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.2532196123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 32, August 2026. <br/>SignificanceUnderstanding pathogen recognition in crops is key to improving disease resistance. Our study identified a cell surface immune receptor in cultivated lettuce that mediates the recognition of the nlp24 pattern derived from secreted proteins (... A lettuce receptor-like kinase recognizes the highly conserved heptapeptide motif within microbial Nep1-like proteins doi:10.1073/pnas.2532196123 2026-08-04T07:00:00Z Iñigo BañalesSarah L. MehremSamara Almeida LandmanMarrit AlderkampMax PijfersStan BaijensAlix von BredowPeter SchutteSander PrevooGijs van AsseltSagayamary SagayaradjBasten SnoekRichard MichelmoreDmitry LapinGuido Van den Ackervekenahttps://ror.org/04pp8hn57Translational Plant Biology, Department of Biology, Science Faculty, Institute of Environmental Biology, Utrecht University, Utrecht 3584CH, The Netherlandsbhttps://ror.org/04pp8hn57Theoretical Biology and Bioinformatics, Department of Biology, Science Faculty, Institute of Biodynamics and Biocomplexity, Utrecht University, Utrecht 3584CH, The Netherlandschttps://ror.org/05rrcem69Genome Center, University of California, Davis, CA 95616dhttps://ror.org/05rrcem69Department of Plant Sciences, University of California, Davis, CA 95616 Proceedings of the National Academy of Sciences 123 32 2026-08-11T07:00:00Z 2026-08-11T07:00:00Z 10.1073/pnas.2532196123 https://www.pnas.org/doi/abs/10.1073/pnas.2532196123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2535250123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 32, August 2026. <br/>SignificanceGinseng is a globally important medicinal plant valued for its health-promoting ginsenosides, but the genetic basis underlying its domestication and metabolite divergence remains unclear. By resequencing 287 accessions, we identified five ... Population genomics reveals ginseng domestication and ginsenoside biosynthesis doi:10.1073/pnas.2535250123 2026-08-05T07:00:00Z Yating ZhangKui WangZheng LiXikai YuFengjiao WangSiwei QiaoShiquan XuJiantao ZhaoBao LiuXingtan ZhangHao ZhangWei Liahttps://ror.org/0313jb750Institute of Special Animal and Plant Sciences, Chinese Academy of Agricultural Sciences, Changchun 130112, Chinabhttps://ror.org/0313jb750Shenzhen Branch, Guangdong Laboratory of Lingnan Modern Agriculture, Key Laboratory of Synthetic Biology, Ministry of Agriculture and Rural Affairs, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518120, Chinachttps://ror.org/034t30j35Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, Chinadhttps://ror.org/04gh4er46State Key Laboratory of Quantitative Synthetic Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, Chinaehttps://ror.org/05bnh6r87Boyce Thompson Institute, Cornell University, Ithaca, NY 14853fhttps://ror.org/02rkvz144Key Laboratory of Molecular Epigenetics of the Ministry of Education, Northeast Normal University, Changchun 130024, China Proceedings of the National Academy of Sciences 123 32 2026-08-11T07:00:00Z 2026-08-11T07:00:00Z 10.1073/pnas.2535250123 https://www.pnas.org/doi/abs/10.1073/pnas.2535250123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2617665123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 32, August 2026. <br/>SignificanceSalt stress imposes cellular challenges through osmotic dehydration and ionic toxicity, yet mechanisms for ionic stress perception in plants remain unknown. We identified MUSTANG4 (MUG4) as both an ionic sensor and master autophagy regulator ... A transposon-derived transcription factor senses ionic stress through phase separation to govern plant autophagy doi:10.1073/pnas.2617665123 2026-08-05T07:00:00Z Yang ShaoSongyang WangLi LiangBiao GongAurore JoharyBenhui