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.2528001123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 26, June 2026. <br/>SignificanceAsymmetric cell division, crucial for cellular diversity, is mechanosensitive in plants, yet its spatial regulation remains poorly understood. In developing grass stomata, mechanical cues arise from differential growth and cell wall ... A receptor-like mechanosensitive protein governs preprophase band positioning for asymmetric cell divisions and SC morphogenesis doi:10.1073/pnas.2528001123 2026-06-24T07:00:00Z Zhikun DuanWenwen DuanZihao ZhangKaiwen LiSuting WangJiapeng YangBaolin XiaoTian ZhangJianchao MaBaozhu LiPengtao WangYi CaoDavid W. GalbraithAlistair M. HetheringtonJingjing XingSiyi GuoChun-Peng SongaState Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, Chinabhttps://ror.org/003xyzq10Sanya Institute of Henan University, Sanya 572025, Chinachttps://ror.org/01rxvg760Chemistry and Biomedicine Innovation Center, Ministry of Education Key Laboratory of High Performance Polymer Materials and Technology, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, Chinadhttps://ror.org/03m2x1q45School of Plant Sciences and Bio5 Institute, The University of Arizona, Tucson, AZ 85721ehttps://ror.org/0524sp257School of Biological Sciences, University of Bristol, Bristol BS8 1TQ, United Kingdom Proceedings of the National Academy of Sciences 123 26 2026-06-30T07:00:00Z 2026-06-30T07:00:00Z 10.1073/pnas.2528001123 https://www.pnas.org/doi/abs/10.1073/pnas.2528001123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2529740123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 26, June 2026. <br/>SignificanceCellular membranes are not mere barriers but active platforms that regulate signaling specificity. Here, we uncover how plant cells use nanoscale membrane organization to shape localized H2O2concentration during osmotic stress. Using a ... Nanoscale regulation of ROS signaling at the plasma membrane tunes the plant response to osmotic stress doi:10.1073/pnas.2529740123 2026-06-22T07:00:00Z Arthur PoitoutJosé M. UgaldeLucille GorguesArmelle DongoisPatricia ScholzPhilippe NacryCarine AlconJean-Bernard FicheXavier DumontMarcelo NollmanKomal JhalaAnton R. SchäffnerYvon JaillaisLionel VerdoucqAndreas J. MeyerAlexandre Martinièreahttps://ror.org/003vg9w96Institute for Plant Sciences of Montpellier, Univ Montpellier, CNRS, Institut national de recherche pour l‘agriculture, l‘alimentation et l‘environnement, Institut Agro, Montpellier 34060, Francebhttps://ror.org/041nas322Institut für Nutzpflanzenwissenschaften und Ressourcenschutz-Chemical Signalling, University of Bonn, Bonn 53117, GermanycLaboratoire Reproduction et Développement des Plantes, Université de Lyon, École normale supérieure de Lyon, Université Claude Bernard Lyon 1, CNRS, Institut national de recherche pour l‘agriculture, l‘alimentation et l‘environnement, Lyon 69342, Francedhttps://ror.org/051escj72Centre de Biochimie Structurale, CNRS Unité Mixte de Recherche 5048, Institut National de la Santé et de la Recherche Médicale U1054, Université de Montpellier, Montpellier 34090, Franceehttps://ror.org/00cfam450Department of Environmental Sciences, Institute of Biochemical Plant Pathology, Helmholtz Zentrum München, Neuherberg D-85764, Germany Proceedings of the National Academy of Sciences 123 26 2026-06-30T07:00:00Z 2026-06-30T07:00:00Z 10.1073/pnas.2529740123 https://www.pnas.org/doi/abs/10.1073/pnas.2529740123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2529950123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 26, June 2026. <br/>SignificanceEnhancing multistress resilience in crops is vital for food security, yet the genetic basis for concurrent abiotic and biotic stress responses remains largely unknown. Here, we demonstrate that the transcription factorCTS1/OsWRKY74functions ... Natural variation of CTS1 confers cold tolerance and blast resistance in rice doi:10.1073/pnas.2529950123 2026-06-23T07:00:00Z Wei YeWendong MaYingxiu LiZhenhua GuoShilei GaoHaifeng GuoZezhong YanSijing ShiShichen HanQijin LouJin LiYunsong GuRunbin SuHaozhen WangHafiz Ghulam NabiYanchen LiuHuanhuan ZhuHongliang ZhangZhanying ZhangXingming SunYawen ZengXujun ChenYanjiang FengZichao LiJinjie Liahttps://ror.org/04v3ywz14Frontiers Science Center for Molecular Design Breeding, Beijing Key Laboratory of Crop Genetic Improvement, Department