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2018-03-27 - Colloque/Présentation - poster - Anglais - 1 page(s)

Van Camp Camille , Wattiez Ruddy , "The exopolysaccharide production by Cyanothece sp. PCC 7822 through an adapted metabolism" in Mardi des chercheurs, Université de Valenciennes, France, 2018

  • Codes CREF : Biochimie (DI3112), Biologie moléculaire (DI3111), Microbiologie et protistologie [bacteriol.,virolog.,mycolog.] (DI3130)
  • Unités de recherche UMONS : Protéomie et Microbiologie (S828)
  • Instituts UMONS : Institut des Biosciences (Biosciences)
Texte intégral :

Abstract(s) :

(Anglais) The research is a part of the Algotech project based on the production by Cyanobacteria of high-added value products. In details, we investigate exopolysaccharide production by Cyanobacteria because of their properties and applications in cosmetics, medicine or food industries. Cyanothece sp. PCC 7822 was selected due to its ability to produce high rate of EPS. This study focuses on the impact of culture conditions such as light intensity and cycle, nitrogen source, temperature on the EPS production. Cyanothece sp. PCC 7822 grows similarly in presence of N2 or NO3- (17.6mM). Microscopic EPS examination with alcian blue shows the production of large amount of EPS and suggests the presence of sulphated and carboxylic groups in their composition. This bacterium Cyanothece sp. PCC 7822 shows its full potential by its EPS composed of carboxylic and especially sulphated group which is not the case with microalgae.

(Anglais) The research is a part of the Algotech project based on the production by Cyanobacteria of high-added value products. In details, we investigate exopolysaccharide production by Cyanobacteria because of their properties and applications in cosmetics, medicine or food industries. Cyanothece sp. PCC 7822 was selected due to its ability to produce high rate of EPS. This study focuses on the impact of culture conditions such as light intensity and cycle, nitrogen source, temperature on the EPS production. Cyanothece sp. PCC 7822 grows similarly in presence of N2 or NO3- (17.6mM). Microscopic EPS examination with alcian blue shows the production of large amount of EPS and suggests the presence of sulphated and carboxylic groups in their composition. This bacterium Cyanothece sp. PCC 7822 shows its full potential by its EPS composed of carboxylic and especially sulphated group which is not the case with microalgae.