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Morphological characterization of the growing front of Rhizopus oligosporus in solid media by Brenda Hildeliza Camacho Díaz; Antonio Jiménez Aparicio; José Jorge Chanona-Pérez; Georgina Calderón-Domínguez; Liliana Alamilla-Beltrán; Humberto Hernández-Sánchez; Gustavo F. Gutiérrez-López is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Morphological characterization of the growing front of Rhizopus oligosporus in solid media about?

Rhizopus oligosporus is used to prepare tempeh and is formed by hyphae which grow as a complex branched structure with irregular borders. The objective of this research was to characterize the macro and micro structural development of R. oligosporus colonies growing on solid media in Petri dishes through image processing and fractal dimension. Stereomicroscope images of the colony were used to detecting the zone in which the fractal dimension (FDE) of the edge (growing front) of the colony represented 97% of the maximum FDE for the 80% of the image of the border. Evaluated characteristics were: radial growth, number of tips in the growing front and the average length of hypha. Two simultaneous events of different and oscillating magnitude were detected in the growing front: branching and increase of the average hypha length. Biomass had a good correlation with radius of the colony, fractal dimension of texture (FDT) and number of tips in the border.

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Author

Brenda Hildeliza Camacho Díaz; Antonio Jiménez Aparicio; José Jorge Chanona-Pérez; Georgina Calderón-Domínguez; Liliana Alamilla-Beltrán; Humberto Hernández-Sánchez; Gustavo F. Gutiérrez-López

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0260-8774)

Published

2010

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)