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Immobilization of mutated xylanase from Neocallimastix patriciarum in E. coli and application for kraft pulp biobleaching / Imobilização de xilanase mutada de Neocallimastix patriciarum em E. coli e aplicação para polpa kraft
Huang, Y; Zhang, N J; Zhao, Z.
  • Huang, Y; Jiangsu University of Science and Technology. School of Grain Science and Technology. Zhenjiang. CN
  • Zhang, N J; Jiangsu University of Science and Technology. School of Grain Science and Technology. Zhenjiang. CN
  • Zhao, Z; Jiangsu University of Science and Technology. School of Grain Science and Technology. Zhenjiang. CN
Braz. j. biol ; 83: e243629, 2023. tab, graf
Article in English | LILACS, VETINDEX | ID: biblio-1285611
ABSTRACT
Abstract As an important enzyme, xylanase is widely used in the food, pulp, and textile industry. Different applications of xylanase warrant specific conditions including temperature and pH. This study aimed to carry out sodium alginate beads as carrier to immobilize previous reported mutated xylanase from Neocallimastix patriciarum which expressed in E. coli, the activity of immobilization of mutated xylanase was elevated about 4% at pH 6 and 13% at 62 °C. Moreover, the immobilized mutated xylanase retained a greater proportion of its activity than the wide type in thermostability. These properties suggested that the immobilization of mutated xylanase has potential to apply in biobleaching industry.
RESUMO
Resumo Como importante enzima, a xilanase é amplamente utilizada na indústria alimentícia, de celulose e têxtil. Diferentes aplicações de xilanase garantem condições específicas, incluindo temperatura e pH. Este estudo teve como objetivo realizar grânulos de alginato de sódio como carreador para imobilizar xilanase mutada relatada anteriormente de Neocallimastix patriciarum que expressa em E. coli, a atividade de imobilização da xilanase mutada foi elevada em cerca de 4% em pH 6 e 13% a 62 °C. Além disso, a xilanase mutada imobilizada reteve uma proporção maior de sua atividade do que o tipo amplo em termoestabilidade. Essas propriedades sugerem que a imobilização da xilanase mutada tem potencial para aplicação na indústria de biobranqueamento.
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Full text: Available Index: LILACS (Americas) Main subject: Neocallimastix Language: English Journal: Braz. j. biol Year: 2023 Type: Article Institution/Affiliation country: Jiangsu University of Science and Technology/CN

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Full text: Available Index: LILACS (Americas) Main subject: Neocallimastix Language: English Journal: Braz. j. biol Year: 2023 Type: Article Institution/Affiliation country: Jiangsu University of Science and Technology/CN