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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/6812
Title: 
Botryosphaeran, a new substrate for the production of beta-1,3-glucanases by Botryosphaeria rhodina and Trichoderma harzianum Rifai
Author(s): 
Institution: 
  • Universidade Estadual de Londrina (UEL)
  • Universidade Estadual Paulista (UNESP)
ISSN: 
1359-5113
Abstract: 
Botryosphaeria rhodina and Trichoderma harzianum Rifai were grown on botryosphaeran (an exopolysaccharide (EPS) of the beta-1,3; 1,6-D-Glucan type produced by B. rhodina) as sole carbon source with the objective of producing beta-glucanases of the beta-type. Conditions for beta-1,3-glucanase production by T harzianum were examined by a statistical response surface method, and showed maximal enzyme production at 5 days growth in media containing 1.5 g/1 of EPS. Good agreement was obtained between the experimental values of beta-1, 3-glucanase activity and the corresponding values predicted by the mathernatical model. The crude beta-1,3-glucanase preparations were active towards a number of different beta-1,3-glucans and beta-glucosides. The mycelium of B. rhodina also proved to be a good substrate for beta-1,3-glucanase production by both fungal species. (c) 2005 Published by Elsevier Ltd.
Issue Date: 
1-Dec-2005
Citation: 
Process Biochemistry. Oxford: Elsevier B.V., v. 40, n. 12, p. 3783-3788, 2005.
Time Duration: 
3783-3788
Publisher: 
Elsevier B.V.
Keywords: 
  • Botryosphaeran
  • Botryosphaeria rhodina
  • exopolysaccharide beta-1,3-glucanases
  • Trichoderma harzianus Rifai
  • response surface methodology
Source: 
http://dx.doi.org/10.1016/j.procbio.2005.04.004
URI: 
Access Rights: 
Acesso restrito
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/6812
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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