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Amyloid-beta and tau protein beyond Alzheimer's disease

Neural Regeneration Research 2024年第6期19卷 1262-1276页

作者： morteza Abyadeh Vivek Gupta joao A.paul. Arezoo Gohari mahmoudabad Sina Shadfar Shahab mirshahvaladi Veer Gupta Christine T.O.Nguyen David I.Finkelstein Yuyi You paul.A.Haynes Ghasem H.Salekdeh Stuart L.Graham mehdi mirzaei ProGene Technologies Pty Ltd. 2. Department of Clinical medicine Faculty of Medicine Health and Human Sciences Macquarie Medical School Macquarie University Department of Cell Biology Harvard Medical School School of medicine Deakin University Department of Optometry and Vision Sciences School of Health Sciences Faculty of Medicine Dentistry and Health Sciences University of Melbourne The Florey Institute of Neuroscience and mental Health The University of Melbourne School of Natural Sciences Macquarie University

The aggregation of amyloid-beta peptide and tau protein dysregulation are implicated to play key roles in Alzheimer’s disease pathogenesis and are considered the main pathological hallmarks of this devastating disease. Physiologically, these two proteins are produced and expressed within the normal human body. However, under pathological conditions, abnormal expression, posttranslational modifications, conformational changes, and truncation can make these proteins prone to aggregation, triggering specific disease-related cascades. Recent studies have indicated associations between aberrant behavior of amyloid-beta and tau proteins and various neurological diseases, such as Alzheimer’s disease, Parkinson’s disease, and amyotrophic lateral sclerosis, as well as retinal neurodegenerative diseases like Glaucoma and age-related macular degeneration. Additionally, these proteins have been linked to cardiovascular disease, cancer, traumatic brain injury, and diabetes, which are all leading causes of morbidity and mortality. In this comprehensive review, we provide an overview of the connections between amyloid-beta and tau proteins and a spectrum of disorders.

关键词： amyloid-beta cancer cardiovascular diseases diabetes neurodegeneration Tau traumatic brain injury

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An automated multiwell plate reading flim microscope for live cell autofluorescence lifetime assays

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Journal of Innovative Optical Health Sciences 2014年第5期7卷 99-113页

作者： Douglas J.Kelly Sean C.Warren Sunil Kumar joao L.Lagarto Benjamin T.Dyer Anca margineanu Eric W.-F.Lam Chris Dunsby paul.m.W.French Photonics Group Department of PhysicsImperial College London South Kensington CampusLondonSW72AZUK Institute of Chemical Biology Department of Chemistry Imperial College LondonSouth Kensington Campus LondonSWT 2AZUK National Heart&Lung Institute Imperial Centre for Eaperimental&Translational medicine Du Cane Road LondonW12 ONNUK Department of Surgery and Cancer Imperial Cllege London Du Cane RoadLondonW12 ONNUK Centre for Histopathology Imperial College London Du Cane RoadLondonW120NNUK

Fluorescence lifetime imaging(FLIm)is increasingly used to read out cellular autofluorescenceoriginating from the coenzyme NADH in the context of investigating cell metabolic state.Wepresent here an automated multiwell plate reading FLIm microscope optimized for UV illumi-nation with the goal of extending high content fluorescence lifetime asays to readouts ofmetabolism,We demonstrate its application to automated cellular autofluorescence lifetime imaging and discuss the key practical issues associated with its implementation.In particular,weillustrate its capability to read out the NADH-lifetime response of cells to metabolic modulators,thereby illustrating the potential of the instrument for cytotoxicity studies,assays for drugdiscovery and stratified medicine.

关键词： High content analysis FLIm NADH metabolism cisplatin.

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Assessment and prediction of tablet properties using transmission and backscattering Raman spectroscopy and transmission NIR spectroscopy

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Asian Journal of Pharmaceutical Sciences 2016年第4期11卷 547-558页

作者： Elisabeth Peeters Ana Filipa Tavares da Silva maunu Toiviainen Jeroen Van Renterghem Jurgen Vercruysse mikko Juuti joao Almeida Lopes Thomas De Beer Chris Vervaet Jean-paul.Remon Laboratory of Pharmaceutical Technology Ghent UniversityOttergemsesteenweg 4609000GhentBelgium Laboratory of Pharmaceutical Process Analytical Technology Ghent UniversityOttergemsesteenweg 4609000GhentBelgium REQUImTE Department of Chemical SciencesUniversity of PortoRua de Jorge Viterbo Ferreira2284050-313PortoPortugal VTT Technical Research Centre of Finland Optical Measurement TechnologiesKaitoväylä190570 OuluFinland