ShiLinyang ZhangYanqun XuZoé Joly-LopezZisheng LuoThomas E. BureauJiaqi SunaThe Key Laboratory of Plant Development and Environmental Adaptation Biology, Ministry of Education, Shandong Key Laboratory of Precision Molecular Crop Design and Breeding, Shandong Provincial Key Laboratory of Plant Stress Biology and Genetic Improvement, School of Life Sciences, Shandong University, Qingdao 266237, Chinabhttps://ror.org/01pxwe438Department of Biology, McGill University, Montreal, QC H3B 1A1, Canadachttps://ror.org/02ke8fw32College of Horticulture Science and Engineering, Shandong Agricultural University, Taian 271018, Chinadhttps://ror.org/002rjbv21Département de Chimie, Université du Québec à Montréal, Montréal, QC H2X 3P2, Canadaehttps://ror.org/0220qvk04Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, ChinafCollege of Biosystems Engineering and Food Science, Key Laboratory of Agro-Products Postharvest Handling Ministry of Agriculture, Zhejiang Key Laboratory of Agri-Food Resources and High-Value Utilization, Zhejiang University, Hangzhou 310058, Chinaghttps://ror.org/0207yh398Shenzhen Research Institute of Shandong University, Shenzhen 518000, China Proceedings of the National Academy of Sciences 123 32 2026-08-11T07:00:00Z 2026-08-11T07:00:00Z 10.1073/pnas.2617665123 https://www.pnas.org/doi/abs/10.1073/pnas.2617665123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2618203123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 32, August 2026. <br/>SignificanceElucidating the mechanisms that sustain circadian precision is crucial for understanding how plants align their internal rhythms with external environmental cycles. This study provides mechanistic insights into the action roles of LWD1 by ... Unveiling previously undescribed circadian clock regulators and action mechanisms via TurboID-based profiling of the LWD1 interactome in Arabidopsis thaliana doi:10.1073/pnas.2618203123 2026-08-05T07:00:00Z Chun-Kai HuangChuan-Chih HsuHuang-Lung TsaiWen-Dar LinJing-Fen WuShu-Hsing Wuahttps://ror.org/00jj3h083Institute of Plant and Microbial Biology, Academia Sinica, Taipei 115201, Taiwanbhttps://ror.org/05bqach95Institute of Molecular and Cellular Biology, National Taiwan University, Taipei 10617, Taiwan Proceedings of the National Academy of Sciences 123 32 2026-08-11T07:00:00Z 2026-08-11T07:00:00Z 10.1073/pnas.2618203123 https://www.pnas.org/doi/abs/10.1073/pnas.2618203123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2603182123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 31, August 2026. <br/>SignificanceVerticillium dahliaeis a vascular fungal pathogen notorious for its “stealthy” parasitic phase, during which it colonizes host plants with minimal immune activation. The molecular basis of this immune silence has remained elusive. We show ... A fungal effector inhibits plant MAPK signaling by acting as a decoy substrate of MKK5 doi:10.1073/pnas.2603182123 2026-07-29T07:00:00Z Xiu-qi LiuXian-ping LiuLin JinMin LuoYu-jia TangYu-zhuo YanCheng-Guo DuanChen ZhuaCollege of Life Sciences, Anhui Normal University, Wuhu 241002, Chinabhttps://ror.org/0064kty71School of Agriculture and Biotechnology, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, Chinachttps://ror.org/001f9e125Key Laboratory of Cotton and Rapeseed (Nanjing), Ministry of Agriculture and Rural Affairs, the Institute of Industrial Crops, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China Proceedings of the National Academy of Sciences 123 31 2026-08-04T07:00:00Z 2026-08-04T07:00:00Z 10.1073/pnas.2603182123 https://www.pnas.org/doi/abs/10.1073/pnas.2603182123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2536276123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 30, July 2026. <br/>SignificanceThe angles at which roots grow into