of Plant Genetics and Breeding, College of Agronomy and Biotechnology, China Agricultural University, Beijing 100193, Chinabhttps://ror.org/00c11v577Rice Research Institute, Heilongjiang Academy of Agricultural Sciences, Jiamusi 154026, Chinachttps://ror.org/04v3ywz14Key Laboratory of Pest Monitoring and Green Management, Ministry of Agriculture and Rural Affairs, Joint Laboratory for International Cooperation in Crop Molecular Breeding, Department of Plant Pathology, China Agricultural University, Beijing 100193, Chinadhttps://ror.org/02z2d6373Biotechnology and Germplasm Resources Institute, Yunnan Academy of Agricultural Sciences, Kunming 650205, China Proceedings of the National Academy of Sciences 123 26 2026-06-30T07:00:00Z 2026-06-30T07:00:00Z 10.1073/pnas.2529950123 https://www.pnas.org/doi/abs/10.1073/pnas.2529950123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2532481123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 26, June 2026. <br/>SignificanceThe largest reservoir of terrestrial biomass is the wood within plant stems. Consisting of xylem cells, wood is derived from the cambium, a stem cell population that is maintained by non-cell autonomous signaling. The central component of this ... A receptor kinase complex refines cambium activity in Arabidopsis doi:10.1073/pnas.2532481123 2026-06-22T07:00:00Z Qing HeHanan AlhowtyProdeep PaudelXixi ZhangWenbin WeiTuomas SipiläEhmke PohlAri Pekka MähönenVille O. PaavilainenRaymond WightmanYuan QinJ. Peter Etchellsahttps://ror.org/01v29qb04Department of Biosciences, Durham University, Durham DH1 3LE, United Kingdombhttps://ror.org/04kx2sy84College of Life Sciences, Fujian Provincial Key Laboratory of Haixia Applied Plant Systems Biology, Haixia Institute of Science and Technology, Fujian Agriculture and Forestry University, Fuzhou 350002, Chinachttps://ror.org/02bjnq803Department of Biology, Jazan University, Jazan 82817, Saudi Arabiadhttps://ror.org/040af2s02Department of Organismal and Evolutionary Biology, Faculty of Biological and Environmental Sciences and Viikki Plant Science Centre, University of Helsinki, Helsinki 00014, Finlandehttps://ror.org/013meh722Microscopy Core Facility, Sainsbury Laboratory, University of Cambridge, Cambridge CB2 1LR, United Kingdom Proceedings of the National Academy of Sciences 123 26 2026-06-30T07:00:00Z 2026-06-30T07:00:00Z 10.1073/pnas.2532481123 https://www.pnas.org/doi/abs/10.1073/pnas.2532481123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2600460123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 26, June 2026. <br/>SignificanceMeristems are the growth centers of plants. Understanding how meristems function, how existing meristems stop new meristems emerging (apical dominance), and how cellular reprogramming regenerates meristems is central to understanding plant ... Laser ablation microscopy reveals apical notch, apical dominance, and meristem regeneration dynamics in Marchantia polymorpha doi:10.1073/pnas.2600460123 2026-06-22T07:00:00Z Alan O. Marronahttps://ror.org/013meh722Department of Plant Sciences, University of Cambridge, Cambridge CB2 3EA, United Kingdom Proceedings of the National Academy of Sciences 123 26 2026-06-30T07:00:00Z 2026-06-30T07:00:00Z 10.1073/pnas.2600460123 https://www.pnas.org/doi/abs/10.1073/pnas.2600460123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2601246123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 26, June 2026. <br/>SignificanceUpland cotton (Gossypium hirsutumL.) underpins the global cotton industry, yet the genetic mechanisms driving its domestication remain poorly resolved. Here, we integrate a large-scale pan-genome of 2,910 accessions to clarifyG. hirsutum’s ... Genomic reconstruction of upland cotton domestication uncovers staged selection, gene flow, and flowering-time adaptation doi:10.1073/pnas.2601246123 2026-06-22T07:00:00Z Yanchao XuXiaoyan CaiZhongli ZhouDamar Lopez-ArredondoYuqing HouJie ZhengHongge LiGaofei SunDingsha JinPanhong DaiYangyang WeiYuling LiuPengtao LiQiankun LiuHeng WangRunrun SunLijie LiXiaoping PanKunbo WangXiongming DuGuoli SongBaohong ZhangLuis Rafael Herrera-EstrellaShoupu HeFang LiuRenhai Pengahttps://ror.org/0313jb750State Key Laboratory of Cotton Bio-breeding and Integrated Utilization, Institute of Cotton Research, Chinese Academy of Agricultural Sciences, Anyang 455000, Chinabhttps://ror.org/03sd3t490Anyang Institute of