This study investigated whether Raman and Near Infrared(NIR) spectroscopy could predict tablet properties. Granules were produced on a continuous line by varying granulation parameters. Tableting process parameters were adjusted to obtain uniform tablet weight and thickness. Spectra were collected offline and tablet properties determined with traditional analyzing methods. Partial Least Squares(PLS) regression was used to correlate spectral information to tablet properties, but predictive models couldn’t be established. Principal component analysis(PCA) was effectively used to distinguish theophylline concentrations and hydration levels and multiple linear regression(mLR) analysis allowed insight on how granulation parameters affect granule and tablet properties.

关键词： Continuous production PAT Granulation Tableting NIR Raman

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African eggplant(Solanum anguivi Lam.)fruit with bioactive polyphenolic compounds exerts in vitro antioxidant properties and inhibits Ca^(2+)-induced mitochondrial swelling

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Asian Pacific Journal of Tropical Biomedicine 2013年第10期3卷 757-766页

作者： Olusola Olalekan Elekofehinti Jean paul.Kamdem Aline Augusti Bolingon margareth Linde Athayde Seeger Rodrigo Lopes Emily Pansera Waczuk Ige Joseph Kade Isaac Gbadura Adanlawo joao Batista Teixeira Rocha Department of Biochemistry Adekunle Ajasin UniversityAkungbaOndo StateNigeria Postgraduate Programme in Biochemical Toxicology Department of ChemistryCCNE.Federal University of Santa Maria.Campus CamobiSanta MariaRS.97105-900Brazil Postgraduate Programme in Pharmaceutical Sciences Federal University of Santa MariaCampus CamohiSanta MariaRS97105-900.Brazil Toxicologia de Produtos Naturais e Sinteticos.Universidade Federal do Pampa CEP 97500-970 UruguaianaRSBrazil Department of Biochemistry Federal University of TechnologyAkureOndo StateNigeria Department of Biochemistry University of Ado EkitiEkiti State.Nigeria

Objective:To evaluate the antioxidant and radical scavenging activities of Solanum anguivi fruit(SAG)and its possible effect on mitochondrial permeability transition pore as well as mitochondrial membrane potential(△Ψ_m)isolated from rat liver.methods:Antioxidant activity of SAG was assayed by using 2,2-diphenyl-1-picrylhydrazyl(DPPH),reducing power,iron chelation and ability to inhibit lipid peroxidation in both liver and brain homogenate of rats.Also,the effect of SAG on mitochondrial membrane potential and mitochondrial swelling were determined.Identification and quantification of bioactive polyphenolics was done by HPLC-DAD.Results:SAG exhibited potent and concentration dependent free radical-scavenging activity(IC_(50)/DPPH=275.03±7.8μg/mL).Reductive and iron chelation abilities also increase with increase in SAG concentration.SAG also inhibited peroxidation of cerebral and hepatic lipids subjected to iron oxidative assault.SAG protected against Ca^(2+)(110μmol/L)-induced mitochondrial swelling and maintained the△Ψ_m.HPLC analysis revealed the presence of gallic acid[(17.54±0.04)mg/g],chlorogenic acid(21.90±0.02 mg/g),caffeic acid(16.64±0.01 mg/g).rutin[(14.71±0.03)mg/g]and quercetin[(7.39±0.05)mg/g].Conclusions:These effects could be attributed to the bioactive polyphenolic compounds present in the extract.Our results suggest that SAG extract is a potential source of natural antioxidants that may be used not only in pharmaceutical and food industry but also in the treatment of diseases associated with oxidative stress.

