97 research outputs found

    Piperaceae do Parque Nacional da Serra da Canastra, Minas Gerais, Brasil

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    This work presents the Piperaceae species of Parque Nacional da Serra da Canastra, Minas Gerais, based on specimens deposited in BHCB, HUFU, R, RB, SP and SPF herbaria. There are 16 species in the region, with two new records for Minas Gerais, and one first record for Brazil. Descriptions, illustrations, keys to the genera and species, as well as comments on the geographical distribution and habitats are presented.O trabalho apresenta as espécies de Piperaceae que ocorrem no Parque Nacional da Serra da Canastra, Minas Gerais baseado em espécimes depositados nos herbários BHCB, HUFU, R, RB, SP e SPF. Foram registradas 16 espécies, sendo duas novas ocorrências para o estado de Minas Gerais e uma nova espécie para o Brasil. São apresentadas descrições da família, dos gêneros e espécies, chaves de identificação, ilustrações e comentários sobre distribuição geográfica e habitat

    Novas cabras na ilha?

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    Trindade, uma ilha oceânica localizada a cerca de 1200 km da costa do Brasil, possui apenas 65% da sua cobertura vegetal original. A principal causa da devastação foi a presença de cabras por um longo período de tempo na ilha. Em 2005 as cabras foram eliminadas e a vegetação voltou a se recuperar, mas uma visita à ilha em 2012 revelou um novo perigo a vegetação: a presença de uma espécie de Leguminosae que está se espalhando e matando a parte da vegetação herbácea endêmica de Cyperus atlanticus.Trindade is an oceanic island located ca. 1200 km east of the Brazilian coast with only 65% of its original vegetation cover remaining. Devastation was mainly caused by the presence of goats for a long time. Since goats were eliminated in 2005 the island vegetation is going through a recovering process. However during a visit to the island in 2012 another threat to the vegetation was noted: a Leguminosae species is spreading and killing part of the endemic herbaceous vegetation of Cyperus atlanticus

    The moss flora of Ostrov Geologov (Geologists Island), Maxwell Bay, KingGeorge Island, Antarctica

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    Located of the east coast of Fildes Peninsula, South of Ardley Island, at King George Island, Ostrov Geologov (Geologist Islands) is a small island with 0.25 miles long. It only had one plant record published so far. We have conducted extensive fieldwork on the site and provide here a comprehensive checklist and a key for the moss species occurring on the island. Despite its small size, theislandcontains about 35% of all theFildes Peninsula moss flora, six new records were found. The pristine state of the island due to its relative isolation, presence of avian nesting sites and a relatively rich moss flora are strong arguments in favor of protection status for the island.Flora de musgos de Ostrov Geologov (Isla de los Geologos), Maxwell Bay, King George Island, Antártica. Ubicada en la costa este de la Península Fildes, al sur de la isla Ardley en Isla 25 de Mayo, la isla del Geólogo es una pequeña isla con 0.5 Km de extensión. Hasta ahora, solo existe un registro de planta. Hemos realizado colecciones y presentamos una lista y una clave para las especies de musgos que ocurren en la isla. Aunque de pequeño tamaño, la isla posee cerca de 35% de todas las especies de musgos que ocurren en la península Fildes y seis nuevos registros fueron encontrados. Su relativo aislamiento de los turistas es un factor que contribuye para su preservació

    A catalog of Bryophyta types deposited at the National Museum of Brazil

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    While visiting the Herbarium of the Botany Department of the National Museum of the Federal University of Rio de Janeiro (code, R), we located the types of 219 bryophyte names, most of which were published by Karl Müller (cited as Müller Hallensis), whose holotypes were lost during the bombing of the Berlin Herbarium in 1943. A total of 181 names (82%) are possible candidates for lectotypification and most likely not to be found elsewhere. We also found the complete collection of Müller's "Bryologia Serrae Itatiaiae", made by Ernst Ule

    Typii Petropolitanum brasiliensium : un catálogo de typus de musgos depositados en el Instituto Botánico Komarov (LE) en St. Petersburgo, Rusia.

