Base de dados : MEDLINE
Pesquisa : Z01.639.520.200 [Categoria DeCS]
Referências encontradas : 252 [refinar]
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  1 / 252 MEDLINE  
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[PMID]:28732006
[Au] Autor:Métras R; Fournié G; Dommergues L; Camacho A; Cavalerie L; Mérot P; Keeling MJ; Cêtre-Sossah C; Cardinale E; Edmunds WJ
[Ad] Endereço:Centre for the Mathematical Modelling of Infectious Diseases, Department of Infectious Disease Epidemiology, London School of Hygiene & Tropical Medicine, London, United Kingdom.
[Ti] Título:Drivers for Rift Valley fever emergence in Mayotte: A Bayesian modelling approach.
[So] Source:PLoS Negl Trop Dis;11(7):e0005767, 2017 Jul.
[Is] ISSN:1935-2735
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Rift Valley fever (RVF) is a major zoonotic and arboviral hemorrhagic fever. The conditions leading to RVF epidemics are still unclear, and the relative role of climatic and anthropogenic factors may vary between ecosystems. Here, we estimate the most likely scenario that led to RVF emergence on the island of Mayotte, following the 2006-2007 African epidemic. We developed the first mathematical model for RVF that accounts for climate, animal imports and livestock susceptibility, which is fitted to a 12-years dataset. RVF emergence was found to be triggered by the import of infectious animals, whilst transmissibility was approximated as a linear or exponential function of vegetation density. Model forecasts indicated a very low probability of virus endemicity in 2017, and therefore of re-emergence in a closed system (i.e. without import of infected animals). However, the very high proportion of naive animals reached in 2016 implies that the island remains vulnerable to the import of infectious animals. We recommend reinforcing surveillance in livestock, should RVF be reported is neighbouring territories. Our model should be tested elsewhere, with ecosystem-specific data.
[Mh] Termos MeSH primário: Gado/virologia
Modelos Teóricos
Febre do Vale de Rift/epidemiologia
Febre do Vale de Rift/transmissão
Vírus da Febre do Vale do Rift/isolamento & purificação
[Mh] Termos MeSH secundário: Animais
Teorema de Bayes
Comores/epidemiologia
Epidemias/estatística & dados numéricos
Seres Humanos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170813
[Lr] Data última revisão:
170813
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170722
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pntd.0005767


  2 / 252 MEDLINE  
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[PMID]:28437185
[Au] Autor:Métras R; Dommergues L; Ortiz K; Pannequin M; Schuler C; Roux P; Edmunds JW; Keeling MJ; Cêtre-Sossah C; Cardinale E
[Ad] Endereço:1 Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine , London, United Kingdom .
[Ti] Título:Absence of Evidence of Rift Valley Fever Infection in Eulemur fulvus (Brown Lemur) in Mayotte During an Interepidemic Period.
[So] Source:Vector Borne Zoonotic Dis;17(5):358-360, 2017 May.
[Is] ISSN:1557-7759
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The potential role of Eulemur fulvus (brown lemur) in the epidemiology of Rift Valley fever (RVF) in Mayotte, during an interepidemic period, was explored. In February and March 2016, 72 animals were blood sampled and tested for RVF. No evidence of RVF genome or antibodies was found in the samples. The role of other wild mammals on the island should, however, be further investigated.
[Mh] Termos MeSH primário: Lemuridae/sangue
Febre do Vale de Rift/epidemiologia
[Mh] Termos MeSH secundário: Animais
Anticorpos Antivirais/sangue
Comores/epidemiologia
Febre do Vale de Rift/sangue
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antibodies, Viral)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170915
[Lr] Data última revisão:
170915
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170425
[St] Status:MEDLINE
[do] DOI:10.1089/vbz.2016.2079


  3 / 252 MEDLINE  
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[PMID]:28070004
[Au] Autor:Diallo A; Michaud C; Tabibou S; Raz M; Fernandez C; Lepidi H; Fournier PE; Stein A; Ranque S; Seng P
[Ad] Endereço:Service de Médecine Polyvalente, Centre Hospitalier de Mayotte, Mamoudzou, Mayotte.
[Ti] Título: Arthritis and Osteomyelitis.