关键词： Solanum anguivi fruit Antioxidant activity Oxidative stress mitochondrial swelling HPLC Polyphenolic compounds mPTP

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Fibrosis assessment using Fibro meter combined to first generation tests in hepatitis C

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World Journal of Hepatology 2017年第6期9卷 310-317页

作者： maria Chiara Chindamo Jerome Boursier Ronir Raggio Luiz Isabelle Fouchard-Hubert Vera Lúcia Nunes Pannain joao marcello de Araújo Neto Henrique Sérgio moraes Coelho Renata de mello Perez paul.Calès Cristiane Alves Villela-Nogueira Departament of Internal medicine Federal University of Rio de Janeiro Department of Hepatology University Hospital HIFIH Laboratory UPRES 3859SFR 4208Bretagne Loire University Institute of Public Health Studies Federal University of Rio de Janeiro Departament of Pathology Federal University of Rio de Janeiro Gastroenterology Department University of the State of Rio de Janeiro D’Or Institute for Research and Education

AIm To evaluate the performance of Fibrometer^(Virus3G) combined to the first generation tests aspartate aminotransferase-to-platelet ratio index(APRI) or Forns index to assess significant fibrosis in chronic hepatitis C(CHC).mETHODS First generation tests APRI or Forns were initially applied in a derivation population from Rio de Janeiro in Brazil considering cut-offs previously reported in the literature to evaluate significant fibrosis.Fibrometer^(Virus3G) was sequentially applied to unclassified cases from APRI or Forns.Accuracy of non-invasive combination of tests,APRI plus Fibrometer^(Virus3G) and Forns plus Fibrometer^(Virus3G) was evaluated in the Brazilian derivation population.APRI plus Fibrometer^(Virus3G) combination was validated in a population of CHC patients from Angers in France.All patients were submitted to liver biopsy staged according to mETAVIR score by experienced hepatopathologists.Significant fibrosis was considered as mETAVIR F≥2.The fibrosis stage classification was used as the reference for accuracy evaluation of non-invasive combination of tests.Blood samples for the calculation of serum tests were collected on the same day of biopsy procedure or within a maximum 3 mo interval and stored at-70 ℃.RESULTS Seven hundred and sixty CHC patients were included(222 in the derivation population and 538 in the validation group).In the derivation population,the Fibrometer^(Virus3G) AUROC was similar to APRI AUROC(0.855 vs 0.815,P=0.06) but higher than Forns AUROC(0.769,Pmeter^(Virus3G) cut-off to discriminate significant fibrosis was 0.61(80% diagnostic accuracy;75% in the validation population,P=0.134).The sequential combination of APRI or Forns with Fibrometer^(Virus3G) in derivation population presented similar performance compared to Fibrometer^(Virus3G) used alone(79% vs 78% vs 80%,respectively,P=0.791).Unclassified cases of significant fibrosis after applying APRI and Forns corresponded to 49% and 54%,respectively,of the total sample.However,the combination of APRI or

关键词：长期的丙肝纤维变性肝活体检视非侵略的方法 Fibrometer Virus3G 联合算法

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Polymorphism in cardiovascular diseases(CVD)susceptibility loci in the azores islands(Portugal)

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Open Journal of Genetics 2011年第3期1卷 48-53页

作者： mafalda Raposo paul.Sousa Stefan Nemeth Ana Rita Couto margarida Rodrigues Santos joao paul. Pinheiro maria joao Peixoto Christian Oberkanins Nadiya Kazachkova Teresa Cymbron manuela Lima Jacome Bruges-Armas Center of Research in Natural Resources(CIRN)and Department of Biology University of the AzoresPonta DelgadaPortugal Specialized Service of Epidemiology and molecular Biology(SEEBmO) Hospital of Santo EspiritoAngra do HeroismoPortugal Institute for molecular and Cell Biology(IBmC) University of PortoPortoPortugal ViennaLab Diagnostics GmbH ViennaAustria

Background: Atherosclerosis and thrombosis are the major manifestations underlying cardiovascular diseases (CVD), which are the leading cause of mortality and morbidity worldwide. Both result from an interaction between genetic and environmental risk factors. The goal of our study was to evaluate several polymorphisms identified as predisposing factors to atherosclerosis and thrombosis. material and methods: A series of 155 healthy unrelated individuals of Azorean origin were analyzed using the CVD StripAssay (ViennaLab Diagnostics, Austria) for the most established polymorphisms involved in blood coagulation (F2, F5, F13A1, FGB), fibrinolitic system (SERPINE1), platelet adhesion (ITGB3), homocysteine metabolism (mTHFR), reninangio-tensin system (ACE) and lipid metabolism (APOE). Results: No significant differences were observed in allelic frequencies when comparing our data to mainland Portugal. Group stratification according to the number of “increased” risk alleles, demonstrated that 116/155 (75%) individuals belong to the moderate risk group (5 - 10 risk alleles). Conclusions: Although acknowledging the fact that the allelic states at the analysed loci lack predictive value, the fact that a high frequency of individuals presents at least 5 risk alleles (124/155;80%) is important for the establishment of the appropriate preventive measures in the Azorean population.

