New Phytologist最新文献

{"title":"Small net local temporal changes in taxonomic, functional, and phylogenetic biodiversity across European temperate forests","authors":"Liping Wei, Emiel De Lombaerde, Thomas Vanneste, Pieter Sanczuk, Lander Baeten, Jonathan Lenoir, Karen De Pauw, Kris Verheyen, Markus Bernhardt‐Römermann, Antoine Becker‐Scarpitta, Jörg Brunet, Markéta Chudomelová, Guillaume Decocq, Martin Diekmann, Tomasz Durak, Radim Hédl, Thilo Heinken, Peter J. Horchler, Bogdan Jaroszewicz, Martin Kopecký, Martin Macek, František Máliš, Tobias Naaf, Thomas A. Nagel, Anna Orczewska, Petr Petřík, Kamila Reczyńska, Fride Høistad Schei, Wolfgang Schmidt, Jan Šebesta, Alina Stachurska‐Swakoń, Tibor Standovár, Krzysztof Świerkosz, Balázs Teleki, Hans Van Calster, Ondřej Vild, Donald M. Waller, Monika Wulf, Pieter De Frenne","doi":"10.1111/nph.70502","DOIUrl":"https://doi.org/10.1111/nph.70502","url":null,"abstract":"Summary<jats:list list-type=\"bullet\"> <jats:list-item>We face increasing concerns about how the local diversity of native plant communities responds to various drivers of global change, yet often lack comprehensive studies that integrate several components of diversity and the effects of both local and regional drivers of change.</jats:list-item> <jats:list-item>We analyzed changes in taxonomic, functional, and phylogenetic diversity across 2681 (semi‐)permanent temperate forest understory plots surveyed and resurveyed for all vascular plants over intervals of 15–78 yr, spanning 72 regions distributed across Europe. We quantified temporal changes in these diversity indices and assessed their responses to changes in both local drivers (plot‐level overstory cover, indicator values for soil nutrients) and regional shifts in macroclimate and nitrogen deposition.</jats:list-item> <jats:list-item>Overall, local changes in taxonomic, functional, and phylogenetic diversity were centered around zero, reflecting – on average – little net change in forest diversity. Observed diversity changes mostly reflected local conditions such as overstory cover change and baseline soil nutrients rather than regional drivers of large‐scale change. Changes in phylogenetic diversity correlated positively with changes in taxonomic diversity but negatively with changes in functional diversity.</jats:list-item> <jats:list-item>Our findings underscore the importance of local habitat management and multifaceted diversity monitoring for effective biodiversity conservation in temperate forests.</jats:list-item> </jats:list>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"22 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144910707","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}

{"title":"Transgenerational decline through insidious effects of drought memory","authors":"Florent Pantin, Lydie Huché‐Thélier, Nathalie Brouard, Philippe Morel, Nathalie Leduc","doi":"10.1111/nph.70458","DOIUrl":"https://doi.org/10.1111/nph.70458","url":null,"abstract":"","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"33 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144910710","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}

{"title":"Arabidopsis PDK1‐AGC1.5 kinases are crucial for pollen dormancy by promoting JINGUBANG expression and inhibiting jasmonic acid biosynthesis","authors":"Xin Liang, Shi‐Hao Zhu, Hong‐Wei Xue, Sha Li, Yan Zhang, En Li","doi":"10.1111/nph.70499","DOIUrl":"https://doi.org/10.1111/nph.70499","url":null,"abstract":"Summary<jats:list list-type=\"bullet\"> <jats:list-item>The ability to make a timely decision between being dormant and germinating is critical for pollen to achieve a selection advantage. Genetic pathways controlling developmental and environmental‐controlled pollen dormancy remain largely unclear.</jats:list-item> <jats:list-item>We report here that four Arabidopsis AGC kinases, PDK1.1/PDK1.2 and AGC1.5/AGC1.7, form a kinase cascade to maintain pollen dormancy. Both <jats:italic>agc1.5 agc1.7</jats:italic> and <jats:italic>pdk1.1 pdk1.2</jats:italic> show precocious pollen germination; the role of AGC1.5 and 3‐phosphoinositide‐dependent protein kinase‐1 (PDK1) in pollen dormancy depends on their kinase activity.</jats:list-item> <jats:list-item>By pharmacological, molecular, and genetic approaches, we demonstrate that AGC1.5 kinases mediate <jats:italic>JINGUBANG</jats:italic> (<jats:italic>JGB</jats:italic>)‐dependent inhibition of jasmonic acid biosynthesis. Functional loss of the genetic pathway, that is in the <jats:italic>pdk1.1 pdk1.2</jats:italic> or <jats:italic>agc1.5 agc1.7</jats:italic> double mutants, results in hypersensitivity to high humidity.</jats:list-item> <jats:list-item>Results presented uncover a PDK1‐AGC1.5‐<jats:italic>JGB</jats:italic> module mediating developmental and environmental‐controlled pollen dormancy.</jats:list-item> </jats:list>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"124 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144915574","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}