[So] Source:Am J Trop Med Hyg;96(3):698-700, 2017 Mar.
[Is] ISSN:1476-1645
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Abstract is the only species in the genus that has been involved in a previous human infection. To date, only one case of infection in a patient with GATA-2 immunodeficiency has been reported. We here report the second human case and the first case of septic arthritis and osteomyelitis due to in an immunocompetent patient, living in Mayotte, a French island in western Indian Ocean. He was successfully treated with surgical debridement and 6 months of antifungal treatment. This second observation of human invasive disease caused by is an additional argument for the pathogenicity of this rare species.
[Mh] Termos MeSH primário: Artrite Infecciosa/diagnóstico
Ascomicetos/isolamento & purificação
Osteomielite/diagnóstico
[Mh] Termos MeSH secundário: Antifúngicos/uso terapêutico
Artrite Infecciosa/microbiologia
Artrite Infecciosa/terapia
Comores
Fator de Transcrição GATA2/genética
Seres Humanos
Masculino
Meia-Idade
Osteomielite/microbiologia
Osteomielite/terapia
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antifungal Agents); 0 (GATA2 Transcription Factor); 0 (GATA2 protein, human)
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170731
[Lr] Data última revisão:
170731
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:170111
[St] Status:MEDLINE
[do] DOI:10.4269/ajtmh.16-0185


  4 / 252 MEDLINE  
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[PMID]:28045976
[Au] Autor:Leboulanger C; Agogué H; Bernard C; Bouvy M; Carré C; Cellamare M; Duval C; Fouilland E; Got P; Intertaglia L; Lavergne C; Le Floc'h E; Roques C; Sarazin G
[Ad] Endereço:UMR MARBEC, Institut de Recherche pour le Développement, Sète-Montpellier, France.
[Ti] Título:Microbial Diversity and Cyanobacterial Production in Dziani Dzaha Crater Lake, a Unique Tropical Thalassohaline Environment.
[So] Source:PLoS One;12(1):e0168879, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:This study describes, for the first time, the water chemistry and microbial diversity in Dziani Dzaha, a tropical crater lake located on Mayotte Island (Comoros archipelago, Western Indian Ocean). The lake water had a high level of dissolved matter and high alkalinity (10.6-14.5 g L-1 eq. CO32-, i.e. 160-220 mM compare to around 2-2.5 in seawater), with salinity up to 52 psu, 1.5 higher than seawater. Hierarchical clustering discriminated Dziani Dzaha water from other alkaline, saline lakes, highlighting its thalassohaline nature. The phytoplankton biomass was very high, with a total chlorophyll a concentration of 524 to 875 µg chl a L-1 depending on the survey, homogeneously distributed from surface to bottom (4 m). Throughout the whole water column the photosynthetic biomass was dominated (>97% of total biovolume) by the filamentous cyanobacteria Arthrospira sp. with a straight morphotype. In situ daily photosynthetic oxygen production ranged from 17.3 to 22.2 g O2 m-2 d-1, consistent with experimental production / irradiance measurements and modeling. Heterotrophic bacterioplankton was extremely abundant, with cell densities up to 1.5 108 cells mL-1 in the whole water column. Isolation and culture of 59 Eubacteria strains revealed the prevalence of alkaliphilic and halophilic organisms together with taxa unknown to date, based on 16S rRNA gene analysis. A single cloning-sequencing approach using archaeal 16S rDNA gene primers unveiled the presence of diverse extremophilic Euryarchaeota. The water chemistry of Dziani Dzaha Lake supports the hypothesis that it was derived from seawater and strongly modified by geological conditions and microbial activities that increased the alkalinity. Dziani Dzaha has a unique consortium of cyanobacteria, phytoplankton, heterotrophic Eubacteria and Archaea, with very few unicellular protozoa, that will deserve further deep analysis to unravel its uncommon diversity. A single taxon, belonging to the genus Arthrospira, was found responsible for almost all photosynthetic primary production.