关键词： Atherosclerosis Thrombosis Cardiovascular Diseases Susceptibility Genes Genetic Risk Poly-morphism

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Suiting Dynamic models of Fixed-Bed Catalytic Reactors for Computer-Based Applications

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Engineering（科研） 2011年第7期3卷 778-785页

作者： Eduardo Coselli Vasco de Toledo Edvaldo Rodrigo morais Delba Nisi Cosme melo Adriano Pinto mariano joao F.C.A.meyer Rubens maciel Filho Petrobras Paulínia Refinery(Replan)PaulíniaBrazil Laboratory of Optimization Design and Advanced ControlSchool of Chemical EngineeringUniversity of CampinasCampinasBrazil Institute of mathematics Statisticsand Scientific ComputationUniversity of CampinasCampinasBrazil

This work investigated the applicability of heterogeneous and pseudo-homogeneous models to predict the dynamic behavior of a fixed-bed catalytic reactor. Some issues concerning the dynamic behavior of the system were discussed, such as the prediction of the inverse response phenomenon. The proposed models (Het- erogeneous I and II and Pseudo-homogeneous) were able to predict with qualitative similarity the main characteristics of the dynamic behavior of a fixed-bed catalytic reactor, including the inverse response. The computational time demanded for the solution of the heterogeneous models was 10 to 50% longer than in the case of the pseudo-homogeneous model, making the use of the former suitable for applications where computational time is not the major restriction (off-line applications). On the other hand, when on-line applications are required, the simplified model (Pseudo-homogeneous model) showed to be a good alternative because this model was able to predict (qualitatively) the dynamics of the reactor using a faster and easier numerical solution.

关键词： Dynamic models Inverse Response Fixed-Bed Catalytic Reactors Simulation

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Observatory science with eXTP

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Science China(Physics,mechanics & Astronomy) 2019年第2期62卷 97-138页

