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Search Results: 1 - 10 of 237033 matches for " Anilda G. Silva "
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Fungal microbiota from ocular conjuctiva of clinically healthy horses belonging to the Military Police Cavalry of Alagoas
Sousa, Maria Evódia de;Araújo, Maria Anilda dos Santos;Mota, Rinaldo Aparecido;Porto, Wagnner José Nascimento;Souza, Aryanna Kelly Pinheiro;Santos, Josimeire Lima dos;Silva, Patrícia Paes da;
Brazilian Journal of Microbiology , 2011, DOI: 10.1590/S1517-83822011000300038
Abstract: normal fungal conjunctiva microbiota of horses remains stable in healthy animals, free from ocular and/or systemic diseases which may, eventually, cause ocular alterations. the knowledge of the fungal microbiota is of great importance due to the reduced number of studies reported in the literature and also to the large occurrence of ocular alterations, mainly keratomycosis, in these animals. the aim of this study was to isolate and to identify the fungi present in the ocular conjunctiva of healthy horses belonging to the military police cavalry of alagoas. samples from both conjunctival sacks from 50 horses were taken using a sterile swab and submitted to fungal cultures. these samples were seeded by radial spreading of the swabs on the sabouraud agar surface with chloramphenicol, at a concentration of 50mg/l, in petri dishes. next, dishes were incubated at room temperature (± 28oc) for 15 days. horses conjunctival fungal microbiota was found to be composed by aspergillus spp. (62%), microsporum gypseum (6%), penicillium spp. (6%), curvularia spp. (5%), candida spp. (3%), fusarium spp. (3%), acremonium spp. (2%), bipolaris sp. (1%), cladosporium sp. (1%), chrysosporium sp. (1%), rhodotorula sp. (1%), aureobasidium sp. (1%) and scopulariopsis sp. (1%). there is a wide variety of yeast-like and filamentous fungi colonizing the clinically healthy horses' ocular conjunctiva, out of which aspergillus sp. is predominant. although this was a straightforward study and have not recorded any ocular lesions that suggest fungi infections, these fungi might eventually be involved in this type of ocular pathology for the studied species.
Genome of Herbaspirillum seropedicae Strain SmR1, a Specialized Diazotrophic Endophyte of Tropical Grasses
Fábio O. Pedrosa ,Rose Adele Monteiro,Roseli Wassem,Leonardo M. Cruz,Ricardo A. Ayub,Nelson B. Colauto,Maria Aparecida Fernandez,Maria Helena P. Fungaro,Edmundo C. Grisard,Mariangela Hungria,Humberto M. F. Madeira,Rubens O. Nodari,Clarice A. Osaku,Maria Luiza Petzl-Erler,Hernán Terenzi,Luiz G. E. Vieira,Maria Berenice R. Steffens,Vinicius A. Weiss,Luiz F. P. Pereira,Marina I. M. Almeida,Lysangela R. Alves,Anelis Marin,Luiza Maria Araujo,Eduardo Balsanelli,Valter A. Baura,Leda S. Chubatsu,Helisson Faoro,Augusto Favetti,Geraldo Friedermann,Chirlei Glienke,Susan Karp,Vanessa Kava-Cordeiro,Roberto T. Raittz,Humberto J. O. Ramos,Enilze Maria S. F. Ribeiro,Liu Un Rigo,Saul N. Rocha,Stefan Schwab,Anilda G. Silva,Eliel M. Souza,Michelle Z. Tadra-Sfeir,Rodrigo A. Torres,Audrei N. G. Dabul,Maria Albertina M. Soares,Luciano S. Gasques,Ciela C. T. Gimenes,Juliana S. Valle,Ricardo R. Ciferri,Luiz C. Correa,Norma K. Murace,Jo?o A. Pamphile,Eliana Valéria Patussi,Alberto J. Prioli,Sonia Maria A. Prioli,Carmem Lúcia M. S. C. Rocha,Olívia Márcia N. Arantes,Márcia Cristina Furlaneto,Leandro P. Godoy,Carlos E. C. Oliveira,Daniele Satori,Laurival A. Vilas-Boas,Maria Angélica E. Watanabe,Bibiana Paula Dambros,Miguel P. Guerra,Sandra Marisa Mathioni,Karine Louise Santos,Mario Steindel,Javier Vernal,Fernando G. Barcellos,Rubens J. Campo,Ligia Maria O. Chueire,Marisa Fabiana Nicolás,Lilian Pereira-Ferrari,José L. da Concei??o Silva,Nereida M. R. Gioppo,Vladimir P. Margarido
PLOS Genetics , 2011, DOI: 10.1371/journal.pgen.1002064
Abstract: The molecular mechanisms of plant recognition, colonization, and nutrient exchange between diazotrophic endophytes and plants are scarcely known. Herbaspirillum seropedicae is an endophytic bacterium capable of colonizing intercellular spaces of grasses such as rice and sugar cane. The genome of H. seropedicae strain SmR1 was sequenced and annotated by The Paraná State Genome Programme—GENOPAR. The genome is composed of a circular chromosome of 5,513,887 bp and contains a total of 4,804 genes. The genome sequence revealed that H. seropedicae is a highly versatile microorganism with capacity to metabolize a wide range of carbon and nitrogen sources and with possession of four distinct terminal oxidases. The genome contains a multitude of protein secretion systems, including type I, type II, type III, type V, and type VI secretion systems, and type IV pili, suggesting a high potential to interact with host plants. H. seropedicae is able to synthesize indole acetic acid as reflected by the four IAA biosynthetic pathways present. A gene coding for ACC deaminase, which may be involved in modulating the associated plant ethylene-signaling pathway, is also present. Genes for hemagglutinins/hemolysins/adhesins were found and may play a role in plant cell surface adhesion. These features may endow H. seropedicae with the ability to establish an endophytic life-style in a large number of plant species.
