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On the diversity of fungi from soda soils

Fungal Diversity 2016年第1期76卷 27-74页

作者： Alexey A.Grum-Grzhimaylo marina l.georgieva Sofiya A.Bondarenko Alfons J.M.Debets Elena N.Bilanenko laboratory of Genetics Plant Sciences GroupWageningen UniversityDroevendaalsesteeg 16708 PB WageningenThe Netherlands Gause Institute of New Antibiotics Federal State Budgetary Scientific InstitutionBol’shaya Pirogovskaya 11119021 MoscowRussia Faculty of Biology Lomonosov Moscow State UniversityLeninskie Gory 1-12119234 MoscowRussia

The diversity of filamentous fungi that can grow at high ambient pH values(i.e.,8–11)remains largely *** we study 100 alkalitolerant and alkaliphilic isolates from the soils around the basin of soda lakes in Asia and Africa to assess the major evolutionary lineages and morphologies pertinent to the alkaliphilic trait in filamentous *** Emericellopsis lineage(Hypocreales,Hypocreomycetidae),along with Plectosphaerellaceae(Hypocreomycetidae),Pleosporaceae(Dothideomycetes),Chaetomiaceae(Sordariomycetidae)families appeared to be overrepresented with strong alkalitolerants and effective *** particular,Sodiomyces species(Plectosphaerellaceae),Acrostalagmus luteoalbus(Plectosphaerellaceae),Emericellopsis alkalina(Hypocreales),Thielavia sp.(Chaetomiaceae),and Alternaria ***(Pleosporaceae)grew best at high ambient *** pH tolerance of Chordomyces antarcticum,Acrostalagmus luteoalbus and some other species was largely affected by the presence of extra Na+in the growth *** alkalitolerants included Scopulariopsis members(Microascales),Fusarium,Cladosporium,and many asexual acremonium-like species from *** alkalitolerants were represented by sporadic isolates of Penicillium,Purpureocillium lilacinum,and Alternaria alternata species,with the growth optimum at neutral or acidic *** alkalitolerants develop loose dry chains of spores easily dispersed by *** presence at low frequency with the growth optimum at neutral or acidic pH leads us to treat them as transient species in the alkaline soils,as those are also ubiquitous saprobes in normal *** phylogenetic analyses show that the alkaliphilic trait in filamentous fungi has evolved several *** lineages harboring strong alkalitolerants derived from the known marine-borne fungi(Emericellopsis,Alternaria ***),or fall within the fungi associated with halophytic grasses(Pleosporaceae).Soda soils contain a diversity of fungi that ra

关键词： Alkaliphilic fungi pH Soda soils Extremophile Sodiomyces Acrostalagmus Chordomyces Verticillium Emericellopsis Acremonium Scopulariopsis Alternaria Thielavia Plectosphaerellaceae Pleosporaceae

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Controversies regarding transplantation of mesenchymal stem cells

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World Journal of Transplantation 2024年第2期14卷 48-61页

作者： Tsvetelina Velikova Tereza Dekova Dimitrina georgieva Miteva Department of Medical Faculty Sofia University St.Kliment OhridskiSofia 1407Bulgaria Department of Genetics Faculty of BiologySofia University St.Kliment OhridskiSofia 1164Bulgaria

Mesenchymal stem cells(MSCs)have tantalized regenerative medicine with their therapeutic potential,yet a cloud of controversies looms over their clinical *** comprehensive review navigates the intricate landscape of MSC controversies,drawing upon 15 years of clinical experience and *** delve into the fundamental properties of MSCs,exploring their unique immuno-modulatory capabilities and surface *** heart of our inquiry lies in the controversial applications of MSC transplantation,including the perennial debate between autologous and allogeneic sources,concerns about efficacy,and lingering safety ***,we unravel the enigmatic mechanisms surro-unding MSC transplantation,such as homing,integration,and the delicate balance between differentiation and paracrine *** also assess the current status of clinical trials and the ever-evolving regulatory *** we peer into the future,we examine emerging trends,envisioning personalized medicine and innovative delivery *** review provides a balanced and informed perspective on the controversies,offering readers a clear understanding of the complexities,challenges,and potential solutions in MSC transplantation.

