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seasonal variation and host sex affect bat–bat fly interaction networks in the Amazonian savannahs

Integrative Zoology 2024年第3期19卷 400-416页

作者： paulo MEJIA Gustavo Lima URBIETA Bruna da silva XAVIER IsaíJorge de CAsTRO JoséJúlio de TOLEDO Gustavo GRACIOLLI Lucio AndréVIANA DIAs William Douglas CARVALHO programa de pós-Graduação em Biodiversidade Tropical Universidade Federal do Amapá(UNIFAP)MacapáAPBrazil programa de pós-Graduação em Ecologia Instituto de BiologiaCentro de Ciências da SaúdeUniversidade Federal do Rio de Janeiro(UFRJ)Rio de JaneiroRJBrazil Laboratório de Mamíferos Instituto de Pesquisas Científicas e Tecnológicas do Estado do Amapá(IEPA)MacapáAPBrazil programa de pós-Graduação em Biologia Animal Laboratório de SistemáticaEcologia e Evolução(LSEE)Instituto de BiociênciasUniversidade Federal de Mato Grosso do Sul(UFMS)Campo GrandeMTBrazil Terrestrial Ecology Group(TEG-UAM) Departamento de EcologíaFacultad de CienciasUniversidad Autónoma de MadridMadridSpain Centro de Investigación en Biodiversidad y Cambio Global(CIBC-UAM) Universidad Autónoma de MadridMadridSpain

Bats are the second-most diverse group of mammals in the world,and bat flies are their main ***,significant knowledge gaps remain regarding these antagonistic interactions,especially since diverse factors such as seasonality and host sex can affect their network ***,we explore the influence of such factors by comparing species richness and composition of bat flies on host bats,as well as specialization and modularity of bat–bat fly interaction networks between seasons and adult host *** captured bats and collected their ectoparasitic flies at 10 sampling sites in the savannahs of Amapástate,northeastern region of the Brazilian *** female bats being more parasitized and recording greater bat fly species richness in the wet season,neither relationship was statistically *** pooled network could be divided into 15 compartments with 54 links,and all subnetworks comprised>12 *** total number of links ranged from 27 to 48(for the dry and wet seasons,respectively),and female and male subnetworks had 44 and 41 links,*** values were very low for the pooled network and for all *** results revealed higher bat fly species richness and abundance in the wet season,whereas specialization and modularity were higher in the dry ***,the subnetwork for female bats displayed higher specialization and modularity than the male ***,both seasonality and host sex contribute in different ways to bat–bat fly network *** studies should consider these factors when evaluating bat–bat fly interaction networks.

关键词： Amapá Amazon biome bat flies bats interaction networks

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determinant variables on the isotopic values of particulate organic matter in a neotropical floodplain

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Journal of Oceanology and Limnology 2024年第4期42卷 1173-1185页

作者： Vinícius de ANDRAde URBANO Matheus MAXIMILIAN RATZ sCOARIZE Gustavo HENRIQUE ZAIA ALVEs Driele deLANIRA-sANTOs Marcela da sILVA CAETANO Evanilde BENEDITO departamento de Biologia(DBI) Laboratório de Ecologia EnergéticaUniversidade Estadual de Maringá(UEM)Maringá87020-900Brasil programa de pós-graduação em Ecologia de Ambientes Aquáticos Continentais(pEA) Universidade Estadual de Maringá(UEM)Maringá87020-900Brasil departamento de Biologia Geral Universidade Estadual de Ponta Grossa(UEPG)Campus UvaranasPonta Grossa 84030-900Brasil Australian Rivers Institute(ARI) Griffith UniversityNathan QLD 4111Australia

