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| 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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Article
| Open AccessBiosynthesis of the highly oxygenated tetracyclic core skeleton of Taxol
Despite intensive investigation, stepwise reactions from diol to Taxol tetracyclic core skeleton remain unclear. Here, authors fill this gap by identifying two P450s and confirming the reaction order.
- Chengshuai Yang
- , Yan Wang
- & Zhihua Zhou
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Article
| Open AccessNatural variation in OsMYB8 confers diurnal floret opening time divergence between indica and japonica subspecies
Florets of indica rice open earlier than japonica rice, hindering utilization of the cross subspecies heterosis. Here, the authors show that an OsMYB8-OsJAR1 module regulates diurnal floret opening time divergences between the two subspecies.
- Yajun Gou
- , Yueqin Heng
- & Rongxin Shen
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Article
| Open AccessA transposon insertion in the promoter of OsUBC12 enhances cold tolerance during japonica rice germination
Japonica rice generally has greater capacity for low temperatures germination (LTG) than indica rice. Here, the authors report an E2 ubiquitin-conjugating enzyme-encoding gene OsUBC12 can increase LTG in japonica rice by negatively regulate ABA signaling via promoting the proteasomal degradation of OsSnRK1.1.
- Chuanzhong Zhang
- , Hongru Wang
- & Jun Fang
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Article
| Open AccessCopine proteins are required for brassinosteroid signaling in maize and Arabidopsis
Brassinosteroids play vital role in plant growth and development. Here, the authors demonstrate that the plasma membrane-associated copine proteins are new components required for the receptor complex functioning in BR signaling in maize and Arabidopsis.
- Teng Jing
- , Yuying Wu
- & Mingyue Gou
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Article
| Open AccessNatural variation of STKc_GSK3 kinase TaSG-D1 contributes to heat stress tolerance in Indian dwarf wheat
Indian dwarf wheat (Triticum sphaerococcum) is thermotolerant, but the underlying mechanism is unclear. Here, the authors report the cloning of the heat tolerance gene encoding a STKc_GSK3 kinase and its variation affects phosphorylation level of downstream TaPIF4 in determining thermotolerance.
- Jie Cao
- , Zhen Qin
- & Mingming Xin
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Article
| Open AccessA root cap-localized NAC transcription factor controls root halotropic response to salt stress in Arabidopsis
This study reports that the SOMBRERO, a root cap-localized transcription factor, determines root halotropic response to salt stress via spatiotemporally modulating AUX1-depdenent auxin redistribution in the root tip.
- Lulu Zheng
- , Yongfeng Hu
- & Yi Han
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Article
| Open AccessNatural variation in BnaA9.NF-YA7 contributes to drought tolerance in Brassica napus L
Rapeseed production is often threatened by drought stress. Here, the authors report transcription factor BnaA9.NFYA7 negatively regulates rapeseed drought tolerance through ABA signal transduction pathway via feedback inhibition of the expression of BnaABF3/4s-related genes.
- Jia Wang
- , Lin Mao
- & Liezhao Liu
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Article
| Open AccessPsAF5 functions as an essential adapter for PsPHB2-mediated mitophagy under ROS stress in Phytophthora sojae
ROS is an important defense means against pathogens for host. Here the authors show that PsAF5 functions as a mitophagy adapter and regulates mitochondrial homeostasis in Phytophthora sojae under ROS stress, which is crucial for its infection.
- Wenhao Li
- , Hongwei Zhu
- & Xili Liu
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Article
| Open AccessQuantitative pathogenicity and host adaptation in a fungal plant pathogen revealed by whole-genome sequencing
The understanding of pathogenicity in quantitative plant pathosystems remains limited. This study reveals the genetic architecture of quantitative pathogenicity traits in a significant fungal plant pathogen, shedding light on potential evolutionary mechanisms involved in host adaptation.
- Reda Amezrou
- , Aurélie Ducasse
- & Thierry C. Marcel
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Article
| Open AccessA genomic toolkit for winged bean Psophocarpus tetragonolobus
Winged bean is a tropical legume that can produce similar level of seed protein to soybean. Here, the authors report the genome assembly, population genetics, QTL mapping of the plant architecture, protein content and phytonutrients for this species.
- Wai Kuan Ho
- , Alberto Stefano Tanzi
- & Sean Mayes
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Article
| Open AccessNonpathogenic Pseudomonas syringae derivatives and its metabolites trigger the plant “cry for help” response to assemble disease suppressing and growth promoting rhizomicrobiome
Upon pathogen attack, plants can trigger the “cry for help” response and assemble beneficial rhizobacteria. Here, the authors use nonpathogenic Pseudomonas syringae DC3000 derivatives to elicit a similar “cry for help” response as the wild-type pathogenic DC3000 in Arabidopsis.
