Lysis of cyanobacteria with volatile organic compounds

被引：86

作者：

Ozaki, Keiko ^{[1
]}

Ohta, Akemi ^{[2
]}

Iwata, Chieko ^{[2
]}

Horikawa, Aki ^{[2
]}

Tsuji, Kiyomi ^{[3
]}

Ito, Emiko ^{[4
]}

Ikai, Yoshitomo ^{[5
]}

Harada, Ken-ichi ^{[1
,2
]}

机构：

[1] Meijo Univ, Grad Sch Environm & Human Sci, Nagoya, Aichi 4688503, Japan

[2] Meijo Univ, Fac Pharm, Nagoya, Aichi 4688503, Japan

[3] Kanagawa Prefectural Inst Publ Hlth, Chigasaki, Kanagawa 2530087, Japan

[4] Chiba Univ, Res Ctr Pathogen Fungi & Microbial Toxicoses, Chuo Ku, Chiba 2608673, Japan

[5] Aichi Prefectural Inst Publ Hlth, Kita Ku, Nagoya, Aichi 4628576, Japan

来源：

CHEMOSPHERE | 2008年 / 71卷 / 08期

关键词：

cyanobacteria; lysis; microorganism; volatile compound; beta-cyclocitral;

D O I：

10.1016/j.chemosphere.2007.11.052

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

One of bacteria collected from Lake Sagami, Japan, Brevibacillus sp., was found to have a lytic activity of cyanobacteria, but did not produce active compounds. Instead, the co-culturing of Microcystis with the Brevibacillus sp. enhanced the production of two volatile compounds, beta-cyclocitral and 3-methyl-1-butanol, and the former had a characteristic lytic activity. It was confirmed that these volatile compounds were derived from the cyanobacteria themselves. beta-Ionone, geosmin and 2-methylisoborneol derived from cyanobacteria and similar volatile compounds, terpenoids, produced by plants also had a lytic activity. The minimum inhibitory concentration values of the cyanobacterial metabolites were estimated to be higher than those of compounds from plants except for a few compounds. Among them, beta-cyclocitral only produced a characteristic color change of culture broth from green to blue. This color change is similar to the phenomenon observed when a sudden decline in growth of cyanobacteria begins in a natural environment. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：1531 / 1538

页数：8

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