Technology, Anyang 455000, Chinachttps://ror.org/0313jb750National Nanfan Research Institute (Sanya), Chinese Academy of Agricultural Sciences, Sanya 572024, Chinadhttps://ror.org/0405mnx93Department of Plant and Soil Science, Institute of Genomics for Crop Abiotic Stress Tolerance, Texas Tech University, Lubbock, TX 79409eSanya Research Institute, Hainan Academy of Agricultural Sciences, Sanya 572024, Chinafhttps://ror.org/01vx35703Department of Biology, East Carolina University, Greenville, NC 27858ghttps://ror.org/0578f1k82Henan Institute of Science and Technology, Xinxiang, Henan 453000, Chinahhttps://ror.org/009eqmr18Unidad de Genómica Avanzada del Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Irapuato, Guanajuato 36824, Mexicoihttps://ror.org/04ypx8c21School of Life Science, School of Agriculture and Biomanufacturing, Zhengzhou University, Zhengzhou 450001, China Proceedings of the National Academy of Sciences 123 26 2026-06-30T07:00:00Z 2026-06-30T07:00:00Z 10.1073/pnas.2601246123 https://www.pnas.org/doi/abs/10.1073/pnas.2601246123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2535587123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 25, June 2026. <br/>SignificancePlants grow under constant physical assault and have evolved mechanisms to repair damaged organs. Wound repair increases demand for sugars to fuel cell division and growth, but unlike animals, plants cannot dilate blood vessels and rely on ... Wounding-induced redirection of sugar transport fuels tissue repair doi:10.1073/pnas.2535587123 2026-06-16T07:00:00Z Rotem MatosevichMika Della ZuanaItay CohenIdan EfroniaInstitute of Plant Sciences, Faculty of Agriculture, The Hebrew University, Rehovot 7610001, Israel Proceedings of the National Academy of Sciences 123 25 2026-06-23T07:00:00Z 2026-06-23T07:00:00Z 10.1073/pnas.2535587123 https://www.pnas.org/doi/abs/10.1073/pnas.2535587123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2536973123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 25, June 2026. <br/>SignificancePlants rely on cell-surface immune receptors to detect pathogens and activate pattern-triggered immunity (PTI). TIR-domain proteins produce small molecule (SM) phosphoribosyl-AMP/ADP, which promotes the recruitment of ADR1 helper NLRs into ... Canonical EDS1/PAD4 small-molecule binding sites are required for LRR-RP-mediated pattern-triggered immunity doi:10.1073/pnas.2536973123 2026-06-16T07:00:00Z Judith FliegmannDenis JanochaChenlei HuaEdda von Roepenack-LahayeMark StahlFederica LocciJane E. ParkerThorsten NürnbergerLisha Zhangahttps://ror.org/03a1kwz48Department of Plant Biochemistry, Centre of Plant Molecular Biology, Eberhard-Karls-University of Tübingen, Tübingen 72076, Germanybhttps://ror.org/03a1kwz48Analytics Unit, Centre of Plant Molecular Biology, Eberhard-Karls-University of Tübingen, Tübingen 72076, Germanychttps://ror.org/044g3zk14Department of Plant-Microbe Interactions, Max Planck Institute for Plant Breeding Research, Cologne 50829, Germany Proceedings of the National Academy of Sciences 123 25 2026-06-23T07:00:00Z 2026-06-23T07:00:00Z 10.1073/pnas.2536973123 https://www.pnas.org/doi/abs/10.1073/pnas.2536973123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2602053123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 25, June 2026. <br/>SignificanceRoot architecture critically determines water and nutrient uptake in crops, yet the molecular mechanisms linking vesicle trafficking to hormone-regulated root growth remain unclear. This study provides evidence that the exocyst subunits ... The exocyst subunits OsEXO70L2 and OsSEC3A regulate root development through modulating OsPIN1a/b-mediated auxin distribution in rice doi:10.1073/pnas.2602053123 2026-06-16T07:00:00Z Ranran TuHong WangQinwen ZouZhihao SunJiajun WuDuo WuWenqiang ShenJing YouZan XiaoJian HuZiyu XieNan WangTing ZhangGuanghua Heahttps://ror.org/00c11v577Rice Research Institute, Key Laboratory of Crop Molecular Improvement, Academy of Agricultural Sciences, Southwest University, Chongqing 400715, ChinabJiaxing Academy of Agricultural Sciences, Jiaxing, Zhejiang 314016, China Proceedings of the National Academy of Sciences 123 25 2026-06-23T07:00:00Z 2026-06-23T07:00:00Z 10.1073/pnas.2602053123 https://www.pnas.org/doi/abs/10.1073/pnas.2602053123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2601472123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 