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Natural transformation and availability of transforming DNA to Acinetobacter calcoaceticus in soil microcosms.
A small microcosm, based on optimized in vitro transformation conditions, was used to study the ecological factors affecting the transformation of Acinetobacter calcoaceticus BD413 in soil. TheExpand
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Yeasts from marine and estuarine waters with different levels of pollution in the state of rio de janeiro, Brazil.
Yeast counts were made at 24 marine and estuarine sites in the vicinity of Rio de Janeiro, Brazil. Mean salinities of estuarine sites ranged from 14.2 to 27.4 per thousand, and mean temperaturesExpand
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Yeast succession in the Amazon fruit Parahancornia amapa as resource partitioning among Drosophila spp.
The succession of yeasts colonizing the fallen ripe amapa fruit, from Parahancornia amapa, was examined. The occupation of the substrate depended on both the competitive interactions of yeastExpand
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Rapid Diazonium Blue B Test to Detect Basidiomycetous Yeasts
More than 100 known eucaryotic microorganisms were examined for capacity to form red to violet pigments with diazonium blue B after alkaline hydrolysis and an ethanol wash. All 50 basidiomycetes gaveExpand
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Yeast communities associated with sugarcane in Campos, Rio de Janeiro, Brazil.
Yeast communities associated with sugarcane leaves, stems and rhizosphere during different phases of plant development were studied near Campos, in Rio de Janeiro, Brazil. Atmospheric temperature,Expand
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Yeast communities associated with different plant resources in sandy coastal plains of southeastern Brazil
The distribution of yeasts was studied in different plant substrata of beach and restinga ecosystems in southeastern Brazil. Candida sonorensis, Clavispora opuntiae, Pichia barkeri, Pichia cactophilaExpand
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Yeast communities of the cactus Pilosocereus arrabidae as resources for larval and adult stages of Drosophila serido.
The feeding behavior of Drosophila serido on the yeast communities of necrotic stem tissue of Pilosocereus arrabidae were studied in a sand dune ecosystem of Rio de Janeiro, Brazil. The prevalence ofExpand
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Microbial pollution indicators in Brazilian tropical and subtropical marine surface waters.
The specificity of indicators that depend on elevated incubation temperature as a selective factor for their enumeration was questioned because of the possibility of interference from autochthonousExpand
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