Predi??o da configura??o de sombras de árvores em pastagens para bovinos
Silva, Roberto G. da;
Engenharia Agrícola , 2006, DOI: 10.1590/S0100-69162006000100029
Abstract: equations to estimate orientation, length and surface area of shades projected by trees in cattle feedlots are presented, considering location, year season, and time of the day. the equations refer to six types of tree canopy shape: spherical, lentil-like, cylindrical, ellipsoid, cone, and inverted cone. a worked example is given and discussed.
Assessment of body surface temperature in cetaceans: an iterative approach
Silva, R. G.;
Brazilian Journal of Biology , 2004, DOI: 10.1590/S1519-69842004000400021
Abstract: heat transfer from skin surface to ambient water is probably the most important aspect of thermal balance in marine mammals, but the respective calculations depend on knowing the surface temperature (ts), the direct measurement of which in free animals is very difficult. an indirect iterative method is proposed for ts prediction in free cetaceans from deep body temperature, swimming speed, and temperature and thermodynamic properties of the water.
Placeres marinhos
Silva, Cleverson G.;
Revista Brasileira de Geofísica , 2000, DOI: 10.1590/S0102-261X2000000300010
Abstract: marine placers are located on present beaches or are related to the quaternary sea level oscillatory events, which exposed large areas of the continental shelf or covered portions of the coastal plains. the transgressive sea level events drowned alluvial and colluvial deposits including important heavy minerals concentrations further reworked by current and wave action. this mechanism promoted the re-concentration of the denser minerals such as ilmenite, zircon, tin, gold and diamonds. the main exploration activities of marine placers are located on namibian and south african continental shelves, for diamonds, and on the southeast asia, for tin. important extraction of ilmenite, zircon, rutile and monazite sands occurs in australia, sri lanka and india, as well as on the northern rio de janeiro state, brazil. gold extraction on beaches and on the continental shelf offshore alaska ceased during the nineties. the technology involved on the exploitation of marine minerals can be highly sophisticated, as observed in namibia and south africa, employing massive ships, with specially designed rotation drills, submarine robots and track-mounted vehicles, equipped with powerful suction pumps, remotely controlled. these equipment are used to extract the gravel substrate containing the diamonds in water depths approaching 200 m. the associated environmental impact in dredged areas is substantial and must be constantly monitored and controlled by an efficient legislation and by the local environmental agencies and controlling organisms. this paper presents a review of the current knowledge about the origin of the marine placers, the main world's and brazilian occurrences and exploration techniques and the principal environmental impacts associated with its exploitation.
La noción de historia en las encíclicas de Juan Pablo II y su continuidad con el Vaticano II
Silva G.,Sergio;
Teología y vida , 2001, DOI: 10.4067/S0049-34492001000300004
Abstract: the article starts off from the fides et ratio emphatic restatement -"time has a especial significance in christianity"- taken from the tertio millennio adveniente, and the looks at the 13 encyclicals of john paul ii in search of his notion of history. this is obviously regarded as a theological notion, well-rooted in the vatican ii. the fundamental affirmation of the faith is that in jesus christ, god has come into history revealing himself as merciful love. for the pope, this means that the transcendent god, who drives history, has become immanent in it in the person of jesus. the historical mission of the son is extended by the spirit, who not only vivifies and guides the church, but also acts outwards its visible limits. secondly, the article gathers the assertions abut the human mediations of god?s presence in history. that is to say the church, which finds its model in mary?s mediation. regarding the church and human history relations, the article considers their reciprocal contributions, stressing three affirmations: the inculturation is the condition of the church-history relation; man is the path of the church in history; and the priority of truth over freedom and over the escatologic dimension of salvation, in its temporal dimension. finally, the author systematises the indications regarding the structures involved in the historical mediation of god?s salvific action. such is the relation of every individual with history; of the signs of the times (set in the inner most diagnosis of the current world situation) and the hermeneutic mediation (linked to the role of tradition). as a conclusion, the article reproduces the encyclical texts of john paul ii which remark that the priority of his pontificate is to carry out the work of the council.
