Decolorization of synthetic dyes by the deuteromycete Pestalotiopsis guepinii CLPS no. 786 strain

MARIO CARLOS NAZARENO SAPARRAT; HAMMER, E.

Journal Basic of Microbiology

Año: 2006 vol. 46 p. 28 - 33

(Instituto Spegazzini, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, 53 477, B1900AVJ, La Plata, Argentina and 1Institut für Mikrobiologie, Ernst Moritz Arndt Universität Greifswald, F. L. Jahnstr. 15, D-17487 Greifswald, Germany)   Decolorization of synthetic dyes by the deuteromycete Pestalotiopsis guepinii CLPS no. 786 strain   MARIO CARLOS NAZARENO SAPARRAT* and ELKE HAMMER1   Short title: Dye decolorization by Pestalotiopsis guepinii                           *Corresponding author: Dr. M. C. N. SAPARRAT; email: masaparrat@yahoo.com.ar Summary The ability of Pestalotiopsis guepinii CLPS no. 786 to decolorize 13 dyes of varied structure was analyzed and compared with that of the basidiomycete Phanerochaete chrysosporium. Nine dyes representing anthrapyridone, azo, N-heterocyclic and triphenylmethane chromophores, but none with the O-heterocyclic group, were decolorized by P. guepinii when applicated in an agar medium. Studies with liquid cultures revealed that P. guepinii transformed both cristal violet and methylene blue B dyes, and adsorbed different chromophores onto its mycelium.