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Provedor de dados:  Electron. J. Biotechnol.
País:  Chile
Título:  Production of Rhodotorula glutinis: a yeast that secretes alpha-L-arabinofuranosidase
Autores:  Martínez,Claudio
Gertosio,Cecilia
Labbe,Angelica
Pérez,Rafael
Ganga,Maria Angélica
Data:  2006-07-01
Ano:  2006
Palavras-chave:  Alpha-L-arabinofuranosidase yeast
Enzymes
Wine
Resumo:  Rhodotorula glutinis is a yeast that secretes the enzyme alpha-L-arabinofuranosidase (E.C. 3.2.1.55) into the culture medium and thus has an interesting biotechnological potential. To determine improved culture conditions of this organism, different factors of the culture media were evaluated such as the use of peptone as nitrogen source, salts composition, pH and growth temperature. Likewise, beet molasses and beet cosette were tested as industrial carbon sources to induce the production of the enzyme and how they influence the yeast growth. Based on these studies a culture medium is proposed for growth of this yeast in a continuous system. By assaying different dilution rates an average specific activity for the enzyme of 82.4 U/mg of protein was obtained.
Tipo:  Journal article
Idioma:  Inglês
Identificador:  http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000400009
Editor:  Pontificia Universidad Católica de Valparaíso
Formato:  text/html
Fonte:  Electronic Journal of Biotechnology v.9 n.4 2006
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