Lo absoluto y lo relativo: Aproximación hermenéutica
Silva G,Sergio;
Teología y vida , 2008, DOI: 10.4067/S0049-34492008000100010
Abstract: the author of this article establishes four premises: gnoseological (the human being lives in real contact with the real, which is shown to him or her as being of two kinds: firstly, finite and conditional, which is foranother, and therefore relative; and secondly, infinite and unconditional, for itself, and, therefore, absolute); anthropological (the human being has a "dual" constitution: heart, or personal center, incarnated in "organisms"-body, psychic world and culture); ontological (being in fullness is to be possessed, but the self-possession of the human being is mediated, not immediate); and linguistic (human language has two basic capacities: describing the world just as it offers itself to our intramundane experience, or "denotation", and creating new worlds through the use of descriptive language in a metaphorical manner: "connotation"). from here the thesis is established that we can speak about the absolute, because we are obliged to attempt to understand the real contact we have with the unconditionally real. but our comprehension of the absolute will always be mediated, and, therefore, indirect, conditioned, relative. finally, the author of this article propose theological principies that permit one to avoid both absolutism and relativism in evaluating human knowledge: the god of jesús who is love and, therefore, triune (the absolute is, in itself, relational) and the incarnation: the son of god has become a relative creature.
Lo absoluto y lo relativo: Aproximación hermenéutica
Sergio Silva G
Teología y vida , 2008,
Abstract: El artículo establece cuatro premisas: gnoseológica (el ser humano vive en contacto real con lo real, que se le muestra de dos tipos: lo finito y condicionado, que es por otro, por lo tanto, relativo; y lo infinito e incondicionado, que es por sí mismo, por lo tanto, absoluto); antropológica (el ser humano tiene una constitución "dual": corazón o centro personal, encarnado en "organismos": cuerpo, mundo síquico y cultura); ontológica (ser en plenitud es poseerse, pero la autoposesión del ser humano es mediada, no inmediata) y lingüística (el lenguaje humano tiene dos capacidades básicas: describir el mundo tal como se nos ofrece en nuestra experiencia intramundana o "denotación", y crear mundos nuevos mediante el uso del lenguaje descriptivo de manera metafórica: "connotación"). A partir de aquí se establece la tesis de que podemos hablar de lo absoluto, porque estamos obligados a tratar de comprender el contacto real que tenemos con lo real incondicionado. Pero nuestra comprensión de lo absoluto será siempre mediada, por lo tanto, indirecta, condicionada, relativa. Finalmente el artículo propone principios teológicos que permitan evitar tanto el absolutismo como el relativismo en la valoración del conocimiento humano: el Dios de Jesús que es Amor y, por ello, Trino (el Absoluto es, en sí mismo, relacional) y la Encarnación: el Hijo de Dios se ha hecho creatura relativa. The author of this article establishes four premises: gnoseological (the human being lives in real contact with the real, which is shown to him or her as being of two kinds: firstly, finite and conditional, which is foranother, and therefore relative; and secondly, infinite and unconditional, for itself, and, therefore, absolute); anthropological (the human being has a "dual" constitution: heart, or personal center, incarnated in "organisms"-body, psychic world and culture); ontological (being in fullness is to be possessed, but the self-possession of the human being is mediated, not immediate); and linguistic (human language has two basic capacities: describing the world just as it offers itself to our intramundane experience, or "denotation", and creating new worlds through the use of descriptive language in a metaphorical manner: "connotation"). From here the thesis is established that we can speak about the absolute, because we are obliged to attempt to understand the real contact we have with the unconditionally real. But our comprehension of the absolute will always be mediated, and, therefore, indirect, conditioned, relative. Finally, the author of this article propose theologica
Resumen de la cuenta del Decano: 1999
Sergio Silva G
Teología y vida , 2000,
Abstract:
Resumen de la Cuenta del Decano, 2000
Sergio Silva G
Teología y vida , 2001,
Abstract:
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