Growth inhibition of bloom-forming cyanobacterium Microcystis aeruginosa by rice straw extract = 벼 추출물에 의한 남조류(마이크로시스티스) 생장 저해

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Title
Growth inhibition of bloom-forming cyanobacterium Microcystis aeruginosa by rice straw extract = 벼 추출물에 의한 남조류(마이크로시스티스) 생장 저해
Author(s)
M H Park; M S Han; Chi-Yong AhnHee-Sik Kim; Byung Dae Yoon; Hee-Mock Oh
Bibliographic Citation
Letters in Applied Microbiology, vol. 43, no. 7, pp. 307-312
Publication Year
2006
Abstract
Aims: To inhibit the growth of the bloom-forming cyanobacterium Microcystis aeruginosa using a rice straw extract. Methods and Results: The cell numbers of the algal strain M. aeruginosa UTEX 2388 significantly decreased after treatment with different concentrations (0.01, 0.1, 1 and 10 mg l-1) of a rice straw extract for an 8-day cultivation period. Among seven tested allelochemicals from rice straw, salicylic acid at 0.1 mg l-1 exhibited the highest allelopathic activity (26%) on day 8. A synergistic effect on algal growth inhibition was found when adding two or three phenolic compounds from the rice straw. Conclusions: The growth of M. aeruginosa was inhibited by rice straw extract concentrations ranging from 0.01 to 10 mg l-1. This activity was due to the synergistic effects of various phenolic compounds in the rice straw. Significance and Impact of the Study: The identification of rice straw as an effective material for the growth inhibition of M. aeruginosa implies it may have the potential to be used as an environment-friendly biomaterial for controlling the algal bloom of M. aeruginosa in eutrophic water.
Keyword
AllelopathyCyanobacteriaInhibitionMicrocystisRice strawSalicylic acid
ISSN
0266-8254
Publisher
Wiley
DOI
http://dx.doi.org/10.1111/j.1472-765X.2006.01951.x
Type
Article
Appears in Collections:
Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
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