Biological Sciences / Plant Biology -- New results matching your topic search. https://www.pnas.org/action/doSearch?af=R Proceedings of the National Academy of Sciences: Plant Biology Proceedings of the National Academy of Sciences en-US http://www.atypon.com/images/atypon_logo_small.gif http://www.atypon.com https://www.pnas.org/doi/abs/10.1073/pnas.2518761123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 15, April 2026. <br/>SignificanceThis study addresses the prolonged juvenile phase inBetulaplatyphylla(white birch) breeding by identifyingBpFLCas a central flowering-time regulator.BpFLCdelays flowering and promotes vegetative growth, thereby influencing carbon ... BpFLC coordinates seasonal and age-related flowering in Betula platyphylla through environmental cues and epigenetic regulation doi:10.1073/pnas.2518761123 2026-04-06T07:00:00Z Yi LiuSui WangTangchun ZhengHuiying SuoDi XiaoDong ZengXiangling YouHeike W. SederoffVincent L. ChiangXiyang ZhaoRonald R. SederoffGuanzheng QuaState Key Laboratory of Tree Genetics and Breeding, School of Forestry, Northeast Forestry University, Harbin 150040, ChinabJilin Provincial Key Laboratory of Tree and Grass Genetics and Breeding, College of Forestry and Grassland Science, Jilin Agricultural University, Changchun 130118, ChinacNational Key Laboratory of Smart Farm Technologies and Systems, Northeast Agricultural University, Harbin 150030, ChinadKey Laboratory of Soybean Biology of Chinese Education Ministry, College of Agriculture, Northeast Agricultural University, Harbin 150030, ChinaeNational Engineering Research Center for Floriculture, School of Landscape Architecture, Beijing Forestry University, Beijing 100083, ChinafCollege of Life Science, Northeast Forestry University, Harbin 150040, ChinagKey Laboratory of Horticulture Crop Genomics and Genetic Improvement in Xinjiang, Institute of Fruits and Vegetables, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, ChinahDepartment of Plant and Microbial Biology, North Carolina State University, Raleigh, NC 27695iForest Biotechnology Group, Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC 27695 Proceedings of the National Academy of Sciences 123 15 2026-04-14T07:00:00Z 2026-04-14T07:00:00Z 10.1073/pnas.2518761123 https://www.pnas.org/doi/abs/10.1073/pnas.2518761123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2528641123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 15, April 2026. <br/>SignificanceHuanglongbing (HLB) is the most devastating disease of citrus with no resistance having been identified in commercial cultivars. Previous work implicated papain-like cysteine proteases (PLCPs) as an important hub of defense in citrus; however, ... A secreted citrus protease cleaves an outer membrane protein of the Huanglongbing pathogen doi:10.1073/pnas.2528641123 2026-04-07T07:00:00Z Alexander J. McClellandBin HuYuantao XuXiaodong FangChunxia WangBenjamin L. KochAmelia H. LovelaceEva HawaraYuanchun WangZhiqian PangAgustina De FrancescoSuzanne P. van WierAndrew M. BeekmanAmit LevyNian WangRenier A. L. van der HoornQiang XuWenbo MaaThe Sainsbury Laboratory, University of East Anglia, Norwich NR4 7UH, United KingdombNational Key Laboratory for Germplasm Innovation and Utilization of Horticultural Crops, Huazhong Agricultural University, Wuhan 430070, ChinacCitrus Research and Education Center, Department of Plant Pathology, Microbiology and Cell Science, University of Florida/Institute of Food and Agricultural Sciences, Lake Alfred, FL 33850dDepartment of Microbiology and Plant Pathology, University of California Riverside, Riverside, CA 92521eSchool of Chemistry, Pharmacy and Pharmacology, University of East Anglia, Norwich NR4 7TJ, United KingdomfPlant Chemetics