期刊论文

EFFECTS OF IAA ON THE PHYSIOLOGICAL AND TOXIN-PRODUCING CHARACTERISTICS OF MICROCYSTIS AERUGINOSA

中文

水生生物学报

1000-3207

2018

42

4

832-838

10.7541/2018.102

国家自然科学基金（31470511）资助~~；

本校为第一机构

为了探究生长素吲哚乙酸(IAA)对产毒铜绿微囊藻(Microcystis aeruginosa)的影响,从生长、光合色素含量、叶绿素光诱导荧光特征、脂质氧化和微囊藻毒素合成特性等方面, 研究了IAA对M. aeruginosa CHAB 6301生理生化及产毒的影响.结果表明, 在低浓度IAA(0.04和0.2 mg/L)条件下, 铜绿微囊藻生长、叶绿素含量、光合系统(PSⅡ)电子传递效率及藻毒素含量均无明显变化, 藻蓝蛋白、别藻蓝蛋白和丙二醛(MDA)含量均低于对照.高浓度IAA(0.04和0.2 mg/L)能够促进细胞生长, 提高叶绿素含量, 但是抑制藻蓝蛋白和别藻蓝蛋白含量, 降低膜脂过氧化程度和细胞内藻毒素合成.综合各指标测定结果, 低浓度IAA对M. aeru...

In order to investigate the effects of indole-3-acetic acid (IAA) on physiological characteristics of Micro-cystis aeruginosa (M. aeruginosa), the growth, photosynthetic pigment content, chlorophyll fluorescence, lipid oxida-tion, and microcystin biosynthesis characteristics were studied. The achieved results showed that there was no signifi-cant variation in cell density, chlorophyll content, chlorophyll fluorescence characteristics, and microcystin contents at low concentrations of IAA (e.g., 0.04 and 0.2 mg/L). However the contents of phycocyanin, allophycocyanin, and malondialdehyde (MDA) ...