Featured
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Article
| Open AccessThe translocation of a chloride channel from the Golgi to the plasma membrane helps plants adapt to salt stress
In Arabidopsis roots, NaCl induces the translocation of AtCLCf from the Golgi to the plasma membrane, mediated by the small GTPase AtRABA1b, where AtCLCf functions as a Cl− efflux channel and confers salinity tolerance to the plant.
- Sivamathini Rajappa
- , Pannaga Krishnamurthy
- & Prakash P. Kumar
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Article
| Open AccessA quantitative gibberellin signaling biosensor reveals a role for gibberellins in internode specification at the shoot apical meristem
Engineering of a biosensor allows the authors to map the signaling activity of the phytohormones gibberellins (GAs) and to show that GAs orient cell division at the shoot apex to establish the organization in parallel cell files of plant stems.
- Bihai Shi
- , Amelia Felipo-Benavent
- & Teva Vernoux
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Article
| Open AccessPhytohormone profiling in an evolutionary framework
Genomic evidence dates the origins of most phytohormones to terrestrialization or later. Here, the authors show that the biosynthesis of many compounds in green algae preceded their recruitment in phytohormone signaling and metabolism in land plants.
- Vojtěch Schmidt
- , Roman Skokan
- & Jan Petrášek
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Article
| Open AccessArabidopsis α-Aurora kinase plays a role in cytokinesis through regulating MAP65-3 association with microtubules at phragmoplast midzone
Arabidopsis α-Aurora kinase regulates plant cytokinesis by phosphorylating the microtubule-associated protein MAP65-3, which controls the dynamic organization of the phragmoplast structure essential for cytokinesis completion.
- Xingguang Deng
- , Yu Xiao
- & Honghui Lin
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Article
| Open AccessArabidopsis SBT5.2 and SBT1.7 subtilases mediate C-terminal cleavage of flg22 epitope from bacterial flagellin
Plants initiate specific defense responses by recognizing flg22 peptide epitope derived from flagellin, the major structural protein of the bacterial flagellum. Here, the authors identified two plant subtilases, SBT5.2 and SBT1.7, as specific proteases responsible for cleaving the peptide epitope.
- Sayaka Matsui
- , Saki Noda
- & Yoshikatsu Matsubayashi
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Matters Arising
| Open AccessReassessing data quality underlying the recently updated floristic map of the world
- Hong Qian
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Article
| Open AccessDiscovering a mitochondrion-localized BAHD acyltransferase involved in calystegine biosynthesis and engineering the production of 3β-tigloyloxytropane
A mitochondrion-localised BAHD acyltransferase (3β-tigloyloxytropane synthase, TS) from Atropa belladonna is responsible for the formation of 3β-tigloyloxytropane, the key intermediate in calystegine biosynthesis.
- Junlan Zeng
- , Xiaoqiang Liu
- & Zhihua Liao
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Article
| Open AccessDistinguishing individual photobodies using Oligopaints reveals thermo-sensitive and -insensitive phytochrome B condensation at distinct subnuclear locations
Photobodies form via the condensation of the light and temperature sensor phytochrome B. Here, the authors label photobodies using nuclear landmarks to demonstrate the nonrandom thermos-sensitive and -insensitive seeding of distinct photobodies.
- Juan Du
- , Keunhwa Kim
- & Meng Chen
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Article
| Open AccessIdentification of triacylglycerol remodeling mechanism to synthesize unusual fatty acid containing oils
Triacylglycerol remodeling in Physaria fendleri changes the seed oil fatty acid composition after initial synthesis to overcome metabolic bottlenecks in the accumulation of valuable unusual fatty acids. This process enhances designer oil engineering.
- Prasad Parchuri
- , Sajina Bhandari
- & Philip D. Bates
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Article
| Open AccessRinRK1 enhances NF receptors accumulation in nanodomain-like structures at root-hair tip
RinRK1 interacts with NFR1 and NFR5 through their extracellular domains, facilitating a complex with Flot1. This interaction promotes their localization at root hair tip nanodomains, crucial for mediating the rhizobial infection.