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    The herbarium LE of the Komarov Botanical Institute in Saint Petersburg (former Leningrad), Russia holds one of the least known Brazilian moss collections in the world. In this paper we provide a list the Brazilian types of mosses deposited in the type collection of LE. Totaling types for 41 species names from Brazil are listed.EL Instituto Botánico Komarov (Herbario de Leningrado–LE) ubicado en San Petersburgo, Rusia, contiene una de las menos conocidas colecciones de musgos Brasileiros en el mundo. En este trabajo listamos los typus de musgos depositados en la colección de typus de LE, en un total de 41 nombres para Brasil

    Flora da Serra do Cipó, Minas Gerais: Piperaceae

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    O estudo da família Piperaceae faz parte do projeto “Flora da Serra do Cipó, Minas Gerais. A família está representada na Serra do Cipó pelos gêneros Peperomia e Piper com nove e 14 espécies respectivamente. Entre as espécies encontradas na área, Peperomia subrubricaulis é endêmica de Minas Gerais e Piper hispidum e P. scutifolium são citados pela primeira vez para o estado de Minas Gerais

    Dynamic UCLA for single tilted implant in an aesthetic region

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    AbstractIntroductionThe aim of this paper was to present a rehabilitation of a patient with a dynamic universal castable long abutment (UCLA) for a single tilted implant in the anterior maxillary area.Presentation of caseA 57-year-old male patient attended the dentistry college clinic complaining of a vertical fracture of a residual root of the dental element 22. The tooth extraction was indicated for the implant installation. Due to the socket buccal wall thickness, the implant was installed with an inclination to the palate. It was done in a two-stage surgical protocol, and an external hexagon implant (3.75×11.5mm) was placed. After a six-month healing period to correct the implant position, a dynamic UCLA was set in place, rectifying the implant emergence profile at 20°. The ceramic structure fitting was performed and, after the patient’s consent, the prosthesis was finalized and installed.DiscussionAfter a follow-up period of twenty months, no complications were observed.ConclusionThe installation of tilted implants with a dynamic UCLA may be a viable option, faster and less invasive than bone grafts

    Flora da Estação Ecológica do Jardim Botânico de Brasí­lia, Distrito Federal.

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    A Estação Ecológica do Jardim Botânico de Brasí­lia é uma área de conservação que encontra-se em meio   área urbana. Neste estudo buscou-se atualizar a listagem florí­stica da área realizada em 2009, através do seu plano de manejo. Por meio de coletas e compilação de dados do herbário HEPH foram feitas as listas de espécies de angiospermas, pteridófitas e briófitas. Foram registradas 1.337 espécies, das quais 1.252 espécies são angiospermas, 47 são pteridófitas   e 38 são briófitas

    Prevalência e fatores associados ao tabagismo em pessoas vivendo com HIV em tratamento

