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Kleineidam, K. ; Sharma, S. ; Kotzerke, A.* ; Heuer, H.* ; Thiele-Bruhn, S.* ; Smalla, K.* ; Wilke, B.-M.* ; Schloter, M.

Effect of sulfadiazine on abundance and diversity of denitrifying bacteria by determining nirK and nirS genes in two arable soils.

Microb. Ecol. 60, 703-707 (2010)
DOI PMC
Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.
Sulfadiazine (SDZ) is an antibiotic frequently used in agricultural husbandry. Via manuring of excrements of medicated animals, the drug reaches the soil and might impair important biochemical transformation processes performed by microbes, e.g., the nitrogen turnover. We studied the effect of pig manure and SDZ-spiked pig manure on denitrifying bacteria by quantifying nirK and nirS nitrite reductase genes in two arable soils. Addition of manure entailed mainly an increase of nirK-harboring denitrifiers in both soils, whereas in the SDZ-amended treatments, primarily the nirS denitrifiers increased in abundance after the bioavailable SDZ had declined. However, the community composition of nirS nitrite reducers investigated by denaturing gradient gel electrophoresis did not change despite the observed alterations in abundance.
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Publication type Article: Journal article
Document type Scientific Article
Keywords PIG-MANURE; AGRICULTURAL SOILS; COMMUNITY; DENITRIFICATION; NITRIFICATION; INHIBITION; DYNAMICS; NITRATE; SAMPLES
Language english
Publication Year 2010
HGF-reported in Year 2010
ISSN (print) / ISBN 0095-3628
e-ISSN 1432-184X
Quellenangaben Volume: 60, Issue: 4, Pages: 703-707 Article Number: , Supplement: ,
Publisher Springer
Reviewing status Peer reviewed
PSP Element(s) G-504490-001
PubMed ID 20532498
Scopus ID 78149464195
Erfassungsdatum 2010-11-22