Laboratory, Department of Biology, University of Oxford, Oxford OX1 3RB, United Kingdom Proceedings of the National Academy of Sciences 123 15 2026-04-14T07:00:00Z 2026-04-14T07:00:00Z 10.1073/pnas.2528641123 https://www.pnas.org/doi/abs/10.1073/pnas.2528641123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2531865123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 15, April 2026. <br/>SignificanceFuture forest resilience depends on whether trees can acclimate to rising heat and drought. Using multiyear manipulations of soil moisture and air temperature, we tested how long-term acclimation shapes leaf cooling and damage inFagus ... Hydraulic stress limits thermal acclimation in trees under chronic drought doi:10.1073/pnas.2531865123 2026-04-06T07:00:00Z Alyssa T. KullbergArianna MilanoAlvaro PorettiYike MaPatrick FavreKate M. JohnsonGiovanni BortolamiMaxwell BergströmThibaut JuillardJin WuZhengfei GuoJonas GislerMarcus SchaubCharlotte GrossiordaPlant Ecology Research Laboratory, School of Architecture, Civil and Environmental Engineering, École polytechnique fédérale de Lausanne, Lausanne CH-1015, SwitzerlandbForest and Soil Ecology Research Unit, Swiss Federal Institute for Forest, Snow, and Landscape Research, Birmensdorf CH-8903, SwitzerlandcCentre for Ecological Research and Forestry Applications, Barcelona 08193, SpaindSchool of Biological Sciences and Institute for Climate and Carbon Neutrality, The University of Hong Kong, ChinaeState Key Laboratory of Agrobiotechnology, Chinese University of Hong Kong, Hong Kong, China Proceedings of the National Academy of Sciences 123 15 2026-04-14T07:00:00Z 2026-04-14T07:00:00Z 10.1073/pnas.2531865123 https://www.pnas.org/doi/abs/10.1073/pnas.2531865123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2534827123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 15, April 2026. <br/> Expanded applicability of the triple oxygen isotope composition of phytoliths as an indicator of atmospheric relative humidity doi:10.1073/pnas.2534827123 2026-04-06T07:00:00Z Anne AlexandreJulie AlemanMinger GuoDavid Au YangRobin HavasElizabeth WebbaCentre Européen de Recherche et d’Enseignement des Géosciences de l’Environnement (CEREGE), Centre National de la Recherche Scientifique (CNRS), Aix-Marseille Université, Institut de Recherche pour le Développement (IRD), Institut National de la Recherche Agronomique (INRA), Collège de France, Aix-en-Provence 13580, FrancebTrent School of the Environment, Trent University, Peterborough, ON K9L 0G2, CanadacEarth Sciences, University of Western Ontario, London, ON N6A 5B7, Canada Proceedings of the National Academy of Sciences 123 15 2026-04-14T07:00:00Z 2026-04-14T07:00:00Z 10.1073/pnas.2534827123 https://www.pnas.org/doi/abs/10.1073/pnas.2534827123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2537847123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 15, April 2026. <br/>SignificanceSolanaceous crops such as potato produce steroidal glycoalkaloids, compounds that are toxic to humans and animals yet provide protection against pests. The Colorado potato beetle (CPB) is a destructive pest that quickly evolves insecticide ... A rare glycoalkaloid biosynthetic pathway from wild potato unlocks genetic routes to Colorado potato beetle resistance doi:10.1073/pnas.2537847123 2026-04-06T07:00:00Z Ryota AkiyamaYuki IkeyamaHyoung Jae LeeNaoyuki UmemotoKenji AsanoTetsuya MoriToshiya MuranakaKazuki SaitoYukihiro SugimotoMasaharu MizutaniaDepartment of Agrobioscience, Graduate School of Agricultural Science, Kobe University, Kobe, Hyogo 657-8501, JapanbMetabolomics Research Group, RIKEN Center for Sustainable Resource Science, Yokohama, Kanagawa 230-0045, JapancNational Agricultural Research Center for Hokkaido