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Comparative production of ligninolytic enzymes by Phanerochaete chrysosporium and Polyporus sanguineus

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Abstract:

The aim of the present study was to compare the effect of a wide range of culture conditions on production of ligninolytic enzymes by Polyporus sanguineus and Phanerochaete chrysosporium. Lignin peroxidase production by P. sanguineus was comparable with that of P. chrysosporium, although the culture conditions giving the highest yield varied greatly between the two fungi. Highest yield of manganese peroxidase by P. sanguineus obtained in 0.5% malt extract medium and peptone or malt extract supplemented mineral salts broth could not be surpassed by P. chrysosporium in any of the optimization experiments. In addition to lignin peroxidase and manganese peroxidase, P. sanguineus also produced laccase, which was best expressed in malt extract medium supplemented with sugarcane bagasse.

Le but de la présente étude était de comparer les effets d’un large spectre de conditions de culture sur la production d’enzymes ligninolytiques par Polyporus sanguineus et Phanerochaete chrysosporium. La production de lignine peroxydase par P. sanguineus était comparable à celle de P. chrysosporium, quoique les conditions de culture permettant un rendement optimal variaient grandement entre ces deux espèces de champignons. Le meilleur rendement de production de manganèse peroxydase obtenu par P. sanguineus dans un milieu contenant 0.5 % d’extrait de malt et de peptone ou d’extrait de malt supplémenté par des sels minérauxne pouvait être surpassé par P. chrysosporium dans aucune des expériences d’optimisation. En plus de la lignine peroxydase et de la manganèse peroxydase, P. sanguineus produisait aussi de la laccase, qui était le mieux exprimée dans le milieu contenant de l’extrait de malt supplémenté avec de la bagasse de canne à sucre.

Document Type: Research Article

Publication date: December 1, 2009

More about this publication?
  • Published since 1954, this monthly journal contains new research in the field of microbiology including applied microbiology and biotechnology; microbial structure and function; fungi and other eucaryotic protists; infection and immunity; microbial ecology; physiology, metabolism and enzymology; and virology, genetics, and molecular biology. It also publishes review articles and notes on an occasional basis, contributed by recognized scientists worldwide.
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