particulate organic matter(pOM)is an important energy source for aquatic consumers,understanding its origin and composition is essential for understanding the energetic dynamics of aquatic *** aim of this study was to analyze the relationship between pOM and phytoplankton(isotopic values and chlorophyll concentration)and abiotic variables during dry and rainy *** was conducted in rivers and lagoons in the floodplain of the Upper paraná*** found a greater difference in ^(δ13)C values of pOM between sampling points than between seasons,indicating that the composition of regional sources influences the composition of pOM more than dry and rainy *** addition,the concentration of chlorophyll during the dry season was positively correlated with ^(δ13)C values during that rainy ***,we found a relationship between factors limiting the growth of phytoplankton and ^(δ13)C values of pOM,such as phosphate ions,indicating that variables that regulate phytoplankton growth tend to influence the composition of pOM in river ***,maintaining the variables that regulate the phytoplankton community is of fundamental importance for the composition of pOM,an important energy source in aquatic environments.

关键词： freshwater wetland stable isotopes food web subtropical environment

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Litter production and leaf nutrient concentration and remobilization in response to climate seasonality in the central Amazon

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Journal of Forestry Research 2024年第3期35卷 131-141页

作者： Ricardo Antonio Marenco saul Alfredo Antezana-Vera Daniela pereira Dias Luiz Antonio Candido Instituto Nacional de pesquisas da Amazonia Coordenagao de Uso da Terra e Mudanca ClimaticaAv.Andre Araujo 2936ManausAM69067-375Brazil programa de pos-Graduagao em Agricultura no Tropico Umido Instituto Nacional de Pesquisas da Amazonia-INPAManausAMBrazil Unidade Academica de Ciencias Agrarias Universidade Federal de JataiBR 364km 195JataiGO 75801-615Brazil

Litterfall is the largest source of nutrients to for-est soils of tropical ***,variability in lit-terfall production,nutrient remobilization,and changes in leaf nutrient concentration with climate seasonality remain largely unknown for the central *** study meas-ured litterfall production,leaf nutrient remobilization,and leaf area index on a forest plateau in the central *** was measured at monthly intervals during 2014,while nitrogen,phosphorus,potassium,calcium and mag-nesium concentrations of leaf litter and canopy leaves were measured in the dry and rainy seasons,and remobilization rates *** area index was also recorded in the dry and rainy *** litterfall varied from 33.2(in the rainy season)to 87.6 g m^(-2) in the dry season,while leaf area index increased slightly in the rainy *** seasonality had no effect on concentrations of nitrogen,calcium,and magnesium,whereas phosphorous and potassium responded to rainfall seasonality *** phosphorous increased,potassium decreased during the dry *** seasons,nitrogen,potassium,and phosphorous decreased in leaf litter;calcium increased in leaf litter,while magnesium remained unaffected with leaf ***,the five nutrients had similar remobilization rates over the *** absence of climate seasonality on nutrient remobilization suggests that the current length of the dry season does not alter nutrient remobilization rates but this may change as dry periods become more prolonged in the future due to climate change.

关键词： Throughfall Nutrient cycling Climatic seasonality Leaf mass per area

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Opposite latitudinal gradients for species richness and phylogenetic diversity of endemic snakes in the Atlantic Forest

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Current Zoology 2024年第4期70卷 522-530页

作者： JoséThales da Motta portillo JosuéAnderson Rēgo Azevedo Fausto Erritto Barbo Ricardo J.sawaya programa de pos-graduacao em Biologia Animal Instituto de BiocienciasLetras e Ciencias ExatasUniversidade Estadual Paulista"Julio de Mesquita Filho"Rua Cristovao Colombo2265Sao Josédo Rio PretoSao Paulo 15054-000Brazil programa de Colecoes Cientificas Biologicas Coordenagao de BiodiversidadeInstituto Nacional de Pesquisas da AmazoniaAvenida AndréAraujo2936ManausAmazonas 69067-375Brazil Gothenburg Global Biodiversity Centre University of GothenburgBox 461GothenburgVastra Gotaland SE-40530Sweden Instituto Federal de Educacao Ciencia e Tecnologia de Minas GeraisRodovia Machado-Paraguacukm 3MachadoMinas Gerais 37750-000Rraizil Centro de Ciencias Naturais e Humanas UniversidadeFederaldo ABCRua Arcturus03Sao Bernardo do CampoSao Paulo09606-070Brazil

