期刊
MICROBIAL ECOLOGY
卷 67, 期 1, 页码 108-119出版社
SPRINGER
DOI: 10.1007/s00248-013-0288-y
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资金
- ANR (DHYVA) [06-SEST-009]
The response of archaeal community to oil spill with the combined effect of the bioturbation activity of the polychaetes Hediste diversicolor was determined in mudflat sediments from the Aber-BenoIt basin (Brittany, French Atlantic coast), maintained in microcosms. The dynamics of the archaeal community was monitored by combining comparative terminal restriction fragment length polymorphism (T-RFLP) fingerprints and sequence library analyses based on 16S rRNA genes and 16S cDNA. Methanogens were also followed by targeting the mcrA gene. Crenarchaeota were always detected in all communities irrespective of the addition of H. diversicolor and/or oil. In the presence of oil, modifications of archaeal community structures were observed. These modifications were more pronounced when H. diversicolor was added resulting in a more diverse community especially for the Euryarchaeota and Thaumarchaeota. The analysis of mcrA transcripts showed a specific structure for each condition since the beginning of the experiment. Overall, oiled microcosms showed different communities irrespective of H. diversicolor addition, while similar hydrocarbon removal capacities were observed.
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