the soil determine how plants search for water and nutrients and are central to plant performance and stress resilience. We identifySHOOT GRAVITROPISM 9as a regulator of gravity perception in lateral roots,... SHOOT GRAVITROPISM 9 links sensory timing to the initial lateral root growth angle doi:10.1073/pnas.2536276123 2026-07-22T07:00:00Z Sophie Zoe FarkasFederico GrippoDenisa OulehlováAlberto González-DelgadoSeinab NouraSima MolazeinaliKrzysztof WabnikMatyáš FendrychSascha WaidmannJürgen Kleine-Vehnahttps://ror.org/0245cg223Institute of Biology II, Chair of Molecular Plant Physiology, University of Freiburg, Freiburg 79104, Germanybhttps://ror.org/0245cg223Center for Integrative Biological Signalling Studies, University of Freiburg, Freiburg 79104, Germanychttps://ror.org/024d6js02Department of Experimental Plant Biology, Faculty of Science, Charles University, Prague 128 00, Czechiadhttps://ror.org/057br4398Institute of Experimental Botany of the Czech Academy of Sciences, Prague 16502, Czech Republicehttps://ror.org/02gfc7t72Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Consejo Superior de Investigaciones Científicas (CSIC), Pozuelo de Alarcón, Madrid 28223, Spainfhttps://ror.org/05vf56z40Department of Plant Biology, School of Biology, College of Science, University of Tehran, Tehran 1417694411, Iranghttps://ror.org/0245cg223Future Forests Cluster of Excellence, University of Freiburg, Freiburg 79104, Germany Proceedings of the National Academy of Sciences 123 30 2026-07-28T07:00:00Z 2026-07-28T07:00:00Z 10.1073/pnas.2536276123 https://www.pnas.org/doi/abs/10.1073/pnas.2536276123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2602740123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 30, July 2026. <br/>SignificanceWhile SnRK2 kinases, core components of abscisic acid (ABA) signaling, are known to positively regulate drought responses, the mechanisms that prevent overactivation of this pathway require further exploration. Our work in maize reveals that ... A phosphorylation cascade involving ZmSnRK2.10–ZmRIPK2–ZmWRKY38 attenuates drought response by derepressing ZmSUS2 in maize doi:10.1073/pnas.2602740123 2026-07-20T07:00:00Z Tingting WangAifang MaJinkui ChengYinan HanXuexue ChenTingting FangZiting ZhongYuemei ZhangJikang TianHan WangYu WangJunsheng QiShuhua YangZhizhong Gongahttps://ror.org/04v3ywz14State Key Laboratory of Plant Environmental Resilience, Frontiers Science Center for Molecular Design Breeding, Center for Crop Functional Genomics and Molecular Breeding, College of Biological Sciences, China Agricultural University, Beijing 100193, Chinabhttps://ror.org/02aee5m12State Key Laboratory of Seed Innovation, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, ChinacCollege of Life Sciences, Institute of Life Science and Green Development, Hebei University, Baoding 071002, China Proceedings of the National Academy of Sciences 123 30 2026-07-28T07:00:00Z 2026-07-28T07:00:00Z 10.1073/pnas.2602740123 https://www.pnas.org/doi/abs/10.1073/pnas.2602740123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2608150123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 30, July 2026. <br/>SignificanceIn plants, Hydrogen sulfide (H2S) acts as an important gasotransmitter, with protein persulfidation recognized as one of its major regulatory mechanisms, yet its protein targets and metabolic consequences remain poorly understood. By mapping ... H2S-mediated protein persulfidation regulates redox metabolic flux underlying salt-stress resilience in rice doi:10.1073/pnas.2608150123 2026-07-21T07:00:00Z Zhengyao LinMingjian ZhouXiaoyun MaMiaomiao LiLing FuHongfei LiYinggao LiuFu-Yuan ZhuMarc Van MontaguFrank Van BreusegemJingjing HuangYanjie Xieahttps://ror.org/03m96p165State Key Laboratory for Development