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A tribo-chemical view on astringency of plant-based food substances

Friction 2024年第7期12卷 1392-1407页

作者： samuel s.GAMANIEL Paloma s.DUEÑAs ROBLEs Hans TROMP Els H.A.de hoog sissi de BEER Emile van der HEIde Laboratory for surface Technology and Tribology Faculty of Engineering TechnologyUniversity of TwenteEnschede 7522 LWthe Netherlands NIZO Food Research B.V. Ede6710 BAthe Netherlands department of Molecules and Materials MEsA+Institute for Nanotechnology University of TwenteEnschede 7500 AEthe Netherlands

Consumption of plant-based food products having high composition of polyphenols leads to the sensation of *** sliding oral surfaces,friction is an essential property during the oral perception of roughness and dryness which are attributes associated with *** factors including the chemical composition of interacting layers,structure and operation of interfaces have an effect on the astringency development *** manner of interactions occurring at oral interfaces suggest there is a system dependence of astringency and highlights the importance of adopting a tribosystems *** measurement techniques have shown an existing relationship between salivary protein-polyphenol interaction and an astringent ***,the tribo-chemistry involved in this multifaceted sensation remains largely unexplored in a comprehensive *** this review the underlying tribo-chemical processes useful in understanding the mechanism of astringency are highlighted and discussed considering current techniques employed to investigate astringency *** of lubrication on oral surfaces owing to the tribo-chemical interactions involving saliva and astringent plant proteins requires subsequent deformations of oral tissues which are significant enough to induce strains at mechanoreceptor locations,leading to the sensation of *** is proposed that micro-scale contact modelling on the interaction of food particles/aggregates,boundary layers and oral surfaces shows potential in addressing the knowledge gap between tribo-chemical measurement techniques and panel tests,making it possible to attain a predictor for astringency.

关键词： oral lubrication astringency tribo-chemistry tribology

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Ecology and phylogeny of black yeast-like fungi: diversity in unexplored habitats

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Fungal Diversity 2014年第2期65卷 1-2页

作者： G.s.de hoog Centraalbureau voor schimmelcultures KNAW Fungal Biodiversity CentreP.O.Box 851673508 AD UtrechtThe Netherlands

The known biodiversity of black yeasts and their allies has exploded over the last *** even applies to medically significant genera such as Exophiala and Cladophialophora,where the number of accepted species has grown since the 1990s of the previous century from 9 to 44 and from 5 to 34,respectively.A first source of change no doubt is dissection of many supposed ubiquitous generalists into series of narrowly circumscribed molecular siblings,which often appear to be specialists with ecological preferences differing significantly between *** early example of subdivision of classical species in black yeasts,using DNA homology techniques,concerned Exophiala *** of its siblings today is known to be a biofilm former in drinking water networks,while *** sensu stricto is thus far only known from subcutaneous infections in humans.

关键词： habitat phylogeny black

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基质辅助激光解吸电离飞行时间质谱自建库鉴定临床常见致病丝状真菌的研究

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广西医科大学学报 2024年第4期41卷 500-507页

作者：张璐赵蓉芬孙艳霞 sde hoog Jos Houbraken 邓淑文张虹苏州高新区人民医院医学研究中心苏州215004 苏州高新区人民医院检验科苏州215004 Centre of Expertise in Mycology of Radboud University Medical Centre/Canisius Wilhelmina Hospital Nijmegen 6500 HB Westerdijk Fungal Biodiversity Institute Utrecht 3508 AD

目的:评估基质辅助激光解吸电离飞行时间质谱(MALDI-TOF Ms)技术鉴定临床常见致病丝状真菌的准确性。方法:采用AUTOF Ms1000质谱系统,在原有商业参考库的基础上,增补构建自建数据库,采用125株临床分离菌株对自建库进行验证。结果:自建... 详细信息

目的:评估基质辅助激光解吸电离飞行时间质谱(MALDI-TOF Ms)技术鉴定临床常见致病丝状真菌的准确性。方法:采用AUTOF Ms1000质谱系统,在原有商业参考库的基础上,增补构建自建数据库,采用125株临床分离菌株对自建库进行验证。结果:自建库新增菌株包括:皮肤癣菌3个属15种菌种,共76株;曲霉属30个菌种,共75株。以已有商业数据库加自建数据库为比对标准,125株临床分离菌株属水平鉴定率100%,种水平鉴定率达80.8%;以分子鉴定结果为金标准,正确鉴定率94.1%。其中,69株皮肤癣菌的种水平鉴定率为79.7%,正确鉴定率92.7%;56株曲霉菌种水平鉴定率为82.1%,正确鉴定率95.6%;错误鉴定6株,集中在须癣毛癣菌复合体(*** series)菌种趾间毛癣菌/须癣毛癣菌/昆可努发癣菌(***/***/***)交叉识别及***中黑曲霉(***)与塔宾曲霉(***)交叉识别。结论:通过补充完善自建库可提高MALDI-TOF Ms鉴定丝状真菌的准确率;同时,参考数据库及时扩展和更新,以确保MALDI-TOF Ms准确鉴定真菌菌种的能力。