- Ning Zhou
- , Xiaolin Li
- & Fang Xie
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Article
| Open AccessPhotobody formation spatially segregates two opposing phytochrome B signaling actions of PIF5 degradation and stabilization
Photobodies are plant nuclear bodies containing the photoreceptor phytochrome B. Here, the authors reveal that photobody formation segregates opposing phytochrome B-mediated light-signaling actions into two phase-separated subnuclear compartments
- Ruth Jean Ae Kim
- , De Fan
- & Meng Chen
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Article
| Open AccessDeep learning the cis-regulatory code for gene expression in selected model plants
This study explores the variation in gene regulation across plant species and genotypes using interpretable deep learning on DNA sequence and RNA-seq data, demonstrating the models’ utility in functional genomics and phenotypic trait prediction.
- Fritz Forbang Peleke
- , Simon Maria Zumkeller
- & Jędrzej Szymański
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Article
| Open AccessThe phosphorylation of carboxyl-terminal eIF2α by SPA kinases contributes to enhanced translation efficiency during photomorphogenesis
The non-canonical C-term-phosphorylation of eIF2α mediated by SPA protein kinases plays a significant positive role in eIF2 ternary complex formation and light-induced translation during photomorphogenesis.
- Hui-Hsien Chang
- , Lin-Chen Huang
- & Mei-Chun Cheng
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Article
| Open AccessNitrogen and Nod factor signaling determine Lotus japonicus root exudate composition and bacterial assembly
Nod factor signaling, and nitrate distinctly affect Lotus japonicus root exudate, microbiome composition and connectivity, emphasizing the role of signaling between plant and distinct members of soil microbiota in shaping the overall assemblies.
- Ke Tao
- , Ib T. Jensen
- & Simona Radutoiu
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Article
| Open AccessPhytoalexin sakuranetin attenuates endocytosis and enhances resistance to rice blast
Sakuranetin is an important phytoalexin. The authors find that sakuranetin in rice attenuates endocytosis of effectors from the fungus Magnaporthe oryzae and enhances resistance against rice blast.
- Lihui Jiang
- , Xiaoyan Zhang
- & Yunlong Du
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Comment
| Open AccessShining light on dinoflagellate photosystem I
Dinoflagellates are ecologically important and essential to corals and other cnidarians as phytosymbionts, but their photosystems had been underexplored. Recently, photosystem I (PSI) of dinoflagellate Symbiodinium sp. was structurally characterized using cryo-Electron Microscopy (cryo-EM). These analyses revealed a distinct organization of the PSI supercomplex, including two previously unidentified subunits, PsaT and PsaU, and shed light on interactions between light harvesting antenna proteins and the PSI core. These results have implications with respect to the evolution of dinoflagellates and their association with cnidarians.
- Senjie Lin
- , Shuaishuai Wu
- & Arthur R. Grossman
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Article
| Open AccessA pair of atypical NLR-encoding genes confers Asian soybean rust resistance in soybean
Asian soybean rust (ASR) is a devastating disease of soybean. Here, the author report the identification of an atypical pair of nucleotide-binding leucine-rich repeat (NLR) encoding genes and how they function together to confer broad-spectrum resistance to ASR.
- Qingnan Hao
- , Hongli Yang
- & Xinan Zhou
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Matters Arising
| Open AccessThe wheat stripe rust resistance gene YrNAM is Yr10
- Katherine Dibley
- , Matthias Jost
- & Peng Zhang
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Article
| Open AccessPhylogenomic profiles of whole-genome duplications in Poaceae and landscape of differential duplicate retention and losses among major Poaceae lineages
Grasses share a whole-genome duplication called rho, but the adaptive implications are unclear. Here, the authors conduct phylogenomic and phylotranscriptomic analyses of 363 grasses, identifying additional whole-genome duplications and finding that duplicates are implicated in environmental adaptations or morphogenesis.
- Taikui Zhang
- , Weichen Huang
- & Hong Ma
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Article
| Open AccessA fine-scale Arabidopsis chromatin landscape reveals chromatin conformation-associated transcriptional dynamics
Plants utilize transcriptional dynamics to adapt to cold stress. Here, Zhang et al. describe a network of chromatin interactions between gene promoters across the Arabidopsis genome that could facilitate co-regulation of gene expression during cold stress.
