Characterization of the pectinolytic enzymes of the marine psychrophilic bacterium Pseudoalteromonas haloplanktis strain ANT-505 [Elektronische Ressource] / vorgelegt von Le Van Truong

Characterization of the pectinolytic enzymes of the marine psychrophilic bacterium Pseudoalteromonas haloplanktis strain ANT/505 Inauguraldissertation zur Erlangung des akademischen Grades Doktor rerum naturalium (Dr. rer. nat.) an der Mathematisch-Naturwissenschaftlichen Fakultät der Ernst-Moritz-Arndt-Universität Greifswald vorgelegt von Le Van Truong geboren am 1. März 1966 in Thanh Hoa – Vietnam Greifswald, 21.09.2006 Dekan: 1. Gutachter: 2. Gutachter: Tag der Promotion: 2 Table of Contents Page Chapter I. 5 1. Introduction 6 1.1. Psychrophylic Bacteria 6 1.2. Habitats of Psychrophilic bacteria 7 1.3. Cold-adapted enzymes 7 1.3.1. What are cold-adapted enzymes? 7 1.3.2. Enzyme catalysis at low temperatures 8 1.3.3. Low stability of cold-adapted enzymes 9 1.3.4. The active site of cold-adapted enzymes 9 1.3.5. The three-dimensional structure of cold-adapted 10 enzymes 1.3.6. Cold-acclimation proteins and Antifreeze proteins 11 1.4.