and Utilization of Forest Food Resources, Co-Innovation Center for Sustainable Forestry in Southern China, State Key Laboratory of Tree Genetics and Breeding, Key Laboratory of State Forestry and Grassland Administration on Subtropical Forest Biodiversity Conservation, College of Life Sciences, Nanjing Forestry University, Nanjing, Jiangsu 210037, Chinabhttps://ror.org/05td3s095Laboratory Center of Life Sciences, College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, Chinachttps://ror.org/00cv9y106Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent 9052, BelgiumdCenter for Plant Systems Biology, VIB, Ghent 9052, BelgiumeState Key Laboratory of Medical Proteomics, National Center for Protein Sciences (Beijing), Beijing 102206, Chinafhttps://ror.org/02ke8fw32College of Life Science, Shandong Agricultural University, Taian, Shandong 271018, ChinagInternational Plant Biotechnology Outreach, VIB, Ghent 9052, Belgium Proceedings of the National Academy of Sciences 123 30 2026-07-28T07:00:00Z 2026-07-28T07:00:00Z 10.1073/pnas.2608150123 https://www.pnas.org/doi/abs/10.1073/pnas.2608150123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2609666123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 30, July 2026. <br/>SignificanceNitrogen availability in soils fluctuates across space and time, yet most measurements rely on laboratory analysis of extracted soil samples. Such measurements provide only snapshots of nitrogen status and do not necessarily reflect the ... Sentinel plants enable quantitative monitoring of bioavailable nitrate in soils and microbial environments doi:10.1073/pnas.2609666123 2026-07-23T07:00:00Z Eugene LiChiara BerrutoTufan M. OzElisa GrilloCatherine GriffinYunqing WangKimberley T. MuchenjeJolie W. JonesGozde S. Demirerahttps://ror.org/05dxps055Chemistry and Chemical Engineering Division, California Institute of Technology, Pasadena, CA 91125bhttps://ror.org/05dxps055Biology and Biological Engineering Division, California Institute of Technology, Pasadena, CA 91125 Proceedings of the National Academy of Sciences 123 30 2026-07-28T07:00:00Z 2026-07-28T07:00:00Z 10.1073/pnas.2609666123 https://www.pnas.org/doi/abs/10.1073/pnas.2609666123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2610028123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 30, July 2026. <br/>SignificanceOxygen evolution by photosystem II sustains aerobic life and transformed Earth’s early environment by generating the oxygenic atmosphere. The reaction is catalyzed by the Mn4CaO5cluster of the oxygen-evolving complex (OEC), which is mainly ... Posttranslational generation of carboxylate ligands from aliphatic side chains in the photosynthetic oxygen-evolving complex doi:10.1073/pnas.2610028123 2026-07-20T07:00:00Z Hatsune MizueTakehiro SuzukiTakumi MatsubaraTomomi Kitajima-IharaMinako HiranoYuichiro ShimadaYuki KatoNaoshi DohmaeTakumi Noguchiahttps://ror.org/04chrp450Department of Physics, Graduate School of Science, Nagoya University, Nagoya 464-8602, Japanbhttps://ror.org/010rf2m76Biomolecular Characterization Unit, RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan Proceedings of the National Academy of Sciences 123 30 2026-07-28T07:00:00Z 2026-07-28T07:00:00Z 10.1073/pnas.2610028123 https://www.pnas.org/doi/abs/10.1073/pnas.2610028123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2610789123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 30, July 2026. <br/>SignificanceRed algae and land plants diverged more than a billion years ago and assemble cuticles using chemically different strategies, reflecting convergent evolution of these surface boundaries. An optimized extraction method enabled biochemical ... The multilayered cuticle underlying structural coloration in red algae shares features with