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Differences in photoprotective pigment production between Japanese and Australian strains of Chattonella marina (Raphidophyceae)
Citation
Marshall, JA and Newman, SJ, Differences in photoprotective pigment production between Japanese and Australian strains of Chattonella marina (Raphidophyceae), Journal of Experimental Marine Biology and Ecology, 272, (1) pp. 13-27. ISSN 0022-0981 (2002) [Refereed Article]
DOI: doi:10.1016/S0022-0981(02)00034-5
Abstract
Previous studies have shown that isolates of Chattonella marina from Australia and Japan exhibit differences in tolerance to high intensities of visible light. Here we show that the Australian strain of C. marina produces around five times more UV-absorbing mycosporine amino acids (MAAs) than the Japanese strain. This corresponds with 66% increased growth by the Australian strain under UVB exposure compared to no UV exposure. The MAA mycosporine-glycine, which reportedly acts as an antioxidant, was found in high quantity (110 fg cell-1) in the Australian but was absent in the Japanese strain. In contrast, changes in the concentration of violaxanthin and zeaxanthin per cell were 4.7-4.8 times greater in the Japanese relative to the Australian strain suggesting that the Japanese strain uses a xanthophyll cycle to moderate inhibition by high photosynthetically active radiation (PAR) irradiance. Increased MAA production under high irradiance was also observed in other Australian strains of Chattonella, but not noted in other Japanese strains suggesting ecophenotypic adaptation due to differing environmental conditions. © 2002 Elsevier Science B.V. All rights reserved.
Item Details
Item Type: | Refereed Article |
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Research Division: | Agricultural and Veterinary Sciences |
Research Group: | Fisheries Sciences |
Research Field: | Fish Pests and Diseases |
Objective Division: | Environment |
Objective Group: | Control of Pests, Diseases and Exotic Species |
Objective Field: | Control of Animal Pests, Diseases and Exotic Species in Coastal and Estuarine Environments |
UTAS Author: | Marshall, JA (Dr Judith Marshall) |
UTAS Author: | Newman, SJ (Mr Stuart Newman) |
ID Code: | 25390 |
Year Published: | 2002 |
Web of Science® Times Cited: | 24 |
Deposited By: | Plant Science |
Deposited On: | 2002-08-01 |
Last Modified: | 2011-08-02 |
Downloads: | 0 |
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