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A simple form of immobilisation and its effects on morphologic trends and metabolic activity of pellet-forming microfungi

AuthorsMurado García, Miguel Anxo ; Siso, M. I. G. ; González Fernández, Pilar ; Montemayor, María I.
Microfungal morphology
Amylase production
Issue Date1995
CitationBioresource Technology 48(3): 237-243 (1995)
AbstractA simple form of immobilisation (support) of two pellet-form mycelial microorganisms on powdered core of maize cob is described. At a constant weight of support, the pellet number and size and, therefore, the pellet's surface to volume ratio were highly conditioned by the mean diameter of the support particles. Independently of the chemical nature of the support, an increase in surface to volume ratio produced an enhancement of the microbial metabolic activity, up to a point at which the small pellet size approximated the organisms in the culture to the filamentous form and reversed the tendency. Optimisation of the metabolic activity, with an important increase in the production of extracellular amylases, could be obtained by varying support diameter and amount per unit volume of culture.
Description7 páginas, 8 figuras, 2 tablas
Publisher version (URL)http://dx.doi.org/10.1016/0960-8524(94)90152-X
Appears in Collections:(IIM) Artículos
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