关键词： Mesenchymal stem cells Transplantation controversies Regenerative medicine Autoimmune diseases Chronic inflammatory illnesses Tumor growth Metastasis Therapeutic potential Clinical use of mesenchymal stem cell

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Genetic screening of liver cancer:State of the art

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World Journal of Hepatology 2024年第5期16卷 716-730页

作者： Milena Peruhova Sonya Banova-Chakarova Dimitrina georgieva Miteva Tsvetelina Velikova Department of Gastroenterology University Hospital"Heart and Brain"Burgas 8000Bulgaria Department of Genetics Faculty of BiologySofia University"St.Kliment OhridskiSofia 1164Bulgaria Medical Faculty Sofia University St.Kliment OhridskiSofia 1407Bulgaria

liver cancer,primarily hepatocellular carcinoma,remains a global health challenge with rising incidence and limited therapeutic *** factors play a pivotal role in the development and progression of liver *** state-of-the-art paper provides a comprehensive review of the current landscape of genetic screening strategies for liver *** discuss the genetic underpinnings of liver cancer,emphasizing the critical role of risk-associated genetic variants,somatic mutations,and epigenetic *** also explore the intricate interplay between environmental factors and genetics,highlighting how genetic screening can aid in risk stratification and early detection via using liquid biopsy,and advancements in high-throughput sequencing *** synthesizing the latest research findings,we aim to provide a comprehensive overview of the state-of-the-art genetic screening methods for liver cancer,shedding light on their potential to revolutionize early detection,risk assessment,and targeted therapies in the fight against this devastating disease.

关键词： Hepatocellular carcinoma liver cancer Genetic screening Risk-associated genetic variants Epigenetic alterations Genetic biomarkers Circulating tumor DNA Next-generation sequencing

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Immune signature of small bowel adenocarcinoma and the role of tumor microenvironment

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World Journal of Gastroenterology 2024年第8期30卷 794-798页

作者： Grigorios Christodoulidis marina Nektaria Kouliou Konstantinos Eleftherios Koumarelas Department of General Surgery University Hospital of LarissaLarissa 41110Greece

In this editorial we comment on the article published“Clinical significance of programmed cell death-ligand expression in small bowel adenocarcinoma is determined by the tumor microenvironment”.Small bowel adenocarcinoma(SBA)is a rare gastrointestinal neoplasm and despite the small intestine's significant surface area,SBA accounts for less than 3%of such *** detection is challenging and the reason arises from its asymptomatic nature,often leading to late-stage discovery and poor *** involves platinum-based chemotherapy with a 5-fluorouracil combination,but the lack of effective chemotherapy contributes to a generally poor *** are linked to genetic disorders and risk factors,including chronic inflammatory *** unique characteristics of the small bowel,such as rapid cell renewal and an active immune system,contributes to the rarity of these tumors as well as the high intratumoral infiltration of immune cells is associated with a favorable *** cell death-ligand 1(PD-l1)expression varies across different cancers,with potential discrepancies in its prognostic *** instability(MSI)in SBA is associated with a high tumor mutational burden,affecting the prognosis and response to *** presence of PD-l1 and programmed cell death 1,along with tumor-infiltrating lymphocytes,plays a crucial role in the complex microenvironment of SBA and contributes to a more favorable prognosis,especially in the context of high MSI *** tumor-infiltrating lymphocytes are identified as independent prognostic indicators and the association between MSI status and a favorable prognosis,emphasizes the importance of evaluating the immune status of tumors for treatment decisions.

关键词： Programmed cell death 1 Programmed cell death-ligand 1 Programmed death ligand Small bowel adenocarcinoma Tumor infiltrating lymphocytes Tumor microenvironment Microsatellite instability

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Autoantibodies related to ataxia and other central nervous system manifestations of gluten enteropathy

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World Journal of Clinical Cases 2024年第12期12卷 2031-2039页

