Nutrient composition of marine Thraustochytrid and its immunostimulatory effect on marine finfish
Marine thraustochytrids are found widely in marine environment and they have an important role in decomposing organic material in mangrove areas. Thrallstochytrids especially those belonging to genus Schizochytrium had became the focus in the production of docosahexaenoic acid (DHA). They emerged as...
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| Main Authors: | , |
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| Format: | Research Report |
| Language: | English |
| Published: |
Universiti Malaysia Sabah
2010
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| Subjects: | |
| Online Access: | https://eprints.ums.edu.my/id/eprint/22826/1/Nutrient%20composition%20of%20marine%20Thraustochytrid%20and%20its%20immunostimulatory%20effect%20on%20marine%20finfish.pdf https://eprints.ums.edu.my/id/eprint/22826/ |
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| Summary: | Marine thraustochytrids are found widely in marine environment and they have an important role in decomposing organic material in mangrove areas. Thrallstochytrids especially those belonging to genus Schizochytrium had became the focus in the production of docosahexaenoic acid (DHA). They emerged as a potential producer of carotenoids and many other products of biotechnology importance. This report describes the isolation and molecular characterization of marine thraustochytrids mainly from the genus Schizochytrium from different mangrove areas in Sabah. The marine thraustochytrids were isolated from fallen senescence mangrove leaves. Identification of the thraustochytrids was initially achieved by microscopic observation of the cell's
morphology. Subsequently, eight isolates were further characterized and identified using 185 rRNA gene sequencing method. BLAST analysis of the DNA sequences of the 18S rRNA gene from these isolates showed that they are classified under two genera which included A IIran liochytrium , and Schizochytrilim. The phylogenetic analysis of the DNA sequences in comparison to other DNA sequences of similar organisms deposited in the genbank suggested that
three of the isolates came under the genus Schizochytrium whereas the other five isolates were grouped under the genus Aurantiochytrium. It is indeed interesting to determine the nutritional composition of the marine thraustochytrids but due to funding limitation such study was not conducted. |
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