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Metabolic engineering of Escherichia coli for biotechnological chondroitin production

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Detalhes bibliográficos
Resumo:[Excerpt] Background: Chondroitin is a glycosaminoglycan that is usually extracted from animal cartilage. It has been widely used in dietary supplements for osteoarthritis due to its anti-inflammatory properties. Microbial fermentation has been evaluated as a promising, safer and more sustainable source for this compound. The most studied microorganism for biotechnological production of chondroitin is the pathogen Escherichia coli O5:K4:H4 [1–5], since it naturally produces fructosylated chondroitin as a capsule constituent. Despite the advances on strain and bioprocess enhancement using E. coli K4 or recombinant strains, the yields obtained in microbial fermentations are not sufficient to meet the increasing demand. In silico analysis can provide insights on the design of strains with improved metabolic flux towards chondroitin production. [...]
Autores principais:Couto, Márcia R.
Outros Autores:Dias, Oscar; Rodrigues, Joana Lúcia Lima Correia; Rodrigues, L. R.
Assunto:Ciências Naturais::Ciências Biológicas
Ano:2021
País:Portugal
Tipo de documento:comunicação em conferência
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Minho
Idioma:inglês
Origem:RepositóriUM - Universidade do Minho
Descrição
Resumo:[Excerpt] Background: Chondroitin is a glycosaminoglycan that is usually extracted from animal cartilage. It has been widely used in dietary supplements for osteoarthritis due to its anti-inflammatory properties. Microbial fermentation has been evaluated as a promising, safer and more sustainable source for this compound. The most studied microorganism for biotechnological production of chondroitin is the pathogen Escherichia coli O5:K4:H4 [1–5], since it naturally produces fructosylated chondroitin as a capsule constituent. Despite the advances on strain and bioprocess enhancement using E. coli K4 or recombinant strains, the yields obtained in microbial fermentations are not sufficient to meet the increasing demand. In silico analysis can provide insights on the design of strains with improved metabolic flux towards chondroitin production. [...]