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Inhibitory Effect of the Selected Heavy Metals on the Growth of the Phosphorus Accumulating Microorganism, Acinetobacter sp.
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 Title & Authors
Inhibitory Effect of the Selected Heavy Metals on the Growth of the Phosphorus Accumulating Microorganism, Acinetobacter sp.
Chung, Keun-Yook; Han, Seok-Soon; Kim, Hong-Ki; Choi, Guak-Soon; Kim, In-Su; Lee, Sang-Sung; Woo, Sun-Hee; Lee, Kyung-Ho; Kim, Jai-Joung;
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 Abstract
This study was initiated to evaluate the inhibitory effect of selected heavy metals on the growth of Acinetobacter sp. Down as one of the phosphorus accumulating microorganisms (PAO) involved in the enhanced biological phosphorus removal (EBPR) process of the wastewater treatment plant. Acinetobacter sp. was initially selected as a starting model microorganism and was grown under aerobic condition for this experiment. The heavy metals selected and investigated in this study were cadmium (Cd), copper (Cu), mercury (Hg), nickel (Ni), and zinc (Zn). Median and threshold inhibitory concentrations for Cd, Cu, Hg, Ni, and Zn were 2.95 and 1.45, 4.92 and 2.53, 0.03 and 0.02, 1.12 and 0.43, 14.84 and 5.46 mg , respectively. We demonstrated that most of heavy metals tested in the experiment inhibited the growth of Acinetobacter sp. in the range of predetermined concentrations. Based on the data obtained from the experiment, Hg was the most sensitive to Acinetobacter sp., then Ni, Cd, Cu, and Zn in order.
 Keywords
Inhibition;growth;heavy metals;Acinetobacter sp.;PAO;
 Language
English
 Cited by
1.
다양한 중금속이 인 축적 미생물 (Pseudomonas sp.)의 생장과 인 제거에 대한 효과,김희정;유리비;한석순;우선희;이문순;백기태;정근욱;

한국환경농학회지, 2010. vol.29. 2, pp.189-196 crossref(new window)
2.
환경인자와 중금속이 Alcaligenes sp.의 생장과 인 제거에 대한 영향,유리비;김희정;이석언;이문순;우선희;최종순;백기태;정근욱;

한국환경농학회지, 2011. vol.30. 2, pp.216-222 crossref(new window)
3.
Toxic Effects of Heavy Metals on the Growth and Phosphorus Removal Efficiency of Phosphorus Accumulating Microorganisms (PAOs),;;;;;

한국토양비료학회지, 2013. vol.46. 6, pp.673-680 crossref(new window)
1.
Effects of Environmental Factors and Heavy Metals on the Growth and Phosphorus Removal of Alcaligenes sp., Korean Journal of Environmental Agriculture, 2011, 30, 2, 216  crossref(new windwow)
2.
Toxic Effects of Heavy Metals on the Growth and Phosphorus Removal Efficiency of Phosphorus Accumulating Microorganisms (PAOs), Korean Journal of Soil Science and Fertilizer, 2013, 46, 6, 673  crossref(new windwow)
3.
Current research trends for heavy metals of agricultural soils and crop uptake in Korea, Korean Journal of Environmental Agriculture, 2012, 31, 1, 75  crossref(new windwow)
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