期刊
JOURNAL OF INTEGRATIVE PLANT BIOLOGY
卷 49, 期 4, 页码 447-451出版社
WILEY
DOI: 10.1111/j.1744-7909.2007.00468.x
关键词
astaxanthin; Haematococcus pluvialis; iron; light; phosphate; stress; sulfur
The green alga, Haematococcus pluvialis Flotow is used as a source of the ketocarotenoid astaxanthin for application in fish aquaculture, pharmaceutical and cosmetic industries. Cells of the green alga were induced by the application of different light and starvation conditions to evaluate the effect in astaxanthin accumulate. The conditions used for the induction were high light intensity (170 mu mol.m(-2).s(-1)), iron starvation, sulfur starvation and phosphate starvation. The results show that stresses applied in culture, which interfere with cell division, trigger the accumulation of astaxanthin. Notably, sulfur starvation results in a massive accumulation of this commercially important carotenoid.
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