2002
DOI: 10.1046/j.1365-2672.2002.01783.x
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Extracellular enzymatic activity profiles in yeast and yeast-like strains isolated from tropical environments

Abstract: Aims: The objective of this study was to investigate the extracellular enzymatic activity (EEA) profile of yeasts isolated from tropical environments of the Brazilian rain forest. This screening survey could constitute the first approach in selecting yeast strains of environmental origin potentially exploitable as enzyme producers. Methods and Results: In this study, 348 yeast (193 ascomycetes and 155 basidiomycetes) and 46 yeast-like strains (Aureobasidium pullulans) were screened for their EEA profile. The s… Show more

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Cited by 171 publications
(123 citation statements)
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“…No growth was seen on the control currency notes. The prevalence of the isolated fungi in this work had been reported in soil and air samples [12,13] and from materials exposed to the atmosphere [14,15] suggesting that the fungal contaminants are mainly from soil and atmosphere when currency notes are exposed; this is corroborated by the absence of fungal growth on the control notes. The higher frequency of isolation from N50 denomination and N20 denominations could be due to these notes being more in circulation and, therefore, most frequently handled.…”
Section: Introductionsupporting
confidence: 74%
“…No growth was seen on the control currency notes. The prevalence of the isolated fungi in this work had been reported in soil and air samples [12,13] and from materials exposed to the atmosphere [14,15] suggesting that the fungal contaminants are mainly from soil and atmosphere when currency notes are exposed; this is corroborated by the absence of fungal growth on the control notes. The higher frequency of isolation from N50 denomination and N20 denominations could be due to these notes being more in circulation and, therefore, most frequently handled.…”
Section: Introductionsupporting
confidence: 74%
“…Após quatro dias de incubação das bactérias nesse meio, adicionou-se, em cada placa, 5 mL de tintura de iodo. Uma zona amarelada ao redor da colônia, em contraste com o meio azulado (Figura 1), indicou atividade amilolítica 6 .…”
Section: Atividade Amilolítica Dos Rizóbios Em Meio Sólidounclassified
“…O gênero Bacillus é um dos mais importantes e investigados grupos de bactérias produtoras de amilase comercial 26 . Porém, programas para selecionar novas fontes microbianas estão crescendo ao redor do mundo 6,33,34 .…”
Section: Introductionunclassified
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“…Após quatro dias de incubação a 28ºC, as colônias na placa de Petri foram reveladas com solução de tintura de iodo. Uma zona amarela suave ao redor da colônia em contraste com o meio azul indicou resultado positivo para a atividade amilolítica [6].…”
Section: -Atividade Amilolíticaunclassified