Navegando por Autor "Pereira, Geni Varéa-"

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    Production of extracellular protease by a brazilian strain of Beauveria bassiana reactivated on coffee berry borer, Hypothenemus hampei
    (Instituto de Tecnologia do Paraná - Tecpar, 2007-03) Ito, Eliana Tiemi; Pereira, Geni Varéa-; Miyagui, Dalva Tomoe; Pinotti, Maria Helena Pimenta; Neves, Pedro Manoel Oliveira Janeiro
    Studies were carried out on extracellular protease production by Beauveria bassiana CG432 in liquid medium containing glucose and yeast extract. B. Bassiana presented active growth after lag period of 24 h., produced 80% of the total of the extracellular protease activity in 48 h which was maximum on the 5 th culture day. The extracellular protease presented optimum activity at 60 o C, was stable up to 1M Cl - , maintained the stability during 15 day at 4 o C and -18 o C, but was not stable if frozen repeatedly.