The decrease in species richness toward higher latitudes is an expected biogeographical *** pattern could be related to particular envi-ronmental constraints and the evolutionary history of ***,species richness does not fully represent the evolutionary history of the clades behind their *** diversity better clarifies the role of historical factors in biogeographical *** analyzed envi-ronmental and historical drivers related to latitudinal variation in species richness and phylogenetic diversity of Atlantic Forest endemic *** implemented species distribution models,from voucherbased locality points,to map the snake ranges and *** used generalized additive mixed models to evaluate the relationships among the diversity metrics and area,topographical roughness,and past climate change velocity since the Last Maximum Glacial in the Atlantic Forest latitudinal *** to the expected general pattern,species richness was higher toward higher latitudes,being positively related to past climatic *** richness also increased with total area and higher topographical *** diversity,on the other hand,showed opposite relationships related to the same *** diversity increased with lower climatic stability in lower ***,dimensions of diversity were affected in different ways by historical and environmental constraints in this unique and threatened biodiversity hotspot.

关键词： biodiversity latitudinal gradient neotropical region phylogenetic diversity serpents species richness.

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Arlenea delicata *** ***.,a new ephedroid plant from the Early Cretaceous Crato Formation,Araripe Basin,Northeast Brazil

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plant Diversity 2024年第3期46卷 362-371页

作者： Alita Maria Neves Ribeiro Yong Yang Antonio Alamo Feitosa saraiva Renan Alfredo Machado Bantim Joao Tavares Calixto Junior Flaviana Jorge de Lima programa de pos-Graduaçao em Diversidade Biologica e Recursos Naturais Universidade Regional do CaririRua Carolino SucupiraPimenta63105-160CratoCearaBrazil Co-Innovation Center for sustainable Forestry in southern China College of Biology and the Environment159 Longpan RoadNanjing Forestry UniversityNanjing210037China Laboratorio de paleontologia Universidade Regional do CaririRua Carolino SucupiraPimenta63105-160CratoCearaBrazil Laboratorio de Estudos da Flora Regional Universidade Regional do CaririRua Carolino SucupiraPimenta63105-160CratoCearaBrazil Gondwanan plants Lab Universidade Federal de PernambucoCentro Academico de VitoriaRua Do Alto Reservatorio S/nBela Vista55608-680Vitoria de Santo AntaoPernambucoBrazil programa de pos-Graduaçao em Geociencias(ppGEOC) Universidade Federal de Pernambuco(UFPE)Rua Av.da ArquiteturaS/n°CEP-50740-550Cidade UniversitariaRecifePernambucoBrazil

Ephedroid macrofossils have been widely documented in Cretaceous deposits,including numerous from the Lower Cretaceous Yixian Formation of NE ***,few ephedroid macrofossils have been reported from south ***,we describe a new plant of the family Ephedraceae,Arlenea delicata *** ***.,from the Lower Cretaceous Crato Formation of the Araripe Basin,Northeast Brazil,based on the vegetative and reproductive *** has the typical morphological characteristics of ephedroid plants,including fertile reproductive branches,opposite phyllotaxy,terminal female cones,a sympodial branching system,longitudinally striated internodes,and swollen *** new finding is unusual in having inner chlamydosperms subtended by two pairs of bracts,reproductive units connected to branches through swollen receptacles and a smooth seed *** new ephedroid taxon from the Crato Formation increases our understanding of plant diversity of this group during the Early ***,the general morphology(fleshy bracts and enlarged receptacles)of this new fossil discovery indicates that seeds of this plant may have been dispersed by animals such as pterosaurs(mainly the Tapejaridae)and birds(Enantiornithes and Ornituromorpha).If true,this would explain the cosmopolitan distribution of Ephedraceae in the Lower Cretaceous.