Region, National Agriculture and Food Research Organization, Hokkaido 082-0081, JapandDepartment of Biotechnology, Graduate School of Engineering, Osaka University, Osaka 565-0871, Japan Proceedings of the National Academy of Sciences 123 15 2026-04-14T07:00:00Z 2026-04-14T07:00:00Z 10.1073/pnas.2537847123 https://www.pnas.org/doi/abs/10.1073/pnas.2537847123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2604539123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 15, April 2026. <br/> Reply to Alexandre et al.: Insensitivity of the Δ′17O value of equisetum to atmospheric relative humidity doi:10.1073/pnas.2604539123 2026-04-06T07:00:00Z Zachary SharpAnthony GarganoVincent HareJordan WostbrockaDepartment of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87122bDepartment of Archaeology, University of Cape Town, Rondebosch 7701, South AfricacEarth and Planetary Sciences, Yale University, New Haven, CT 06511 Proceedings of the National Academy of Sciences 123 15 2026-04-14T07:00:00Z 2026-04-14T07:00:00Z 10.1073/pnas.2604539123 https://www.pnas.org/doi/abs/10.1073/pnas.2604539123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2606250123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 15, April 2026. <br/> Structural innovation and flexibility in plant chemical defenses doi:10.1073/pnas.2606250123 2026-04-06T07:00:00Z Martin VolfaBiology Centre, Institute of Entomology, Czech Academy of Sciences, Ceske Budejovice 370 05, Czech RepublicbFaculty of Science, Department of Zoology, University of South Bohemia, Ceske Budejovice 370 05, Czech Republic Proceedings of the National Academy of Sciences 123 15 2026-04-14T07:00:00Z 2026-04-14T07:00:00Z 10.1073/pnas.2606250123 https://www.pnas.org/doi/abs/10.1073/pnas.2606250123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2530459123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 13, March 2026. <br/>SignificanceThe light reactions of oxygenic photosynthesis are powered by Photosystem I (PSI) and Photosystem II (PSII), which consist of a core and the peripheral light-harvesting antenna complexes. In cyanobacteria, phycobilisomes (PBSs) serve as the ... Structural insight of a photosystem I-CpcL-phycobilisome supercomplex from a cyanobacterium Anabaena sp. PCC 7120 doi:10.1073/pnas.2530459123 2026-03-25T07:00:00Z Zhiyuan MaoZhenhua LiXingyue LiLiangliang ShenTingyun KuangWenda WangJian-Ren ShenGuangye HanaState Key Laboratory of Forage Breeding-by-Design and Utilization, Key Laboratory of Photobiology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, ChinabUniversity of Chinese Academy of Sciences, Beijing 100049, ChinacBeijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, ChinadChina National Botanical Garden, Beijing 100093, ChinaeAcademician Workstation of Agricultural High-Tech Industrial Area of the Yellow River Delta, National Center of Technology Innovation for Comprehensive Utilization of Saline-Alkali Land, Dongying 257300, ChinafInstitute for Interdisciplinary Science, Advanced Research Field, and Graduate School of Environmental Life, Natural Science and Technology, Okayama University, Okayama 700-8530, Japan Proceedings of the National Academy of Sciences 123 13 2026-03-31T07:00:00Z 2026-03-31T07:00:00Z 10.1073/pnas.2530459123 https://www.pnas.org/doi/abs/10.1073/pnas.2530459123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2530957123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 13, March 2026. <br/>SignificanceHollow stems are a widespread trait that has independently evolved multiple times across the plant kingdom, representing a case of convergent evolution. This trait plays important roles in plant development and environmental adaptation, yet ... A conserved ethylene-triggered cell death