Effect of glucose and light-dark environment on pigmentation profiles in the cyanobacterium Calothrix elenkenii
Language English Country United States Media print
Document type Journal Article, Research Support, Non-U.S. Gov't
PubMed
15114861
DOI
10.1007/bf02931641
Knihovny.cz E-resources
- MeSH
- Acetylene metabolism MeSH
- Adenosine Triphosphate biosynthesis MeSH
- beta Carotene analysis biosynthesis MeSH
- Pigments, Biological biosynthesis MeSH
- Time Factors MeSH
- Chlorophyll analysis biosynthesis MeSH
- Energy Metabolism MeSH
- Glucose metabolism MeSH
- Kinetics MeSH
- Oxidation-Reduction MeSH
- Pigmentation physiology MeSH
- Cyanobacteria cytology metabolism MeSH
- Light * MeSH
- Light-Harvesting Protein Complexes analysis biosynthesis MeSH
- Darkness * MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Names of Substances
- Acetylene MeSH
- Adenosine Triphosphate MeSH
- beta Carotene MeSH
- Pigments, Biological MeSH
- Chlorophyll MeSH
- Glucose MeSH
- Light-Harvesting Protein Complexes MeSH
Calothrix elenkenii was evaluated for accumulation of chlorophyll, beta-carotene and phycobiliproteins when grown under light-dark cycles and darkness, in the presence of glucose. Highest values of beta-carotene, chlorophyll, proteins and acetylene-reducing activity were recorded when the organism was grown in the presence of glucose under light-dark cycles after 15 d of incubation. The presence of glucose in the medium stimulated pigment production, especially of beta-carotene and chlorophyll, which may be due to increased energy-linked assimilation and ATP production. The photoheterotrophic potential of C. elenkenii can be exploited in value addition for increased and economic production of pigments.
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