Abstract
Calothrix elenkenii was evaluated for accumulation of chlorophyll, β-carotene and phycobiliproteins when grown under light-dark cycles and darkness, in the presence of glucose. Highest values of β-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 β-carotene and chlorophyll, which may be due to increased energy-linked assimilation and ATP production. The photoheterotrophic potential ofC. elenkenii can be exploited in value addition for increased and economic production of pigments.
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Abbreviations
- ARA:
-
acetylene-reducing activity
- APC:
-
allophycocyanin
- L:D:
-
light-dark cycles
- PC:
-
phycocyanin
- PE:
-
phycoerythrin
- TPBS:
-
total phycobiliproteins
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Prasanna, R., Pabby, A. & Singh, P.K. Effect of glucose and light-dark environment on pigmentation profiles in the cyanobacteriumCalothrix elenkenii . Folia Microbiol 49, 26–30 (2004). https://doi.org/10.1007/BF02931641
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DOI: https://doi.org/10.1007/BF02931641