- Yueying Zhang
- , Qianli Dong
- & Huakun Zhang
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Article
| Open AccessA plant NLR receptor employs ABA central regulator PP2C-SnRK2 to activate antiviral immunity
Huang et al. show how plant Sw-5b NLR mimics the ABA receptor to activate ABA-dependent antiviral immunity via the PP2C-SnRK2 complex. They reveal that Sw-5b NLR induces ABA accumulation, upregulates ABA response genes, and triggers defense against viral infections by releasing SnRK2 from PP2C inhibition.
- Shen Huang
- , Chunli Wang
- & Xiaorong Tao
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Article
| Open AccessA hemoprotein with a zinc-mirror heme site ties heme availability to carbon metabolism in cyanobacteria
Heme is an abundant cofactor required by nearly all known organisms. Here, authors discover a cyanobacterial protein with a distinct Zn-mirror heme site, which may function to sense heme and regulate energy metabolism.
- Nicolas Grosjean
- , Estella F. Yee
- & Crysten E. Blaby-Haas
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Article
| Open AccessThylakoid protein FPB1 synergistically cooperates with PAM68 to promote CP47 biogenesis and Photosystem II assembly
The assembly of the Photosystem II proximal antenna CP47 remains a challenging question. Here the authors show that FPB1 and PAM68 act coordinately with Alb3 and the SecY/E translocon to facilitate the co-translational integration of specific regions of CP47 into thylakoids.
- Lin Zhang
- , Junxiang Ruan
- & Lianwei Peng
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Article
| Open AccessA membrane associated tandem kinase from wild emmer wheat confers broad-spectrum resistance to powdery mildew
Powdery mildew is a fungal leaf disease that reduces yield and grain quality in susceptible wheat varieties. Here, the authors report the cloning of the wild emmer wheat originated powdery mildew resistance gene Pm36 as a membrane associated tandem kinase and its possible resistance mechanism.
- Miaomiao Li
- , Huaizhi Zhang
- & Zhiyong Liu
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Article
| Open AccessSingle-cell and spatial RNA sequencing reveal the spatiotemporal trajectories of fruit senescence
Fruit senescence is a complex physiological process. Here, the authors construct a single-cell expression atlas of pitaya pericarp pitaya to provide a spatiotemporal perspective of the dynamic process of plant senescence.
- Xin Li
- , Bairu Li
- & Robert Henry
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Article
| Open AccessAllopolyploid origin and diversification of the Hawaiian endemic mints
Hawaiian endemic mints represent the second largest plant radiation in the archipelago. Here, the authors present a reference genome and numerous resequenced individuals to uncover evidence for polyploidy, geographic speciation and localized hybridization underlying diversification in this lineage
- Crystal M. Tomlin
- , Sitaram Rajaraman
- & Charlotte Lindqvist
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Article
| Open AccessA chromosomal-scale genome assembly of modern cultivated hybrid sugarcane provides insights into origination and evolution
Modern sugarcane cultivars have complicated genome due to interspecific crosses and multiple backcrossing. Here, the authors report the haplotype-resolved, chromosome-level genome assembly of a modern hybrid sugarcane cultivar and reveal the expansion of genes related to sugar accumulation and smut resistance.
- Yixue Bao
- , Qing Zhang
- & Muqing Zhang
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Article
| Open AccessRewiring of a KNOXI regulatory network mediated by UFO underlies the compound leaf development in Medicago truncatula
This study reveals a pathway in which the transformation of trifoliate leaves into pinnate-like pentafoliate leaves is regulated by the conserved regulators of floral development (MtUFO) and leaf development (MtKNOXI) in M. truncatula.
- Zhichao Lu
- , Juanjuan Zhang
- & Chuanen Zhou
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Article
| Open AccessDecoding early stress signaling waves in living plants using nanosensor multiplexing
Upon stress, plants activate a signaling cascade leading to resistance or stress adaptation. Here, Ang & Saju et al. use sensor multiplexing to elucidate the interplay between H2O2 and SA signaling as plants mount stress-specific defense responses.
