Alkaloid gramine to control algal invaders: Algae inhibition and gramine persistence
| Autor: | Wiebke J. Boeing, F. Omar Holguin, Michael C. Canton |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Gramine
Chlorella sorokiniana Environmental Engineering biology Indole alkaloid Renewable Energy Sustainability and the Environment Chemistry 020209 energy Alkaloid Bioengineering 02 engineering and technology 010501 environmental sciences biology.organism_classification 01 natural sciences Persistence (computer science) chemistry.chemical_compound Chlorella Algae Botany 0202 electrical engineering electronic engineering information engineering Waste Management and Disposal Coelastrella 0105 earth and related environmental sciences |
| Zdroj: | Bioresource Technology Reports. 7:100304 |
| ISSN: | 2589-014X |
| Popis: | Algae cultivation has many applications, however, limiting system contamination is imperative. Algae competitors invading cultivation systems can negatively interfere. Here, we test the potential usefulness of an indole alkaloid allelochemical (gramine) to control invasions of Chlorella sorokiniana cultures by undesired Coelastrella sp. Chlorella sorokiniana and Coelastrella sp. cultures were exposed to 0, 4, 16, 32, and 64 mg gramine L−1 (n = 4) in test tubes in a rotator drum. Algae growth was measured by optical density at 750 nm and gramine concentration via high performance liquid chromatography (HPLC) over 16 days. C. sorokiniana growth was significantly inhibited at gramine concentrations above 16 mg L−1, while Coelastrella sp. responded to concentrations as low as 4 mg L−1. This shows that 4 mg L−1 gramine might aid Chlorella cultures when invaded by a competitor such as Coelastrella. HPLC results indicate that algae remove gramine from water, allowing algae cultures to recover. |
| Databáze: | OpenAIRE |
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