作者： Tsvetelina Velikova Georgi Vasilev Russka Shumnalieva lyubomir Chervenkov Dimitrina georgieva Miteva Milena Gulinac Stamatios Priftis Snezhina lazova Medical Faculty Sofia University"St.Kliment Ohridski"Sofia 1407Bulgaria Clinic of Neurology and Department of Emergency Medicine UMHAT"Sv.Georgi"Plovdiv 4000Bulgaria Department of Rheumatology Clinic of RheumatologyUniversity Hospital"St.Ivan Rilski"Medical University-SofiaSofia 1612Bulgaria Department of Diagnostic Imaging Medical University PlovdivPlovdiv 4000Bulgaria Department of Genetics Faculty of BiologySofia University"St.Kliment Ohridski"Sofia 1164Bulgaria Department of General and Clinical Pathology Medical University of PlovdivPlovdiv 4002Bulgaria Department of Healthcare Faculty of Public Health“Prof.Tsekomir VodenicharovMDDSc”Medical University of SofiaSofia 1407Bulgaria Department of Pediatric University Hospital"N.I.Pirogov"Sofia 1606Bulgaria

Gluten ataxia and other central nervous system disorders could be linked to gluten enteropathy and related *** this narrative review,we focus on the various neuro-logical manifestations in patients with gluten sensitivity/celiac disease,immunological and autoimmune mechanisms of ataxia in connection to gluten sensitivity and the autoantibodies that could be used as a biomarker for diagnosing and *** focused on the anti-gliadin antibodies,antibodies to different isoforms of tissue transglutaminase(TG)(anti-TG2,3,and 6 antibodies),anti-glycine receptor antibodies,anti-glutamine acid decarboxylase antibodies,anti-deamidated gliadin peptides antibodies,*** studies found a higher prevalence of these antibodies in patients with gluten sensitivity and neurological dysfunction,presented as different neurological *** also discuss the role of a gluten-free diet on the clinical improvement of patients and also on imaging of these disorders.

关键词： Gluten ataxia Celiac disease Gluten enteropathy Autoantibodies Anti-gliadin antibodies Anti-bodies to tissue transglutaminase Anti-tissue transglutaminase antibodies Anti-transglutaminase 6 antibodies Anti-glycine receptor antibodies Anti-glutamine acid decarboxylase antibodies

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*** model of riboflavin transporter deficiency(RTD)disorder reveals deficits in synaptic transmission and movement

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Genes & Diseases 2024年第4期11卷 120-123页

作者： Ramesh K.Narayanan Gonzalo Perez-siles Kamila A.Marzec Alexandra Boyling Brent Neumann Manoj P.Menezes marina l.Kennerson Northcott Neuroscience laboratory ANZAC Research Institute-Sydney Local Health DistrictSydneyNSW 2139Australia Sydney Medical School University of SydneySydneyNSw 2050Australia ANZAC Research Institute-Sydney local Health District SydneyNSW 2139Australia Neuroscience Program Monash Biomedicine Discovery Institute and Department of Anatomy and Developmental BiologyMonash UniversityMelbourneVictoria 3800Australia TY Nelson Department of Neurology and Neurosurgery and Kids Neuroscience Children's Hospital at WestmeadWestmeadSydneyNSW2145Australia Paediatrics and Child Health The University of SydneySydneySydneyNSW 2145Australia Molecular Medicine laboratory Concord General Repatriation HospitalSydneyNSW 2139Australia

Riboflavin transporter deficiency(RTD),previously known as Brown-Vialetto-Van laere syndrome,is a childhoodonset neurodegenerative disorder characterized by sensory and motor neuron degeneration causing ataxia,muscle weakness,optic atrophy,and respiratory *** in SlC52A2 and SlC52A3,solute carrier family members that encode riboflavin(RF)transporters RFVT2 and RFVT3,are known to cause RTD types 2 and 3,respectively.