作者： Jean J.m.in 't Zand Enrico Bozzo JinLu Qu Xiang-Dong Li Lorenzo Amati Yang Chen Immacolata Donnarumma Victor Doroshenko Stephen A.Drake margarita Hernanz Peter A.Jenke Thomas J.maccarone Simin mahmoodifar Domitilla de martino Alessandra De Rosa Elena m.Rossi Antonia Rowlinson Gloria Sala Giulia Stratta Thomas m.Tauris Joern Wilms XueFeng Wu Ping Zhou Iván Agudo Diego Altamirano Jean-Luc Atteia Nils A.andersson m.Cristina Baglio David R.Ballantyne Altan Baykal Ehud Behar Tomaso Belloni Sudip Bhattacharyya Stefano Bianchi Anna Bilous Pere Blay joao Braga Sφren Brandt Edward F.Brown Niccolo Bucciantini Luciano Burderi Edward m.Cackett Riccardo Campana Sergio Campana Piergiorgio Casella Yuri Cavecchi Frank Chambers Liang Chen Yu-Peng Chen Jér?me Chenevez maria Chernyakova ChiChuan Jin Riccardo Ciolfi Elisa Costantini Andrew Cumming Antonino D'Aì Zi-Gao Dai Filippo D'Ammando massimiliano De Pasquale Nathalie Degenaar melania Del Santo Valerio D'Elia Tiziana Di Salvo Gerry Doyle maurizio Falanga XiLong Fan Robert D.Ferdman marco Feroci Federico Fraschetti Duncan K.Galloway Angelo F.Gambino Poshak Gandhi mingYu Ge Bruce Gendre Ramandeep Gill Diego G?tz Christian Gouiffès Paola Grandi Jonathan Granot manuel Güdel Alexander Heger Craig O.Heinke Jeroen Homan Rosario Iaria Kazushi Iwasawa Luca Izzo Long Ji Peter G.Jonker Jordi José Jelle S.Kaastra Emrah Kalemci Oleg Kargaltsev Nobuyuki Kawai Laurens Keek Stefanie Komossa Ingo Kreykenbohm Lucien Kuiper Devaky Kunneriath Gang Li En-Wei Liang manuel Linares Francesco Longo FangJun Lu Alexander A.Lutovinov Denys malyshev Julien malzac Antonios manousakis Ian mcHardy missagh mehdipour YunPeng men mariano méndez Roberto P.mignani Romana mikusincova m.Coleman miller Giovanni miniutti Christian motch Joonas Nättilä Emanuele Nardini Torsten Neubert paul.T.O'Brien mauro Orlandini Julian P.Osborne Luigi Pacciani Stéphane Paltani maurizio Paolillo Iossif E.Papadakis Biswajit paul.Alberto Pellizzoni Uria Peretz miguel A.Pérez Torres Emanuele Perinati Chanda Prescod-Weinstein Pablo Reig SRON Netherlands Institute for Space Research Department of Astronomy University of Geneva Key Laboratory for Particle Astrophysics Institute of High Energy PhysicsChinese Academy of Sciences School of Astronomy and Space Science Nanjing University INAF-IASF Bologna ASI Via del Politecnico snc INAF-Istituto di Astrofisica e Planetologie Spaziali Institut für Astronomie und Astrophysik Tübingen Universit?t Tübingen NASA Goddard Space Flight Center ICREA&Institute of Space Sciences(IEEC-CSIC) Campus UABCarrer de Can Magrans CSPAR SPA University of Alabama in Huntsville Department of Physics Texas Tech University INAF Osservatorio Astronomico di Capodimonte Leiden Observatory Leiden University Anton Pannekoek Institute University of Amsterdam ASTRON Netherlands Institute for Radio Astronomy Universitat Politecnica de Catalunya(UPC-IEEC) Universitádegli Studi di Urbino‘Carlo Bo’ max-Planck-Institut für Radioastronomie Dr.Karl-Remeis-Sternwarte and Erlangen Centre for Astroparticle Physics(ECAP) Friedrich Alexander Universit?t Erlangen-Nurnberg Purple mountain Observatory Chinese Academy of Sciences Instituto de Astrofysíca de Andalucia-CSIC Department of Physics and Astronomy University of Southampton IRAP Universitéde ToulouseCNRSUPSCNES mathematical Sciences and STAG Research Centre University of Southampton New York University Abu Dhabi Center for Relativistic Astrophysics School of PhysicsGeorgia Institute of Technology Physics Department Middle East Technical University Department of Physics Technion-Israel Institute of Technology INAF Osservatorio Astronomico di Brera Tata Institute of Fundamental Research Dipartimento di matematica e Fisica Universitàdegli Studi Roma Tre Instituto de Astrofísica de Canarias Instituto Nacional de Pesquisas Espaciais-INPE National Space Institute Technical University of Denmark(DTU Space) Department of Physics and Astronomy Michigan State University INAF Osservatorio Astrofisico di Arcetri Dipartimento di Fisica Universitádegli Studi di Cagliari Department of Physics and A

In this White Paper we present the potential of the enhanced X-ray Timing and Polarimetry(eXTP) mission for studies related to Observatory Science targets. These include flaring stars, supernova remnants, accreting white dwarfs, low and high mass X-ray binaries, radio quiet and radio loud active galactic nuclei, tidal disruption events, and gamma-ray bursts. eXTP will be excellently suited to study one common aspect of these objects: their often transient nature. Developed by an international Consortium led by the Institute of High Energy Physics of the Chinese Academy of Science, the eXTP mission is expected to be launched in the mid 2020s.

关键词： space research in struments nuclear astrophysics flare stars accretion and accretion disks mass loss and stellar winds cataclysmic binaries X-ray binaries supernova remnants active galactic nuclei X-ray bursts gamma-ray bursts gravitational waves

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Notes,outline and divergence times of Basidiomycota

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Fungal Diversity 2019年第6期99卷 105-367页