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    OBJETIVO: Estimar a prevalência do tabagismo e avaliar os fatores a ele associados em pessoas vivendo com HIV (PVHIV). MÉTODOS: Trata-se de estudo transversal de uma coorte prospectiva concorrente com 462 indivíduos em início de terapia antirretroviral atendidos em três serviços de assistência especializada ao HIV/aids em Belo Horizonte entre 2015 e 2017. Os status de tabagismo utilizados foram: fumante atual (FA), ex-fumante (EF) e não fumante (NF). Realizou-se regressão logística multinomial, sendo NF a categoria de referência. RESULTADOS: A maioria dos participantes eram homens (81,4%), jovens (de até 34 anos; 57,2%) e não brancos (75,7%). Do total de indivíduos, 27,7% eram FA, 22,9% EF, e 49,4% NF. A maioria dos tabagistas eram fumantes leves (65,1%), consumiam até 10 cigarros por dia e fumavam havia mais de 10 anos (63,3%), tendo começado em média aos 17,2 anos de idade (DP = 5,1). Na análise multivariada, maiores chances de ser FA se associaram a: ser do sexo feminino, ter até 9 anos de escolaridade, usar ou já ter usado álcool e drogas ilícitas (maconha, cocaína e crack) e apresentar sinais e/ou sintomas de ansiedade ou depressão. Maiores chances de ser EF se associaram a ter até 9 anos de escolaridade e usar ou já ter usado álcool e drogas e ilícitas (maconha e crack). CONCLUSÕES: Os resultados mostram que o tabagismo é altamente prevalente entre PVHIV, indicando a necessidade de os serviços de assistência especializada em HIV priorizarem intervenções a fim de cessá-lo, com abordagem sobre o uso de álcool e drogas ilícitas, especialmente voltadas para pessoas jovens, com baixa escolaridade e com sinais e/ou sintomas de ansiedade ou depressão.OBJECTIVE: To estimate the prevalence of smoking and evaluate the factors associated with this outcome in people living with HIV (PLHIV). METHODS: This is a cross-sectional study of a prospective concurrent cohort of 462 individuals initiating antiretroviral therapy at three HIV/AIDS specialized services in Belo Horizonte between 2015 and 2017. The following smoking status were used: current smoker (CS), former smoker (FS) and non-smoker (NS). Multinomial logistic regression was performed with NS as the reference category. RESULTS: Most participants were men (81.4%), young (up to 34 years old; 57.2%) and non-white (75.7%). Of the total number of individuals, 27.7% were CS, 22.9% FS, and 49.4% NS. Most smokers were light smokers (65.1%), consumed up to 10 cigarettes per day and had been smoking for more than 10 years (63.3%), starting on average at 17.2 years of age (SD = 5.1). In the multivariate analysis, higher chances of being CS were associated with: being female, having up to 9 years of schooling, current or prior use of alcohol and illicit drugs (marijuana, cocaine and crack) and presenting signs and/or symptoms of anxiety or depression. Higher chances of being FS were associated with having up to 9 years of schooling and current or prior use of alcohol and illicit drugs (marijuana and crack). CONCLUSIONS: The results show that smoking is highly prevalent among PLHIV, indicating the need for HIV specialized services to prioritize smoking cessation interventions. These interventions should consider the use of alcohol and illicit drugs and be targeted especially to young people, those with low schooling and with signs and/or symptoms of anxiety or depression

    Vaginal microbiota of nulliparous and multiparous cows and their resistance to antimicrobials

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    Infertility and prenatal mortality are the most important causes of production losses in domestic animals. The presence of pathogenic agents in the female reproductive system of cattle can negatively influence the reproductive performance of the herd. The objective of this study was to isolate, quantify, and characterize the components of the vaginal microbiota of multiparous and nulliparous mongrel cows, focusing on proper health and reproductive management. Samples were collected from 20 healthy animals: 10 nulliparous and 10 multiparous cows. The inoculation was performed simultaneously on four different culture media: BBL CHROM agar Candida, BBL Bile Esculin Agar Slants, Baird-Parker Agar, and MacConkey Agar bile salts. The isolated microorganisms were identified according to morphological and biochemical features. Microorganisms were detected in 80% of the nulliparous and 10% of the multiparous cows, with the following frequency: 88.78% of bacteria had morphophysiological characteristics of Staphylococcus spp., 11.22% of Escherichia coli, and 120 isolated yeast colonies which were identified as Candida tropicalis (69%), C. albicans (24%), and C. krusei. Seventeen isolates of Staphylococcus spp. (53.12%) presented sensitivity to all antimicrobials tested: 65.6% to amoxillin, 46.9% to erythromycin, 71.8% to rifampicin, and 46.9% to tetracycline. The rate of resistance to antimicrobials (MDR) was 0.125. The presence of typical microorganisms was detected. The MDR indicated that the isolates did not show multiresistance, with only two (6.25%) resistant to more than one antimicrobial simultaneously. The bacterial isolates studied were sensitive to the antimicrobial drugs tested, demonstrating the potential for use of these active ingredients
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