[Mh] Termos MeSH primário: Biodiversidade
Cianobactérias
Lagos/microbiologia
Microbiologia da Água
[Mh] Termos MeSH secundário: Biomassa
Carbono/química
Clorofila/metabolismo
Análise por Conglomerados
Comores
Geografia
Concentração de Íons de Hidrogênio
Ilhas
Modelos Estatísticos
Nitrogênio/química
Oxigênio/análise
Oxigênio/química
Fotossíntese
Fitoplâncton
Análise de Componente Principal
RNA Ribossômico 16S/metabolismo
Temperatura Ambiente
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (RNA, Ribosomal, 16S); 1406-65-1 (Chlorophyll); 7440-44-0 (Carbon); N762921K75 (Nitrogen); S88TT14065 (Oxygen); YF5Q9EJC8Y (chlorophyll a)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170906
[Lr] Data última revisão:
170906
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170104
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0168879


  5 / 252 MEDLINE  
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[PMID]:27697613
[Au] Autor:Desclaux A; Receveur MC; Lechot A; Le Bail B; Malvy D
[Ad] Endereço:Service des Maladies Infectieuses et Tropicales, Groupe Hospitalier Pellegrin, Place Amélie Raba-Léon, 33076 Bordeaux Cedex, France. Electronic address: arnaud.desclaux@chu-bordeaux.fr.
[Ti] Título:Swelling of the nose and upper lip in a young patient from the Comoro islands.
[So] Source:Travel Med Infect Dis;15:84-85, 2017 Jan - Feb.
[Is] ISSN:1873-0442
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Mh] Termos MeSH primário: Conidiobolus/isolamento & purificação
Dermatomicoses
Lábio
Nariz
Infecções dos Tecidos Moles
Zigomicose
[Mh] Termos MeSH secundário: Adulto
Antifúngicos/uso terapêutico
Comores
Seres Humanos
Lábio/diagnóstico por imagem
Lábio/microbiologia
Lábio/patologia
Masculino
Nariz/diagnóstico por imagem
Nariz/microbiologia
Nariz/patologia
Adulto Jovem
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antifungal Agents)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171024
[Lr] Data última revisão:
171024
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161005
[St] Status:MEDLINE


  6 / 252 MEDLINE  
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[PMID]:27671223
[Au] Autor:Sicras-Mainar A; Rejas-Gutiérrez J; Pérez-Páramo M; Navarro-Artieda R
[Ad] Endereço:Vicenç Papaciet Primary Care Centre (CAP), La Roca del Vallès, Barcelona, Spain.
[Ti] Título:Cost of treatment of peripheral neuropathic pain with pregabalin or gabapentin in routine clinical practice: impact of their loss of exclusivity.
[So] Source:J Eval Clin Pract;23(2):402-412, 2017 Apr.
[Is] ISSN:1365-2753
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:To analyze the effect of loss of exclusivity of data on the cost of treatment of peripheral neuropathic pain (PNP) with pregabalin or gabapentin in routine clinical practice. A retrospective observational study, with electronic medical records for patients enrolled at primary care centers managed by the health care provider Badalona Serveis Assistencials, who initiated treatment of PNP with pregabalin or gabapentin. The analysis used drugs and resources prices for year 2015. The 1163 electronic medical records (pregabalin; N = 764, gabapentin; N = 399) for patients (62.2% women) with a mean (standard deviation) age of 59.2 (14.7) years were analyzed. Treatment duration was slightly shorter with pregabalin than with gabapentin (5.2 vs 5.5 months; P = 0.124), with mean doses of 227.4 (178.6) mg and 900.0 (443.4) mg, respectively. The average study drug cost per patient was higher for pregabalin than for gabapentin; €214.6 (206.3) vs €157.4 (181.9), P < 0.001, although the cost of concomitant analgesic medication was lower; €176.5 (271.8) vs €306.7 (529.2), P < 0.001. The adjusted average total cost per patient was lower in those treated with pregabalin than in those treated with gabapentin; €2,413 (2119-2708) vs €3201 (2806-3.597); P = 0.002, owing to significantly lower health care costs; €1307 (1247-1367) vs €1538 (1458-1618), P < 0.001, and also non-health care costs; €1106 (819-1393) vs €1663 (1279-2048), P = 0.023, that was caused by a significantly lower use of concomitant medication, fewer medical visits to primary care, and fewer days of sick leave. After loss of exclusivity of both drugs, pregabalin continued to show lower health care and non-health care costs than gabapentin in the treatment of PNP in routine clinical practice.
