Search Results - "Bastos, W. R."

Stable carbon isotope discrimination and microbiology of methane formation in tropical anoxic lake sediments by Conrad, R, Noll, M, Claus, P, Klose, M, Bastos, W R, Enrich-Prast, A

“…Methane is an important end product of degradation of organic matter in anoxic lake sediments. Methane is mainly produced by either reduction of CO2 or…”
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Diversity of Secondary Metabolism in Aspergillus nidulans Clinical Isolates by Drott, M T, Bastos, R W, Rokas, A, Ries, L N A, Gabaldón, T, Goldman, G H, Keller, N P, Greco, C

“…The filamentous fungus has been a primary workhorse used to understand fungal genetics. Much of this work has focused on elucidating the genetics of…”
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Mercury in Indigenous, Introduced and Farmed Fish from the Semiarid Region of the Jaguaribe River Basin, NE Brazil by Lacerda, L. D, Costa, B. G. B. C, Lopes, D. N, Oliveira, K, Bezerra, M. F, Bastos, W. R

“…Indigenous, introduced and farmed fish species were collected from the Jaguaribe Basin, NE Brazil to assess total and methyl mercury concentrations in muscle…”
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Saccharomyces cerevisiae UFMG A-905 treatment reduces intestinal damage in a murine model of irinotecan-induced mucositis by Bastos, R W, Pedroso, S H S P, Vieira, A T, Moreira, L M C, França, C S, Cartelle, C T, Arantes, R M E, Generoso, S V, Cardoso, V N, Neves, M J, Nicoli, J R, Martins, F S

“…Indigenous microbiota plays a crucial role in the development of several intestinal diseases, including mucositis. Gastrointestinal mucositis is a major and…”
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Milk fermented by Lactobacillus species from Brazilian artisanal cheese protect germ-free-mice against Salmonella Typhimurium infection by Acurcio, L B, Sandes, S H C, Bastos, R W, Sant'anna, F M, Pedroso, S H S P, Reis, D C, Nunes, Á C, Cassali, G D, Souza, M R, Nicoli, J R

“…Ingestion of milks fermented by Lactobacillus strains showing probiotic properties is an important tool to maintain gastrointestinal health. In this study,…”
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Evaluation of colonisation resistance in stool of human donors using ex vivo, in vitro and in vivo assays by Galvão, M F, Bastos, R W, Acurcio, L B, Nascimento, B B, Sandes, S H C, Arantes, R M E, Souza, M R, Martins, F S, Vieira, L Q, Nicoli, J R

“…The indigenous microbiota is the population of microorganisms normally present on the surface and mucosa of an individual, where it performs essential health…”
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Drought promotes increases in total mercury and methylmercury concentrations in fish from the lower Paraíba do Sul river, southeastern Brazil by Azevedo, L.S., Pestana, I.A., Rocha, A.R.M., Meneguelli-Souza, A.C., Lima, C.A.I., Almeida, M.G., Bastos, W.R., Souza, C.M.M.

“…Bioaccumulation of mercury and methylmercury in fish represents a serious risk to human beings. Extreme climate events like droughts may increase the trophic…”
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Plankton community interactions in an Amazonian floodplain lake, from bacteria to zooplankton by Feitosa, I. B., Huszar, V. L. M., Domingues, C. D., Appel, E., Paranhos, R., Almeida, R. M., Branco, C. W. C., Bastos, W. R., Sarmento, H.

“…The simple view of the classical phytoplankton–zooplankton–fish food chain (CFC) has been replaced by a more complex framework, integrating microbial…”
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Cytotoxicity and genotoxicity of low doses of mercury chloride and methylmercury chloride on human lymphocytes in vitro by Silva-Pereira, L C, Cardoso, P C S, Leite, D S, Bahia, M O, Bastos, W R, Smith, M A C, Burbano, R R

“…Mercury is a xenobiotic metal that is a highly deleterious environmental pollutant. The biotransformation of mercury chloride (HgCl2) into methylmercury…”
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Organotropism of methylmercury in fish of the southeastern of Brazil by Azevedo, L.S., Almeida, M.G., Bastos, W.R., Suzuki, M.S., Recktenvald, M.C.N.N., Bastos, M.T.S., Vergílio, C.S., de Souza, C.M.M.

