原球藻中的α-亚麻酸酯与光合活性
Alpha-linoleate and photosynthetic activity in Chlorella protothecoides.
作者信息
Katayama M, Benson A A
出版信息
Plant Physiol. 1967 Mar;42(3):308-13. doi: 10.1104/pp.42.3.308.
Abstract
Green cells of Chlorella protothecoides grown in nitrogen-rich low glucose media may be reversibly transformed to entirely chlorophyll-less cells in low nitrogen high glucose media. Photosynthetic rates and fatty ester compositions were determined during light and dark bleaching and during greening. Linolenic acid content remained unchanged during greening or bleaching. During light greening chlorophyll content and photosynthetic activity increased while oleic acid content decreased dramatically. As a result, the percent composition of linolenate appeared to parallel photosynthetic capability. Implication of alpha-linolenate in oxygen production, therefore, can not be based upon fatty acid percentage composition data alone.
摘要
在富含氮的低葡萄糖培养基中生长的原球藻绿细胞，在低氮高葡萄糖培养基中可能会可逆地转变为完全无叶绿素的细胞。在光漂白、暗漂白以及返绿过程中测定了光合速率和脂肪酸组成。在返绿或漂白过程中，亚麻酸含量保持不变。在光返绿过程中，叶绿素含量和光合活性增加，而油酸含量急剧下降。因此，亚麻酸酯的百分组成似乎与光合能力平行。所以，仅基于脂肪酸百分比组成数据不能推断α-亚麻酸酯在氧气产生中的作用。
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