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NaCl胁迫对紫球藻生长和多糖含量的影响(英文)

EFFECTS OF NaCl STRESS ON THE GROWTH OF PORPHYRIDIUM SP. AND ITS POLYSACCHRIDE CONTENT
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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。 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.
作者 刘晓灿 Avigad Vonshak
机构地区 广西师范大学生命科学学院 本-古里安大学沙漠研究所
出处 《广西师范大学学报（自然科学版）》 CAS 2003年第4期91-95,共5页 Journal of Guangxi Normal University:Natural Science Edition
基金 Supported by the foundation of Bonna Terra
关键词 紫球藻 生长 多糖含量 盐胁迫 叶绿素 藻红素 暗呼吸 Porphyridium sp. chlorophyll phycoerythrin NaCl stress
分类号 Q949.292.1 [生物学—植物学] Q945.78 [生物学—植物学]
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广西师范大学学报（自然科学版）
2003年 第4期

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