Evaluation of the importance of bacteria in vertical flow microcosms using streptomycin sulfate as the bactericide | Zendy

L Liu Wen | Zendy; BS Chong | Zendy; Jiang Wang | Zendy; Chao Xiao | Zendy

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Evaluation of the importance of bacteria in vertical flow microcosms using streptomycin sulfate as the bactericide

Author(s) -

L Liu Wen,

BS Chong,

Jiang Wang,

Chao Xiao

Publication year - 2013

Publication title -

african journal of microbiology research

Language(s) - English

Resource type - Journals

ISSN - 1996-0808

DOI - 10.5897/ajmr2013.5602

Subject(s) - microcosm , chemistry , microorganism , bacteria , environmental chemistry , microbial consortium , phosphorus , nitrogen , sulfate , streptomycin , food science , microbiology and biotechnology , organic chemistry , biology , biochemistry , antibiotics , genetics

The importance of bacteria in microbial communities of vertical flow microcosms was investigated using streptomycin sulfate as the bactericide. The bacterial loss reduced significantly total carbon, nitrogen and phosphorus contents enriched in substrate microorganisms (P 0.05). In addition, the bacterial loss reduced the microbial utilization of both amines/amides and amino acid groups in Ecoplates (P 0.05). Meanwhile, a decreased removal of NH4+–N or NO3––N in wastewater due to the bacterial loss was observed as well (P < 0.05). The current studyhighlighted the importance of bacteria in both transformations and removals of nitrogen compounds in constructed wetlands. Key words: Constructed wetland, Streptomycin application, microbial biomass, metabolic patterns, pollutant removals

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