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引用本文:王立新,吴国荣,王建安,章浩,陆长梅,徐勤松.黑藻(Hydrilla verticillata)对铜绿微囊藻(Microcystis aeruginosa)抑制作用.湖泊科学,2004,16(4):338-343. DOI:10.18307/2004.0408
WANG Lixin,WU Guorong,WANG Jianan,ZHANG Hao,LU Changmei,XU Qinsong.The Inhibition of Hydrilla verticillata on Microcystis aeruginosa. J. Lake Sci.2004,16(4):338-343. DOI:10.18307/2004.0408
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黑藻(Hydrilla verticillata)对铜绿微囊藻(Microcystis aeruginosa)抑制作用
王立新1,2, 吴国荣1, 王建安1, 章浩1, 陆长梅1, 徐勤松1
1.南京师范大学生命科学学院, 南京 210097;2.常熟高等专科学校, 常熟 215500
摘要:
采用黑藻(Hydrilla verticillata)和铜绿微囊藻(Microcystis aeruginosa)共同培养的实验方法,追踪测定微囊藻的生长量、光合速率等相关生理生化指标以及观察藻细胞超微结构变化,研究黑藻对铜绿微囊藻的抑制作用及其机制.结果表明,黑藻对铜绿微囊藻的生长有明显的抑制作用,表现为藻细胞生长量显著降低,细胞超微结构进行性损伤直至细胞解体,藻体叶绿素a含量和光合速率急剧下降,呼吸速率、超氧物歧化酶(SOD)活性均呈现先升高后下降的趋势,膜脂过氧化产物丙二醛(MDA)的积累量与膜的损伤程度相一致.在黑藻养殖水中初步分离得到黑藻分泌的抑藻物质.
关键词:  黑藻  铜绿微囊藻  抑制作用  抑藻物质
DOI:10.18307/2004.0408
分类号:
基金项目:国家自然科学基金项目(30370083)教育部科学技术研究重要项目(01043)联合资助.
The Inhibition of Hydrilla verticillata on Microcystis aeruginosa
WANG Lixin1,2, WU Guorong1, WANG Jianan1, ZHANG Hao1, LU Changmei1, XU Qinsong1
1.College of fife Science, Winjing formal University, Nanjing 210097. P. R. China;2.Changshu College, Changshu 215500, P. R. China
Abstract:
In this paper, Microcystis aeruginosa co-rultivated with Hydrilla verticillata was used to study the inhibitory effect oi Hydrilla verticillata on Microcystic aeruginosa and its mechanism.The results indicated that Microcystis aeruginosa growth was obviously inhibited by Hydrilla verticil-lat.Its ultra-structure was destroyed and finally disintegrated;rhlorophyll-a rontenl, photosvn-thetic rate declined evidentlv from the beginning;whereas respiratory rate and SOD activity increased firstly, hut decreased as treatment time went on;MDA accumulation was consistent with the degrees of its cell destruction.Hydrilla verticillata culture had the same inJiihitory effeol on Microcystic aeruginosa.The crude excretion from Hydrilla verticillata culture whic h had the in-hibitory effect on Mirorystis aeruginosa was obtained.
Key words:  Hydrilla verticillata (L. f.) Royle  Microcystis aeruginosa Kütz  inhibition  al-gae-cide chemical
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