the metazoan extracellular matrix doi:10.1073/pnas.2610789123 2026-07-23T07:00:00Z Glenn PhilippeOlivier GodfroyFrederic BeissonAmbre GautierDiane JouanneauSophie Le PanseEmmanuelle ComLudovic DelageMirjam CzjzekElizabeth Ficko-BleanJonas Collénahttps://ror.org/03s0pzj56Sorbonne Université, CNRS, Laboratoire de Biologie Intégrative des Modèles Marins, UMR 8227, Station Biologique de Roscoff, Roscoff F-29680, Francebhttps://ror.org/01rs1gy10CEA, CNRS, Aix Marseille Université, Institut de Biosciences et Biotechnologies d’Aix-Marseille, UMR 7265, CEA Cadarache, Saint-Paul-lez-Durance F-13108, Francechttps://ror.org/02en5vm52Sorbonne Université, CNRS, Merimage Facility, FR 2424, Station Biologique de Roscoff, Roscoff F-29680, Francedhttps://ror.org/05cx7ek10Univ Rennes, CNRS, Inserm, Biosit UAR 3480, US-S 018, Protim Core Facility, Rennes F-35042, Franceehttps://ror.org/01p178v10Univ Rennes, Inserm, École des Hautes Études en Santé Publique, Institut de Recherche en Santé, Environnement et Travail, UMR-S 1085, Rennes F-35000, France Proceedings of the National Academy of Sciences 123 30 2026-07-28T07:00:00Z 2026-07-28T07:00:00Z 10.1073/pnas.2610789123 https://www.pnas.org/doi/abs/10.1073/pnas.2610789123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2534315123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 29, July 2026. <br/>SignificanceHistone acetylation is crucial for regulating chromatin states and transcription, yet the specific histone codes controlled by histone deacetylases and acetyltransferases during plant stress acclimation remain unclear. Arabidopsis mutants ... HDA19-mediated deacetylation of histone H3.3 at lysines 27 and 36 regulates plant sensitivity to salt stress doi:10.1073/pnas.2534315123 2026-07-13T07:00:00Z Florian KotnikMinoru UedaAkihiro ItoJunko IshidaSatoshi TakahashiKatsuyuki SakaiHiroshi TakagiJulian SeidelTakahiro AbeJürgen EirichShunji TakahashiDirk SchwarzerMotoaki SekiIris Finkemeierahttps://ror.org/00pd74e08Plant Physiology, Institute of Plant Biology and Biotechnology, University of Münster, Münster 48149, Germanybhttps://ror.org/010rf2m76Plant Genomic Network Research Team, RIKEN Center for Sustainable Resource Science, Yokohama 230-004, JapancPlant Epigenome Regulation Laboratory, RIKEN Cluster for Pioneering Research, Wako 351-0198, Japandhttps://ror.org/057jm7w82Laboratory of Cell Signaling, School of Life Sciences, Tokyo University of Pharmacy and Life Sciences, Hachioji 192-0392, Japanehttps://ror.org/010rf2m76Drug Discovery Seed Development Unit, RIKEN Center for Sustainable Resource Science, Wako 351-0198, Japanfhttps://ror.org/010rf2m76Natural Product Biosynthesis Research Unit, RIKEN Center for Sustainable Resource Science, Wako 351-0198, Japanghttps://ror.org/03a1kwz48Interfaculty Institute of Biochemistry, University of Tübingen, Tübingen 72076, Germanyhhttps://ror.org/0135d1r83Kihara Institute for Biological Research, Yokohama City University, Yokohama 244-0813, Japanihttps://ror.org/02evnh647Graduate School of Science and Engineering, Saitama University, Saitama 338-8570, Japan Proceedings of the National Academy of Sciences 123 29 2026-07-21T07:00:00Z 2026-07-21T07:00:00Z 10.1073/pnas.2534315123 https://www.pnas.org/doi/abs/10.1073/pnas.2534315123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2609022123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 29, July 2026. <br/>SignificancePlants face fundamental tradeoffs between growth and defense due to limited resources, yet little is known about tradeoffs involving sulfur, an essential macronutrient incorporated into many defense compounds. We identify CYCLIN-DEPENDENT ... CDK8 coordinates jasmonate-induced immunity with sulfur-responsive defense in Arabidopsis doi:10.1073/pnas.2609022123 2026-07-14T07:00:00Z