Article (Scientific journals)
Cold-adapted enzymes from marine antarctic microorganisms
Marx, J. C.; Collins, T.; D'Amico, Salvino et al.
2007In Marine Biotechnology, 9 (3, May-Jun), p. 293-304
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Keywords :
Antarctic; biotechnology; cold adaptation; psychrophiles
Abstract :
[en] The Antarctic marine environment is characterized by challenging conditions for the survival of native microorganisms. Indeed, next to the temperature effect represented by the Arrhenius law, the viscosity of the medium, which is also significantly enhanced by low temperatures, contributes to slow down reaction rates. This review analyses the different challenges and focuses on a key element of life at low temperatures: cold-adapted enzymes. The molecular characteristics of these enzymes are discussed as well as the adaptation strategies which can be inferred from the comparison of their properties and three-dimensional structures with those of their mesophilic counterparts. As these enzymes display a high specific activity at low and moderate temperatures associated with a relatively high thermosensitivity, the interest in these properties is discussed with regard to their current and possible applications in biotechnology.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Marx, J. C.
Collins, T.
D'Amico, Salvino ;  Université de Liège - ULiège > GIGA-Research
Feller, Georges ;  Université de Liège - ULiège > Département des sciences de la vie > Labo de biochimie
Gerday, Charles ;  Université de Liège - ULiège > Services généraux (Faculté des sciences) > Relations académiques et scientifiques (Sciences)
Language :
English
Title :
Cold-adapted enzymes from marine antarctic microorganisms
Publication date :
2007
Journal title :
Marine Biotechnology
ISSN :
1436-2228
eISSN :
1436-2236
Publisher :
Springer, New York, United States - New York
Volume :
9
Issue :
3, May-Jun
Pages :
293-304
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 26 January 2010

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