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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제30권 제9호
- 발행연도
- 2020.1
- 수록면
- 1,355 - 1,366 (12page)
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초록· 키워드
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Sediment bacterial communities are critical to the biogeochemical cycle in river ecosystems, but our understanding of the relationship between sediment bacterial communities and their specific input streams in rivers remains insufficient. In this study, we analyzed the sediment bacterial community structure in a local river receiving discharge of urban domestic sewage by applying Illumina MiSeq high-throughput sequencing. The results showed that the bacterial communities of sediments samples of different pollution types had similar dominant phyla, mainly Proteobacteria, Actinobacteria, Chloroflexi and Firmicutes, but their relative abundances were different. Moreover, there were great differences at the genus level. For example, the genus Bacillus showed statistically significant differences in the hotel site. The clustering of bacterial communities at various sites and the dominant families (i.e., Nocardioidaceae, and Sphingomonadaceae) observed in the residential quarter differed from other sites. This result suggested that environmentally induced species sorting greatly influenced the sediment bacterial community composition. The bacterial cooccurrence patterns showed that the river bacteria had a nonrandom modular structure. Microbial taxonomy from the same module had strong ecological links (such as the nitrogenium cycle and degradation of organic pollutants). Additionally, PICRUSt metabolic inference analysis showed the most important function of river bacterial communities under the influence of different types of domestic sewage was metabolism (e.g., genes related to xenobiotic degradation predominated in residential quarter samples). In general, our results emphasize that the adaptive changes and interactions in the bacterial community structure of river sediment represent responses to different exogenous pollution sources.
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참고문헌 (92)
참고문헌 신청
Ibekwe AM / 2016 / Bacterial community composition and structure in an Urban River impacted by different pollutant sources / Sci. Total Environ 566:1176~1185
Araya R / 2003 / Bacterial activity and community composition in stream water and biofilm from an urban river determined by fluorescent in situ hybridization and DGGE analysis / FEMS Microbiol. Ecol 43:111~119
Koubar M / 2016 / A comparative study of the physicochemical and bacterial characteristics of the three drinking water sources distributed in Haret-Hreik city
Gao Y / 2017 / Vertical and horizontal assemblage patterns of bacterial communities in a eutrophic river receiving domestic wastewater in southeast China / Environ. Pollut 230:469~478
Sheng Y / 2013 / A combined application of different engineering and biological techniques to remediate a heavily polluted river / Ecol. Eng 57:1~7
Araya R / 2003 / Bacterial activity and community composition in stream water and biofilm from an urban river determined by fluorescent in situ hybridization and DGGE analysis / FEMS Microbiol. Ecol 43:111~119
Koubar M / 2016 / A comparative study of the physicochemical and bacterial characteristics of the three drinking water sources distributed in Haret-Hreik city
Gao Y / 2017 / Vertical and horizontal assemblage patterns of bacterial communities in a eutrophic river receiving domestic wastewater in southeast China / Environ. Pollut 230:469~478
Sheng Y / 2013 / A combined application of different engineering and biological techniques to remediate a heavily polluted river / Ecol. Eng 57:1~7
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