mechanism may underlie hollow stem formation across plant species doi:10.1073/pnas.2530957123 2026-03-25T07:00:00Z Mengxiao YanWeijuan FanYinghui MengJiamin ZhaoWei YangZiyin XuYusen GaoHaiyan ZhuangWuyu ZhouYuqin WangQingjun HuangLing YuanHongxia WangJun YangaShanghai Key Laboratory of Plant Functional Genomics and Resources, Shanghai Chenshan Botanical Garden, Shanghai 201602, ChinabDepartment of Urban Construction and Ecological Technology, Shanghai Institute of Technology, Shanghai 201418, ChinacCollege of Life Sciences, Shanghai Normal University, Shanghai 200234, ChinadCAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai 200032, ChinaeUniversity of Chinese Academy of Sciences, Beijing 101408, ChinafDepartment of Plant and Soil Sciences, University of Kentucky, Lexington, KY 40546-0312gKentucky Tobacco Research and Development Center, University of Kentucky, Lexington, KY 40546-0236 Proceedings of the National Academy of Sciences 123 13 2026-03-31T07:00:00Z 2026-03-31T07:00:00Z 10.1073/pnas.2530957123 https://www.pnas.org/doi/abs/10.1073/pnas.2530957123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2535583123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 13, March 2026. <br/>SignificanceThe bacterial flagellum controls microbial motility and surface attachment. Some flagella contain a flg22 peptide epitope that is recognized by the plant immune receptor FLS2. This immune surveillance creates a trade-off between flagellar ... Specialization of independently acquired flagellar FliC proteins in plant-associated Sphingomonas balances swimming and immunogenicity doi:10.1073/pnas.2535583123 2026-03-27T07:00:00Z Dor RussChinmay SahaKarnelia PaulZhiyu ZhengTheresa F. LawManuel Anguita-MaesoDerek S. LundbergConnor R. FitzpatrickJeffery L. DanglaDepartment of Biology, University of North Carolina at Chapel Hill, Chapel Hill 27599, NCbHHMI, University of North Carolina at Chapel Hill, Chapel Hill 27599, NCcDepartment of Plant Biology, Swedish University of Agricultural Sciences, Uppsala 75007, Sweden Proceedings of the National Academy of Sciences 123 13 2026-03-31T07:00:00Z 2026-03-31T07:00:00Z 10.1073/pnas.2535583123 https://www.pnas.org/doi/abs/10.1073/pnas.2535583123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2424126123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 12, March 2026. <br/>SignificanceCells use membraneless compartments, called condensates, to organize biochemical processes. We show that condensates can physically reshape cellular membranes, producing tubes, sheets, or cup-like structures by tuning the shape metastability ... Condensate-mediated shape transformations of cellular membranes by capillary forces doi:10.1073/pnas.2424126123 2026-03-16T07:00:00Z Lukas HauerKatharina SporbeckJoseph F. McKennaDmytro PuchkovAlexander I. MayLorenzo FrigerioRoland L. KnorrAmir H. BahramiaCenter for Biochemistry, Faculty of Medicine, University of Cologne, University Hospital Cologne, Cologne, GermanybInstitute of Biology, Humboldt-Universität zu Berlin, Berlin 10115, GermanycSchool of Life Sciences, University of Warwick, Coventry CV4 7AL, United KingdomdLeibniz-Forschungsinstitut für Molekulare Pharmakologie, Berlin, GermanyeInstitute for Integrated Research, Institute of Science Tokyo, Tokyo, JapanfGraduate School and Faculty of Medicine, The University of Tokyo, Tokyo 113-0033, JapangInstitute of Materials Science and Nanotechnology, Living Matter and Biophysics, National Nanotechnology Research Center (UNAM), Bilkent University, Ankara 06800, Türkiye Proceedings of the National Academy of Sciences 123 12 2026-03-24T07:00:00Z 2026-03-24T07:00:00Z 10.1073/pnas.2424126123 