24, June 2026. <br/>SignificanceThis study introduces an integrated scanning electron microscopy–focused ion beam–time-of-flight-secondary ion mass spectrometry (SEM-FIB-TOF-SIMS) platform combining full-spectrum elemental detection, nanometer-scale resolution, and precise ... Subcellular metallomic networks orchestrate physiological outcomes: Single-cell mapping via an integrated SEM-FIB-TOF-SIMS platform doi:10.1073/pnas.2601472123 2026-06-11T07:00:00Z Mengzhu ChengLihong WangZiwei WangTianjiao WangJun ZhaoBin XuPing QiuTiantian LiuXiaohua HuangXing Wang DengaPeking University Institute of Advanced Agricultural Sciences, Shandong Laboratory of Advanced Agriculture Sciences in Weifang, Shandong 261325, Chinabhttps://ror.org/02v51f717School of Advanced Agricultural Sciences and School of Life Sciences, Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China Proceedings of the National Academy of Sciences 123 24 2026-06-16T07:00:00Z 2026-06-16T07:00:00Z 10.1073/pnas.2601472123 https://www.pnas.org/doi/abs/10.1073/pnas.2601472123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2602575123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 24, June 2026. <br/>SignificanceCellulose, a fundamental structural component of plant cell walls, is synthesized by cellulose synthase complexes (CSCs) and represents a critical herbicide target. While synthetic cellulose biosynthesis inhibitors (CBIs) like isoxaben and ... A fungal natural product that inhibits plant cellulose biosynthesis by disrupting cellulose synthase complexes doi:10.1073/pnas.2602575123 2026-06-09T07:00:00Z Zhongshou WuLu LiuWenyu HanXingbo CaiPixian XiaoZuodong SunChunsheng YanSilvana ReidYun ChenZhonghua MaYi TangSteven E. Jacobsenahttps://ror.org/05s5qx907State Key Laboratory of Rice Biological Breeding, Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, Chinabhttps://ror.org/046rm7j60Department of Molecular, Cell and Developmental Biology, University of California at Los Angeles, Los Angeles, CA 90095chttps://ror.org/046rm7j60HHMI, University of California at Los Angeles, Los Angeles, CA 90095dhttps://ror.org/046rm7j60Department of Chemistry and Biochemistry, University of California at Los Angeles, Los Angeles, CA 90095ehttps://ror.org/046rm7j60Department of Chemical and Biomolecular Engineering, University of California at Los Angeles, Los Angeles, CA 90095fhttps://ror.org/046rm7j60Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research, University of California at Los Angeles, Los Angeles, CA 90095 Proceedings of the National Academy of Sciences 123 24 2026-06-16T07:00:00Z 2026-06-16T07:00:00Z 10.1073/pnas.2602575123 https://www.pnas.org/doi/abs/10.1073/pnas.2602575123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2609325123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 24, June 2026. <br/>SignificanceLegumes rely on symbiotic nitrogen fixation to sustain productivity in both agricultural and natural ecosystems, yet the mechanisms that promote the formation of nitrogen-fixing root nodules remain poorly understood. This study uncovers a ... A long-distance signaling loop promotes soybean nodulation and productivity doi:10.1073/pnas.2609325123 2026-06-08T07:00:00Z Jingbo DuanJinbin WangRunze GuoChancelor B. ClarkZhuojun LuoXiaochong LiLeonie TrabertXing-Qi HuangW. Andy TaoNatalia DudarevaGary StaceyBlake C. MeyersJianxin Maahttps://ror.org/02dqehb95Department of Agronomy, Purdue University, West Lafayette, IN 47907bhttps://ror.org/02dqehb95Center for Plant Biology, Purdue University, West Lafayette, IN 47907chttps://ror.org/02dqehb95Department of Biochemistry, Purdue University, West Lafayette, IN 47907dhttps://ror.org/02ymw8z06Division of Plant Science & Technology, University of Missouri, Columbia, MO 65211ehttps://ror.org/05rrcem69Genome Center and Department of Plant Sciences, University of California, Davis, CA 95616 Proceedings of the National Academy of Sciences 123 24 2026-06-16T07:00:00Z 2026-06-16T07:00:00Z 10.1073/pnas.2609325123 https://www.pnas.org/doi/abs/10.1073/pnas.2609325123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2612171123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 24, June 2026. <br/>SignificanceDetecting and repairing damaged DNA is critical for maintaining cellular function. These processes occur within chromatin, yet how chromatin effectors (proteins that modulate the properties