作者： mao-Qiang He Rui-Lin Zhao Kevin D.Hyde Dominik Begerow martin Kemler Andrey Yurkov Eric H.C.mcKenzie Olivier Raspe makoto Kakishima Santiago Sanchez-Ramırez Else C.Vellinga Roy Halling Viktor Papp Ivan V.Zmitrovich Bart Buyck Damien Ertz Nalin N.Wijayawardene Bao-Kai Cui Nathan Schoutteten Xin-Zhan Liu Tai-Hui Li Yi-Jian Yao Xin-Yu Zhu An-Qi Liu Guo-Jie Li ming-Zhe Zhang Zhi-Lin Ling Bin Cao Vladimir Antonin Teun Boekhout Bianca Denise Barbosa da Silva Eske De Crop Cony Decock Balint Dima Arun Kumar Dutta Jack W.Fell Jozsef Geml masoomeh Ghobad-Nejhad Admir J.Giachini Tatiana B.Gibertoni Sergio P.Gorjon Danny Haelewaters Shuang-Hui He Brendan P.Hodkinson Egon Horak Tamotsu Hoshino Alfredo Justo Young Woon Lim Nelson menolli Jr Armin mesic Jean-marc moncalvo Gregory m.mueller La szlo G.Nagy RHenrik Nilsson machiel Noordeloos Jorinde Nuytinck Takamichi Orihara Cheewangkoon Ratchadawan mario Rajchenberg Alexandre G.S.Silva-Filho marcelo Aloisio Sulzbacher Zdenko Tkalcec Ricardo Valenzuela Annemieke Verbeken Alfredo Vizzini Felipe Wartchow Tie-Zheng Wei michael WeiB Chang-Lin Zhao paul.m.Kirk State Key Laboratory of mycology Institute of MicrobiologyChinese Academy of SciencesBeijing 100101People’s Republic of China Department of Entomology and Plant Pathology Faculty of AgricultureChiang Mai UniversityChiang Mai 50200Thailand Center of Excellence in Fungal Research Mae Fah Luang UniversityChiang Rai 57100Thailand College of Life Sciences University of Chinese Academy of SciencesHuairou DistrictBeijing 100408People’s Republic of China Ruhr-Universitat Bochum AG GeobotanikND03UniversitatsstraBe 15044801 BochumGermany Leibniz Institute DSmZ-German Collection of microorganisms and Cell Cultures InhoffenstraBe 7B38124 BrunswickGermany manaaki Whenua-Landcare Research Private Bag 92170AucklandNew Zealand Research Department Meise Botanic GardenNieuwelaan 381860 MeiseBelgium Service General de l'Enseignement superieur et de la Recherche scientifique Federation Wallonie-BruxellesLavallee 11080 BrusselsBelgium University of Tsukuba TsukubaIbaraki 305-8572Japan Department of Ecology and Evolutionary Biology University of Toronto25 Willcocks St.TorontoON M5S 3B2Canada Berkeley USA Institute of Systematic Botany The New York Botanical GardenBronxNY 10458-5126USA Department of Botany Szent Istvan University1518 BudapestHungary Komarov Botanical Institute Russian Academy of SciencesProfessor Popov st.2Saint PetersburgRussia 197376 Institut pour Systematique Ecologie Biodiversite(ISYEB UmR 7205) Sorbonne universiteMuseum National d’Histoire Naturelle CP 39CNRSDepartement Origines et Evolution12 Rue Buffon75005 ParisFrance Institute of microbiology Beijing Forestry UniversityBeijing 100083People’s Republic of China Department of Biology Research Group MycologyGhent UniversityK.L.Ledeganckstraat 359000 GhentBelgium State Key Laboratory of Applied microbiology Southern China Guangdong Provincial Key Laboratory of Microbial Culture Collection and ApplicationGuangdong Institute of MicrobiologyGuangzhou 510070People’s Republic of China Department of Botany Moravian Mu

The Basidiomycota constitutes a major phylum of the kingdom Fungi and is second in species numbers to the Ascomycota.The present work provides an overview of all validly published,currently used basidiomycete genera to date in a single document.An outline of all genera of Basidiomycota is provided,which includes 1928 currently used genera names,with 1263 synonyms,which are distributed in 241 families,68 orders,18 classes and four subphyla.We provide brief notes for each accepted genus including information on classification,number of accepted species,type species,life mode,habitat,distribution,and sequence information.Furthermore,three phylogenetic analyses with combined LSU,SSU,5.8s,rpb1,rpb2,and ef1 datasets for the subphyla Agaricomycotina,Pucciniomycotina and Ustilaginomycotina are conducted,respectively.Divergence time estimates are provided to the family level with 632 species from 62 orders,168 families and 605 genera.Our study indicates that the divergence times of the subphyla in Basidiomycota are 406-430 mya,classes are 211-383 mya,and orders are 99-323 mya,which are largely consistent with previous studies.In this study,all phylogenetically supported families were dated,with the families of Agaricomycotina diverging from 27-178 mya,Pucciniomycotina from 85-222 mya,and Ustilaginomycotina from 79-177 mya.Divergence times as additional criterion in ranking provide additional evidence to resolve taxonomic problems in the Basidiomycota taxonomic system,and also provide a better understanding of their phylogeny and evolution.

关键词： Classification molecular clock Fungi Systematics Taxonomy

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