https://www.pnas.org/doi/abs/10.1073/pnas.2424126123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2521483123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 12, March 2026. <br/>SignificancePrecise regulation of gene expression in response to different stimuli requires fine-tuned control at both temporal and spatial levels. Among the involved mechanisms, intracellular mRNA trafficking and localized translation have emerged as ... The Arabidopsis FRIENDLY (FMT) protein interacts with NAC and determines where nuclear-encoded mitochondrial proteins are translated doi:10.1073/pnas.2521483123 2026-03-17T07:00:00Z Valentina Montoya-BrachJeanne RoignantGrégory RenardJohana ChicherAnne-Marie DuchêneaInstitut de biologie moléculaire des plantes, UPR 2357 du CNRS, Université de Strasbourg, Strasbourg Cedex 67084, FrancebStrasbourg-Esplanade Proteomics Facility, Institut de Biologie Moléculaire et Cellulaire, UAR1589 du CNRS, Université de Strasbourg, Strasbourg Cedex 67084, France Proceedings of the National Academy of Sciences 123 12 2026-03-24T07:00:00Z 2026-03-24T07:00:00Z 10.1073/pnas.2521483123 https://www.pnas.org/doi/abs/10.1073/pnas.2521483123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2523470123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 12, March 2026. <br/>SignificanceNucleotide-binding leucine-rich repeat (NLR) proteins form resistosomes to trigger immune responses, yet how resistosome activation leads to cell death has remained unresolved. By live-cell imaging of NLR required for cell death 4 (NRC4) ... Subcellular calcium dynamics and organelle perturbations in resistosome-mediated cell death doi:10.1073/pnas.2523470123 2026-03-18T07:00:00Z Yi-Feng ChenKuan-Yu LinChing-Yi HuangLiang-Yu HouEnoch Lok Him YuenWei-Che Jimmy SunBing-Jen ChiangChin-Wen ChangHung-Yu WangTolga Osman BozkurtChih-Hang WuaInstitute of Plant and Microbial Biology, Academia Sinica, Taipei 115201, TaiwanbDepartment of Plant Pathology and Microbiology, National Taiwan University, Taipei 106319, TaiwancDepartment of Life Sciences, Imperial College London, London SW7 2AZ, United Kingdom Proceedings of the National Academy of Sciences 123 12 2026-03-24T07:00:00Z 2026-03-24T07:00:00Z 10.1073/pnas.2523470123 https://www.pnas.org/doi/abs/10.1073/pnas.2523470123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2526714123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 12, March 2026. <br/>SignificanceThe circadian clock exhibits remarkable precision and environmental insensitivity of its period, enabling organisms to anticipate daily environmental changes. In cyanobacteria, circadian rhythm is driven by a KaiC protein-based oscillator that ... Intrinsic period stability of the cyanobacterial circadian oscillator across in vitro and in vivo conditions doi:10.1073/pnas.2526714123 2026-03-18T07:00:00Z Kumiko Ito-MiwaKeiko ImaiKazuki TerauchiTakao KondoaDepartment of Biological Science, Graduate School of Science, Nagoya University, Nagoya 464-8602, JapanbInstitute for Advanced Research, Nagoya University, Nagoya 464-8602, JapancDepartment of Physics, Graduate School of Science, Nagoya University, Nagoya 464-8602, JapandLaboratory of Cell Biology, Faculty of Medicine, Kansai Medical University, 2-5-1 Shin-machi, Hirakata City, Osaka 573-1010, JapaneCollege of Life Sciences, Ritsumeikan University, Shiga 525-8577, JapanfGraduate School of Life Sciences, Ritsumeikan University, Shiga 525-8577, Japan Proceedings of the National Academy of Sciences 123 12 2026-03-24T07:00:00Z 2026-03-24T07:00:00Z 10.1073/pnas.2526714123 https://www.pnas.org/doi/abs/10.1073/pnas.2526714123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2527570123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 12, March 2026. <br/>SignificanceAlthough auxin metabolism is central to the regulation