Abstract:RESUMO -Compostos antioxidantes apresentam capacidades funcionais que podem proporcionar o prolongamento da vida pela atenuação do estresse oxidativo. Em vista disto, objetivou-se verificar a ação protetora da ficocianina na viabilidade celular da Saccharomyces cerevisiae mutantes ao gene sir. Utilizou-se cepas de leveduras Saccharomyces cerevisiae controle (BY4741) e deletadas aos genes sir1, sir2, sir3 e sir4. As células foram crescidas em meio YPD 2 %. As cepas foram submetidas a 24 h de envelhecimento e co… Show more
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