Summary
A study was made of the factors affecting the toxicity to the blue-green alga, Anacystis nidulans, of two quinones, 2,3-dichloro-1,4-naphthoquinone and 9,10-phenanthraquinone. These two substances, which are known to be far more toxic to blue-green algae than other quinones so far studied, were shown to differ considerably in their properties. For instance, the toxicity of 2,3-dichloro-1,4-naphthoquinone is increased by light, vitamin K3 and H2O2, whilst vitamin K1 has no effect. On the other hand, the toxicity of 9,10-phenanthraquinone is increased by vitamin K3, decreased by vitamin K1, whilst H2O2 and light have no effect. The toxicity of both substances is decreased by the extracellular materials of various blue-green algae.
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Whitton, B.A., MacArthur, K. The action of two toxic quinones on Anacystis nidulans . Archiv. Mikrobiol. 57, 147–154 (1967). https://doi.org/10.1007/BF00408698
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DOI: https://doi.org/10.1007/BF00408698