{"title":"Mapping the transcriptional landscape of algal resistance to viral infection reveals a core expression program","authors":"Talia S. Shaler, Amir Fromm, Daniella Schatz, Shifra Ben‐Dor, Ester Feldmesser, Assaf Vardi","doi":"10.1111/nph.70498","DOIUrl":"https://doi.org/10.1111/nph.70498","url":null,"abstract":"Summary<jats:list list-type=\"bullet\"> <jats:list-item>Algal blooms and their demise by viruses drive global‐scale ecological processes in the ocean. These blooms form the foundation of marine food webs, regulate microbial communities, and shape biogeochemical cycles. Although algal populations are constantly infected by viruses, resistant subpopulations frequently emerge after the infection. Yet, antiviral molecular mechanisms of marine microalgae are underexplored.</jats:list-item> <jats:list-item>We used a model system of the ubiquitous microalga <jats:italic>Gephyrocapsa huxleyi</jats:italic> and its giant virus, <jats:italic>Emiliania huxleyi</jats:italic> virus (EhV), to study how resistant populations evolve and to identify their transcriptional programs. We generated a detailed temporal transcriptomic dataset during a viral infection, covering the stages of lysis and the recovery of a resistant subpopulation.</jats:list-item> <jats:list-item>Viral infection triggered prominent transcriptome changes to support viral propagation, followed by a unique transcriptional response in resistant cells. Both infected and resistant cells highly expressed innate immune response genes, notably those with Toll/interleukin‐1 receptor (TIR) domain. Additionally, resistant cells expressed genes involved in membrane‐bound glycan remodeling, sphingolipid metabolism, and nutrient uptake.</jats:list-item> <jats:list-item>Using comparative transcriptomics across diverse resistant <jats:italic>G. huxleyi</jats:italic> strains, we identified a core group of resistance‐related genes, providing a set of gene markers to detect this rare phenotype during the host‐virus arms race in algal blooms.</jats:list-item> </jats:list>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"300 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144915575","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}

{"title":"Fluid mechanics within mycorrhizal networks: exploring concepts, traits, and methodologies","authors":"Pedro Madeira Antunes","doi":"10.1111/nph.70509","DOIUrl":"https://doi.org/10.1111/nph.70509","url":null,"abstract":"SummaryMycorrhizal fungi form hyphal networks for water and solute transport between soil and plant roots. Trait‐based research on these organisms typically focuses on spores and resource exchange structures within plant roots, but researchers have explored extraradical networks, the larger part of these organisms, much less. To stimulate more research in this area, I review the literature on mycorrhizal networks, viewing them as biological vascular systems of pipelines that grow dynamically for resource exploration. In this context, I explore how fluid mechanics can offer traits that are valid in understanding eco‐evolutionary trade‐offs. I also consider the associated topological traits that affect solute transport within hyphal networks. In addition, I identify knowledge gaps and review methodologies for future research in this space.","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"24 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144905911","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}