- Mervin Chun-Yi Ang
- , Jolly Madathiparambil Saju
- & Rajani Sarojam
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Article
| Open AccessTwo orthogonal differentiation gradients locally coordinate fruit morphogenesis
The coordination of cellular behaviors is essential for proper organogenesis. Here the authors show that fruit development in Arabidopsis is governed by time-shifted differentiation gradients that act locally along two perpendicular organ axes.
- Andrea Gómez-Felipe
- , Elvis Branchini
- & Daniel Kierzkowski
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Article
| Open AccessA distal enhancer guides the negative selection of toxic glycoalkaloids during tomato domestication
This study identified a distal enhancer GE1, which acts as the key regulator controlling steroidal glycoalkaloids metabolism by modulating the GAME gene cluster and guides negative selection of steroidal glycoalkaloids production during tomato domestication.
- Feng Bai
- , Peng Shu
- & Mingchun Liu
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Article
| Open AccessThe thylakoid proton antiporter KEA3 regulates photosynthesis in response to the chloroplast energy status
Thylakoid K+/H+ exchange by KEA3 optimizes photosynthesis during light fluctuations. Here, the authors show that a combination of stromal pH, ATP, ADP and NADP+, NADPH induces structural re-arrangements required for KEA3 regulation in vivo.
- Michał Uflewski
- , Tobias Rindfleisch
- & Ute Armbruster
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Article
| Open AccessAutophagy-mediated degradation of integumentary tapetum is critical for embryo pattern formation
A seed consists of an embryo, endosperm, and seed coat. Here the authors show that autophagy plays a crucial role in regulating timely programmed cell death in the innermost seed coat, thereby influencing embryo pattern formation and seed viability.
- Lin-lin Zhao
- , Ru Chen
- & Peng Zhao
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Review Article
| Open AccessDevelopmental timing in plants
Plants exhibit reproducible timing of developmental events at multiple scales, from switches in cell identity to maturation of the whole plant. Using simplified models to convey key concepts, we review how timing mechanisms interact with the environment to control cyclical and progressive developmental transitions.
- Enrico Coen
- & Przemyslaw Prusinkiewicz
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Article
| Open AccessBee-pollination promotes rapid divergent evolution in plants growing in different soils
In nature, soil, pollinators, and herbivores are the main drivers of plant adaptation and diversification. This study reveals that the interaction between soil and biotic pollination causes divergent evolution where pollinators play a key role, leading to strong divergence among plants in different soils.
- Thomas Dorey
- & Florian P. Schiestl
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Article
| Open AccessDefects in the cell wall and its deposition caused by loss-of-function of three RLKs alter root hydrotropism in Arabidopsis thaliana
Plants have evolved strategies to protect root tips from the damage of stresses. Chang et al., show that root tips are covered with wax, which can efficiently protect root tips from osmotic stress and alter root hydrotropism in Arabidopsis.
- Jinke Chang
- , Xiaopeng Li
- & Jia Li
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Article
| Open AccessAn ARF gene mutation creates flint kernel architecture in dent maize
The mutation of ARFTF17 results in the development of flint kernel architecture in dent maize by reducing excessive pericarp length. This discovery holds significant potential for enhancing grain quality in elite, high-yielding dent maize hybrids.
- Haihai Wang
- , Yongcai Huang
- & Yongrui Wu
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Article
| Open AccessA fungal core effector exploits the OsPUX8B.2–OsCDC48-6 module to suppress plant immunity
Plant ubiquitin regulatory domain-containing proteins (PUX) play vital roles in CDC48-mediated protein quality control processes. Here Shi et al. show that a conserved core Magnaporthe oryzae effector (MoNLE1) can specially target the rice PUX protein OsPUX8B.2 and interfere with host immune responses.
- Xuetao Shi
- , Xin Xie
- & Wende Liu
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Article
| Open AccessA double-stranded RNA binding protein enhances drought resistance via protein phase separation in rice
Drought is one of the major abiotic stresses affecting rice growth and development. Here, the authors identify a dsRNA-binding protein positively regulates rice drought resistance through promoting stability of OsNCED4 mRNAs, transcript of a key gene for the biosynthesis of abscisic acid, via protein phase separation.
