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	Provedor de dados BJM (1) Autor Arikan,Burhan (1) Aygan,Ashabil (1) Dinçer,Sadik (1) Korkmaz,Hatice (1) Çolak,Ömer (1) Palavra-chave Alkaliphilic (1) Bacillus sp. (1) Enzyme (1) Thermostable (1) Α-amylase (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2008 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Highly thermostable and alkaline α-amylase from a halotolerant-alkaliphilic Bacillus sp. AB68 BJM Aygan,Ashabil; Arikan,Burhan; Korkmaz,Hatice; Dinçer,Sadik; Çolak,Ömer. An alkaliphilic and highly thermostable α-amylase producing Bacillus sp. was isolated from Van soda lake. Enzyme synthesis occurred at temperatures between 25ºC and 40ºC. Analysis of the enzyme by SDS-PAGE revealed a single band which was estimated to be 66 kDa. The enzyme was active in a broad temperature range, between 20ºC and 90ºC, with an optimum at 50ºC; and maximum activity was at pH 10.5. The enzyme was almost completely stable up to 80ºC with a remaining activity over 90% after 30 min pre-incubation. Thermostability was not increased in the presence of Ca2+. An average of 75% and 60ºC of remaining activity was observed when the enzyme was incubated between pH 5 and 9 for 1 h and for 2 h, respectively. The activity of the enzyme was inhibited by... Tipo: Info:eu-repo/semantics/article Palavras-chave: Bacillus sp.; Α-amylase; Alkaliphilic; Thermostable; Enzyme. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822008000300027 Registros recuperados: 1 Primeira ... 1 ... Última

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