关键词： Early Cretaceous Gnetophytes Arlenea delicata Ephedrales Crato Formation

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Floristic composition and edaphic relationships in ferruginous campo rupestre reference ecosystems

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Journal of Mountain science 2024年第3期21卷 719-733页

作者： G.Wilson FERNANdes Letícia RAMOs Dario C.pAIVA Jéssica CUNHA-BLUM Vanessa Matos GOMEs Daniel NEGREIROs Ecologia Evolutiva&Biodiversidade Departamento de GenéticaEcologia e Evolução/ICBUniversidade Federal de Minas Gerais31270-901Belo HorizonteMGBrazil Knowledge Center for Biodiversity 31270-901Belo HorizonteMGBrazil department of Biological sciences Institute of EnvironmentFlorida International UniversityMiamiFL 33199USA programa de pós Graduação em Biodiversidade e Uso dos Recursos Naturais Universidade Estadual de Montes ClarosMontes ClarosMGBrazil Laboratório de Estudo das Relações solo-planta Departamento de SolosUniversidade Federal Rural do Rio de JaneiroSeropédicaRGBrazil

Land use change and occupation have led to modifications in the environment causing loss of biodiversity and ecosystem services throughout the *** environments with high economic relevance,such as the ferruginous campo rupestre(rupestrian grassland known as Canga in Brazil),are even more susceptible to severe impacts due to their extreme habitat conditions and low *** determination of reference ecosystems based on the intrinsic characteristics of the ecosystem is essential for conservation as well as to the implementation of ecological *** proposed the reference ecosystem of the three main types of habitats of the ferruginous campo rupestre based on their floristic *** described the floristic composition of each habitat and evaluated the physicochemical properties of the soils and the relationship between plants and *** three habitats showed high diversity of plant species and many endemic species,such as Chamaecrista choriophylla,Cuphea pseudovaccinium,Lychnophora pinaster,and Vellozia *** distribution of vegetation was strongly related with the edaphic characteristics,with a set of species more adapted to high concentration of base saturation,fine sand,organic carbon,and iron,while another set of species succeeded in more acidic soils with higher s and silt *** provide support for the contention that the ferruginous campo rupestre is a mosaic of different habitats shaped by intrinsic local *** to recognize the floristic composition of each particular habitat can lead to inappropriate restoration,increased habitat homogenization and increased loss of biodiversity and ecosystem *** study also advances the knowledge base for building the reference ecosystem for the different types of ferruginous campo rupestre habitats,as well as a key database for highlighting those species contribute most to community assembly in this diverse and threatened tropical mountain ecosystem.

关键词： Canga Ecological restoration Extreme ecosystem Non-forest ecosystems Rupestrian grassland Taxon environment relationships

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Long chikungunya?An overview to immunopathology of persistent arthralgia

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World Journal of Virology 2024年第2期13卷 48-57页

作者： Jayme Euclydes picasky silveira-Freitas Maria Luiza Campagnolo Mariana dos santos Cortez Fabrício Freire de Melo Ana Carla Zarpelon-schutz Kádima Nayara Teixeira Campus Toledo Universidade Federal do ParanáToledoParaná85919-899Brazil Instituto Multidisciplinar em saúde Universidade Federal da BahiaCampus Anísio TeixeiraVitória da ConquistaBahia 45029-094Brazil programa de pós-graduação em Biotecnologia PalotinaUniversidade Federal do Paraná-Setor PalotinaParaná85950-000Brazil programa Multicêntrico de pós-graduação em Bioquímica e Biologia Molecular PalotinaUniversidade Federal do Paraná-Setor PalotinaParaná85950-000Brazil

