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.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 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