温度和盐度对球形棕囊藻细胞DMSP产量的影响
EFFECTS OF TEMPERATURE AND SALINITY ON DMSP PRODUCTION IN PHAEOCYSTIS GLOBOSA
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摘要: 球形棕囊藻汕头株(Shantou strain,ST)和香港株(Hongkong,HK)是DMSP与DMS的高产株,在20℃、40盐度的培养条件下,二者DMSP产量分别达到161.3 437.60nmol/106cells.细胞内DMSP的积累与释放到细胞外DMS量受盐度、温度等环境因子的影响:在高盐低温条件下,单位藻细胞的DMSP与DMS产量较高.香港株DMSP/DMS的积累和释放与生长时期有关,稳定期细胞内的DMSP含量高达3898.3nmol/106cells,是指数期的12.3倍.
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关键词:
- 球形棕囊藻 /
- 温度 /
- 盐度 /
- 二甲基硫丙酸(DMSP) /
- 二甲基硫化物(DMS)
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