Qiang GuoHuijia GongBailey J. KlevenJian YaoJie WangKevin L. ChildsHideki TakahashiGregg A. Howeahttps://ror.org/05hs6h993Department of Energy Plant Research Laboratory, Michigan State University, East Lansing, MI 48824bhttps://ror.org/04v3ywz14State Key Laboratory of Maize Bio-breeding, College of Plant Protection, China Agricultural University, Beijing 100193, Chinachttps://ror.org/05hs6h993Plant Resilience Institute, Michigan State University, East Lansing, MI 48824dhttps://ror.org/05hs6h993Genetics and Genome Sciences Program, Michigan State University, East Lansing, MI 48824ehttps://ror.org/05hs6h993Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI 48824fhttps://ror.org/05hs6h993Department of Plant Biology, Michigan State University, East Lansing, MI 48824 Proceedings of the National Academy of Sciences 123 29 2026-07-21T07:00:00Z 2026-07-21T07:00:00Z 10.1073/pnas.2609022123 https://www.pnas.org/doi/abs/10.1073/pnas.2609022123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2615226123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 29, July 2026. <br/>SignificanceRoot-infecting vascular pathogens like the fungusFusarium oxysporum(Fo) threaten global agriculture and natural ecosystems by invading the water-conducting vessels (xylem), disrupting nutrient flow. Before this invasion, Fo triggers a rapid ... Fusarium oxysporum–induced ABA signaling triggers root vascular remodeling for plant defense doi:10.1073/pnas.2615226123 2026-07-13T07:00:00Z Ana Cecilia Aliaga FandinoLucrezia PintoAntonio SerranoClara Sánchez-Rodríguezahttps://ror.org/011q66e29Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid—Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Pozuelo de Alarcón 28223, Spainbhttps://ror.org/03n6nwv02Departamento de Biotecnología-Biología Vegetal, Escuela Técnica Superior de Ingeniería Agronómica, Alimentaria y de Biosistemas, Universidad Politécnica de Madrid, Madrid 28040, Spain Proceedings of the National Academy of Sciences 123 29 2026-07-21T07:00:00Z 2026-07-21T07:00:00Z 10.1073/pnas.2615226123 https://www.pnas.org/doi/abs/10.1073/pnas.2615226123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2532666123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 28, July 2026. <br/>SignificanceThe shoot–root axis of plants can be traced back to polar growth and division of the zygote. After fertilization, the zygote elongates and divides asymmetrically into a small apical daughter, which forms the shoot as well as part of the root, ... Arabidopsis BSL phosphatases regulate zygote polarity through a brassinosteroid-independent essential function in MAP kinase signaling doi:10.1073/pnas.2532666123 2026-07-07T07:00:00Z Sangho JeongGabriel EschedorMagdy AlabadyWolfgang LukowitzaDepartment of Plant Biology, University of Georgia, Athens, GA 30605 Proceedings of the National Academy of Sciences 123 28 2026-07-14T07:00:00Z 2026-07-14T07:00:00Z 10.1073/pnas.2532666123 https://www.pnas.org/doi/abs/10.1073/pnas.2532666123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2533100123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 28, July 2026. <br/>SignificancePhotosynthetic organisms rely on biosynthesis of chlorophylls. The first committed step in chlorophyll biosynthesis is carried out by magnesium chelatase, a multisubunit enzyme comprising CHLH, CHLI, and CHLD subunits. Oxygenic photosynthetic ... Covalent phytobilin adducts of GUN4 implicate a photoprotective mechanism in chlorophyll biosynthesis doi:10.1073/pnas.2533100123 2026-07-07T07:00:00Z Yan WangChunhui HouNathan C. RockwellPawel BrzezowskiWeiqing ZhangXiahe HuangQiuling FanYingchun WangBernhard GrimmJ. Clark LagariasDeqiang Duanmuahttps://ror.org/023b72294National Key Laboratory of Agricultural Microbiology, College of Bio-X, Hubei Hongshan