Chikungunya fever(CF)is caused by an arbovirus whose manifestations are extremely diverse,and it has evolved with significant severity in recent *** clinical signs triggered by the Chikungunya virus are similar to those of other ***,fever starts abruptly and reaches high levels,followed by severe polyarthralgia and myalgia,as well as an erythematous or petechial maculopapular rash,varying in severity and *** 40%to 60%of affected individuals report persistent arthralgia,which can last from months to *** symptoms of CF mainly represent the tissue tropism of the virus rather than the immunopathogenesis triggered by the host's immune *** main mechanisms associated with arthralgia have been linked to an increase in T helper type 17 cells and a consequent increase in receptor activator of nuclear factor kappa-Βligand and bone *** review suggests that persistent arthralgia results from the presence of viral antigens post-infection and the constant activation of signaling lymphocytic activation molecule family member 7 in synovial macrophages,leading to local infiltration of CD4+T cells,which sustains the inflammatory process in the joints through the secretion of pro-inflammatory *** term"long chikungunya"was used in this review to refer to persistent arthralgia since,due to its manifestation over long periods after the end of the viral infection,this clinical condition seems to be characterized more as a sequel than as a symptom,given that there is no active infection involved.

关键词： Chikungunya Immunopathology Inflammation process persistent arthralgia signaling lymphocytic activation molecule family member 7

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Effect of biochar on the metabolome of soybean seedlings

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Oil Crop science 2024年第1期9卷 60-68页

作者： Nathalia E.silva Mariana G.Aguilar Osania E.Ferreira Gleicia M.paulino Jaqueline C.L.Carvalho Lúcia p.s.pimenta Alan R.T.Machado programa de pos-graduaçao em Ciencias Ambientais Universidade do Estado de Minas GeraisFrutalMinas Gerais38202-436Brazil departamento de Química Universidade Federal de Minas GeraisMinas GeraisBelo Horizonte31270-901Brazil departamento de Engenharia Aplicada e Tecnologias Ambientais Universidade do Estado de Minas GeraisJoao MonlevadeMinas Gerais35930-314Brazil departamento de Ciencias Exatas Universidade do Estado de Minas GeraisJoao MonlevadeMinas Gerais35930-314Brazil

The use of biochar can have several effects on plant germination,depending on raw material,preparation method and application ***,the molecular mechanisms that lead to those results have yet to be *** aim of this research was to improve the understanding of these mechanisms by characterizing the metabolic effects of sugarcane bagasse biochar on soybean *** types of biochars were prepared by pyrolysis at 300℃(sCB300),400℃(sCB400)and 600℃(sCB600).Then,each one was mixed into sand at 1%,3%,5%(w/w)dose,*** experiment was performed in 8 days of incubation,when the number of germinated seeds and the average radicle length were *** evaluate the metabolome,the dry biomass(DB)was subjected to extraction with a mixture of methanol-d4 and D2O(1:1 v/v).The extracts were submitted to metabolomics analysis by proton Nuclear Magnetic *** Relative Germination,Relative Average Radicle Growth and Germination Index increased in all treatments compared to *** the other hand,the DB increased in all treatments,except for sCB300,at doses of 1%and 3%w/*** metabolites(alanine,asparagine,acetic acid,citric acid,glycerol,fatty acids and sucrose)were identified and quantified in DB extracts as the most influential finding for the separation of *** together,these results strongly suggested that biochars accelerated the catabolism of triacylglycerols to sucrose and induced a slight osmotic stress.

关键词： Germination Metabolomics 1H NMR pyrolysis sugarcane bagasse

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In silico prospective analysis of the medicinal plants activity on the CagA oncoprotein from Helicobacter pylori

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World Journal of Clinical Oncology 2024年第5期15卷 653-663页

作者： Rafaela Viana Vieira Gabrielle Caroline peiter Fabrício Freire de Melo Ana Carla Zarpelon-schutz Kádima Nayara Teixeira Universidade Federal do paraná Campus ToledoToledo 85919-899Brazil Universidade Tecnológica Federal do paraná Campus ToledoParaná85902-490Brazil Universidade Federal da Bahia Instituto Multidisciplinar em Saúde-Campus Anísio TeixeiraVitória da Conquista 45029-094Brazil Universidade Federal do paraná-setor palotina Programa de Pós-graduação em BiotecnologiaPalotina 85950-000Brazil