[Mh] Termos MeSH primário: Aminas/economia
Analgésicos/economia
Ácidos Cicloexanocarboxílicos/economia
Neuralgia/economia
Pregabalina/economia
Ácido gama-Aminobutírico/economia
[Mh] Termos MeSH secundário: Adulto
Idoso
Aminas/uso terapêutico
Analgésicos/uso terapêutico
Comores
Ácidos Cicloexanocarboxílicos/uso terapêutico
Registros Eletrônicos de Saúde/estatística & dados numéricos
Feminino
Gastos em Saúde/estatística & dados numéricos
Serviços de Saúde/economia
Serviços de Saúde/utilização
Seres Humanos
Masculino
Meia-Idade
Neuralgia/tratamento farmacológico
Pregabalina/uso terapêutico
Atenção Primária à Saúde/estatística & dados numéricos
Estudos Retrospectivos
Índice de Gravidade de Doença
Fatores Socioeconômicos
Espanha
Ácido gama-Aminobutírico/uso terapêutico
[Pt] Tipo de publicação:JOURNAL ARTICLE; OBSERVATIONAL STUDY
[Nm] Nome de substância:
0 (Amines); 0 (Analgesics); 0 (Cyclohexanecarboxylic Acids); 55JG375S6M (Pregabalin); 56-12-2 (gamma-Aminobutyric Acid); 6CW7F3G59X (gabapentin)
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171023
[Lr] Data última revisão:
171023
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160928
[St] Status:MEDLINE
[do] DOI:10.1111/jep.12634


  7 / 252 MEDLINE  
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[PMID]:27560369
[Au] Autor:Yassin A
[Ad] Endereço:a Laboratory of Genetics , University of Wisconsin-Madison , Madison , WI , USA.
[Ti] Título:Drosophila yakuba mayottensis, a new model for the study of incipient ecological speciation.
[So] Source:Fly (Austin);11(1):37-45, 2017 Jan 02.
[Is] ISSN:1933-6942
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:A full understanding of how ecological factors drive the fixation of genetic changes during speciation is obscured by the lack of appropriate models with clear natural history and powerful genetic toolkits. In a recent study, we described an early stage of ecological speciation in a population of the generalist species Drosophila yakuba (melanogaster subgroup) on the island of Mayotte (Indian Ocean). On this island, flies are strongly associated with the toxic fruits of noni (Morinda citrifolia) and show a partial degree of pre-zygotic reproductive isolation. Here, I mine the nuclear and mitochondrial genomes and provide a full morphological description of this population. Only 29 nuclear sites (< 4 × 10 of the genome) are fixed in this population and absent from 3 mainland populations and the closest relative D. santomea, but no mitochondrial or morphological character distinguish Mayotte flies from the mainland. This result indicates that physiological and behavioral traits may evolve faster than morphology at the early stages of speciation. Based on these differences, the Mayotte population is designated as a new subspecies, Drosophila yakuba mayottensis subsp. nov., and its strong potential in understanding the genetics of speciation and plant-insect interactions is discussed.
[Mh] Termos MeSH primário: Drosophila/classificação
Drosophila/genética
Especiação Genética
[Mh] Termos MeSH secundário: Adaptação Biológica
Animais
Comores
DNA Mitocondrial
Drosophila/fisiologia
Ecologia
Variação Genética
Genoma Mitocondrial
Isolamento Reprodutivo
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Mitochondrial)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170929
[Lr] Data última revisão:
170929
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160826
[St] Status:MEDLINE
[do] DOI:10.1080/19336934.2016.1221550


  8 / 252 MEDLINE  
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[PMID]:27977670
[Au] Autor:Dellagi K; Salez N; Maquart M; Larrieu S; Yssouf A; Silaï R; Leparc-Goffart I; Tortosa P; de Lamballerie X
[Ad] Endereço:Centre de Recherche et de Veille sur les Maladies Emergentes dans l'Océan Indien, (CRVOI) Plateforme de Recherche CYROI, Sainte Clotilde, Reunion Island, France.
[Ti] Título:Serological Evidence of Contrasted Exposure to Arboviral Infections between Islands of the Union of Comoros (Indian Ocean).
[So] Source:PLoS Negl Trop Dis;10(12):e0004840, 2016 Dec.