Laboratory, Huazhong Agricultural University, Wuhan 430070, Chinabhttps://ror.org/05rrcem69Department of Molecular and Cellular Biology, University of California, Davis, CA 95616chttps://ror.org/01dr6c206Department of Stress Biology, The Franciszek Górski Institute of Plant Physiology, Polish Academy of Sciences, Kraków 30-239, Polanddhttps://ror.org/01hcx6992Institute of Biology/Plant Physiology, Humboldt-Universität zu Berlin, Berlin 10115, Germanyehttps://ror.org/023rhb549Key Laboratory of Plant Hormones and Development Regulation of Chongqing, School of Life Sciences, Chongqing University, Chongqing 400044, Chinafhttps://ror.org/05qbk4x57Institute of Genetics and Developmental Biology, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100101, Chinaghttps://ror.org/0313jb750Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen 518000, China Proceedings of the National Academy of Sciences 123 28 2026-07-14T07:00:00Z 2026-07-14T07:00:00Z 10.1073/pnas.2533100123 https://www.pnas.org/doi/abs/10.1073/pnas.2533100123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2537390123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 28, July 2026. <br/>SignificanceProtons can migrate along membrane surfaces to link distant proton pumps and proton-consuming enzymes, but the membrane features that control this migration are not well understood. While membrane charge exerts only a limited influence, we now ... Glycolipids slow interfacial proton migration while preserving surface proton retention doi:10.1073/pnas.2537390123 2026-07-08T07:00:00Z Anna MaznichenkoPeter PohlaInstitute of Biophysics, Department of Physics, Johannes Kepler University Linz, Linz 4040, Austria Proceedings of the National Academy of Sciences 123 28 2026-07-14T07:00:00Z 2026-07-14T07:00:00Z 10.1073/pnas.2537390123 https://www.pnas.org/doi/abs/10.1073/pnas.2537390123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2529768123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 27, July 2026. <br/>SignificancePlant development requires the precise control of cell division, growth, and fate transitions. How these are coordinated to generate developmentally conserved patterns remains mysterious for many plant tissues. We identified a pathway that ... Force-responsive symmetric cell divisions orient stomata along global tissue axes doi:10.1073/pnas.2529768123 2026-06-30T07:00:00Z Kensington S. HartmanBianca Y. LopezJuan H. GonzalezMadison E. GoetzAviel ClevelandAndrew Muroyamaahttps://ror.org/0168r3w48Department of Cell and Developmental Biology, Division of Biological Sciences, University of California San Diego, La Jolla, CA 92093 Proceedings of the National Academy of Sciences 123 27 2026-07-07T07:00:00Z 2026-07-07T07:00:00Z 10.1073/pnas.2529768123 https://www.pnas.org/doi/abs/10.1073/pnas.2529768123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2530341123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 27, July 2026. <br/>SignificancePlants must sense and respond to nutrient availability to optimize growth and reproduction. Flowering timing is a critical adaptive trait, yet the molecular mechanisms linking nutrient signals to developmental transitions remain unclear. Here, ... Nitrogen–TOR targets a bivalent chromatin reader to modulate floral transition doi:10.1073/pnas.2530341123 2026-07-01T07:00:00Z Wenwen TianJacob O. BrunkardShuiming QianXuehua Zhongahttps://ror.org/01yc7t268Department of Biology, Washington University in St. Louis, St. Louis, MO 63130bLaboratory of Genetics, University of Wisconsin, Madison, WI 53715 Proceedings of the National Academy of Sciences 123 27 2026-07-07T07:00:00Z 2026-07-07T07:00:00Z 10.1073/pnas.2530341123 https://www.pnas.org/doi/abs/10.1073/pnas.2530341123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2537976123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 