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β-nadh diminui a sensibilidade da sucinato desidrogenase a inibição por ácido metilmalônico
(Universidade Federal de Santa Maria, 2007-05-04)
Methylmalonic acidemia, one of the most frequent organic acidemias, is caused by deficiency of the methylmalonyl CoA mutase, leading to tissue accumulation of Lmethylmalolonic acid (MMA). Affects individuals present lethargy, ...
Isolamento e caracterização de microssatélites em Aegla longirostri (Crustacea, Decapoda, Anomura)
(Universidade Federal de Santa Maria, 2007-02-27)
Aeglidae is the only freshwater anomuran family. Fossil evidences relate a marine origin for aeglids. However, genus Aegla invaded the freshwater environment of
southern South America, becoming endemic and widespread in ...
Efeito de borda sobre uma assembléia de pequenos mamíferos em um fragmento de floresta estacional decidual de Santa Maria, RS, Sul do Brasil
(Universidade Federal de Santa Maria, 2007-04-12)
Alterations caused by the edge effects in a fragment have direct influence over the fauna and can determine the composition and distribution of the small non-flying
mammals assemblage in a landscape. This study had as ...
Os efeitos de organocalcogêneos e de 2,3-dimercaptopropanol sobre convulsão química e letalidade induzidas por pentilenotetrazol e 4-aminopiridina em camundongos
(Universidade Federal de Santa Maria, 2007-08-17)
Experimental models of seizure in animals have represented an important role for the understanding of the physiological and behavioural alterations associated with the human epilepsy. The induction of partial or generalized ...
Estudo da diversidade de borboletas (Lepidoptera: Rhopalocera) em duas localidades no município de Frederico Westphalen, Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2007-03-22)
Contributing to the butterflies diversity knowledge from Estacional Decidual Forest of Rio Grande do Sul State, a systematic survey was carried out in two localities of the Municipal District of Frederico Westphalen: Villa ...
Efeito dos carotenóides licopeno e astaxantina sobre danos renais induzidos por cloreto de mercúrio
(Universidade Federal de Santa Maria, 2007-03-09)
Mercury is a heavy metal toxic for any living tissue, being kidneys the first target for the inorganic form. Oxidative stress has been pointed as an important molecular mechanism for kidney injury in inorganic mercury ...
Efeitos do chumbo sobre a atividade da tioredoxina redutase citosólica (TrxR1) e parâmetros de estresse oxidativo em rins de ratos
(Universidade Federal de Santa Maria, 2007-01-31)
Lead is a heavy metal that accumulates primarily in kidney, where exerts its nephrotoxic effects. Several studies suggest that the oxidative stress is an important molecular mechanism for the toxic effects of lead in kidney ...
Estrutura genética de populações naturais de Parides agavus (Lepidoptera; Papilionidae) da região central do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2007-03-21)
The population structure from the genetic and evolutive view-point tries to quantify the morphologic and quantitative variability existing among the individuals, their reproductive behavior, and gene flow patterns, and the ...
Dietil-2-fenil-2-telurofenil vinilfosfonato: um composto orgânico de telúrio com atividade antioxidante in vitro e com baixa toxicidade in vivo em camundongos
(Universidade Federal de Santa Maria, 2007-02-14)
Despite the growing use of organotellurium compounds in chemical and biochemical fields, there is no great concern about their toxicity until now. Diethyl-2-phenyl-2-tellurophenyl vinylphospnonate is a β-organochalcogenyl ...
Crescimento e parâmetros toxicológicos em jundiás (Rhamdia quelen) expostos a uma formulação comercial do herbicida 2,4-D
(Universidade Federal de Santa Maria, 2007-09-27)
In this study, silver catfish (Rhamdia quelen) were exposed to commercial formulation to 2,4-D herbicide at 0.0 (control) 0.5 or 2.0 mg L-1 for 90 days or 96 hours. After the exposure were evaluated the growth, mucous layer ...