[1]杨小杰,韩士群,唐婉莹,等.凤眼莲对铜绿微囊藻生理、细胞结构及藻毒素释放与削减的影响[J].江苏农业学报,2016,(02):376-382.[doi:10.3969/j.issn.1000-4440.2016.02.022]
　YANG Xiao-jie,HAN Shi-qun,TANG Wan-ying,et al.Physiological characteristics and cell structure of Microcystis aeruginosa and microcystin release and reduction in Eichhornia crassipes-grown water[J].,2016,(02):376-382.[doi:10.3969/j.issn.1000-4440.2016.02.022]
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凤眼莲对铜绿微囊藻生理、细胞结构及藻毒素释放与削减的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2016年02期
页码:
376-382
栏目:
耕作栽培·资源环境
出版日期:
2016-03-20

文章信息/Info

Title:
Physiological characteristics and cell structure of Microcystis aeruginosa and microcystin release and reduction in Eichhornia crassipes-grown water
作者:
杨小杰1; 2;  韩士群2;  唐婉莹1;  严少华2;  周 庆2
1.南京理工大学化工学院,江苏 南京 210094; 2.江苏省农业科学院农业资源与环境研究所,江苏 南京 210014
Author(s):
YANG Xiao-jie1; 2;  HAN Shi-qun2;  TANG Wan-ying1;  YAN Shao-hua2;  ZHOU Qing2
1. School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China; 2. Institute of Agricultural Resource and Environment,Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
关键词:
凤眼莲;  铜绿微囊藻;  藻毒素释放;  藻毒素削减
Keywords:
Eichhornia crassipes;  Microcystis aeruginosa;  microcystin release;  microcystin reduction
分类号:
X52
DOI:
10.3969/j.issn.1000-4440.2016.02.022
文献标志码:
A
摘要:
通过共培养试验,研究了凤眼莲对产毒铜绿微囊藻生长和毒素释放的影响。结果表明,凤眼莲与铜绿微囊藻共培养有效抑制了铜绿微囊藻的生长,加速了它的衰亡。凤眼莲严重破坏藻细胞的超氧化物歧化酶(SOD)系统,共培养6 d后藻细胞SOD活性降至(2.67±1.68)U/mg,导致超氧阴离子自由基未能及时转化。在凤眼莲影响下,共培养4 d时铜绿微囊藻细胞就出现萎缩现象,类囊体片层结构出现溶解,细胞ATP水平持续快速下降。与无凤眼莲空白对照相比,凤眼莲的存在使铜绿微囊藻毒素(MC-LR和MC-RR)的释放量显著降低,削减速度显著加快。
Abstract:
The influence of co-cultured Eichhornia crassipes on physiological characteristics and cell structure of Microcystic aeruginosa and different types of microcystins release and reduction were studied. E. crassipes inhibited the growth of M. aeruginosa and accelerated its death. E. crassipes also damaged the superoxide dismutase(SOD)enzyme system of M. aeruginosa severely; the SOD activity of co-cultured algal cells decreased to(2.67 ± 1.68)U/mg after 6 d, which resulted in the failure of timely transformation of superoxide anion radical. Under the stress of E. crassipes for 4 d, cells of M. aeruginosa started to shrink, the thylakoid lamella structure was dissolved, and the ATP level of algal cells declined rapidly. However, the releases of microcystin-LR and microcystin-RR from M. aeruginosa in the existence of E. crassipes was significantly less, and the reductions was quicker.

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备注/Memo

备注/Memo:
收稿日期:2015-06-30 基金项目:国家科技支撑计划项目(2015BAD13B04); 江苏省自然科学基金项目(BK20130730) 作者简介:杨小杰(1989-),女,山东聊城人,硕士研究生,主要从事水环境研究。(Tel)15715187520;(E-mail)1124772465@qq.com 通讯作者:周 庆,(E-mail)qqzhouqing@hotmail.com
更新日期/Last Update: 2016-03-20