Changes in microbial community structure in the wake of Hurricanes Katrina and Rita.
Changes in microbial community structure in the wake of Hurricanes Katrina and Rita.
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DOI：
10.1021/es801904z
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发表时间：
2008-12-15
影响因子：
11.4
通讯作者：
Gast, Rebecca J.
中科院分区：
文献类型：
--
作者：
Amaral-Zettler, Linda A.;Rocca, Jennifer D.;Lamontagne, Michael G.;Dennett, Mark R.;Gast, Rebecca J.
飓风有可能改变沿海生态系统的结构，并产生充满病原体的洪水，威胁公众健康。为了研究飓风对城市系统的影响，我们比较了卡特里娜飓风后和丽塔飓风前后收集的样本中的微生物群落结构。我们提取环境DNA和测序的小亚基核糖体RNA（SSU rRNA）基因克隆文库，调查从查尔斯湖，庞恰特雷恩湖，第17街和工业运河在新奥尔良和原污水的洪水，水和沉积物样品中的微生物群落。对应分析表明，与沉积物相关联的微生物群落形成一个集群，而与湖泊和工业运河水相关联的社区形成第二个。与第17街运河和新奥尔良收集的洪水有关的社区与未处理污水中的社区相似，并含有许多与可能的病原微生物有关的序列。这表明，一个独特的微生物群落卡特里娜飓风后的洪水和微生物群落结构作为一个整体可能是生态系统健康的敏感指标，并作为环境中的水质的“哨兵”。
Hurricanes have the potential to alter the structures of coastal ecosystems and generate pathogen-laden floodwaters that threaten public health. To examine the impact of hurricanes on urban systems, we compared microbial community structures in samples collected after Hurricane Katrina and before and after Hurricane Rita. We extracted environmental DNA and sequenced small-subunit ribosomal RNA (SSU rRNA) gene clone libraries to survey microbial communities in floodwater, water and sediment samples collected from Lake Charles, Lake Pontchartrain, the 17th Street and Industrial Canals in New Orleans and raw sewage. Correspondence Analysis showed that microbial communities associated with sediments formed one cluster while communities associated with lake and Industrial Canal water formed a second. Communities associated with water from the 17th Street Canal and floodwaters collected in New Orleans showed similarity to communities in raw sewage and contained a number of sequences associated with possible pathogenic microbes. This suggests that a distinct microbial community developed in floodwaters following Hurricane Katrina and that microbial community structures as a whole might be sensitive indicators of ecosystem health and serve as “sentinels” of water quality in the environment.
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影响因子：
14.9
作者：
Ludwig, W;Strunk, O;Schleifer, KH
通讯作者：
Schleifer, KH
影响因子：
14.9
作者：
Pruesse E;Quast C;Knittel K;Fuchs BM;Ludwig W;Peplies J;Glöckner FO
通讯作者：
Glöckner FO
影响因子：
0.8
作者：
Yue, JC;Clayton, MK
通讯作者：
Clayton, MK
影响因子：
4.4
作者：
Ashelford, KE;Chuzhanova, NA;Weightman, AJ
通讯作者：
Weightman, AJ
影响因子：
4.4
作者：
Ashelford, Kevin E.;Chuzhanova, Nadia A.;Weightman, Andrew J.
通讯作者：
Weightman, Andrew J.