- Huaijun Wang
- , Tiantian Ye
- & Lizhong Xiong
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Article
| Open AccessSwitching action modes of miR408-5p mediates auxin signaling in rice
miR408-5p typically regulates target IAA30 via translation repression, but switches to cleaving IAA30 mRNA under high auxin conditions. miR393, miR156, miR408-5p and their targets could hierarchically act in auxin pathway and regulate leaf inclination.
- Fuxi Rong
- , Yusong Lv
- & Liang Wu
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Article
| Open AccessDynamics of accessible chromatin regions and subgenome dominance in octoploid strawberry
Subgenome dominance is widely observed in allopolyploid species, but the molecular mechanisms remain unclear. Here, the authors generate genome-wide map of accessible chromatin regions (ACRs) in allo-octoploid cultivated strawberry and reveal that dynamics of the ACRs play an important role in its subgenome dominance.
- Chao Fang
- , Ning Jiang
- & Jiming Jiang
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Article
| Open AccessWheat powdery mildew resistance gene Pm13 encodes a mixed lineage kinase domain-like protein
Wheat powdery mildew is one of the most destructive diseases threatening global wheat production. Here, the authors report the cloning of powdery mildew resistance gene Pm13 from the wild wheat species Aegilops longissima encoding a mixed lineage kinase domain-like (MLKL) protein.
- Huanhuan Li
- , Wenqiang Men
- & Wenxuan Liu
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Article
| Open AccessIn-section Click-iT detection and super-resolution CLEM analysis of nucleolar ultrastructure and replication in plants
Application of correlative light and electron microscopy (CLEM) in plants remains challenging. Here, the authors use Click-iT chemistry as a tool for CLEM, due to its unique properties in resin permeability and super-resolution microscopy. They use this approach to study cellular physiology in Arabidopsis.
- Michal Franek
- , Lenka Koptašíková
- & Jíří Fajkus
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Article
| Open AccessGenetic gains underpinning a little-known strawberry Green Revolution
Cultivated strawberry is a hybrid species with a 250-year domestication history. Here, the authors use genomic prediction and a historically important breeding population to show that the introduction of photoperiod-insensitive hybrids and genetic gains from breeding have been catalysts for a strawberry Green Revolution.
- Mitchell J. Feldmann
- , Dominique D. A. Pincot
- & Steven J. Knapp
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Article
| Open AccessDynamics of extrachromosomal circular DNA in rice
Comparing to other biological systems, our understanding of plant extrachromosomal circular DNA (eccDNA) is limited. Here, the authors profile eccDNA from six rice tissues and investigate eccDNA characteristics, formation mechanisms, distribution, and functional implications.
- Jundong Zhuang
- , Yaoxin Zhang
- & Tingting Lu
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Article
| Open AccessArchitecture of symbiotic dinoflagellate photosystem I–light-harvesting supercomplex in Symbiodinium
Here the authors determine the cryoEM structure of Symbiodinium photosystem I, revealing a distinct architecture and pigment network of this light-harvesting supercomplex.
- Long-Sheng Zhao
- , Ning Wang
- & Yu-Zhong Zhang
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Article
| Open AccessThe spliceosome-associated protein CWC15 promotes miRNA biogenesis in Arabidopsis
CWC15 is a spliceosome-associated protein in Arabidopsis. Here the authors reports a multifaceted role of CWC15 in promoting microRNA (miRNA) biogenesis by binding to miRNA promoters and interacting with microprocessor components.
- Bangjun Zhou
- , Huihui Yu
- & Bin Yu
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Article
| Open AccessFungal community composition predicts forest carbon storage at a continental scale
Soil microbial diversity and composition is thought to play a major role in elemental cycling. Here, the authors analyse a large dataset of soil microbiome and carbon data from European forests and find that soil fungal community composition is a strong predictor of carbon storage.
- Mark A. Anthony
- , Leho Tedersoo
- & Colin Averill
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Article
| Open AccessSpatiotemporal formation of glands in plants is modulated by MYB-like transcription factors
The spatiotemporal formation of glands in tomato trichomes is regulated by two MYB-like transcription factors, named as GCR1 and 2, whose expression is tightly restricted by SlTOE1B. GCR1 and 2 inhibit gland formation by repressing LFS expression.
- Jiang Chang
- , Shurong Wu
- & Shuang Wu
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