| 附生假单胞菌信号分子对铜绿微囊藻磷代谢的影响 |
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| 引用本文： | 肖琳,杨柳燕,蒋丽娟,邹迪,图雅. 附生假单胞菌信号分子对铜绿微囊藻磷代谢的影响[J]. 环境科学学报, 2005, 25(4): 557-561 |
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| 作者姓名： | 肖琳 杨柳燕 蒋丽娟 邹迪 图雅 |
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| 作者单位： | 污染物控制与资源化国家重点实验室,南京大学环境学院,南京 210093;污染物控制与资源化国家重点实验室,南京大学环境学院,南京 210093;污染物控制与资源化国家重点实验室,南京大学环境学院,南京 210093;污染物控制与资源化国家重点实验室,南京大学环境学院,南京 210093;污染物控制与资源化国家重点实验室,南京大学环境学院,南京 210093 |
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| 基金项目： | 国家自然科学基金 (4 0 3 7110 2 )，“973计划”(2 0 0 2CB412 3 0 7)，“863计划”(2 0 0 2AA60 10 11 0 7) |
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| 摘 要： | 通过在不同的磷浓度和细胞浓度的铜绿微囊藻培养液中添加附生假单胞菌信号分子，研究了附生假单胞菌信号分子对铜绿微囊藻生长及磷代谢的影响．结果表明，与对照相比，附生假单胞菌信号分子能抑制高浓度铜绿微囊藻的生长，促使低浓度铜绿微囊藻衰亡，并可以促进在衰亡期藻细胞内磷的积累．附生假单胞菌的信号分子可以在附生假单胞菌-铜绿微囊藻种间起作用，影响铜绿微囊藻的生长和磷代谢。
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| 关 键 词： | 信号分子 铜绿微囊藻 附生菌 磷代谢 |
| 文章编号： | 0253-2468(2005)04-0557-05 |
| 收稿时间： | 2004-02-10 |
| 修稿时间： | 2004-02-10 |
The effect of signal molecular produced by attached bacteria on the Microsystis aeruginosa phosphorus metabolism |
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| XIAO Lin,YANG Liuyan,JIANG Lijuan,ZOU Di and TU Ya. The effect of signal molecular produced by attached bacteria on the Microsystis aeruginosa phosphorus metabolism[J]. Acta Scientiae Circumstantiae, 2005, 25(4): 557-561 |
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| Authors: | XIAO Lin YANG Liuyan JIANG Lijuan ZOU Di TU Ya |
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| Affiliation: | State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210093,State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210094,State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210095,State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210096 and State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210097 |
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| Abstract: | The effect of signal molecular(SM)produced by attached bacteria Pseudomonas sp. X on the Microsystis aeruginosa growth and phosphorus metabolism was studied. The experimental results showed that the signal molecular could inhibit the growth of M.aureginosa in high density, and accelerate its death in low density, but it could not inhibit the M. aeruginosa's absorption of phosphorus from water. And the signal molecular also could promote the accumulation of phosphorus in M. aureginosa in its decline period. These results indicated that signal molecular produced by attached bacteria could affect the growth and phosphorus metabolism of Microsystis aeruginosa in low concentration. |
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| Keywords: | signal molecular(SM) Microsystis aeruginosa attached bacteria phosphorus metabolism |
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