Effects of medium and substrate preferences soil extract on growth of coolia (dinophyceae)
Coolia is a benthic dinoflagellate that lives epiphytically with a substrate. It has been reported that several of the species produce biotoxins. Therefore, this study was done to identify the substrate preferred byCoolia and the effect of media with soil extraction on the growth of the species o...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English English |
| Published: |
Universiti Malaysia Terengganu
2019
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/80093/ http://irep.iium.edu.my/80093/1/80093_EFFECTS%20OF%20MEDIUM%20AND%20SUBSTRATE%20PREFERENCES%20_article.pdf http://irep.iium.edu.my/80093/2/80093_EFFECTS%20OF%20MEDIUM%20AND%20SUBSTRATE%20PREFERENCES%20_scopus.pdf |
| Summary: | Coolia is a benthic dinoflagellate that lives epiphytically with a substrate. It has been
reported that several of the species produce biotoxins. Therefore, this study was done to identify the
substrate preferred byCoolia and the effect of media with soil extraction on the growth of the species
of C. tropicalis and C. malayensis. Several substrates; the seagrass (Enhalus), seaweed (Sargassum,
Padina (Phaeophyta), Halimeda (Chlorophyta) and coral rubbles were collected and Coolia’s cell
density was determined. C. tropicalis and C. malayensis were grown in ES-DK medium with and
without soil extract at similar conditions. The specific growth rate, division per day and generation
time were determined for both species. Results showed that Coolia flourished in the substrate with a
greater amount of thalus from brown macroalgae (Phaeophyta). While the cell density of C. tropicalis
was significantly higher in medium with soil extract, C. malayensis was significantly higher in the
medium without soil extract. This indicates that both species have similar basic requirements, but
differ in their specific needs. This information on the substrate and medium preferences increased our
knowledge of the ecology of Coolia. |
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