- Yunpeng Liu
- , Huihui Zhang
- & Ruifu Zhang
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Article
| Open AccessAttenuation of phytofungal pathogenicity of Ascomycota by autophagy modulators
Woo et al. report new autophagy inhibitors identified through a high-throughput chemical screening using a BRET-based assay and an ATG8 synthetic sensor, that function as safe and effective fungicides against broad fungal pathogens.
- Jongchan Woo
- , Seungmee Jung
- & Savithramma P. Dinesh-Kumar
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Article
| Open AccessSynthetic microbe-to-plant communication channels
The soil microbiome communicates with plant roots using a chemical language. Here, using p-coumaroyl-homoserine lactone as the synthetic communication signal, the authors demonstrate programmable microbe-to-plant communication from the sender in the soil bacteria to a receiver in the plant.
- Alice Boo
- , Tyler Toth
- & Christopher A. Voigt
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Article
| Open AccessGeographic range of plants drives long-term climate change
The geographic spread of plants exerted an important control over ancient climate change by modifying continental weathering and carbon burial rates. This effect is investigated using a new coupled vegetation-climate-biogeochemical model.
- Khushboo Gurung
- , Katie J. Field
- & Benjamin J. W. Mills
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Article
| Open AccessCore clock genes adjust growth cessation time to day-night switches in poplar
Alique et al. show that poplar trees adjust their seasonal growth timing by finely tuning the daily expression level of the photoperiodic integrator FT2 through a mechanism governed by the circadian clock’s core genes.
- Daniel Alique
- , Arturo Redondo López
- & Mariano Perales
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Article
| Open AccessInterplay between coding and non-coding regulation drives the Arabidopsis seed-to-seedling transition
Seed germination in plants is a tightly controlled process relying on translation of stored RNAs. Here, Tremblay et al. show that nascent transcriptome and epigenome reprogramming are detected from initial stages of germination.
- Benjamin J. M. Tremblay
- , Cristina P. Santini
- & Julia I. Qüesta
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Article
| Open AccessGenomic evidence for rediploidization and adaptive evolution following the whole-genome triplication
Polyploidization-rediploidization process plays an important role in plant adaptive evolution. Here, the authors assemble the genomes of mangrove species Sonneratia alba and its inland relative Lagerstroemia speciosa, and reveal genomic evidence for rediploidization and adaptive evolution after the whole-genome triplication.
- Xiao Feng
- , Qipian Chen
- & Ziwen He
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Article
| Open AccessPorous borders at the wild-crop interface promote weed adaptation in Southeast Asia
Genome-wide evidence to support that wild rice can contribute to weedy rice evolution by hybridization and adaptive introgression is very limited. Here, the authors sequence the weedy rice genomes and show reproductively compatible wild rice can contribute to weedy rice evolution.
- Lin-Feng Li
- , Tonapha Pusadee
- & Kenneth M. Olsen
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Article
| Open AccessPhosphorylation of plasma membrane H+-ATPase Thr881 participates in light-induced stomatal opening
Comprehensive phosphoproteomic analysis using guard cell protoplasts revealed that Thr881 phosphorylation in addition of a penultimate residue, Thr948 of plasma membrane H+-ATPase are important for its function and light-induced stomatal opening.
- Yuki Hayashi
- , Kohei Fukatsu
- & Toshinori Kinoshita
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Article
| Open AccessLight-induced stomatal opening requires phosphorylation of the C-terminal autoinhibitory domain of plasma membrane H+-ATPase
Light-induced stomatal opening is crucial for photosynthesis. Here the authors show that blue light triggers phosphorylation of two Thr residues in the C-terminal autoinhibitory domain of plasma membrane H+-ATPase, thereby promoting stomatal opening.
- Saashia Fuji
- , Shota Yamauchi
- & Atsushi Takemiya
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Article
| Open AccessCepharanthine analogs mining and genomes of Stephania accelerate anti-coronavirus drug discovery
Cepharanthine is a secondary metabolite isolated from Stephania with a variety of medicinal properties. Here, the authors assembled three Stephania genomes, propose cepharanthine biosynthetic pathway, and assess the antiviral potential of cepharanthine-related metabolites.
- Liang Leng
- , Zhichao Xu
- & Shilin Chen
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Article
| Open AccessGenetic control of thermomorphogenesis in tomato inflorescences
Mechanisms underlying changes in inflorescence development in response to high ambient temperature remain unclear. Here, the authors report the cloning of the MIB2, encoding a homology of SPATULA, and its activation of CONSTANS-Like1 for determining tomato inflorescence branching at high ambient temperature.
