Contamination of Soil by Copper Affects the Dynamics, Diversity, and Activity of Soil Bacterial Communities Involved in Wheat Decomposition and Carbon Storage

被引：35
作者：
Bernard, L.
Maron, P. A.
Mougel, C.
Nowak, V.
Leveque, J. [2 ]
Marol, C. [3 ]
Balesdent, J. [4 ]
Gibiat, F. [3 ]
Ranjard, L. [1 ]
机构：
[1] Univ Bourgogne, CMSE, Lab Microbiol & Geochim Sols, INRA,UMR Microbiol Sol & Environm, F-21065 Dijon, France
[2] Univ Bourgogne, UMR CNRS Biogeosci, UMR 5561, F-21000 Dijon, France
[3] Univ Aix Marseille, UMR Biol Vegetale & Microbiol Environm 6191, DSV IBEB SBVME Groupement Rech Appl Phytotechnol, CEA CNRS,CEA Cadarache, F-13108 St Paul Les Durance, France
[4] INRA, Unite Geochim Sols & Eaux Europole Mediterraneen, F-13545 Aix En Provence 04, France
来源：
APPLIED AND ENVIRONMENTAL MICROBIOLOGY | 2009年 / 75卷 / 23期
关键词：
MICROBIAL COMMUNITIES; AGRICULTURAL SOILS; TOXICITY;
D O I：
10.1128/AEM.00616-09
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
A soil microcosm experiment was conducted to evaluate the influence of copper contamination on the dynamics and diversity of bacterial communities actively involved in wheat residue decomposition. In the presence of copper, a higher level of CO2 release was observed, which did not arise from greater wheat decomposition but from a higher level of stimulation of soil organic matter mineralization (known as the priming effect). Such functional modifications may be related to significant modifications in the diversity of active bacterial populations characterized using the DNA stable-isotope probing approach.
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收藏
页码：7565 / 7569
页数：5
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