[Is] ISSN:1935-2735
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:A cross sectional serological survey of arboviral infections in humans was conducted on the three islands of the Union of Comoros, Indian Ocean, in order to test a previously suggested contrasted exposure of the three neighboring islands to arthropod-borne epidemics. Four hundred human sera were collected on Ngazidja (Grande Comore), Mwali (Mohéli) and Ndzouani (Anjouan), and were tested by ELISA for IgM and/or IgG antibodies to Dengue (DENV), Chikungunya (CHIKV), Rift Valley fever (RVFV), West Nile (WNV), Tick borne encephalitis (TBEV) and Yellow fever (YFV) viruses and for neutralizing antibodies to DENV serotypes 1-4. Very few sera were positive for IgM antibodies to the tested viruses indicating that the sero-survey was performed during an inter epidemic phase for the investigated arbovirus infections, except for RVF which showed evidence of recent infections on all three islands. IgG reactivity with at least one arbovirus was observed in almost 85% of tested sera, with seropositivity rates increasing with age, indicative of an intense and long lasting exposure of the Comorian population to arboviral risk. Interestingly, the positivity rates for IgG antibodies to DENV and CHIKV were significantly higher on Ngazidja, confirming the previously suggested prominent exposure of this island to these arboviruses, while serological traces of WNV infection were detected most frequently on Mwali suggesting some transmission specificities associated with this island only. The study provides the first evidence for circulation of RVFV in human populations from the Union of Comoros and further suggests that the virus is currently circulating on the three islands in an inconspicuous manner. This study supports contrasted exposure of the islands of the Comoros archipelago to arboviral infections. The observation is discussed in terms of ecological factors that may affect the abundance and distribution of vector populations on the three islands as well as concurring anthropogenic factors that may impact arbovirus transmission in this diverse island ecosystem.
[Mh] Termos MeSH primário: Infecções por Arbovirus/epidemiologia
[Mh] Termos MeSH secundário: Adolescente
Adulto
Anticorpos Neutralizantes/sangue
Anticorpos Antivirais/sangue
Infecções por Arbovirus/transmissão
Infecções por Arbovirus/virologia
Arbovirus/imunologia
Febre de Chikungunya/epidemiologia
Febre de Chikungunya/imunologia
Febre de Chikungunya/transmissão
Febre de Chikungunya/virologia
Comores/epidemiologia
Estudos Transversais
Dengue/epidemiologia
Dengue/imunologia
Dengue/transmissão
Dengue/virologia
Feminino
Seres Humanos
Imunoglobulina G/sangue
Imunoglobulina M/sangue
Masculino
Meia-Idade
Mosquitos Vetores/virologia
Febre do Vale de Rift/epidemiologia
Febre do Vale de Rift/imunologia
Febre do Vale de Rift/transmissão
Febre do Vale de Rift/virologia
Estudos Soroepidemiológicos
Sorogrupo
Febre Amarela/epidemiologia
Febre Amarela/imunologia
Febre Amarela/transmissão
Febre Amarela/virologia
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antibodies, Neutralizing); 0 (Antibodies, Viral); 0 (Immunoglobulin G); 0 (Immunoglobulin M)
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170613
[Lr] Data última revisão:
170613
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:161216
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pntd.0004840


  9 / 252 MEDLINE  
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[PMID]:27593164
[Au] Autor:Arrigoni R; Berumen ML; Chen CA; Terraneo TI; Baird AH; Payri C; Benzoni F
[Ad] Endereço:Red Sea Research Center, Division of Biological and Environmental Sciences & Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Saudi Arabia. Electronic address: roberto.arrigoni@kaust.edu.sa.
[Ti] Título:Species delimitation in the reef coral genera Echinophyllia and Oxypora (Scleractinia, Lobophylliidae) with a description of two new species.
[So] Source:Mol Phylogenet Evol;105:146-159, 2016 Dec.