and compositions of chromatin) facilitate this ... Arabidopsis YEATS domain proteins facilitate DNA double-strand break repair via homology-directed pathways doi:10.1073/pnas.2612171123 2026-06-08T07:00:00Z Neeraja VegesnaLaura Bouza-MorcilloClara BourbousseYasaman Jami-AlahmadiEn LiMaherun NisaAna Marie S. PalancaJames A. WohlschlegelJulie A. Lawahttps://ror.org/03xez1567Plant Molecular and Cellular Biology Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037bhttps://ror.org/046rm7j60Department of Biological Chemistry, University of California, Los Angeles, CA 90095chttps://ror.org/0168r3w48Division of Biological Sciences, University of California San Diego, La Jolla, CA 92093 Proceedings of the National Academy of Sciences 123 24 2026-06-16T07:00:00Z 2026-06-16T07:00:00Z 10.1073/pnas.2612171123 https://www.pnas.org/doi/abs/10.1073/pnas.2612171123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2613743123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 24, June 2026. <br/> Two-component plant defenses are better than one doi:10.1073/pnas.2613743123 2026-06-08T07:00:00Z Tam Duc MaiJonathan Gershenzonahttps://ror.org/02ks53214Department of Biochemistry, Max Planck Institute for Chemical Ecology, Jena D-07745, GermanybFaculty of Forestry and Wood Sciences, University of Life Sciences, Prague 165 21, Czech Republic Proceedings of the National Academy of Sciences 123 24 2026-06-16T07:00:00Z 2026-06-16T07:00:00Z 10.1073/pnas.2613743123 https://www.pnas.org/doi/abs/10.1073/pnas.2613743123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2528515123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 23, June 2026. <br/>SignificancePlant growth and shape are controlled by the mechanics of primary cell walls. Nevertheless, the minimal features required to provide strength remain unclear. Here, we compare the structure and mechanics of regenerating cell walls in plant ... Synthetic pectin–cellulose nanofiber capsule recapitulates the mechanical properties of a regenerating plant cell wall doi:10.1073/pnas.2528515123 2026-06-01T07:00:00Z Cyril GrandjeanRavi ShankerSarah A. PfaffAnran MaoJordi ChanSophie AsnaciosAtef AsnaciosSulin ZhangDaniel J. CosgroveEnrico CoenAnna J. SvaganPauline Durand-Smetahttps://ror.org/05f82e368Université Paris Cité, CNRS, Matière et systèmes complexes, Paris F-75013, Francebhttps://ror.org/026vcq606Department of Fibre and Polymer Technology, Kungliga Tekniska högskolan Royal Institute of Technology, Stockholm 100 44, Swedenchttps://ror.org/04p491231Department of Biology, Pennsylvania State University, University Park, PA 16802dhttps://ror.org/0062dz060Department of Cell and Developmental Biology, John Innes Centre, Norwich Research Park, Colney Lane, Norwich NR4 7UH, United Kingdom Proceedings of the National Academy of Sciences 123 23 2026-06-09T07:00:00Z 2026-06-09T07:00:00Z 10.1073/pnas.2528515123 https://www.pnas.org/doi/abs/10.1073/pnas.2528515123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2531955123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 23, June 2026. <br/>SignificancePre-mRNA splicing is a fundamental process that shapes gene expression and proteome diversity, yet how it integrates with physiological pathways in plants remains poorly understood. Our study identifies the spliceosomal component SPLICING ... In vivo binding by Arabidopsis SPLICING FACTOR 1 shifts 3′ splice-site choice, regulating circadian rhythms and immunity in plants doi:10.1073/pnas.2531955123 2026-06-04T07:00:00Z Yamila Carla AgrofoglioMaría José IglesiasMaría José de LeoneCarlos Esteban HernandoMartin LewinskiSol Belén TorresGiuliana ContinoKim Joelle KöhnkeMarcelo Javier YanovskyDorothee StaigerJulieta Lisa Mateosahttps://ror.org/03cqe8w59Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Fisiología, Biología Molecular y Celular and Instituto de Fisiología, Biología Molecular y Neurociencias-Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires 1428, Argentinabhttps://ror.org/03cqe8w59Fundación Instituto Leloir, Instituto de Investigaciones Bioquímicas de Buenos Aires–Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires C1405BWE, Argentinachttps://ror.org/02hpadn98RNA Biology and Molecular Physiology, Faculty of Biology, Bielefeld University, Bielefeld 33615, Germany Proceedings of the National Academy of Sciences 123 23 2026-06-09T07:00:00Z 2026-06-09T07:00:00Z 10.1073/pnas.2531955123 