EFFECTS OF ARSENIC ON THE ORGANIC-COMPONENT OF THE ALGA DUNALIELLA-SALINA

被引：9
|
作者：
YAMAOKA, Y
TAKIMURA, O
FUSE, H
KAMIMURA, K
机构：
[1] Government Industrial Research Institute, Kure, Hiroshima, 737-01, Chugoku, 2-2-2, Hirosuehiro
来源：
APPLIED ORGANOMETALLIC CHEMISTRY | 1992年 / 6卷 / 04期
关键词：
ARSENIC; BETA-CAROTENE; CARBOHYDRATE; DUNALIELLA-SALINA; MICROALGAE;
D O I：
10.1002/aoc.590060408
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The unicellular marine alga, Dunaliella salina 19/30 was grown in seawater containing an inorganic arsenic concentration (Na2HAsO4) up to 2000 mg dm-3. The cells survived even at 5000 mg dm-3. The arsenic concentration of the cells increased with an increase of the surrounding arsenic concentration. Arsenic in D. salina was also greatly affected by addition of phosphorus. The arsenic-tolerance behavior of D. salina seemed to suggest that the algae have a function to prevent accumulation of inorganic arsenic by increasing the beta-carotene, fatty-acid (C18:1, C18:3) and water-extractable carbohydrate content in the cells. Arsenic accumulation also rose steadily with an increase in the nitrogen concentration in the medium.
引用
收藏
页码：357 / 362
页数：6
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