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Braz. j. biol ; Braz. j. biol;71(3): 687-692, Aug. 2011. ilus, graf, tab
مقالة ي الانجليزية | LILACS | ID: lil-597176

الملخص

A novel antifungal protein with a molecular mass around 50 kDa was purified from seeds of Sesbania virgata (Cav.) Pers. using ammonium sulfate fractionation followed by gel filtration on a Sephadex G-75 Superfine (Sigma) column and reverse-phase high performance liquid chromatography on a C8 column. The protein, designated FP1-A, with a novel N-terminal sequence AMVHSPGG(S)FS(P), showed growth inhibitory activity of filamentous fungi Aspergillus niger, Cladosporium cladosporioides, Colletotrichum gloeosporioides and Fusarium solani.


Uma nova proteína com atividade antifúngica, com massa molar de cerca de 50 kDa, foi purificada de sementes de Sesbania virgata (Cav.) Pers. utilizando precipitação com sulfato de amônia, filtração em gel em coluna de Sephadex G-75 Superfine (Sigma) e cromatografia líquida de alta eficiência em fase reversa (coluna C8). A proteína purificada foi designada FP1-A, com a sequência N-terminal AMVHSPGG(S)FS(P), apresentando atividade inibitória do crescimento dos fungos filamentosos Aspergillus niger, Cladosporium cladosporioides, Colletotrichum gloeosporioides e Fusarium solani.


الموضوعات
Antifungal Agents/pharmacology , Mitosporic Fungi/drug effects , Seeds/chemistry , Sesbania/chemistry , Antifungal Agents/isolation & purification , Chromatography, Gel , Chromatography, High Pressure Liquid , Electrophoresis, Polyacrylamide Gel
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