https://www.pnas.org/doi/abs/10.1073/pnas.2531955123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2537963123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 23, June 2026. <br/>SignificanceAuxin has a broad role in the regulation of many aspects of plant growth and development, including aspects that are important for food production. Auxin acts via transcription factors, called AUXIN RESPONSE FACTORS (ARFs). The ARFs fall into ... Mutational analyses of an instability domain reveal its conserved role in the regulation of class-B ARF levels in Arabidopsis doi:10.1073/pnas.2537963123 2026-06-03T07:00:00Z Zhaonan BanMichael J. PriggeYinglin ZhuNicholas MorffyWesley R. NeherAndrew MuroyamaLucia StraderMark Estelleahttps://ror.org/0168r3w48Department of Cell and Developmental Biology, School of Biological Sciences, University of California, San Diego, La Jolla, CA 92093bhttps://ror.org/00py81415Department of Biology, Duke University, Durham, NC 27708chttps://ror.org/00t7c0489Salk Institute for Biological Sciences, La Jolla, CA 92037 Proceedings of the National Academy of Sciences 123 23 2026-06-09T07:00:00Z 2026-06-09T07:00:00Z 10.1073/pnas.2537963123 https://www.pnas.org/doi/abs/10.1073/pnas.2537963123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2601698123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 23, June 2026. <br/>SignificanceChloroplasts are photosynthetic organelles that can be converted into other plastid types specialized in the storage of particular metabolites such as starch, fats, proteins, or antioxidants. The molecular mechanisms behind plastid transitions ... Chemical modulation of chloroplast de- and redifferentiation reveals a role for the SAL1–PAP retrograde pathway in facilitating plastid transitions doi:10.1073/pnas.2601698123 2026-05-28T07:00:00Z Pablo Perez-ColaoJacobo CrucesSantiago Perez-RodriguezAnna KoprivovaStanislav KoprivaAleksandra SkiryczJorge Lozano-JusteManuel Rodriguez-ConcepcionaInstitute for Plant Molecular and Cell Biology (IBMCP), CSIC-Universitat Politècnica de València, Valencia 46022, SpainbGalChimia S.A., Parque Empresarial de Touro, Touro, A Coruña 15822, SpaincInstitute for Plant Sciences, Cluster of Excellence on Plant Sciences, University of Cologne, Cologne 50674, GermanydMichigan State University, East Lansing, MI 48824 Proceedings of the National Academy of Sciences 123 23 2026-06-09T07:00:00Z 2026-06-09T07:00:00Z 10.1073/pnas.2601698123 https://www.pnas.org/doi/abs/10.1073/pnas.2601698123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2605774123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 23, June 2026. <br/>SignificanceLignan metabolism in sesame (Sesamum indicum) serves as a valuable model for investigating how plants adapt their specialized metabolism. Although previous studies have focused on seed development, metabolic changes occurring during ... Dynamic diversification of lignan metabolism in sesame via coordinated oxygenation and glucosylation across germination doi:10.1073/pnas.2605774123 2026-06-05T07:00:00Z Erisa HaradaYukie OhbaEiichiro OnoJun MurataHiromi ToyonagaAkira ShiraishiToshiaki AzumaToshiyuki WakiYuto UegakiEri OkamotoAtsushi HoshinoToru NakayamaTatsuya WakasugiMasayuki P. YamamotoManabu Horikawaahttps://ror.org/02pkrz957Bioorganic Research Institute, Suntory Foundation for Life Sciences, Soraku, Kyoto 619-0284, JapanbResearch Institute, Suntory Global Innovation Center Ltd, Soraku, Kyoto 619-0284, Japanchttps://ror.org/01dq60k83Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University, Sendai, Miyagi 980-8579, Japandhttps://ror.org/0445phv87Graduate School of Science and Engineering, University of Toyama, Toyama 930-8555, Japanehttps://ror.org/0445phv87Department of Biology, School of Science, University of Toyama, Toyama 930-8555, Japanfhttps://ror.org/05q8wtt20Interdisciplinary Research Unit, National Institute for Basic Biology, Okazaki, Aichi 444-8585, JapangGraduate Institute for Advanced Studies, The Graduate University for Advanced Studies, Okazaki, Aichi 444-8585, Japanhhttps://ror.org/0445phv87Faculty of Science, Academic Assembly, University of Toyama, Toyama 930-8555, Japan Proceedings of the National Academy of Sciences 123 23 2026-06-09T07:00:00Z 2026-06-09T07:00:00Z 10.1073/pnas.2605774123 https://www.pnas.org/doi/abs/10.1073/pnas.2605774123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2609915123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 