Тип публикации: статья из журнала
Год издания: 2005
Ключевые слова: Glucose-utilizing strain, Hydrogen-oxidizing bacteria, Polyhydroxyalkanoates, Synthesis, Bacteria (microorganisms), Cupriavidus necator, bacterial RNA, glucose, hydrogen, hydroxybutyric acid, polymer, RNA 16S, article, culture medium, genetics, growth, development and aging, metabolism, mutation, oxidation reduction reaction, physiology, Wautersia eutropha, Culture Media, Hydroxybutyrates, Oxidation-Reduction, Polymers, RNA, Bacterial, RNA, Ribosomal, 16S
Аннотация: The physiological, biochemical, genetic, and cultural characteristics of the glucose-utilizing mutant strain Ralstonia eutropha B8562 were investigated in comparison with the parent strain R. eutropha B5786. The morphological, cultural, and biochemical characteristics of strain R. eutropha B8562 were similar to those of strain R. eutropha B5786. Genetic analysis revealed differences between the 16S rRNA gene sequences of these strains. The growth characteristics of the mutant using glucose as the sole carbon and energy source were comparable with those of the parent strain grown on fructose. Strain B8562 was characterized by high yields of polyhydroxyalkanoate (PHA) from different carbon sources (CO2, fructose, and glucose). In batch culture with glucose under nitrogen limitation, PHA accumulation reached 90% of dry weight. In PHA, ?-hydroxybutyrate was predominant (over 99 mol %); ?-hydroxyvalerate (0.25-0.72 mol %) and ?-hydroxyhexanoate (0.008-1.5 mol %) were present as minor components. The strain has prospects as a PHA producer on glucose-containing media.
Выпуск журнала: Vol. 74, Is. 6
Номера страниц: 788-794
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- Scopus (цитирований 1)
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