Abstract
Four green microalgae (Chlorella sorokiniana, Chlorella vulgaris, Scenedesmus obliquus and Selenastrum capricornutum), a wild Bolivian microalga strain and two cyanobacteria (Anabaena catenula and Microcystis aeruginosa) were compared for tolerance to salicylate, O2 production capacity and ability to support salicylate degradation by a Ralstonia basilensisstrain in symbiotic microcosms with the microalgae. Microcystis aeruginosa had the highest tolerance to salicylate at 500 mg l−1 and 1500 mg l−1 but only produced 0.7 mg O2 l−1 h−1 in the absence of pollutant. Chlorella sorokiniana resisted salicylate at 1500 mg l−1 with the highest O2 production in the absence of salicylate (26 mg l−1 h−1) closely followed by the Bolivian microalga (23 mg l−1 h−1) and Chlorella vulgaris (21 mg l−1 h−1). Selenastrum capricornutum and Anabaena catenula were completely inhibited by salicylate at 500 mg l−1. When inoculated with Ralstonia sp. and supplied with salicylate, Chlorella sorokiniana had the highest removal rate (19 mg l−1 h−1), followed by the wild Bolivian strain (18 mg l−1 h−1) and Chlorella vulgaris (14 mg l−1 h−1).
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Muñoz, R., Köllner, C., Guieysse, B. et al. Salicylate biodegradation by various algal-bacterial consortia under photosynthetic oxygenation. Biotechnology Letters 25, 1905–1911 (2003). https://doi.org/10.1023/B:BILE.0000003980.96235.fd
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DOI: https://doi.org/10.1023/B:BILE.0000003980.96235.fd