{"title":"Hydraulic conductivity‐induced systematic parameter variation in a widely used thermal dissipation sap‐flow technique","authors":"Ya‐Jun Chen, Phisamai Maenpuen, Masatoshi Katabuchi, Pantana Tor‐ngern, Sari Palmroth, Shu‐Bin Zhang, Yun‐Xue Xiao, Meng Liu, Ram Oren","doi":"10.1111/nph.70488","DOIUrl":"https://doi.org/10.1111/nph.70488","url":null,"abstract":"Summary<jats:list list-type=\"bullet\"> <jats:list-item>The Granier‐type thermal‐dissipation method (TDM) is the most widely used sap‐flow technique. However, its original calibration coefficients often underestimate high flow rates, limiting their generality.</jats:list-item> <jats:list-item>We derived TDM coefficients (scaling factors and exponents) for 31 species, including 18 diffuse‐porous, two ring‐porous, six palms, and five lianas, representing a broad range of wood properties. Factors influencing the coefficients and their accuracy were also investigated. Furthermore, we compiled 119 published coefficients for 88 additional species covering seven major xylem types.</jats:list-item> <jats:list-item>Most recalibrated and published coefficient values were substantially different from the original values, particularly in ring‐porous and liana species with high hydraulic conductivity. The coefficient values depend on the statistical models and the applied maximum pressure during the calibration process. Vessel–lumen area fraction and hydraulic conductivity explained the interspecific variation in two coefficients at both segment and species levels. We applied recalibrated and original coefficients to a rubber plantation and found that the original coefficients produced unreasonably low transpiration estimates, while recalibrated coefficients yielded reasonable values. Uncertainties in scaling processes, including sapwood‐area and radial and azimuth effects, also contributed significantly to the overall estimates.</jats:list-item> <jats:list-item>Our study demonstrates that accurate transpiration estimation must also address scaling‐related sources of variation, as they contribute equally to uncertainty as poor calibration.</jats:list-item> </jats:list>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"17 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144905912","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}

{"title":"Ericoid mycorrhizal fungal metacommunity facilitates closely related Rhododendron species coexistence","authors":"Ya‐Huang Luo, Liang‐Liang Ma, Marc W. Cadotte, Sebastian Seibold, Jia‐Yun Zou, Jie Song, Wei Zheng, Zhi‐Qiong Mo, Bin Yu, Cai‐Yun Li, Yong‐Hui Qian, Lin‐Jiang Ye, Shao‐Lin Tan, Jie Liu, De‐Zhu Li, Lian‐Ming Gao","doi":"10.1111/nph.70495","DOIUrl":"https://doi.org/10.1111/nph.70495","url":null,"abstract":"Summary<jats:list list-type=\"bullet\"> <jats:list-item>The structural and ecological significance of ericoid mycorrhizal (ErM) fungi is well recognized. Yet, it remains unknown whether the coexistence of ericaceous plants is facilitated by their symbioses with ErM fungi.</jats:list-item> <jats:list-item>Here, we use <jats:italic>Rhododendron</jats:italic> (Ericaceae) as a model to investigate how phylogenetic and functional limiting similarity, or facilitation through ErM fungal metacommunity, influences their co‐occurrence in mountain ecosystems.</jats:list-item> <jats:list-item>We found <jats:italic>Rhododendron</jats:italic> species tended to be phylogenetically and functionally clustered across elevations. However, a substantial dissimilarity in the composition of the putative ErM fungal community was observed among co‐occurring hosts within the same community, especially at higher elevations. Host identity played a predominant role in shaping the composition of the ErM fungal community. Moreover, the degree of network specialization in <jats:italic>Rhododendron</jats:italic>–ErM fungi interactions increased with elevation.</jats:list-item> <jats:list-item>Our study provides one of the first investigations into the drivers of ErM fungal community composition and network specialization in a species‐rich <jats:italic>Rhododendron</jats:italic> assemblage. Host‐symbiont mutualistic interactions in complex landscapes may offer insights into the coexistence of closely related species.</jats:list-item> </jats:list>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"15 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144900308","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}

{"title":"ZmPP2C45 and ZmBELL4 suppress maize biochemical defense against insect herbivores","authors":"Shanshan Zhang, Mei Luo, Renyu Deng, Yanling Cai, Jinfeng Qi, Caiyan Ma, Jie Mei, Wei Li, Wende Liu, Guirong Wang, Georg Jander, Shaoqun Zhou","doi":"10.1111/nph.70485","DOIUrl":"https://doi.org/10.1111/nph.70485","url":null,"abstract":"Summary<jats:list list-type=\"bullet\"> <jats:list-item>Benzoxazinoids (BZX) are the most abundant defensive metabolites of maize (<jats:italic>Zea mays</jats:italic>). Genetic fine‐tuning of BZX metabolism holds the potential to enhance maize resistance against insect herbivory.</jats:list-item> <jats:list-item>Natural variation in BZX abundance has been associated with genetic polymorphism in ZmPP2C45. Here, we demonstrate that ZmPP2C45 encodes a nucleocytoplasmic‐localized protein phosphatase 2C. The total BZX content in maize leaves was elevated by more than threefold in Zmpp2c45 knockout lines, whereas overexpression of ZmPP2C45 had no effect. Insect herbivore growth was significantly hampered in the Zmpp2c45 mutants.</jats:list-item> <jats:list-item>Expression of BZX biosynthetic (BX) genes was upregulated in a Zmpp2c45 mutant. Comparative phosphoproteomic analyses, protein–protein interaction experiments, and <jats:italic>ex situ</jats:italic> dephosphorylation activity assays suggested that a homeodomain‐containing transcription factor, ZmBELL4, could be a potential target of ZmPP2C45. Dual luciferase assays and transient gene silencing in maize seedlings supported that ZmBELL4 suppressed BX gene expression dependent on its own phosphorylation state and reduced BZX content.</jats:list-item> <jats:list-item>Our findings reveal ZmPP2C45 and its putative molecular target, ZmBELL4, as two suppressors of BZX metabolism. These results shed light on a novel regulatory pathway of maize biochemical defense and present ZmPP2C45 as a promising candidate for genetic enhancement of maize insect resistance.</jats:list-item> </jats:list>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"16 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144900206","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}

