Journal article
Within-species and temperature-related variation in the growth and natural products of the red alga Asparagopsis taxiformis
Journal of Applied Phycology, Vol.29(3), pp.1437-1447
2017
Abstract
The red algal genus Asparagopsis (Bonnemaisoniaceae) is a significant resource for bioactive natural products. However, prior to domestication for commercial production, we need to understand the potential variation in growth and concentration of natural products between isolates of Asparagopsis and, beyond that, how these traits are affected by environmental conditions. Ten isolates of Asparagopsis taxiformis were collected from tropical and warm-temperate regions in Queensland, Australia, and identified by molecular barcoding of the mitochondrial intergenic spacer (cox2-3 spacer). The isolates were cultured at three temperatures ranging from the minimum of the warmtemperate region to the maximum of the tropical region. Growth rates and the concentration of natural products varied between the region of origin, between isolates within region and between temperatures. Growth differed by up to 50% between isolates, whereas the concentration of natural products differed more than tenfold. Growth rates were highest at the minimum temperature of 20.2°C, irrespective of region of origin, and were lowest at the maximum temperature of 28.1°C. Natural products were threefold higher in tropical isolates, and this variation was not correlated to growth. Consequently, targeting isolates with high concentrations of natural products should be the primary strategy for the domestication of Asparagopsis for biotechnology applications.
Details
- Title
- Within-species and temperature-related variation in the growth and natural products of the red alga Asparagopsis taxiformis
- Authors
- Leonard Mata (Author) - James Cook UniversityRebecca J Lawton (Author) - James Cook UniversityMarie Magnusson (Author) - James Cook UniversityNikos Andreakis (Author) - Australian Institute of Marine ScienceRocky de Nys (Author) - James Cook UniversityNicholas A Paul (Author) - James Cook University
- Publication details
- Journal of Applied Phycology, Vol.29(3), pp.1437-1447
- Publisher
- Springer Netherlands
- DOI
- 10.1007/s10811-016-1017-y
- ISSN
- 0921-8971
- Organisation Unit
- University of the Sunshine Coast, Queensland; School of Science and Engineering - Legacy; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99450512502621
- Output Type
- Journal article
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