- Shuai Sun
- , Zhiqiang Liu
- & Xia Cui
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Review Article
| Open AccessChoreographing root architecture and rhizosphere interactions through synthetic biology
Engineering the form and function of root systems and their associated microbiota could provide a means to mitigate adverse climate-driven effects. Here, the authors review the recent developments in plant and rhizobacterial synthetic biology and highlight engineering targets for applications in root systems and rhizosphere.
- Carin J. Ragland
- , Kevin Y. Shih
- & José R. Dinneny
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Article
| Open AccessEpiallelic variation of non-coding RNA genes and their phenotypic consequences
This study uncovers abundant DNA methylation variations of non-coding RNA genes in the natural Arabidopsis population and shows the importance of epigenetic variations in plant phenotypic plasticity and diversity.
- Jie Liu
- & Xuehua Zhong
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Article
| Open AccessChromatin attachment to the nuclear matrix represses hypocotyl elongation in Arabidopsis thaliana
The role of the nuclear matrix in plant nuclei is unclear. Here the authors reveal that nuclear matrix-associated proteins act as a regulatory hub, recruiting both DNA and transcriptional repressors to the nuclear matrix
- Linhao Xu
- , Shiwei Zheng
- & Hua Jiang
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Article
| Open AccessPhosphorylation of Arabidopsis UVR8 photoreceptor modulates protein interactions and responses to UV-B radiation
This paper reports that the Arabidopsis UV-B photoreceptor UVR8 is phosphorylated in vivo and that phosphorylation of Serine 402 modifies UVR8 activity and promotes flavonoid biosynthesis, a key response to UV-B exposure.
- Wei Liu
- , Giovanni Giuriani
- & Gareth I. Jenkins
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Article
| Open AccessA mediator of OsbZIP46 deactivation and degradation negatively regulates seed dormancy in rice
Seed dormancy is the preferred trait in rice production as it can prevent preharvest sprouting. Here, the authors report that MODD (mediator of OsbZIP46 deactivation and degradation) negatively regulates seed dormancy by inhibiting the transcriptional activity of ABSCISIC ACID INSENSITIVES (ABIs).
- Naihui Guo
- , Shengjia Tang
- & Peisong Hu
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Article
| Open AccessPetal abscission is promoted by jasmonic acid-induced autophagy at Arabidopsis petal bases
In angiosperms, petal abscission is crucial for reproductive success and seed dispersion. However, the regulation of this abscission remains unclear. Here, the authors identify a process of petal abscission regulated by jasmonic acid via autophagy at the base of Arabidopsis petals.
- Yuki Furuta
- , Haruka Yamamoto
- & Nobutoshi Yamaguchi
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Article
| Open AccessThe synthetic NLR RGA5HMA5 requires multiple interfaces within and outside the integrated domain for effector recognition
An engineered sensor NLR RGA5HMA5 carrying multiple resurfaced interfaces was generated to confer complete resistance to the rice blast fungus strains expressing the non-corresponding effector AVR-PikD, paving a way to broaden the resistance spectra of NLRs.
- Xin Zhang
- , Yang Liu
- & You-Liang Peng
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Article
| Open AccessPlastid ancestors lacked a complete Entner-Doudoroff pathway, limiting plants to glycolysis and the pentose phosphate pathway
The Enter-Doudoroff (ED) pathway is an alternative to glycolysis present in some prokaryotes. Evans et al. show that its dehydratase enzyme, evolved from a branched chain amino acid pathway paralog, acquired a new function through mutations in its active site.
- Sonia E. Evans
- , Anya E. Franks
- & Michael A. Phillips
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Article
| Open AccessRepeated upslope biome shifts in Saxifraga during late-Cenozoic climate cooling
The origins of alpine plant diversity are unclear. Here, the authors provide a time-calibrated molecular phylogenetic tree for Saxifraga, a diverse alpine plant clade, and show that upslope biome shifts into the alpine zone occurred more often than dispersal between alpine regions.
- Tom Carruthers
- , Michelangelo S. Moerland
- & Wolf L. Eiserhardt
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Article
| Open AccessEffects of climate and environmental heterogeneity on the phylogenetic structure of regional angiosperm floras worldwide
Using a dataset that included 341,846 species in 391 angiosperm floras worldwide, this study finds that the global phylogenetic structure of angiosperms shows clear and meaningful relationships with environmental factors and that current climatic variables have the highest predictive power for phylogenetic metrics reflecting recent evolutionary relationships.
- Hong Qian
- , Shenhua Qian
- & Michael Kessler
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Article
| Open AccessC2-methyladenosine in tRNA promotes protein translation by facilitating the decoding of tandem m2A-tRNA-dependent codons
Duan et al. demonstrate that the m2A modification is ubiquitous in plants and tRNA m2A37 promotes a relaxed conformation of tRNA, enhancing translation efficiency by facilitating decoding of tandem m2A-tRNA-dependent codons.
