Microbiological Comparison of Core and Groundwater Samples Collected from a Fractured Basalt Aquifer with that of Dialysis Chambers Incubated In Situ

R. Michael Lehman; Sean P. OConnell; Amy BantaJames K. FredricksonAnna-Louise ReysenbachiThomas L. KieftFrederick S. Colwell

首页> 外文期刊>Geomicrobiology journal >Microbiological Comparison of Core and Groundwater Samples Collected from a Fractured Basalt Aquifer with that of Dialysis Chambers Incubated In Situ

【24h】

Microbiological Comparison of Core and Groundwater Samples Collected from a Fractured Basalt Aquifer with that of Dialysis Chambers Incubated In Situ

机译：Microbiological Comparison of Core and Groundwater Samples Collected from a Fractured Basalt Aquifer with that of Dialysis Chambers Incubated In Situ

获取原文

获取原文并翻译 | 示例

掌桥外文数据库（机构版） >>

开具论文收录证明 >>

文献代查 >>

页面导航

摘要
著录项
相关主题

摘要

Microorganisms associated with basalt core were compared to those suspended in groundwater pumped from the same well in the eastern Snake River Plain Aquifer (Idaho, USA). Two wells located at different distances from the source of a mixed-waste plume in the fractured basalt aquifer were examined. In the well more distal from the plume source, an array of dialysis chambers filled with either deionized water or crushed basalt was equilibrated to compare the microorganisms collected in this fashion with those from core and groundwater samples collected in a traditional manner from the same well. The samples were characterized to determine the total amount of biomass, presence of specific populations or physiological groups, and potential community functions. Microorganisms and their activities were nearly undetectable in core and groundwater collected from the well farthest from the plume source and substantially enriched in both core and groundwater from the well closest to the plume source. In both wells, differences (statistically significant for some measures) were found between bacteria associated with the cores and those suspended in the groundwater. Significantly higher populations were found in the basalt- and water-filled dialysis chambers incubated in the open well compared with core and groundwater samples, respectively. For a given parameter, the variation among dialysis chambers incubated at different depths was much less than the high variation observed among core samples. Analyses on selected basalt- and water-filled dialysis chamber samples suggested that these two communities were compositionally similar but exhibited different potential functions. Documented knowledge of cell physiological changes associated with attachment and potential differences between attached and unattached communities in aquifers indicate that careful consideration should be given to the type of sample media (i.e., core, groundwater, substrata incubated in a well) used to represent a subsurface environment.

著录项

来源
《Geomicrobiology journal》 |2004年第3期|169-182|共14页
作者
R. Michael Lehman; Sean P. OConnell; Amy BantaJames K. FredricksonAnna-Louise ReysenbachiThomas L. KieftFrederick S. Colwell;
展开▼
作者单位

Biotechnology Department, Idaho National Engineering and Environmental Laboratory, Idaho Falls, Idaho, USA;

Department of Environmental Biology, Portland State University, Portland, Oregon, USA;

Department of Environmental Microbiology, Pacific Northwest National Laboratory, Richland, Washington, USABiology Department, New Mexico Institute of Mining and Technology, Socorro, New Mexico, USA;

展开▼
收录信息
原文格式 PDF
正文语种英语
中图分类其他应用微生物学;
关键词
aquifer; attached; fre-living; groundwater; microbiology; subsurface; TCE;

Microbiological Comparison of Core and Groundwater Samples Collected from a Fractured Basalt Aquifer with that of Dialysis Chambers Incubated In Situ

摘要

著录项

相关主题

期刊订阅