关键词：基质辅助激光解吸电离飞行时间质谱自建库皮肤癣菌曲霉

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Global ITs diversity in the sporothrix schenckii complex

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Fungal Diversity 2014年第3期66卷 153-165页

作者： Xun Zhou Anderson M.Rodrigues Peiying Feng G.s.de hoog department of dermatology Affiliated Hospital of Chongqing Medical UniversityChongqingChina Centraalbureau voor schimmelcultures KNAW Fungal Biodiversity Centre PO Box 851673508 AD UtrechtThe Netherlands department of Microbiology Immunology and Parasitology-DMIPCellular Biology DivisionFederal University of São Paulo-UNIFESPSão PauloBrazil Third Affiliated Hospital Sun Yat-sen UniversityGuangzhouChina sun Yat-sen Memorial Hospital Sun Yat-Sen UniversityGuangzhouChina Institute for Biodiversity and Ecosystem Dynamics University of AmsterdamAmsterdamThe Netherlands Peking University Health science Center Research Center for Medical MycologyBeijingChina

Molecular phylogeny has revealed that sporotrichosis is caused by several sporothrix species which differ in clinical *** complex is embedded within Ophiostoma,a genus mainly comprising fungi that live in association with bark beetles,but differs by a high virulence towards humans and other *** different ecology is corroborated by phylogenetic *** aim of the present study was to determine the validity of the rDNA internal transcribed spacer(ITs)region as a marker for diagnostics of species in the clinical group,using betatubulin sequences to calibrate species *** topology of the two gene trees was concordant,and all clinically relevant sporothrix species could easily be recognized by means of the ITs *** increased geographic sampling did not affected delimitation success in the clinical clade of the *** complex.

关键词： sporothrix schenckii sporotrichosis Taxonomy Phylogeny ITs Barcoding

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A multigene phylogeny reveals that Ochroconis belongs to the family sympoventuriaceae (Venturiales,Dothideomycetes)

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Fungal Diversity 2014年第2期65卷 77-88页

作者： M.Machouart K.samerpitak G.s.de hoog C.Gueidan service de Parasitologie-Mycologie CHU de NancyHôpital Brabois11 allée du Morvan54511 Vandoeuvre-les-NancyFrance CBs-KNAW Fungal Biodiversity Centre P.O.Box 851673508 AD UtrechtThe Netherlands department of Microbiology Faculty of MedicineKhon Kaen University123 Mittraparp HighwayMuang DistrictKhon Kaen 40002Thailand department of Life sciences Division of Genomic&Microbial DiversityThe Natural History MuseumCromwell roadLondon SW75BDUnited Kingdom

Ochroconis is a genus of ascomycete fungi that includes oligotrophic saprobes and some opportunistic species causing infections in *** most important of these opportunists is the neurotropic species Ochroconis gallopava,which occurs in birds and occasionally in immunocompromised *** Ochroconis species have been isolated from superficial infections of cats,dogs and *** their natural environment,these species are found in litter,soil,and on moist *** thermophilic species have been isolated from hot springs,industrial effluents,and self-heated plant *** their ecology and epidemiology has been investigated,their classification within the ascomycetes is still ***,the phylogenetic placement of Ochroconis is investigated using a four-gene phylogeny(nuLsU,nussU,mtssU and RPB2).The results show that Ochroconis and its recently described sister genus Verruconis belong to the order Venturiales(Dothideomycetes)and are nested within the sympoventuriaceae,a family recently erected for a group of plant-saprobes or-pathogens sister to the *** form a well-supported monophyletic group together with five species of the anamorphic genus Fusicladium isolated from leaf and needle litters.

