Sökning: "Extreme thermophile"

Hittade 4 avhandlingar innehållade orden Extreme thermophile.

  1. 1. Hydrogen Production by Caldicellulosiruptor species: The Organism and the Metabolism

    Författare :Ahmad Zeidan; Teknisk mikrobiologi; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Extreme thermophile; Caldicellulosiruptor; Biohydrogen; Co-culture; Coexistence; Hydrogen tolerance; Genome-scale reconstruction; In silico; Flux balance analysis;

    Sammanfattning : Hydrogen holds a great promise as an efficient and clean future energy carrier due to its high energy density and lack of pollutant generation. Anaerobic degradation of organic substrates by heterotrophic microorganisms enables the production of hydrogen from a wide spectrum of agricultural feedstock and waste products. LÄS MER

  3. 2. Glycoside hydrolases from extremophiles isolated in Iceland. alpha-L-Rhamnosidases and pectin degrading enzymes

    Författare :Hakon Birgisson; Bioteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; immobilization; Biotechnology; Bioteknik; crystallization; sequencing; cloning; screening; thermophile; psychrotroph; psychrophile; alpha-L-arabinofuranosidase; alpha-L-rhamnosidase; thermostable; cold active; polygalacturonase;

    Sammanfattning : Extreme environments (high and low temperature, high and low pH, etc.) are inhabited by a vast and diverse flora of microorganisms, which are adapted to these environments (extremophiles). LÄS MER

  4. 3. Exploring thermostable glycoside hydrolases: Amylases and beta-glucosidases

    Författare :Pernilla Turner; Bioteknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Bioteknik; Biotechnology; Proteiner; beta-glucosidase; thermostability; activity; cyclodextrinase; enzymology; crystallization; enzymologi; expression; glycoside hydrolase; Proteins; transglycosylation;

    Sammanfattning : Two putative cyclodextrinases (CDases) were amplified from two moderate thermophiles isolated in Iceland: Anoxybacillus flavithermus and Laceyella sacchari. They were cloned, expressed and characterized. The expression of the former was optimized in E. LÄS MER

  5. 4. Molecular development of a thermostable β-glucosidase for modification of natural products

    Författare :Sami Khan; Bioteknik; []
    Nyckelord :Thermotoga neapolitana; TnBgl1A; Mutagenesis; Flavonoid; Quercetin; Immobilisation; Chaperones;

    Sammanfattning : The gene encoding a β-glucosidase originating from the extreme thermophile Thermotoga neopolitana has been cloned and expressed in Escherichia coli. The aim was to produce a thermostable enzyme that could be used to remove sugar residues from glucosylated natural products classified as flavonoids by applying a method combining extraction in hot pressurized water with enzymatic hydrolysis. LÄS MER