[1]李玲,王俊英.丙酮对小球藻和水华微囊藻的生长及叶绿素荧光参数的影响[J].华侨大学学报(自然科学版),2017,38(1):58-63.[doi:10.11830/ISSN.1000-5013.201701011]
　LI Ling,WANG Junying.Effects of Acetone on Growth and Chlorophyll Fluorescence Parameters of Chlorella vulgaris and Microcystis flos-aquae[J].Journal of Huaqiao University(Natural Science),2017,38(1):58-63.[doi:10.11830/ISSN.1000-5013.201701011]
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丙酮对小球藻和水华微囊藻的生长及叶绿素荧光参数的影响()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第38卷
期数:
2017年第1期
页码:
58-63
栏目:
出版日期:
2017-01-09

文章信息/Info

Title:
Effects of Acetone on Growth and Chlorophyll Fluorescence Parameters of Chlorella vulgaris and Microcystis flos-aquae
文章编号:
1000-5013(2017)01-0058-06
作者:
李玲;  王俊英
华侨大学 化工学院, 福建 厦门 361021
Author(s):
LI Ling;  WANG Junying
College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
关键词:
丙酮;  小球藻;  水华微囊藻;  生长效应;  叶绿素
Keywords:
acetone;  Chlorella vulgaris;  Microcystis flos-aquae;  growth effect;  chlorophyll
分类号:
X171
DOI:
10.11830/ISSN.1000-5013.201701011
文献标志码:
A
摘要:
以小球藻和水华微囊藻细胞的生长状况、光合作用参数、叶绿素a质量浓度的变化作为指标,研究不同体积分数的丙酮对2种藻类的毒性效应.结果表明:体积分数为0.000 5%~0.500 0%的丙酮对小球藻和体积分数为0.000 5%~0.050 0%的丙酮对水华微囊藻均不同程度地促进藻细胞生长,对藻类的叶绿素a无影响,明显提高了藻类的最大光合速率(rETRmax)、光能利用率(α)和光适应能力(Ik),同时提高了光系统Ⅱ的最大光化学效率(Fv/Fm);丙酮体积分数为5.000 0%的小球藻和丙酮体积分数为0.500 0%~5.000 0%的水华微囊藻,其藻类光合作用、叶绿素a显著降低,导致藻类生长严重抑制甚至死亡;丙酮对小球藻和水华微囊藻的最大无影响体积分数(NOEC)分别为0.500 0%,0.050 0%,说明水华微囊藻对丙酮更为敏感.
Abstract:
The toxic effects of different volume fractions of acetone on algae were studied, using the growth condition, photosynthetic parameters, chlorophyll a mass-concentration of Chlorella vulgaris and Microcystis flos-aquae as indexes. The results showed that 0.000 5%-0.500 0% and 0.000 5%-0.050 0% volume fractions of acetone respectively were in varying degrees to promote Chlorella vulgaris and Microcystis flos-aquae growth. Both concentration ranges had no significant effect on the chlorophyll a of algae, while increased the maximum photosynthetic rate(rETRmax), the solar energy utilisation efficiency(α)and the tolerance of algae to strong light(Ik)significantly, as well as improved the photosystem Ⅱ photochemical efficiency(Fv/Fm). When the Chlorella vulgaris was at 5.000 0% acetone volume fraction and Microcystis flos-aquae at 0.500 0% to 5.000 0% acetone volume fractions, algae photosynthesis and chlorophyll a were reduced obviously, which resulted in severe algal growth inhibition and even death. The corresponding NOEC of acetone was 0.500 0% for Chlorella vulgaris and 0.050 0% for Microcystis flos-aquae, indicating that Microcystis flos-aquae was more sensitive to acetone than Chlorella vulgaris.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016-06-21
通信作者: 李玲(1983-),女,讲师,博士,主要从事环境化学物的毒理学的研究.E-mail:liling19830826@hqu.edu.cn.
基金项目: 国家自然科学基金资助项目(41203077); 华侨大学研究生科研创新能力培养计划资助项目(12BS108)
更新日期/Last Update: 2017-01-20