BACKGROUND Colonization with Helicobacter pylori(***)has a strong correlation with gastric cancer,and the virulence factor CagA is implicated in *** have been conducted using medicinal plants with the aim of eliminating the pathogen;however,the possibility of blocking ***-induced cell differentiation to prevent the onset and/or progression of tumors has not been *** type of study is expensive and time-consuming,requiring in vitro and/or in vivo tests,which can be solved using ***,prospective computational analyses were conducted to assess the feasibility of interaction between phenolic compounds from medicinal plants and the CagA *** To perform a computational prospecting of the interactions between phenolic compounds from medicinal plants and the CagA oncoprotein of *** In this in silico study,the structures of the phenolic compounds(ligands)kaempferol,myricetin,quercetin,ponciretin(flavonoids),and chlorogenic acid(phenolic acid)were selected from the pubChem *** phenolic compounds were chosen based on previous studies that suggested medicinal plants as non-drug treatments to eliminate *** *** three-dimensional structure model of the CagA oncoprotein of ***(receptor)was obtained through molecular modeling using computational tools from the I-Tasser platform,employing the threading *** primary sequence of CagA was sourced from GenBank(BAK52797.1).A screening was conducted to identify binding sites in the structure of the CagA oncoprotein that could potentially interact with the ligands,utilizing the GRasp online *** the ligands and receptor were prepared for molecular docking using AutoDock Tools 4(ADT)software,and the simulations were carried out using a combination of ADT and AutoDock Vina v.1.2.0 *** sets of simulations were performed:One involving the central region of CagA with phenolic compounds,and another involvi

关键词： CagA oncoprotein phenolic compounds Helicobacter pylori In silico analyses Medicinal plants prospective analysis

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Anti-inflammatory and antinociceptive activities of Rhipicephalus microplus saliva

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Asian pacific Journal of Tropical Biomedicine 2018年第4期8卷 194-200页

作者： DF.Buccini AA.Nunes GGO.silva ON.silva OL.Franco sE.Moreno programa de pos-graduacao em Biotecnologia e Biodiversidade Universidade Federal do Mato Grosso do Sul s-Inova Biotech programa de pos-graduacao em Biotecnologia Universidade Catolica Dom Bosco programa de pos-graduacao em patologia Molecular Universidade de Brasilia Centro de Analises proteomicas e Bioquimicas Programa de Pos-Graduacao em Ciencias Genomicas e Biotecnologia Universidade Catolica de Brasilia

To evaluate the antinociceptive and anti-inflammatory activities and the toxic effects of Rlhipicephalus microplus saliva for elucidating the modulation mechanism between arthropod saliva and ***:For saliva collection,engorged ticks were obtained from a controlled bovine infestation and collected by natural *** ticks were fixed and injected pilocarpine 0.2%for induction of *** was collected,lyophilized and stored at-80℃.Cytotoxic activity was assessed by the hemolysis method(25,50,100,200 and 300μg/mL)and MTT cell viability assay(2.5,5,10,20 and 40μg/mL)for 24,48 and 72 ***-inflammatory activity was evaluated using the method of neutrophil migration to the peritoneal cavity of mice at doses of l0,15 and 20 mg/kg;antinociceptive activity was assessed using the acetic acid-induced writhing test,and formalin-induced paw-licking in mice at dose of 15 mg/***:saliva did not cause erythrocytes hemolysis at any concentration tested,as well as did not decrease cell viability in the MTT *** inhibited neutrophil migration by 87%and 73%at doses of l5 and 20 mg/kg,*** the nociceptive tests,saliva presented analgesic activity of69.96%in the abdominal writhing test,and of 84.41%in the formalin *** study proves that Rlhipiceplhalus microplus saliva has significant in vivo anti-inflammatory and antinociceptive *** data presented herein support the development of further studies to elucidate the active principles of Rhipicephalus microplus saliva and its mechanism of action and,in future,to develop novel anti-inflammatory and analgesic drugs.

关键词： Rhipicephalus microplus saliva Tick Antinociceptive Anti-inflammatory

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