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Content Provider | World Health Organization (WHO)-Global Index Medicus |
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Author | Lee, Bongsoo Kim, Sungwhan Park, Min S. Ryu, Byung-Gon Kim, Woong Nam, Kibok Yang, Ji-Won |
Description | Author Affiliation: Ryu BG ( Environmental and Energy Program, KAIST, 291 Daehak-ro, Yuseong, Daejeon, Republic of Korea); Kim W ( Department of Chemical and Biomolecular Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea.); Nam K ( Department of Chemical and Biomolecular Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea.); Kim S ( Department of Chemical and Biomolecular Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea.); Lee B ( Department of Chemical and Biomolecular Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea.); Park MS ( Department of Chemical and Biomolecular Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea.); Yang JW ( Department of Chemical and Biomolecular Engineering, KAIST, 291 Daehak-ro, Yuseong-gu, Daejeon, Republic of Korea) |
Abstract | Changes in algal and bacterial communities during thiocyanate (SCN(-)) decomposition in a microalga-mediated process were studied. Pyrosequencing indicated that Thiobacillus bacteria and Micractinium algae predominated during SCN(-) hydrolysis, even after its complete degradation. Principal components analysis and evenness profiles (based on the Pareto-Lorenz curve) suggested that the changes in the bacterial communities were driven by nitrogen and sulfur oxidation, pH changes, and photoautotrophic conditions. The populations of predominant microalgae remained relatively stable during SCN(-) hydrolysis, but the proportion of bacteria - especially nitrifying bacteria - fluctuated. Thus, the initial microalgal population may be crucial in determining which microorganisms dominate when the preferred nitrogen source becomes limited. The results also demonstrated that microalgae and SCN(-)-hydrolyzing bacteria can coexist, that microalgae can be effectively used with these bacteria to completely treat SCN(-), and that the structure of the algal-bacterial community is more stable than the community of nitrifying bacteria alone during SCN(-) degradation. |
ISSN | 09608524 |
Journal | Bioresource Technology |
Volume Number | 191 |
e-ISSN | 18732976 |
Language | English |
Publisher | Elsevier |
Publisher Date | 2015-09-01 |
Publisher Place | Great Britain (UK) |
Access Restriction | Subscribed |
Subject Keyword | Bacterial Physiological Phenomena Microalgae Metabolism Thiocyanates Cluster Analysis Physiology Nitrogen Journal Article Research Support, Non-u.s. Gov't Discipline Bioresource |
Content Type | Text |
Resource Type | Article |
Subject Domain (in MeSH) | Organism Forms Inorganic Chemicals Organic Chemicals Investigative Techniques Microbiological Phenomena |
Subject | Bioengineering Renewable Energy, Sustainability and the Environment Waste Management and Disposal Environmental Engineering Medicine |
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