Denaturing Gradient Gel Electrophoresis Analyses of Microbial Community from Field-Scale Composter.
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概要
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The diversity of microbial community during the decomposition of waste in a field-scale composter (Hazaka system) was investigated by denaturing gradient gel electrophoresis (DGGE). The composter operates at a high temperature through a self-heating system, creating a thermophilic (60-76°C) stage during the initial phase and a mesophilic (45°C) stage towards the later phase of the composting period. The pH of the system (pH7.75-8.10) did not vary significantly during the process while moisture content was reduced from 48.8% to 25.1%. DGGE and 16S rDNA analyses showed that the following genera were found throughout the process: Propionibacterium sp., Methylobacterium sp., Pseudomonas sp., and Bradyrhizobium sp. Different Bacillus spp. thrive at the thermophilic or the mesophilic stage while Clostridium sp. was only found at the initial phase of the process. Staphylococcus sp. and Caulobacter sp. or Brevundimonas sp. existed during the later phase of the composting period.
- 社団法人 日本生物工学会の論文
社団法人 日本生物工学会 | 論文
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