| NaCl胁迫对紫球藻生长和多糖含量的影响 |
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| 引用本文： | 刘晓灿,Avigad Vonshak.NaCl胁迫对紫球藻生长和多糖含量的影响[J].广西师范大学学报(自然科学版),2003,21(4):91-95. |
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| 作者姓名： | 刘晓灿 Avigad Vonshak |
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| 作者单位： | 1. 广西师范大学,生命科学学院,广西,桂林,541004
2. 本-古里安大学,沙漠研究所,斯德·泊可,以色列,84990 |
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| 基金项目： | Supported by the foundation of Bonna Terra |
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| 摘 要： | 在此就NaCl胁迫对紫球藻生长和多糖含量的影响进行探讨．在盐胁迫条件下，紫球藻的生长受到抑制，叶绿素和藻红素的含量均下降；但结合多糖的浓度随着培养时间而显著增加．盐胁迫作用还迅速抑制紫球藻的光合作用效率并增加暗呼吸速率。
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| 关 键 词： | 紫球藻 生长 多糖含量 盐胁迫 叶绿素 藻红素 暗呼吸 |
EFFECTS OF NaCl STRESS ON THE GROWTH OF PORPHYRIDIUM SP. AND ITS POLYSACCHRIDE CONTENT |
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| Avigad Vonshak.EFFECTS OF NaCl STRESS ON THE GROWTH OF PORPHYRIDIUM SP. AND ITS POLYSACCHRIDE CONTENT[J].Journal of Guangxi Normal University(Natural Science Edition),2003,21(4):91-95. |
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| Authors: | Avigad Vonshak |
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| Abstract: | The effects of NaCl stress on the growth of Porphyridium sp. and its polysacchride content were evaluated. NaCl stress (1. 5 mol/L) inhibited cell growth of Porphyridium sp. and reduced the contents of chlorophyll and phycoerythrin of the stress-exposed cultures significantly. Bound polysaccharide content of the salt treated cultures increased dramatically with culture time. An immediate depression of photosynthetic activity and a high rate of dark respiration were observed after exposure of Porphyridium sp. to salt. |
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| Keywords: | Porphyridium sp chlorophyll phycoerythrin NaCl stress |
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