Isolation and characterization of an Antarctic Flavobacterium strain with agarase and alginate lyase activities

Paris Lavín, Cristian Atala, Jorge Gallardo-Cerda, Marcelo Gonzalez-Aravena, Rodrigo De La Iglesia, Rómulo Oses, Cristian Torres-Díaz, Nicole Trefault, Marco A. Molina-Montenegro, H. Dail Laughinghouse

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

7 Citas (Scopus)


Several bacteria that are associated with macroalgae can use phycocolloids as a carbon source. Strain INACH002, isolated from decomposing Porphyra (Rhodophyta), in King George Island, Antarctica, was screened and characterized for the ability to produce agarase and alginate-lyase enzymatic activities. Our strain INACH002 was identified as a member of the genus Flavobacterium, closely related to Flavobacterium faecale, using 16S rRNA gene analysis. The INACH002 strain was characterized as psychrotrophic due to its optimal temperature (17°C) and maximum temperature (20°C) of growth. Agarase and alginate-lyase displayed enzymatic activities within a range of 10°C to 50°C, with differences in the optimal temperature to hydrolyze agar (50°C), agarose (50°C) and alginate (30°C) during the first 30 min of activity. Strain Flavobacterium INACH002 is a promising Antarctic biotechnological resource; however, further research is required to illustrate the structural and functional bases of the enzymatic performance observed during the degradation of different substrates at different temperatures.

Idioma originalInglés
Páginas (desde-hasta)403-419
Número de páginas17
PublicaciónPolish Polar Research
EstadoPublicada - 1 sept. 2016
Publicado de forma externa


Profundice en los temas de investigación de 'Isolation and characterization of an Antarctic Flavobacterium strain with agarase and alginate lyase activities'. En conjunto forman una huella única.

Citar esto