23, June 2026. <br/>SignificanceCrop improvement and accurate climate forecasts rely on biophysical models of how carbon fixation is regulated in the plant leaf. However, while widely used simple models overlook tissue geometry, detailed models are computationally demanding ... Mapping CO2 fixation to two effective parameters: A framework toward data-informed species and model comparison doi:10.1073/pnas.2609915123 2026-06-05T07:00:00Z Andreas StillitsTeresa E. KnudsenAla Trusinaahttps://ror.org/035b05819Biocomplexity, Niels Bohr Institute, University of Copenhagen, Copenhagen 2200, Denmark Proceedings of the National Academy of Sciences 123 23 2026-06-09T07:00:00Z 2026-06-09T07:00:00Z 10.1073/pnas.2609915123 https://www.pnas.org/doi/abs/10.1073/pnas.2609915123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2522064123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 22, June 2026. <br/>Polyploidy, also known as whole genome duplication, is a major evolutionary force in plants, driving diversification and the generation of novel phenotypic variation, including superior abiotic and biotic stress tolerance. The enhanced stress resilience ... Genome evolution through polyploidy: Enhancing plant stress resilience in agriculture doi:10.1073/pnas.2522064123 2026-05-26T07:00:00Z Patrick P. EdgerMelanie J. A. BodySonia De DonnoAdrian E. PlattsJianrong WangJiming JiangaDepartment of Horticulture, Michigan State University, East Lansing, MI 48824bGenetics and Genome Sciences, Michigan State University, East Lansing, MI 48824cHonors College, Michigan State University, East Lansing, MI 48824dDepartment of Computational Mathematics, Science, and Engineering, Michigan State University, East Lansing, MI 48824eDepartment of Plant Biology, Michigan State University, East Lansing, MI 48824 Proceedings of the National Academy of Sciences 123 22 2026-06-02T07:00:00Z 2026-06-02T07:00:00Z 10.1073/pnas.2522064123 https://www.pnas.org/doi/abs/10.1073/pnas.2522064123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2537357123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 22, June 2026. <br/>SignificanceIt is often assumed that the information transfer accuracy during gene expression must be high. However, translation is relatively error-prone. Under stress conditions, bacteria can benefit from mistranslation and concomitant proteome ... Plants tolerate substantial rates of plastid mistranslation via regulated proteostasis doi:10.1073/pnas.2537357123 2026-05-27T07:00:00Z Benjamin BrandtSebastian SchwartzSerena SchwenkertMoritz KrämerKuenzang OmCarina EngstlerAndreas KlinglPeter JahnsEtienne H. MeyerRachael A. DeTarJürgen EirichIris FinkemeierAsaph B. CousinsHans-Henning KunzaPlant Biochemistry and Physiology, Department of Plant Sciences, Ludwig-Maximilians-University Munich, Martinsried-Planegg 82152, GermanybMass Spectrometry of Biomolecules, Department of Plant Sciences, Ludwig-Maximilians-University Munich, Martinsried-Planegg 82152, GermanycPlant Molecular Biology, Department of Plant Sciences, Ludwig-Maximilians-University Munich, Martinsried-Planegg 82152, Germanydhttps://ror.org/05dk0ce17School of Biological Sciences, Washington State University, Pullman, WA 99164-4236ePlant Development, Department of Plant Sciences, Ludwig-Maximilians-University Munich, Martinsried-Planegg 82152, GermanyfDepartment of Plant Biochemistry, Heinrich-Heine-University Duesseldorf, Duesseldorf 40225, GermanygInstitute of Plant Physiology, Martin-Luther-University Halle-Wittenberg, Halle (Saale) 06120, Germanyhhttps://ror.org/03k1gpj17Department of Biology, Colorado State University, Fort Collins, CO 80523ihttps://ror.org/00pd74e08Plant Physiology, Institute of Plant Biology and Biotechnology, University of Muenster, Muenster 48149, Germany Proceedings of the National Academy of Sciences 123 22 2026-06-02T07:00:00Z 2026-06-02T07:00:00Z 10.1073/pnas.2537357123 https://www.pnas.org/doi/abs/10.1073/pnas.2537357123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2603937123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 22, June 2026. <br/>SignificanceAchieving the goal of “Zero Hunger” is an urgent global priority, given the profound impact of micronutrient deficiencies on human health and economic development. This study employed multiplex gene editing technology to target five key genes ... Multiplex gene editing enables the multibiofortification of essential vitamins and other health-promoting phytonutrients in tomato doi:10.1073/pnas.2603937123 2026-05-27T07:00:00Z Yechun HongZongjun YuWenbo ZhuJialei SunZeyao ZhuZhen WangMinjie CaoZhaobo LangYu-Xuan LyuPengpeng LiuJian-Kang ZhuaInstitute of Advanced Biotechnology, Institute of Homeostatic Medicine, and School of Medicine, Southern University of Science and Technology, Shenzhen 518055, ChinabSchool of Life Sciences, Anhui Agricultural University, Hefei, Anhui 230036, ChinacFaculty of Medicine, Macau University of Science and Technology, Macau SAR 999078, China Proceedings of the National Academy of Sciences 123 22 2026-06-02T07:00:00Z 2026-06-02T07:00:00Z 10.1073/pnas.2603937123 https://www.pnas.org/doi/abs/10.1073/pnas.2603937123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2521414123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 21, May 2026. <br/>SignificancePathogens that infect multiple plant species threaten global food security, but how they successfully colonize such diverse hosts remains unclear. This study uncovers how the fungal pathogenBotrytis cinerealeverages a modular transcriptional ... Combined generalist and host-specific transcriptional strategies enable host generalism in the fungal pathogen Botrytis cinerea doi:10.1073/pnas.2521414123 2026-05-19T07:00:00Z Ritu SinghAnna Jo MuhichCloe TomJack McMillanKarishma SrinivasLucca FaietaCeline CaseysDaniel J. KliebensteinaDepartment of Plant Science, University of California, Davis, CA 95616 Proceedings of the National Academy of Sciences 123 21 2026-05-26T07:00:00Z 2026-05-26T07:00:00Z 10.1073/pnas.2521414123 https://www.pnas.org/doi/abs/10.1073/pnas.2521414123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2600591123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 21, May 2026. <br/>SignificanceBrassinosteroid hormones initiate a well-characterized plant signaling pathway. While early signaling events at the plasma membrane have been thoroughly examined, the precise sequence of molecular events that comprise the cytoplasmic signaling ... Plant Kelch phosphatases are Ser/Thr phosphatases involved in cell cycle regulation doi:10.1073/pnas.2600591123 2026-05-20T07:00:00Z Felix Rico-ResendizOded Pri-TalPierre RaiaAndrea MorettiHouming ChenJun YuLarissa BrogerChristelle FuchsLudwig A. HothornSylvain LoubéryMichael HothornaStructural Plant Biology Laboratory, Department of Plant Sciences, University of Geneva, Geneva 1211, SwitzerlandbDepartment of Molecular and Cellular Biology, University of Geneva, Geneva 1211, SwitzerlandcPlant Imaging Unit, Department of Plant Sciences, University of Geneva, Geneva 1211, SwitzerlanddInstitute of Biostatistics, Leibniz University, Hannover 30419, Germany Proceedings of the National Academy of Sciences 123 21 2026-05-26T07:00:00Z 2026-05-26T07:00:00Z 10.1073/pnas.2600591123 https://www.pnas.org/doi/abs/10.1073/pnas.2600591123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2603682123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 21, May 2026. <br/>SignificanceDNA methylation is required for genome stability and regulation of genes and transposons in many eukaryotes. InArabidopsis thaliana, DNA methylation is required for developmental programming, yet profiles vary dramatically according to ... Genome-wide CG hypomethylation of the Arabidopsis ecotype Cvi linked to structural variation and RNAi at the VIM4–VIM2 locus doi:10.1073/pnas.2603682123 2026-05-19T07:00:00Z Sang-Yoon ShinMinsu ParkJaehoon LeeSeunga LeeJennifer M. FrostRobert L. FischerYeonhee ChoiChanseok ShinaResearch Institute of Agriculture and Life Sciences, and Plant Genomics and Breeding Institute, Seoul National University, Seoul 08826, KoreabResearch Center for Plant Plasticity, Seoul National University, Seoul 08826, KoreacDepartment of Agricultural Biotechnology, Seoul National University, Seoul 08826, KoreadDepartment of Biological Sciences, Seoul National University, Seoul 08826, KoreaeDepartment of Medical and Molecular Genetics, King’s College London, Great Maze Pond, London SE1 9RT, United KingdomfDepartment of Plant and Microbial Biology, University of California, Berkeley, CA 94720 Proceedings of the National Academy of Sciences 123 21 2026-05-26T07:00:00Z 2026-05-26T07:00:00Z 10.1073/pnas.2603682123 https://www.pnas.org/doi/abs/10.1073/pnas.2603682123?af=R