[Is] ISSN:1095-9513
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Scleractinian corals are affected by environment-induced phenotypic plasticity and intraspecific morphological variation caused by genotype. In an effort to identify new strategies for resolving this taxonomic issue, we applied a molecular approach for species evaluation to two closely related genera, Echinophyllia and Oxypora, for which few molecular data are available. A robust multi-locus phylogeny using DNA sequence data across four loci of both mitochondrial (COI, ATP6-NAD4) and nuclear (histone H3, ITS region) origin from 109 coral colonies was coupled with three independent putative species delimitation methods based on barcoding threshold (ABGD) and coalescence theory (PTP, GMYC). Observed overall congruence across multiple genetic analyses distinguished two traditional species (E. echinoporoides and O. convoluta), a species complex composed of E. aspera, E. orpheensis, E. tarae, and O. glabra, whereas O. lacera and E. echinata were indistinguishable with the sequenced loci. The combination of molecular species delimitation approaches and skeletal character observations allowed the description of two new reef coral species, E. bulbosa sp. n. from the Red Sea and E. gallii sp. n. from the Maldives and Mayotte. This work demonstrated the efficiency of multi-locus phylogenetic analyses and recently developed molecular species delimitation approaches as valuable tools to disentangle taxonomic issues caused by morphological ambiguities and to re-assess the diversity of scleractinian corals.
[Mh] Termos MeSH primário: Antozoários/classificação
[Mh] Termos MeSH secundário: Animais
Antozoários/genética
Comores
Recifes de Corais
Ilhas do Oceano Índico
Filogenia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171024
[Lr] Data última revisão:
171024
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160906
[St] Status:MEDLINE


  10 / 252 MEDLINE  
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[PMID]:27574792
[Au] Autor:Lagadec E; Gomard Y; Le Minter G; Cordonin C; Cardinale E; Ramasindrazana B; Dietrich M; Goodman SM; Tortosa P; Dellagi K
[Ad] Endereço:Centre de Recherche et de Veille sur les maladies émergentes dans l'Océan Indien (CRVOI), Plateforme de Recherche CYROI, Sainte Clotilde, Reunion Island, France.
[Ti] Título:Identification of Tenrec ecaudatus, a Wild Mammal Introduced to Mayotte Island, as a Reservoir of the Newly Identified Human Pathogenic Leptospira mayottensis.
[So] Source:PLoS Negl Trop Dis;10(8):e0004933, 2016 Aug.
[Is] ISSN:1935-2735
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Leptospirosis is a bacterial zoonosis of major concern on tropical islands. Human populations on western Indian Ocean islands are strongly affected by the disease although each archipelago shows contrasting epidemiology. For instance, Mayotte, part of the Comoros Archipelago, differs from the other neighbouring islands by a high diversity of Leptospira species infecting humans that includes Leptospira mayottensis, a species thought to be unique to this island. Using bacterial culture, molecular detection and typing, the present study explored the wild and domestic local mammalian fauna for renal carriage of leptospires and addressed the genetic relationships of the infecting strains with local isolates obtained from acute human cases and with Leptospira strains hosted by mammal species endemic to nearby Madagascar. Tenrec (Tenrec ecaudatus, Family Tenrecidae), a terrestrial mammal introduced from Madagascar, is identified as a reservoir of L. mayottensis. All isolated L. mayottensis sequence types form a monophyletic clade that includes Leptospira strains infecting humans and tenrecs on Mayotte, as well as two other Malagasy endemic tenrecid species of the genus Microgale. The lower diversity of L. mayottensis in tenrecs from Mayotte, compared to that occurring in Madagascar, suggests that L. mayottensis has indeed a Malagasy origin. This study also showed that introduced rats (Rattus rattus) and dogs are probably the main reservoirs of Leptospira borgpetersenii and Leptospira kirschneri, both bacteria being prevalent in local clinical cases. Data emphasize the epidemiological link between the two neighbouring islands and the role of introduced small mammals in shaping the local epidemiology of leptospirosis.
[Mh] Termos MeSH primário: Reservatórios de Doenças/microbiologia
Insetívoros/microbiologia
Leptospira/isolamento & purificação
Leptospirose/transmissão
[Mh] Termos MeSH secundário: Animais
Comores
DNA Bacteriano/isolamento & purificação
Genótipo
Seres Humanos
Espécies Introduzidas
Madagáscar
Filogenia
Zoonoses/transmissão
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (DNA, Bacterial)
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170614
[Lr] Data última revisão:
170614
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160831
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pntd.0004933



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