- Hong-Chao Duan
- , Chi Zhang
- & Guifang Jia
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Article
| Open AccessDysfunction of duplicated pair rice histone acetyltransferases causes segregation distortion and an interspecific reproductive barrier
Loss of function alleles of two genetically interacting loci mediate both segregation distortion and interspecific hybrid incompatible via epigenetic regulation in rice.
- Ben Liao
- , You-Huang Xiang
- & Hong-Xuan Lin
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Article
| Open AccessA sequence-aware merger of genomic structural variations at population scale
Existing tools for structural variations (SVs) calling and merging often lead to fragmented SVs and the potential of introducing unnecessary errors. Here, the authors report the PanPop pipeline to address these issues by implementing sequence-aware SV merging algorithm to efficiently merge SVs of various types.
- Zeyu Zheng
- , Mingjia Zhu
- & Yongzhi Yang
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Article
| Open AccessEvolutionary trajectory of pattern recognition receptors in plants
Plant cell-surface receptors perceive both self- and nonself-molecules to regulate biological processes. Here the authors show that a subclass of phytohormone and immune receptors share a common origin, which have diverged to perceive distinct ligands and activate differential downstream responses.
- Bruno Pok Man Ngou
- , Michele Wyler
- & Ken Shirasu
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Article
| Open AccessBCL7A and BCL7B potentiate SWI/SNF-complex-mediated chromatin accessibility to regulate gene expression and vegetative phase transition in plants
This study uncovers the specialized function of previously elusive BCL7 subunits of SWI/SNF complexes in eukaryotes and reveals the mechanism whereby plants memorize the juvenile identity through SWI/SNF-mediated control of chromatin accessibility.
- Yawen Lei
- , Yaoguang Yu
- & Chenlong Li
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Article
| Open AccessIMA peptides regulate root nodulation and nitrogen homeostasis by providing iron according to internal nitrogen status
The authors show IRON MAN peptides have an essential role in symbiotic nitrogen fixation during legume-rhizobium symbiosis. The peptides additionally function to regulate nitrogen homeostasis by controlling nitrogen-iron balance.
- Momoyo Ito
- , Yuri Tajima
- & Takuya Suzaki
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Article
| Open AccessThe nature of carotenoid S* state and its role in the nonphotochemical quenching of plants
Plant Light Harvesting complexes adjust to light conditions via a quenching mechanism involving carotenoids. The authors use computational simulations to reveal how carotenoids’ quenching capacity is tuned by conformational changes of the complex.
- Davide Accomasso
- , Giacomo Londi
- & Benedetta Mennucci
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Article
| Open AccessMicrobiome convergence enables siderophore-secreting-rhizobacteria to improve iron nutrition and yield of peanut intercropped with maize
Intercropping has the potential to improve plant nutrition and crop yield. Here, the authors intercrop peanut and maize and show that Pseudomonas secreted siderophore pyoverdine play an important role in plant iron nutrition.
- Nanqi Wang
- , Tianqi Wang
- & Yuanmei Zuo
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Article
| Open AccessPhytophagy impacts the quality and quantity of plant carbon resources acquired by mutualistic arbuscular mycorrhizal fungi
Plant antagonists may disrupt the allocation of carbon resources from plants to mutualistic microorganisms. Here, the authors report how plants attacked by cyst nematodes and aphids maintain carbon transfer to arbuscular mycorrhizal fungi through fatty acid transfer whilst the limiting the loss of sugars.
- C. A. Bell
- , E. Magkourilou
- & K. J. Field
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Article
| Open AccessThe mechanism of low blue light-induced leaf senescence mediated by GmCRY1s in soybean
This study provides insights into how shade induces leaf senescence in soybean. The reduction of blue light intensity deactivates GmCRY1s, leading to the degradation of GmRGAs and the upregulation of WRKY100, ultimately promoting leaf senescence.
- Zhuang Li
- , Xiangguang Lyu
- & Bin Liu
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Article
| Open AccessPredatory protists reduce bacteria wilt disease incidence in tomato plants
Soil organisms are affected by the presence of predatory protists. Here, the authors predatory protists are negatively associated with bacteria wilt disease incidence in tomato plants and that fertilisation enhances the abundance of predatory protists
- Sai Guo
- , Zixuan Jiao
- & Stefan Geisen
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Article
| Open AccessA chromosome-scale assembly reveals chromosomal aberrations and exchanges generating genetic diversity in Coffea arabica germplasm
Coffea arabica is an allotetraploid hybrid of C. eugenioides and C. canephora and contributes to approximately 60% of world coffee production. Here, the authors report its chromosome-level genome assembly and identify that chromosomal abnormalities and introgression from C. canephora may contribute to diversity and pathogen resistance.
- Simone Scalabrin
- , Gabriele Magris
- & Michele Morgante
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