2009
DOI: 10.5433/1679-0359.2009v30n1p117
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Polissacarídeos de parede celular fúngica: purificação e caracterização

Abstract: ResumoA parede celular é uma estrutura rígida, essencial para a sobrevivência dos fungos, e o conhecimento de sua composição poderá ser útil para o desenvolvimento de novas drogas antifúngicas. Neste contexto, os polissacarídeos estão entre os seus principais componentes que têm sido alvos de intensa investigação científica. As informações, provenientes do conhecimento da estrutura dessas macromoléculas, poderão ser valiosas para o entendimento dos mecanismos de síntese da parede celular de fungos causadores d… Show more

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Cited by 13 publications
(9 citation statements)
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References 62 publications
(76 reference statements)
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“…In that sense, some literature data (Souza-Moreira et al, 2013;Haslam, 1996) allow us to support a reliable interaction between proanthocyanidins and proteins and polysaccharides of the fungal cell wall, thus reducing the matrix strengthening process. Since the cell wall composition varied from specie to specie regarding chitin, glucans, galactomannans (Adams, 2004;Fukuda et al, 2009), it is expected that the activity of WIF will be displayed differently according to the species and isolates studied.…”
Section: Discussionmentioning
confidence: 99%
“…In that sense, some literature data (Souza-Moreira et al, 2013;Haslam, 1996) allow us to support a reliable interaction between proanthocyanidins and proteins and polysaccharides of the fungal cell wall, thus reducing the matrix strengthening process. Since the cell wall composition varied from specie to specie regarding chitin, glucans, galactomannans (Adams, 2004;Fukuda et al, 2009), it is expected that the activity of WIF will be displayed differently according to the species and isolates studied.…”
Section: Discussionmentioning
confidence: 99%
“…A parede celular é o primeiro contato da imunidade inata: células Natural killer, complemento, proteínas plasmáticas e células fagocíticas, do hospedeiro com o fungo, além de fornecer suporte osmótico, estabelecem o formato celular e proteção física à levedura. 27,28,31 Lupenona foi testada em meio à presença do protetor osmótico sorbitol. Essa substância forma uma camada externa protetora deixando a célula na forma de protoplasma, permitindo que a mesma, em caso de perda de sua parede celular, não se torne hipotônica e sofra morte celular.…”
Section: Discussionunclassified
“…The cell walls of members of the Cladosporium genus have a complex composition consisting mainly of polysaccharides (80-90%) and, to a lesser extent, proteins, glycoproteins and lipids [14]. Chitin and β-glucans are the main polysaccharides and are located in the inner layer of the cell wall, whereas glycoproteins are anchored in the outermost layer [15][16][17]. Fungal cell wall composition may vary according to the morphological type, growth stage and fungal species and is different from the plant cell wall composition, which mainly includes cellulose [18].…”
Section: Introductionmentioning
confidence: 99%