial: Metabolic Dysfunction and Alcohol-Two Sides of the Same Coin. 社论:代谢功能障碍与酒精--一枚硬币的两面。
IF 6.6 1区 医学
Alimentary Pharmacology & Therapeutics Pub Date : 2025-01-01 Epub Date: 2024-11-27 DOI: 10.1111/apt.18323
Gustavo Ayares, Luis Antonio Díaz
{"title":"Editorial: Metabolic Dysfunction and Alcohol-Two Sides of the Same Coin.","authors":"Gustavo Ayares, Luis Antonio Díaz","doi":"10.1111/apt.18323","DOIUrl":"10.1111/apt.18323","url":null,"abstract":"","PeriodicalId":121,"journal":{"name":"Alimentary Pharmacology & Therapeutics","volume":" ","pages":"186-187"},"PeriodicalIF":6.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142737891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Consensus Statements on Assessments and Vaccinations Prior to Commencement of Advanced Therapies for the Treatment of Inflammatory Bowel Diseases. 关于治疗炎症性肠病的先进疗法开始前的评估和疫苗接种的共识声明》。
IF 6.6 1区 医学
Alimentary Pharmacology & Therapeutics Pub Date : 2025-01-01 Epub Date: 2024-10-10 DOI: 10.1111/apt.18318
Rupert W Leong, Anthony Sakiris, Arteen Arzivian, John David Chetwood, Thanaboon Chaemsupaphan, Miles P Sparrow, Michael A Kamm, Viraj Kariayawasam
{"title":"Consensus Statements on Assessments and Vaccinations Prior to Commencement of Advanced Therapies for the Treatment of Inflammatory Bowel Diseases.","authors":"Rupert W Leong, Anthony Sakiris, Arteen Arzivian, John David Chetwood, Thanaboon Chaemsupaphan, Miles P Sparrow, Michael A Kamm, Viraj Kariayawasam","doi":"10.1111/apt.18318","DOIUrl":"10.1111/apt.18318","url":null,"abstract":"<p><strong>Background: </strong>Given the introduction of new advanced therapies for inflammatory bowel diseases (IBDs), expanded risk mitigation strategies are essential.</p><p><strong>Aims: </strong>To create a comprehensive set of statements on assessment procedures and vaccinations before starting monoclonal antibodies, Janus kinase (JAK) inhibitors or sphingosine-1-phosphate (S1P) modulators for IBD.</p><p><strong>Methods: </strong>We examined literature, guidelines and drug product information regarding vaccination and assessment recommendations for initiating advanced IBD therapies. Using a modified Delphi approach, delegates voted anonymously on the acceptability of these statements prior to and following consensus discussion.</p><p><strong>Results: </strong>We developed eight statements on the domains of infectious diseases screening, vaccinations and assessments prior to commencing JAK inhibitors and S1P modulators. Six statements received agreement. Pre-advanced therapy screening for infectious diseases was established, and the vaccination protocol was revised. Malignancy, cardiovascular and thromboembolic risk assessments are necessary before initiating JAK inhibitors. Those starting S1P modulators need cardiac and ophthalmic assessments.</p><p><strong>Conclusions: </strong>These consensus statements combine vaccination and assessments on the currently available advanced therapies for IBD as a single comprehensive document that may reduce IBD complications associated with use of advanced therapies. Knowledge gaps identified during the consensus process will provide further research opportunities.</p>","PeriodicalId":121,"journal":{"name":"Alimentary Pharmacology & Therapeutics","volume":" ","pages":"132-144"},"PeriodicalIF":6.6,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11636097/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142386564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
m 6 A-mediated gluconeogenic enzyme PCK1 upregulation protects against hepatic ischemia-reperfusion injury. m6A 介导的葡萄糖生成酶 PCK1 上调可保护肝脏免受缺血再灌注损伤。
IF 12.9 1区 医学
Hepatology Pub Date : 2025-01-01 Epub Date: 2023-12-12 DOI: 10.1097/HEP.0000000000000716