关键词： RTD degeneration TD

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Plant cell wall-mediated disease resistance:Current understanding and future perspectives

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Molecular Plant 2024年第5期17卷 699-724页

作者： Antonio Molina lucıa Jorda Miguel Angel Torres marina Martın-Dacal Diego Jose Berlanga Patricia Fernandez-Calvo Elena Gomez-Rubio Sonsoles Martın-Santamarıa Centro de Biotecnología y Genómica de Plantas Universidad Politécnica de Madrid(UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria(INIA/CSIC)Campus de Montegancedo UPMPozuelo de Alarcon(Madrid)Spain Departamento de Biotecnologıa-Biología Vegetal Escuela Técnica Superior de Ingenierıa AgronomicaAlimentarıa y de BiosistemasUPMMadridSpain Centro de Investigaciones Biologicas Margarita Salas Consejo Superior de Investigaciones Científicas(CSIC)Ramiro de Maeztu 928040 MadridSpain Misión Biológica de Galicia Consejo Superior de Investigaciones Científicas(CSIC)Campus de Montegancedo UPMPozuelo de Alarcón(Madrid)Spain

Beyond their function as structural barriers,plant cell walls are essential elements for the adaptation of plants to environmental *** walls are dynamic structures whose composition and integrity can be altered in response to environmental challenges and developmental *** wall changes are perceived by plant sensors/receptors to trigger adaptative responses during development and upon stress *** cell wall damage caused by pathogen infection,wounding,or other stresses leads to the release of wall molecules,such as carbohydrates(glycans),that function as damage-associated molecular patterns(DAMPs).DAMPs are perceived by the extracellular ectodomains(ECDs)of pattern recognition receptors(PRRs)to activate pattern-triggered immunity(PTI)and disease ***,glycans released from the walls and extracellular layers of microorganisms interacting with plants are recognized as microbe-associated molecular patterns(MAMPs)by specific ECD-PRRs triggering PTI *** number of oligosaccharides DAMPs/MAMPs identified that are perceived by plants has increased in recent ***,the structural mechanisms underlying glycan recognition by plant PRRs remain ***,this knowledge is mainly focused on receptors of the lysM-PRR family,which are involved in the perception of various molecules,such as chitooligosaccharides from fungi and lipo-chitooligosaccharides(i.e.,Nod/MYC factors from bacteria and mycorrhiza,respectively)that trigger differential physiological ***,additional families of plant PRRs have recently been implicated in oligosaccharide/polysaccharide *** include receptor kinases(RKs)with leucine-rich repeat and Malectin domains in their ECDs(lRR-MAl RKs),Catharanthus roseus RECEPTOR-lIKE KINASE 1-lIKE group(CrRlK1l)with Malectin-like domains in their ECDs,as well as wall-associated kinases,lectin-RKs,and *** characterization of structural basis of glycans recogniti

关键词： Arabidopsis thaliana cell wall damage-associated molecular patterns DAMPs disease resistance glycans oligosaccharides pattern-triggered immunity PTl pattern recognition receptor PRRs

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Assessment of programmed death-ligand 1 expression in primary tumors and paired lymph node metastases of gastric adenocarcinoma

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World Journal of Gastrointestinal Oncology 2024年第3期16卷 883-893页

作者： Brendha Cação Coimbra marina Alessandra Pereira leonardo Cardili Venancio Avancini Ferreira Alves Evandro Sobroza de Mello Ulysses Ribeiro Jr Marcus Fernando Kodama Pertille Ramos Department of Gastroenterology Instituto do CancerHospital das Clínicas da Faculdade de Medicina da Universidade de São PauloFaculdade de MedicinaUniversidade de São PauloSão Paulo 01246000Brazil Department of Pathology Instituto do CancerHospital das Clínicas da Faculdade de Medicina da Universidade de São PauloSão Paulo 01246000Brazil

BACKGROUND Anti-programmed death-1/programmed death-ligand 1(PD-1/PD-l1)immuno-therapy has demonstrated promising results on gastric cancer(GC).However,PD-l1 can express differently between metastatic sites and primary tumors(PT).AIM To compare PD-l1 status in PT and matched lymph node metastases(lNM)of GC patients and to determine the correlation between the PD-l1 status and clinicopathological *** We retrospectively reviewed 284 GC patients who underwent ***-l1 was evaluated by immunohistochemistry(clone SP142)using the com-bined positive *** PD-l1+PT staged as pN+were also tested for PD-l1 expression in their ***-l1(-)GC with pN+served as the comparison *** Among 284 GC patients included,45 had PD-l1+PT and 24 of them had pN+.For comparison,44 PD-l1(-)cases with pN+were included(sample loss of 4 cases).Of the PD-l1+PT,54.2%(13/24 cases)were also PD-l1+in the *** PD-l1(-)PT,9.1%(4/44)had PD-l1+in the *** agreement between PT and lNM had a kappa value of *** tumor size and moderate/severe peritumoral inflammatory response were associated with PD-l1 positivity in both *** was no statistical difference in overall survival for PT and lNM according to the PD-l1 status(P=0.166 and P=0.837,respectively).CONClUSION Intra-patient heterogeneity in PD-l1 expression was observed between the PT and matched *** disagreement in PD-l1 status may emphasize the importance of considering different tumor sites for analyses to select patients for immunotherapy.

