Protein: A proposal for a standard parameter to express cyanobacterial biomass in laboratory experiments

This study aims to check if the protein content of a cyanobacterial culture is a reliable biomass parameter for cyanobacteria in laboratory experiments, and therefore can be proposed as a standard biomass parameter in culture work to facilitate comparison of results from different studies. For this...

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Bibliographic Details
Published in:Harmful algae 2009-06, Vol.8 (5), p.726-729
Main Authors: Gjølme, Nina, Utkilen, Hans, Rohrlack, Thomas
Format: Article
Language:English
Subjects:
Algae
Animal and plant ecology
Animal, plant and microbial ecology
Autoecology
Biological and medical sciences
Biomass parameter
Biovolume
Cyanobacteria
Freshwater
Fundamental and applied biological sciences. Psychology
Microcystis aeruginosa
Planktothrix agardhii
Plant cytology, morphology, systematics, chorology and evolution
Plants and fungi
Protein
Thallophyta
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Summary:This study aims to check if the protein content of a cyanobacterial culture is a reliable biomass parameter for cyanobacteria in laboratory experiments, and therefore can be proposed as a standard biomass parameter in culture work to facilitate comparison of results from different studies. For this purpose, the cyanobacteria Microcystis aeruginosa PCC 7806 and Planktothrix agardhii PT2 were grown in 10-L batch cultures with O2 medium and under iron-, nitrate- or phosphate-limited conditions. A linear correlation was found between protein and biovolume in all cultures during exponential growth. We conclude that protein is a suitable biomass parameter for cyanobacteria in laboratory experiments during balanced growth.
ISSN:1568-9883
1878-1470
DOI:10.1016/j.hal.2009.02.005