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Exploring omega‐3 fatty acids, enzymes and biodiesel producing thraustochytrids from Australian and Indian marine biodiversity
Author(s) -
Gupta Adarsha,
Singh Dilip,
Byreddy Avinesh R.,
Thyagarajan Tamilselvi,
Sonkar Shailendra P.,
Mathur Anshu S.,
Tuli Deepak K.,
Barrow Colin J.,
Puri Munish
Publication year - 2016
Publication title -
biotechnology journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.144
H-Index - 84
eISSN - 1860-7314
pISSN - 1860-6768
DOI - 10.1002/biot.201500279
Subject(s) - biodiversity , fatty acid , biology , food science , biodiesel , biodiesel production , docosahexaenoic acid , enzyme , polyunsaturated fatty acid , botany , biochemistry , ecology , catalysis
The marine environment harbours a vast diversity of microorganisms, many of which are unique, and have potential to produce commercially useful materials. Therefore, marine biodiversity from Australian and Indian habitat has been explored to produce novel bioactives, and enzymes. Among these, thraustochytrids collected from Indian habitats were shown to be rich in saturated fatty acids (SFAs) and monounsaturated fatty acids (MUFAs), together constituting 51–76 % of total fatty acids (TFA). Indian and Australian thraustochytrids occupy separate positions in the dendrogram, showing significant differences exist in the fatty acid profiles in these two sets of thraustochytrid strains. In general, Australian strains had a higher docosahexaenoic acid (DHA) content than Indian strains with DHA at 17–31 % of TFA. A range of enzyme activities were observed in the strains, with Australian strains showing overall higher levels of enzyme activity, with the exception of one Indian strain (DBTIOC‐1). Comparative analysis of the fatty acid profile of 34 strains revealed that Indian thraustochytrids are more suitable for biodiesel production since these strains have higher fatty acids content for biodiesel (FAB, 76 %) production than Australian thraustochytrids, while the Australian strains are more suitable for omega‐3 (40 %) production.