Cadmium toxicity on <i>Cunninghamella elegans</i>: Ultrastructural damage and actin cytoskeleton alterations

Lima, Marcos Antônio Barbosa de; Souza, Patrícia Mendes de; Marinho, Petrusk Homero Campos; Stamford, Thayza Christina Montenegro; Nascimento, Aline Elesbão do; Campos‐Takaki, Galba Maria de

doi:10.1142/9789812837554_0038

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“…The fungus Cunninghamella elegans UCP/WFCC 0542 was isolated and characterized in our laboratory. It can produce chitin and chitosan [1,2], catabolize xenobiotic compounds, especially azo dyes [3,4,5] and heavy metals by biosorption [6], in addition to which it can perform the biological desulfurization of organic sulfur dibenzothiophene—DBT [7], which the literature on C. elegans has corroborated [8].…”

Section: Introductionmentioning

confidence: 99%

Enhancement of Cunninghamella elegans UCP/WFCC 0542 Biomass and Chitosan with Amino Acid Supply

et al. 2013

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Studies were carried out with Cunninghamella elegans UCP/WFCC 0542 to evaluate the effects of an abundant supply of amino acids, asparagine and corn steep liquor associated with sucrose on the production of biomass and chitosan by submerged fermentation. The concentrations of the components of the culture medium which were determined by a 2 3 full factorial design evaluated the interactions and effects of the independent variables of the sucrose, asparagine and corn steep liquor in relation to carbon and nitrogen sources, on the production of chitosan regarding biomass. The best results were observed at the central point [asparagine 0.025%, sucrose 0.15% and 0.45% of corn . The crystallinity index of chitosan was 60.92%, and its degree of deacetylation was 75.25%. A low percentage of a supply of sucrose and asparagine with corn steep liquor offered higher yields of biomass and chitosan production at low cost.

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