关键词： Dactylaria Fusicladium Classification Molecular phylogenetics Opportunistic vertebrate pathogens

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Diversity and delimitation of Rhizopus microsporus

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Fungal Diversity 2014年第1期64卷 145-163页

作者： somayeh Dolatabadi Grit Walther A.H.G.Gerrits van den Ende G.s.de hoog CBs-KNAW Fungal Biodiversity Centre P.O.Box 851673508 AD UtrechtThe Netherlands Institute for Biodiversity and Ecosystem Dynamics University of AmsterdamAmsterdamThe Netherlands Institute of Microbiology Department of Microbiology and Molecular BiologyUniversity of JenaJenaGermany Leibniz-Institute for Natural Product Research and Infection Biology-Hans-Knöll-Institute Jena Microbial Resource CollectionJenaGermany Research Center for Medical Mycology Peking University Health Science CenterBeijingChina sun Yat-sen Memorial Hospital Sun Yat-sen UniversityGuangzhouChina shanghai Institute of Medical Mycology Changzheng HospitalSecond Military Medical UniversityShanghaiChina

Rhizopus microsporus has been used for centuries in the production of oriental fermented foods,but the species is also known as a toxin producer and from severe human *** study the diversity and species delimitation of Rhizopus microsporus,48 isolates from the reference collection of the CBs-KNAW Fungal Biodiversity Centre,comprising nine environmental,ten clinical,and 23 foodborne strains,in addition to six strains from unknown sources and representing all existing varieties of the species,were *** diversity was based on the internal transcribed spacer(ITs),and on a part of the actin(ACT)and translation elongation factor 1-α(TEF)*** in physiological properties were assessed including temperature *** morphology was studied,mating type tests were performed,and MALDI-ToF profiles were *** and food-associated strains as well as members of different varieties mated successfully and consequently they belong to a single biological *** differences did not match with any other parameter *** on these results the varieties of Rhizopus microsporus are reduced to synonyms.

关键词： Rhizopus microsporus Phylogeny Taxonomy Physiology MALDI-ToF Mating type Foodborne fungi Medical mycology sporulation

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Extremotolerant rock inhabiting black fungi from Italian monumental sites

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Fungal Diversity 2016年第1期76卷 75-96页

作者： D.Isola L.Zucconi s.Onofri G.Caneva G.s.de hoog L.selbmann deB Universitàdegli Studi della TusciaLargo dell’UniversitàViterboItaly department of sciences UniversitàRoma TreViale Marconi 44600146 RomeItaly CBs-KNAW Fungal Biodiversity Centre Uppsalalaan 83584 CT UtrechtThe Netherlands

A wide sampling for isolating highly destructive and extremotolerant black fungi was performed from Italian monuments in selected historical sites which include the "Cortile della Pigna",Vatican Museum and the st Peter colonnade(Vatican City state),the monumental cemetery of Bonaria(Cagliari),and other monuments in the city of *** out of seventy-four strains isolated were identified basing on ITs Blastn *** on multilocus phylogeny and morphological data,one new genus and species Lithophila guttulata,five new species Knufia marmoricola,***,***,*** and Exophiala bonariae,order Chaetothyriales and one new genus and species,saxophila tyrrhenica,and two new species Vermiconia calcicola and devriesia sardiniae,order Capnodiales,were *** considerations are put forward.

关键词： Extremotolerance Monuments Microcolonial fungi Multilocus phylogeny

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Mountain tips as reservoirs for new rock-fungal entities: saxomyces gen. nov. and four new species from the Alps

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Fungal Diversity 2014年第2期65卷 167-182页

作者： L.selbmann D.Isola E.Egidi L.Zucconi C.Gueidan G.s.de hoog s.Onofri deB Universitàdegli Studi della TusciaLargo dell’UniversitàViterboItaly Division of Genomic&Microbial Diversity Department of Life SciencesNatural History MuseumCromwell roadSW75BD LondonUK CBs-KNAW Fungal Biodiversity Centre Uppsalalaan 83584 CT UtrechtThe Netherlands

As part of a worldwide sampling nine black fungi were isolated from rocks collected in four distinct sites of the Alps at high *** on a nucssU,nucLsU and mtssU multi-locus phylogeny,seven of them were found to cluster into a distinct and wellsupported clade in a basal position within the Class *** in other rock fungi these new groups of isolates were characterized by a meristematic growth and a scarcely differentiated morphology with highly melanized and thick-walled toruloid ***,few peculiar characters were also observed as convoluted hyphal tips and the production of spherical *** new genus and species saxomyces alpinus and ***,are here described based on morphological and molecular data,in a yet to be defined order of the *** remaining two black fungi clustered in Cryomyces,a genus previously exclusively found in rocks from the McMurdo Dry Valleys in *** two isolates were genetically distant from other Antarctic Cryomyces species based on ITs sequences,and they showed a peculiar morphology;they are here described as the new species *** and *** of our results on the evolution,adaptation and dispersal of rock-inhabiting fungi under extreme conditions are discussed.

