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Heterotrophic Growth of Blue-Green Algae in Dim Light

1971; American Society for Microbiology; Volume: 105; Issue: 3 Linguagem: Inglês

10.1128/jb.105.3.685-689.1971

1098-5530

Chase Van Baalen, Derek S. Hoare, E.E. Brandt,

Marine and coastal plant biology

A unicellular blue-green alga, Agmenellum quadruplicatum , and a filamentous blue-green alga, Lyngbya lagerheimíi , were grown heterotrophically in dim light with glucose as major source of carbon and possibly energy. The dim-light conditions did not support autotrophic growth. The two blue-green algae appeared to have the same metabolic block, namely an incomplete tricarboxylic acid cycle, as has been found in other obligately phototrophic blue-green algae. Under dim-light conditions, glucose made a greater contribution to cell constituents (amino acids) of A. quadruplicatum and L. lagerheimii than under high-light conditions.