{"title":"Aridity drives community‐wide shifts towards phytochemical underdispersion","authors":"Hanna Nomoto, Rachda Berrached, Gaëtan Glauser, Matthieu Bueche, Sergio Rasmann","doi":"10.1111/nph.70459","DOIUrl":"https://doi.org/10.1111/nph.70459","url":null,"abstract":"Summary<jats:list list-type=\"bullet\"> <jats:list-item>Current theoretical advances integrating eco‐metabolomics into ecological research provide a novel perspective for predicting interactions between plants and their environment. Yet, whether the plant metabolome varies predictably and consistently with functional traits along environmental clines remains largely unknown.</jats:list-item> <jats:list-item>We explored shifts in community‐level responses reflected in community‐weighted means, Rao's quadratic entropy and β‐diversity for functional traits (specific leaf area, leaf area, leaf dry matter content and height) and chemical properties (features, classes and structural/compositional diversity) in eight plant communities distributed along a sub‐Saharan aridity gradient. Additionally, we investigated whether community‐level responses to aridity were consistent with intraspecific shifts in α‐ and β‐diversity estimated for functional traits and the metabolome for <jats:italic>Artemisia herba‐alba</jats:italic>.</jats:list-item> <jats:list-item>Phytochemical similarity increased as climates became more arid at both community and intraspecific levels. Specifically, increasing aridity drove shifts towards underdispersion of chemical properties by decreasing feature, class and structural chemical variation. By contrast, aridity had little impact on functional traits.</jats:list-item> <jats:list-item>Our study suggests that the plant metabolome responds more predictably to shifts in aridity than functional traits. Importantly, under future scenarios of climate change, increasingly arid climates may act to alter the metabolome at a higher rate than functional traits within plant communities.</jats:list-item> </jats:list>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"38 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144900211","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}

{"title":"Arabidopsis RabGDIs mediate Rab targeting and are crucial for male gametophytic function","authors":"Ya‐Nan Wu, Gui‐Min Yin, Fei Yu, Jin‐Yu Lu, Guang‐Jiu Hao, Sha Li, Yan Zhang","doi":"10.1111/nph.70500","DOIUrl":"https://doi.org/10.1111/nph.70500","url":null,"abstract":"Summary<jats:list list-type=\"bullet\"> <jats:list-item>Rab GTPases are key regulators of vesicular trafficking, not only switching between active and inactive forms but also cycling between donor/resident and target membranes, a process regulated by factors including guanine nucleotide dissociation inhibitors (RabGDIs), whose function is largely unknown in plants.</jats:list-item> <jats:list-item>By reverse genetic approaches, we demonstrate that Arabidopsis RabGDIs redundantly mediate male fertility such that the functional loss of RabGDIs compromises pollen development, germination, and directional growth of pollen tubes.</jats:list-item> <jats:list-item>By combining cellular and pharmacological approaches, we demonstrate that RabGDIs are critical for the targeting of Rab GTPases not only in secretory but also in vacuolar pathways.</jats:list-item> <jats:list-item>Vacuolar trafficking regulators such as Rab5 and Rab7 GTPases are mis‐targeted to the apical plasma membrane of pollen tubes due to the functional loss of RabGDIs, hinting at a phylum‐specific role of RabGDIs also in the initial targeting of Rab GTPases to their donor/resident membrane.</jats:list-item> </jats:list>","PeriodicalId":214,"journal":{"name":"New Phytologist","volume":"79 1","pages":""},"PeriodicalIF":9.4,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144900213","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}