27, July 2026. <br/>SignificanceCa2+-independent protein kinase OST1 phosphorylates CNGCs to activate them as Ca2+channels to trigger external Ca2+influx and cytosolic Ca2+elevation for Ca2+signal encoding to close stomata in response to ABA in Arabidopsis. However, it ... CPKs are involved in Ca2+ signaling encoding by enhancing OST1-initiated Ca2+ influx for ABA-induced stomatal closure in Arabidopsis doi:10.1073/pnas.2537976123 2026-06-30T07:00:00Z Yan-Qiu TanYing-Yue RenYang YangJianping WangBo YuXinyong WangPeng ZhangYang ZhaoPengcheng WangYong-Fei Wangahttps://ror.org/034t30j35State Key Laboratory of Plant Trait Design, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences (CAS), Shanghai 200032, Chinabhttps://ror.org/05qbk4x57University of Chinese Academy of Sciences, Shanghai 200032, Chinachttps://ror.org/049tv2d57Institute of Advanced Biotechnology and School of Medicine, Southern University of Science and Technology, Shenzhen 518055, China Proceedings of the National Academy of Sciences 123 27 2026-07-07T07:00:00Z 2026-07-07T07:00:00Z 10.1073/pnas.2537976123 https://www.pnas.org/doi/abs/10.1073/pnas.2537976123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2601782123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 27, July 2026. <br/>SignificancePhotosynthetic organisms balance efficient light harvesting with protection against excess excitation energy. Nonphotochemical quenching (NPQ) is a conserved photoprotective mechanism, yet how the essential energy-quenching site is assembled ... Lhcf2 in the peripheral antenna is essential for nonphotochemical quenching and Lhcx1 accumulation in the diatom Chaetoceros gracilis doi:10.1073/pnas.2601782123 2026-06-30T07:00:00Z Jian XingMinoru KumazawaKentaro Ifukuahttps://ror.org/02kpeqv85Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japanbhttps://ror.org/02e16g702Institute of Low Temperature Science, Hokkaido University, Sapporo 060-0819, Japan Proceedings of the National Academy of Sciences 123 27 2026-07-07T07:00:00Z 2026-07-07T07:00:00Z 10.1073/pnas.2601782123 https://www.pnas.org/doi/abs/10.1073/pnas.2601782123?af=R https://www.pnas.org/doi/abs/10.1073/pnas.2603045123?af=R Proceedings of the National Academy of Sciences, Volume 123, Issue 27, July 2026. <br/>SignificanceThe sporophytic and gametophytic phases of land plants, which together constitute the sexual life cycle, exhibit distinct body plans that have taken separate evolutionary paths. Here, we investigate the evolution ofWIPgene functions in the ... WIP transcriptional regulators modulate developmental progression in both life cycle phases of a moss doi:10.1073/pnas.2603045123 2026-06-29T07:00:00Z Maria Victoria Gomez RoldanYuhang YanYujuan DuFlorence CharlotPierre-François PerroudJulie CalbryOfir GriessMarion VerdenaudFabien MarcelSylvie CiterneJoseph TranNir OhadYoan CoudertFabien NoguéAbdelhafid Bendahmaneahttps://ror.org/03xjwb503CNRS, Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, Université d’Evry, Institute of Plant Sciences Paris-Saclay, Université Paris-Saclay, Orsay 91405, Francebhttps://ror.org/003vg9w96Université Paris-Saclay, Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, AgroParisTech, Institute Jean-Pierre Bourgin for Plant Sciences, Versailles 78000, FrancecSchool of Plant Sciences and Food Security, Tel-Aviv University, Tel- Aviv 69978, Israeldhttps://ror.org/003vg9w96Laboratoire 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, Institut National de Recherche en Informatique et en Automatique, Lyon 69007, France Proceedings of the National Academy of Sciences 123 27 2026-07-07T07:00:00Z 2026-07-07T07:00:00Z 10.1073/pnas.2603045123 https://www.pnas.org/doi/abs/10.1073/pnas.2603045123?af=R