关键词： Gastric cancer lymph node Programmed death ligand 1 Stomach neoplasms Immunohistochemistry Metastasis

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Soil organic carbon stocks in native forest of Argentina:a useful surrogate for mitigation and conservation planning under climate variability

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Ecological Processes 2024年第1期13卷 3-24页

作者： Pablo l.Peri Juan Gaitán Matías Mastrangelo Marcelo Nosetto Pablo E.Villagra Ezequiel Balducci Martín Pinazo Roxana P.Eclesia Alejandra Von Wallis Sebastián Villarino Francisco Alaggia marina González Polo Silvina Manrique Pablo A.Meglioli Julián Rodríguez-Souilla Martín Mónaco Jimena E.Chaves Ariel Medina Ignacio Gasparri Eugenio Alvarez Arnesi María Paula Barral Axel von Müller Norberto M.Pahr Josefina Uribe Echevarria Pedro Fernández marina Morsucci Dardo lópez Juan Manuel Cellini leandro Alvarez Ignacio Barberis Hernán Colomb ludmila la Manna Sebastián Barbaro Cecilia Blundo Ximena Sirimarco laura Cavallero Gualberto Zalazar Guillermo Martínez Pastur Instituto Nacional de Tecnología Agropecuaria (INTA) Universidad Nacional de la Patagonia Austral (UNPA) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Universidad Nacional de luján Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Grupo de Estudio de Agroecosistemas y Paisajes Rurales (GEAP) Universidad Nacional de Mar del Plata Consejo Nacional de Investigaciones Científicas y Técnicas(CONICET ) CCT San luis Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Instituto Argentino de Nivología Glaciología y Ciencias Ambientales (IANIGLA) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Universidad Nacional de Cuyo Instituto de Investigaciones en Biodiversidad y Medioambiente (INIBIOMA) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Instituto de Investigaciones en Energía No Convencional CCT Salta-JujuyConsejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) laboratorio de Recursos Agroforestales Centro Austral de Investigaciones Científicas (CADIC) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) Dirección Nacional de Bosques Ministerio de Ambiente y Desarrollo Sostenible de la Nación Instituto de Ecología Regional Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET )Universidad Nacional de Tucumán Universidad Nacional de Rosario Instituto de Investigaciones en Ciencias Agrarias de Rosario Centro Científico Tecnológico CONICET Grupo de Estudio de Agroecosistemas y Paisajes Rurales (GEAP) Universidad Nacional de Mar del Plata Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET ) laboratorio de Investigaciones en Maderas (lIMAD) Universidad Nacional de La Plata (UNLP) Administración de Parques Nacionales (APN) Parque Nacional Los Alerces Centro de Estudios Ambientales Integrados (CEAI) Universidad Nacional de la Patagonia San Juan Bosco (UNPASJB) Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET )

Background The nationally determined contribution（NDC） presented by Argentina within the framework of the Paris Agreement is aligned with the decisions made in the context of the United Nations Framework Conven-tion on Climate Change（UNFCCC） on the reduction of emissions derived from deforestation and forest degradation, as well as forest carbon conservation（REDD+）. In addition, climate change constitutes one of the greatest threats to forest biodiversity and ecosystem services. However, the soil organic carbon（SOC） stocks of native forests have not been incorporated into the Forest Reference Emission levels calculations and for conservation planning under cli-mate variability due to a lack of information. The objectives of this study were:（i） to model SOC stocks to 30 cm of native forests at a national scale using climatic, topographic and vegetation as predictor variables, and（ii） to relate SOC stocks with spatial–temporal remotely sensed indices to determine biodiversity conservation concerns due to threats from high inter-annual climate *** We used 1040 forest soil samples（0–30 cm） to generate spatially explicit estimates of SOC native forests in Argentina at a spatial resolution of approximately 200 m. We selected 52 potential predictive environmental covari-ates, which represent key factors for the spatial distribution of SOC. All covariate maps were uploaded to the Google Earth Engine cloud-based computing platform for subsequent modelling. To determine the biodiversity threats from high inter-annual climate variability, we employed the spatial–temporal satellite-derived indices based on Enhanced Vegetation Index（EVI） and land surface temperature（lST） images from landsat *** SOC model（0–30 cm depth） prediction accounted for 69% of the variation of this soil property across the whole native forest coverage in Argentina. Total mean SOC stock reached 2.81 Pg C（2.71–2.84 Pg C with a probability of 90%） for a total area of 460,790 km2,

