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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제20권 제3호
- 발행연도
- 2010.1
- 수록면
- 447 - 459 (13page)
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Bacterial diversity of two distinct wastewater treatment systems, conventional activated sludge (CAS) and membrane bioreactor (MBR), of petroleum refineries were investigated through 16S rRNA gene libraries. Sequencing and phylogenetic analysis showed that the bacterial community composition of sludge samples was distinct between the two wastewater treatment systems. MBR clones belonged predominantly to Class Betaproteobacteria, represented mainly by genera Thiobacillus and Thauera, whereas CAS clones were mostly related to Class Alphaproteobacteria,represented by uncultured bacteria related to Order Parvularculales. Richness estimators ACE and Chao revealed that the diversity observed in both libraries at the species level is an underestimate of the total bacterial diversity present in the environment and further sampling would yield an increased observed diversity. Shannon and Simpson diversity indices were different between the libraries and revealed greater bacterial diversity for the MBR library,considering an evolutionary distance of 0.03. LIBSHUFF analyses revealed that MBR and CAS communities were significantly different at the 95% confidence level (P≤0.05)for distances 0≤D≤0.20. This work described, qualitatively and quantitatively, the structure of bacterial communities in industrial-scale MBR and CAS processes of the wastewater treatment system from petroleum refineries and demonstrated clearly differentiated communities responsible for the stable performance of wastewater treatment plants.
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참고문헌 (24)
참고문헌 신청
[학술지(정기간행물)
Amann, R. I / 1995 / Phylogenetic identification and in situ detection of individual microbial cells without cultivation / Microbiol. Rev 59 : 143 ~ 169
Barbosa, V. L / 2006 / Characterization of Thiobacillus thioparus isolated from a activated sludge bioreactor used for hydrogen sulde treatment / J. Appl. Microbiol 101 : 126
Beer, M / 2002 / Phylogeny of the filamentous bacterium Eikelboom Type 1851, and design and application of a 16S rRNA targeted oligonucleotide probe for its fluorescence in s
Bjornsson, L / 2002 / Filamentous Chloroflexi (green non-sulfur bacteria) are abundant in wastewater treatment processes with biological nutrient removal / Microbiology 148 :
Amann, R. I / 1995 / Phylogenetic identification and in situ detection of individual microbial cells without cultivation / Microbiol. Rev 59 : 143 ~ 169
Barbosa, V. L / 2006 / Characterization of Thiobacillus thioparus isolated from a activated sludge bioreactor used for hydrogen sulde treatment / J. Appl. Microbiol 101 : 126
Beer, M / 2002 / Phylogeny of the filamentous bacterium Eikelboom Type 1851, and design and application of a 16S rRNA targeted oligonucleotide probe for its fluorescence in s
Bjornsson, L / 2002 / Filamentous Chloroflexi (green non-sulfur bacteria) are abundant in wastewater treatment processes with biological nutrient removal / Microbiology 148 :
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