of plant growth and development, the fate of conjugates beyond oxidation has remained unclear. Here, we identify a rice UDP-glucosyltransferase, IAAspGT, that catalyzes theN-glucosylation ... N-glucosylation of indole-3-acetyl amino acids modulates auxin metabolism and growth traits in Oryza sativa doi:10.1073/pnas.2527570123 2026-03-18T07:00:00Z Anna ZenjiKimihiko HataShoji SegamiNobue MakitaMikiko KojimaMika Yoshino-KidaKeisuke NagaiMotoyuki AshikariKazuki MatsubaraMasahiro YanoShuichi FukuokaKen-Ichiro HayashiYutaka SatoTokunori HoboYoshiaki InukaiHitoshi SakakibaraaGraduate School of Bioagricultural Sciences, Nagoya University, Nagoya 464-8601, JapanbDivision of Evolutionary Biology, National Institute for Basic Biology, Okazaki 444-8585, JapancBasic Biology Program, SOKENDAI (The Graduate University for Advanced Studies), Okazaki 444-8585, JapandRIKEN Center for Sustainable Resource Science, Yokohama 230-0045, JapaneBioscience and Biotechnology Center, Nagoya University, Nagoya 464-8601, JapanfNational Institute of Agrobiological Sciences, Tsukuba 305-8602, JapangInstitute of Crop Science, National Agricultural and Food Research Organization, Tsukuba 305-8518, JapanhDepartment of Bioscience, Okayama University of Science, Okayama 700-0005, JapaniNational Institute of Genetics, Mishima 411-8540, JapanjDepartment of Genetics, School of Life Science, SOKENDAI (The Graduate University for Advanced Studies), Mishima 411-8540, JapankInternational Center for Research and Education in Agriculture, Nagoya University, Nagoya 464-8601, Japan Proceedings of the National Academy of Sciences 123 12 2026-03-24T07:00:00Z 2026-03-24T07:00:00Z 10.1073/pnas.2527570123 https://www.pnas.org/doi/abs/10.1073/pnas.2527570123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2516183123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 11, March 2026. <br/>SignificanceWhile traditional breeding approaches have identified mutations that enhance crop performance via targeted gene expression changes, these are not easily translated across varieties and species. Synthetic transcription factors (SynTFs) offer an ... Elucidating the design principles for engineering plant organ size doi:10.1073/pnas.2516183123 2026-03-09T07:00:00Z Tawni BullJared Van BlairSam SuttonHadley ColwellArjun KhakharaDepartment of Biology, Colorado State University, Fort Collins, CO 80521 Proceedings of the National Academy of Sciences 123 11 2026-03-17T07:00:00Z 2026-03-17T07:00:00Z 10.1073/pnas.2516183123 https://www.pnas.org/doi/abs/10.1073/pnas.2516183123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2524358123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 11, March 2026. <br/>SignificanceWe report the design, testing and optimization of a synthetic molecular switch that activates gene expression in response to hypoxia in the yeastSaccharomyces cerevisiae. This is based on enzymes that consume molecular oxygen to regulate the ... A synthetic ERFVII-dependent circuit in yeast sheds light on the regulation of early hypoxic responses of plants doi:10.1073/pnas.2524358123 2026-03-10T07:00:00Z Mikel Lavilla-PuertaYuming HeLuca PiccininiLorenzo Di PacoAntonis PapachristodoulouFrancesco LicausiBeatrice GiuntoliaInstitute of Plant Sciences, Scuola Superiore Sant’Anna, Pisa 56127, ItalybDepartment of Biology, University of Oxford, Oxford OX1 3RB, United KingdomcDepartment of Engineering Science, University of Oxford, Oxford OX1 3PJ, United KingdomdDepartment of Biology, University of Pisa, Pisa 56127, Italy Proceedings of the National Academy of Sciences 123 11 2026-03-17T07:00:00Z 2026-03-17T07:00:00Z 10.1073/pnas.2524358123 https://www.pnas.org/doi/abs/10.1073/pnas.2524358123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2535853123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 