PHOTO-DEPENDENT ASTAXANTHIN BIOSYNTHESIS IN A GREEN-ALGA, HAEMATOCOCCUS-PLUVIALIS

被引：0
|
作者：
KOBAYASHI, M [1 ]
KAKIZONO, T [1 ]
NAGAI, S [1 ]
机构：
[1] HIROSHIMA UNIV,FAC ENGN,DEPT FERMENTAT TECHNOL,HIROSHIMA 724,JAPAN
来源：
SEIBUTSU-KOGAKU KAISHI-JOURNAL OF THE SOCIETY FOR FERMENTATION AND BIOENGINEERING | 1993年 / 71卷 / 04期
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D O I：
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中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
In a green alga Haematococcus pluvialis, acetate-induced astaxanthin biosynthesis was activated by oxidative stress such as Fe2+ and H2O2 addition. In the light condition, astaxanthin formation was more enhanced at higher light intensity, whereas no activation was found in the dark. Moreover, induction of both the encystment accompanying protein degradation and astaxanthin biosynthesis needed more than 18 h of illumination time after acetate addition. Such photo-dependent induction and activation of carotenogenesis have been observed in H. pluvialis growing on acetate medium, suggesting that the alga has a novel photo-dependent regulation system for astaxanthin biosynthesis.
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页码：233 / 237
页数：5
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