关键词： Soil organic carbon Biodiversity Native forest Climate change mitigation Modelling Resilience

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A new oxidative pathway of nitric oxide production from oximes in plants

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Molecular Plant 2024年第1期17卷 178-198页

作者： Pedro lopez-Gomez Javier Buezo marina Urra Alfonso Cornejo Raquel Esteban Jorge Fernandez de los Reyes Estibaliz Urarte Estefania Rodriguez-Dobreva Alejandro Chamizo-Ampudia Alejandro Eguaras Sebastian Wolf Daniel Marino Victor Martinez-Merino Jose F.Moran Institute for Multidisciplinary Research in Applied Biology(IMAB) Department of SciencesPublic University of Navarre(UPNA)Avda.de Pamplona 12331192 MutilvaSpain Institute for Advanced Materials and Mathematics(INAMAT2) Department of SciencesPublic University of Navarre(UPNA)Campus de Arosadia31006 PamplonaSpain Department of Plant Biology and Ecology University of the Basque Country(UPV/EHU)Sarriena s/nApdo.64448080 BilbaoSpain Center for Plant Molecular Biology(ZMBP) University of TubingenGeschwister-Scholl-Platz72074 TubingenGermany Institute of Natural Resources and Agrobiology of Salamanca(IRNASA) Department of Plant-Microorganism InteractionsSpanish National Research Council(CSIC)Cordel de Merinas40-5237008SalamancaSpain Department of Biochemistry Area of Molecular BiologyVeterinary FacultyUniversity of LeonCampus de Vegazanas/n.24071 LeonSpain

Nitric oxide(NO)is an essential reactive oxygen species and a signal molecule in *** several studies have proposed the occurrence of oxidative NO production,only reductive routes for NO production,such as the nitrate(NO_(3)^(-))-upper-reductase pathway,have been evidenced to date in land ***,plants grown axenically with ammonium as the sole source of nitrogen exhibit contents of nitrite and NO3−,evidencing the existence of a metabolic pathway for oxidative production of *** hypothesized that oximes,such as indole-3-acetaldoxime(IAOx),a precursor to indole-3-acetic acid,are intermediate oxidation products in NO *** detected the production of NO from IAOx and other oximes catalyzed by peroxidase(POD)enzyme using both 4-amino-5-methylamino-2′,7′-difluorescein fluorescence and *** stimulated the reaction,while superoxide dismutase inhibited ***,mouse NO synthase can also use IAOx to produce NO at a lower rate than *** provided a full mechanism for POD-dependent NO production from IAOx consistent with the experimental data and supported by density functional theory *** showed that the addition of IAOx to extracts from Medicago truncatula increased the in vitro production of NO,while in vivo supplementation of IAOx and other oximes increased the number of lateral roots,as shown for NO donors,and a more than 10-fold increase in IAOx dehydratase ***,we found that in vivo supplementation of IAOx increased NO production in Arabidopsis thaliana wild-type plants,while prx33-34 mutant plants,defective in POD33-34,had reduced *** data show that the release of NO by IAOx,as well as its auxinic effect,explain the superroot ***,our study reveals that plants produce NO utilizing diverse molecules such as oximes,POD,and flavins,which are widely distributed in the plant kingdom,thus introducing a long-awaited oxidative pathway to NO production in plants.T

关键词： ammonium oxidation auxin nitric oxide oxime peroxidase root phenotype

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