globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0120608
论文题名:
The Source of the River as a Nursery for Microbial Diversity
作者: Luiz Felipe Valter de Oliveira; Rogério Margis
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-3-24
卷: 10, 期:3
语种: 英语
英文关键词: Rivers ; Bacterioplankton ; Bacteria ; Microbiome ; Biodiversity ; Microbial ecology ; Next-generation sequencing ; Surface water
英文摘要: Bacteria are highly diverse and ubiquitous organisms that play a key role as drivers for ecosystem processes. The application of NGS (next-generation sequencing technologies) for 16S analysis has been broadly used for understanding bacterioplankton composition and structure. Most of studies conducted on aquatic ecosystems with 16S NGS have been in seawater and lakes. A few studies using NGS have been conducted in river environments and have suggested the presence of a bacterial seed-bank. We performed 16S highly variable V4 region high-throughput analysis in the Sinos River, which is located in one of most important Brazilian industrial centers. This region has several contrasts in its environmental characteristics, presenting a longitudinal gradient of eutrophication and making it a remarkable study site for observing the dynamics of bacterioplankton. We demonstrated consistent evidence for the existence of a bacterial seed-bank and its longitudinal persistence. Seasonal shifts reinforce the importance of the source of the river in maintaining the bacterial seed-bank that spreads throughout the river. Therefore, the preservation of the source of the river is important not only for hydrologic reasons but also to maintain the microbial composition and the ecological integrity of the river.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0120608&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/21046
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Programa de Pós-graduação em Genética e Biologia Molecular, Universidade Federal do Rio Grande do Sul, UFRGS, Porto Alegre, Brazil;Programa de Pós-graduação em Genética e Biologia Molecular, Universidade Federal do Rio Grande do Sul, UFRGS, Porto Alegre, Brazil;Centro de Biotecnologia and Departamento de Biofísica, Universidade Federal do Rio Grande do Sul, UFRGS, Porto Alegre, Brazil

Recommended Citation:
Luiz Felipe Valter de Oliveira,Rogério Margis. The Source of the River as a Nursery for Microbial Diversity[J]. PLOS ONE,2015-01-01,10(3)
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