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Provedor de dados:  Rev. Microbiol.
País:  Brazil
Título:  Sugar-cane juice induces pectin lyase and polygalacturonase in Penicillium griseoroseum
Autores:  Minussi,Rosana Cristina
Soares-Ramos,Juliana Rocha Lopes
Coelho,Jorge Luiz Cavalcante
Silva,Daison Olzany
Data:  1998-10-01
Ano:  1998
Palavras-chave:  Pectin lyase
Polygalacturonase
Pectinases
Penicillium griseoroseum
Sugar-cane juice
Resumo:  The use of other inducers as substitutes for pectin was studied aiming to reduce the production costs of pectic enzymes. The effects of sugar-cane juice on the production of pectin lyase (PL) and polygalacturonase (PG) by Penicillium griseoroseum were investigated. The fungus was cultured in a mineral medium (pH 6.3) in a rotary shaker (150 rpm) for 48 h at 25oC. Culture media were supplemented with yeast extract and sucrose or sugar-cane juice. Sugar-cane juice added singly to the medium promoted higher PL activity and mycelial dry weight when compared to pectin and the use of sugar-cane juice and yeast extract yielded levels of PG activity that were similar to those obtained with sucrose-yeast extract or pectin. The results indicated that, even at low concentrations, sugar-cane juice was capable of inducing pectin lyase and polygalacturonase with no cellulase activity in P. griseoroseum.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37141998000400002
Editor:  Sociedade Brasileira de Microbiologia
Relação:  10.1590/S0001-37141998000400002
Formato:  text/html
Fonte:  Revista de Microbiologia v.29 n.4 1998
Direitos:  info:eu-repo/semantics/openAccess
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