Shanshan Yu, Xiao Liu, Yan Xu, Lijie Pan, Yihan Zhang, Yanli Li, Shuai Dong, Dan Tu, Yuetong Sun, Yiwang Zhang, Zhuowei Zhou, Xiaoqi Liang, Yiju Huang, Jiajie Chu, Silin Tu, Chang Liu, Huaxin Chen, Wenjie Chen, Mian Ge, Qi Zhang
{"title":"m 6 A-mediated gluconeogenic enzyme PCK1 upregulation protects against hepatic ischemia-reperfusion injury.","authors":"Shanshan Yu, Xiao Liu, Yan Xu, Lijie Pan, Yihan Zhang, Yanli Li, Shuai Dong, Dan Tu, Yuetong Sun, Yiwang Zhang, Zhuowei Zhou, Xiaoqi Liang, Yiju Huang, Jiajie Chu, Silin Tu, Chang Liu, Huaxin Chen, Wenjie Chen, Mian Ge, Qi Zhang","doi":"10.1097/HEP.0000000000000716","DOIUrl":"10.1097/HEP.0000000000000716","url":null,"abstract":"<p><strong>Background and aims: </strong>Ischemia-reperfusion (I/R) injury frequently occurs during liver surgery, representing a major reason for liver failure and graft dysfunction after operation. The metabolic shift from oxidative phosphorylation to glycolysis during ischemia increased glucose consumption and accelerated lactate production. We speculate that donor livers will initiate gluconeogenesis, the reverse process of glycolysis in theory, to convert noncarbohydrate carbon substrates (including lactate) to glucose to reduce the loss of hepatocellular energy and foster glycogen storage for use in the early postoperative period, thus improving post-transplant graft function.</p><p><strong>Approach and results: </strong>By analyzing human liver specimens before and after hepatic I/R injury, we found that the rate-limiting enzyme of gluconeogenesis, PCK1, was significantly induced during liver I/R injury. Mouse models with liver I/R operation and hepatocytes treated with hypoxia/reoxygenation confirmed upregulation of PCK1 during I/R stimulation. Notably, high PCK1 level in human post-I/R liver specimens was closely correlated with better outcomes of liver transplantation. However, blocking gluconeogenesis with PCK1 inhibitor aggravated hepatic I/R injury by decreasing glucose level and deepening lactate accumulation, while overexpressing PCK1 did the opposite. Further mechanistic study showed that methyltransferase 3-mediated RNA N6-methyladinosine modification contributes to PCK1 upregulation during hepatic I/R injury, and hepatic-specific knockout of methyltransferase 3 deteriorates liver I/R injury through reducing the N6-methyladinosine deposition on PCK1 transcript and decreasing PCK1 mRNA export and expression level.</p><p><strong>Conclusions: </strong>Our study found that activation of the methyltransferase 3/N6-methyladinosine-PCK1-gluconeogenesis axis is required to protect against hepatic I/R injury, providing potential intervention approaches for alleviating hepatic I/R injury during liver surgery.</p>","PeriodicalId":177,"journal":{"name":"Hepatology","volume":" ","pages":"94-110"},"PeriodicalIF":12.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138796778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The fade-out of HCV coinfection in people who live with HIV. 艾滋病病毒感染者合并感染丙型肝炎病毒的消退。
IF 12.9 1区 医学
Hepatology Pub Date : 2025-01-01 Epub Date: 2024-05-01 DOI: 10.1097/HEP.0000000000000922
Georg Semmler, Mattias Mandorfer
{"title":"The fade-out of HCV coinfection in people who live with HIV.","authors":"Georg Semmler, Mattias Mandorfer","doi":"10.1097/HEP.0000000000000922","DOIUrl":"10.1097/HEP.0000000000000922","url":null,"abstract":"","PeriodicalId":177,"journal":{"name":"Hepatology","volume":" ","pages":"11-13"},"PeriodicalIF":12.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140849504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","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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