“…This is one of the first studies to evaluate the effect of biometric variables (total length and weight), diet, and abiotic matrices (sediment and water…”
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Freshwater shrimps (Macrobrachium depressimanum and Macrobrachium jelskii) as biomonitors of Hg availability in the Madeira River Basin, Western Amazon by Galvão, R. C. F., Holanda, I. B. B., De Carvalho, D. P., Almeida, R., Souza, C. M. M., Lacerda, L. D., Bastos, W. R.

“…Total mercury (THg) concentrations measured in two freshwater shrimp species ( Macrobrachium depressimanum and Macrobrachium jelskii ) showed a relationship…”
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Spatial-temporal dynamics and sources of total Hg in a hydroelectric reservoir in the Western Amazon, Brazil by Pestana, I. A., Bastos, W. R., Almeida, M. G., de Carvalho, D. P., Rezende, C. E., Souza, C. M. M.

“…Damming rivers to construct hydroelectric reservoirs results in a series of impacts on the biogeochemical Hg cycle. For example, modifying the hydrodynamics of…”
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Follow-up of mercury levels in fish, human hair and urine in the Madeira and Tapajos basins, Amazon, Brazil by MALM, O, GUIMARAES, J. R. D, CASTRO, M. B, BASTOS, W. R, VIANA, J. P, BRANCHES, F. J. P, SILVEIRA, E. G, PFEIFFER, W. C

“…Informal economy of gold mining has contaminated some important river basins in Amazon. Follow-up studies on critical compartments showed some areas with high…”
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Mercury loss from soils following conversion from forest to pasture in Rondônia, Western Amazon, Brazil by Almeida, Marcelo D., Lacerda, Luiz D., Bastos, Wanderley R., Herrmann, João Carlos

“…This work reports on the effect of land use change on Hg distribution in Amazon soils. It provides a comparison among Hg concentrations and distribution along…”
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Prenatal and Postnatal Mercury Exposure, Breastfeeding and Neurodevelopment During the First 5 Years by MARQUES, Rejane C, DOREA, José G, BERNARDI, José V. E, BASTOS, Wanderley R, MALM, Olaf

“…We evaluated the association between infant hair-Hg and Gesell schedules (GS). Longitudinal assessment of prenatal and postnatal Hg exposure during the first…”
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Mercury dispersal in water, sediments and aquatic biota of a gold mining tailing deposit drainage in pocone, Brazil by LACERDA, L. D, PFEIFFER, W. C, MARINS, R. V, RODRIGUES, S, SOUZA, C. M. M, BASTOS, W. R

“…In the Pocone district, Brazil, Hg distribution was studied in a small watershed which drains tailings from a 10 yr old gold mining operation. Heavy regional…”
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Mercury Distribution in Sediment Profiles from Lakes of the High Pantanal, Mato Grosso State, Brazil by de Lacerda, L. D., Salomons, W., Pfeiffer, W. C., Bastos, W. R.

“…Sediment cores from lakes located in the Pantanal Swamp, Central Brazil were analysed for the distribution of mercury released by the local gold mining…”
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Exposure to metallic mercury in workers in a tropical chloralkali plant evaluated through urine analysis, Rio de Janeiro, Brazil by MALM, O, CALASANS, C. F, FERNANDES, A. P, BASTOS, W. R, PFEIFFER, W. C

“…Occupational exposure to Hg vapour was investigated in 78 workers during three periods with different temperatures: August 1991, December 1991, and February…”
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Mercury concentrations in inland waters of gold-mining areas in Rondônia, Brazil by Pfeiffer, W C, de Lacerda, L D, Malm, O, Souza, C M, da Silveira, E G, Bastos, W R

“…Total mercury concentrations in water, sediments and fish from the gold-mining areas of Brazil, especially the Amazon region, are presented. Mercury…”
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Changes in children hair-Hg concentrations during the first 5 years: Maternal, environmental and iatrogenic modifying factors by Marques, Rejane C., Dórea, José G., Bastos, Wanderley R., Malm, Olaf

“…Children are exposed to Hg from mothers (via placenta and lactation), environment (food), and in many parts of the world by thimerosal-containing vaccines…”
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