11, March 2026. <br/>SignificanceThis work provides the strongest empirical test to date of how structural innovation in plant metabolism creates an evolutionary axis of novel defensive bioactivity and ecological opportunity. In this case, biosynthetic modifications to ... Structural innovation in the evolution of plant chemical defense doi:10.1073/pnas.2535853123 2026-03-12T07:00:00Z Paola Rubiano-BuitragoAmy P. HastingsMasaaki UematsuJeremy M. BaskinAnurag A. AgrawalChristophe DuplaisaDepartment of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY 14853bDepartment of Chemistry and Chemical Biology and Weill Institute for Cell and Molecular Biology, Cornell University, Ithaca, NY 14853cDepartment of Entomology, Cornell University, Ithaca, NY 14853dDepartment of Entomology, Cornell AgriTech, Cornell University, Geneva, NY 14456 Proceedings of the National Academy of Sciences 123 11 2026-03-17T07:00:00Z 2026-03-17T07:00:00Z 10.1073/pnas.2535853123 https://www.pnas.org/doi/abs/10.1073/pnas.2535853123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2605869123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 11, March 2026. <br/> Correction for Liu et al., A distinct LHCI arrangement is recruited to photosystem I in Fe-starved green algae doi:10.1073/pnas.2605869123 2026-03-11T07:00:00Z Proceedings of the National Academy of Sciences 123 11 2026-03-17T07:00:00Z 2026-03-17T07:00:00Z 10.1073/pnas.2605869123 https://www.pnas.org/doi/abs/10.1073/pnas.2605869123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2511608123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 10, March 2026. <br/>SignificanceTransposable elements are important sources of genomic novelty across plants and animals. Via a genome-wide association study inArabidopsis thaliana, we have identified a polymorphic Helitron/RC transposable element that is involved in ... The DELAYED ABAXIAL TRICHOMES Helitron has dual functions in vegetative and pollen development in Arabidopsis thaliana doi:10.1073/pnas.2511608123 2026-03-05T08:00:00Z Erin DoodyJianfei ZhaoBishwas SharmaR. Scott PoethigaBiology Department, University of Pennsylvania, Philadelphia, PA 19104 Proceedings of the National Academy of Sciences 123 10 2026-03-10T07:00:00Z 2026-03-10T07:00:00Z 10.1073/pnas.2511608123 https://www.pnas.org/doi/abs/10.1073/pnas.2511608123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2514483123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 10, March 2026. <br/>SignificanceManganese (Mn) toxicity represents a significant constraint on plant growth in acidic soils. Calcium ions (Ca2+) function as critical second messengers in plants. While high-Mn stress is known to trigger Ca2+signaling events that regulate Mn ... A BRI1–CNGC12 phosphorylation module links hormone signaling to manganese homeostasis in plants doi:10.1073/pnas.2514483123 2026-03-03T08:00:00Z Zhenqian ZhangZhenghao YuDixiang XieJu WangJingrong LiDuoduo LaiYaqi GaoJiaxin LiChuanfeng JuYuzhou ZhangKun-Hsiang LiuCun WangaState Key Laboratory for Crop Stress Resistance and High-Efficiency Production, College of Life Sciences, Northwest A&F University, Yangling, Shaanxi 712100, People’s Republic of ChinabInstitute of Future Agriculture, Northwest Agriculture and Forestry University, Yangling, Shaanxi 712100, ChinacDepartment of Molecular Biology and Centre for Computational and Integrative Biology, Massachusetts General Hospital, Boston, MA 02114dDepartment of Genetics, Harvard Medical School, Boston, MA 02114 Proceedings of the National Academy of Sciences 123 10 2026-03-10T07:00:00Z 2026-03-10T07:00:00Z 10.1073/pnas.2514483123 https://www.pnas.org/doi/abs/10.1073/pnas.2514483123?af=R