Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/73030
Title: Low-temperature-induced beta-carotene and fatty acid synthesis, and ultrastructural reorganization of the chloroplast in Dunaliella salina (Chlorophyta)
Authors: Mendoza, H
DelRio, MJ
García Reina, Guillermo 
Ramazanov, Z
UNESCO Clasification: 241707 Algología (ficología)
Keywords: Bardawil Chlorophyceae
Accumulation
Photoinhibition
Dependence
Globules, et al
Issue Date: 1996
Journal: European Journal of Phycology 
Abstract: The effect of suboptimal growth temperature on beta-carotene and fatty acid biosynthesis, and on the ultrastructural reorganization of the chloroplast, in the green unicellular alga Dunaliella salina has been studied. A decrease from the optimal temperature for growth (30 degrees C) to suboptimal (18 degrees C) temperatures induced beta-carotene synthesis and increased lipid content in D, salina cells, thereby promoting the formation of lipid-carotene globules in the chloroplast periphery. The content of polyunsaturated fatty acids was higher in cells cultured at low temperature. Results suggest that the induction of carotenogenesis and accumulation of polyunsaturated fatty acids are mechanisms of acclimation to unfavourable environmental conditions for growth.
URI: http://hdl.handle.net/10553/73030
ISSN: 0967-0262
DOI: 10.1080/09670269600651551
Source: European Journal Of Phycology [ISSN 0967-0262], v. 31 (4), p. 329-331, (Noviembre 1996)
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