关键词： Microcolonial fungi Dothideomycetes Extremotolerance Multilocus phylogeny

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Novel Phialophora species from leaf-cutting ants (tribe Attini)

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Fungal Diversity 2014年第2期65卷 65-75页

作者： D.Attili-Angelis A.P.M.Duarte F.C.Pagnocca N.s.Nagamoto M.de Vries J.B.stielow G.s.de hoog Center for the study of social Insects UNESP-São Paulo State UniversitySão PauloSPBrazil Division of Microbial Resources CPQBAUniversity of CampinasCampinasSPBrazil department of Plant Protection UNESP-São Paulo State UniversityBotucatuSPBrazil Centraalbureau voor schimmelcultures KNAW Fungal Biodiversity Centre UtrechtThe Netherlands Institute for Biodiversity and Ecosystem Dynamics University of AmsterdamAmsterdamThe Netherlands sun Yat-sen Memorial Hospital Sun Yat-sen UniversityGuangzhouChina Research Center for Medical Mycology Peking University Health Science CenterBeijingChina shanghai Institute of Medical Mycology Changzheng HospitalSecond Military Medical UniversityShanghaiChina Basic Pathology department Federal University of ParanáStateCuritibaParanáBrazil King Abdulaziz University JeddahSaudi Arabia

Ants in the tribe Attini(Hymenoptera,Formicidae)maintain a 50 million-year-old lifestyle of co-evolution with symbiotic basidiomycetous fungi which they cultivate as essential source of ***,other microorganisms have been reported from ant habitats indicating a higher diversity of consistently associated species than established to ***,black yeast-like fungi have been reported as a possible symbiont,like a competitor of the actinomycete bacteria that grow in the integument of the *** the mating season,gynes of Atta capiguara and *** were collected from nests located in Botucatu,sP,Brazil and sampled using flotation *** analysis based on ITs,partial 28s(LsU)andβ-tubulin sequences revealed the occurrence of two novel species of Phialophora among the melanized fungi isolated.

关键词： Black yeasts Chaetothyriales Gynes Phialophora Cyphellophora Atta Ant cuticle Neotropical fungal ecology

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Fungi between extremotolerance and opportunistic pathogenicity on humans

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Fungal Diversity 2018年第6期93卷 195-213页

作者： Cene Gostincar Janja Zajc Metka Lenassi Ana Plemenitas s.bren de hoog Abdullah M.s.Al-Hatmi Nina Gunde-Cimerman department of Biology Biotechnical FacultyUniversity of LjubljanaJamnikarjeva 1011000 LjubljanaSlovenia department of Molecular and Biomedical sciences Jozˇef Stefan InstituteJamova 391000 LjubljanaSlovenia National Institute of Biology Vecˇna pot 1111000 LjubljanaSlovenia Institute of Biochemistry Faculty of MedicineUniversity of LjubljanaVrazov trg 21000 LjubljanaSlovenia Westerdijk Fungal Biodiversity Institute UtrechtThe Netherlands Center of Expertise in Mycology of RadboudUMC/Canisius Wilhelmina Ziekenhuis NijmegenThe Netherlands Directorate General of Health services IbriOman

Numerous agents of infections in humans and other mammals are found among fungi that are able to survive extreme environmental conditions and to quickly adapt to novel ***,the relationship between opportunistic potential and polyextremotolerance was not yet studied systematically in ***,the link between polyextremotolerance and opportunistic pathogenicity is shown in a kingdom-wide phylogenetic analysis as a statistically significant co-occurrence of extremotolerance(*** and psychrotolerance)and opportunism at the level of fungal *** addition to extremotolerance,fungal opportunists share another characteristic—an apparent lack of specialised virulence *** is illustrated by a comparative genomic analysis of 20 dothideomycetous and eurotiomycetous black *** the genomes of specialised fungal plant pathogens were significantly enriched in known virulence-associated genes that encode secreted proteases,carbohydrate active enzyme families,polyketide synthases,and non-ribosomal peptide synthetases,no such signatures were observed in human *** the presented results have several *** infection of human hosts is a side effect of fungal stress tolerance and adaptability,the human body is most likely neither the preferred habitat of such species,nor important for their evolutionary *** defines opportunism as opposed to pathogenicity,where infection is advantageous for the species’*** opportunists are generally incapable of the host-to-host transmission,any host-specific adaptations are likely to be lost with the resolution of the infection,explaining the observed lack of specialised virulence *** this scenario opportunistic infections should be seen as an evolutionary dead end and unlikely to lead to true pathogenicity.

关键词： Virulence factor Extremotolerance stress tolerance Mycosis Opportunistic infection Black yeast

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