当前位置： SCI文献检索 > MARINE POLLUTION BULLETIN期刊下所有文献 > Abundance and diversity of copper resistance genes cusA and copA in microbial communities in relation to the impact of copper on Chilean marine sediments.

Abundance and diversity of copper resistance genes cusA and copA in microbial communities in relation to the impact of copper on Chilean marine sediments.

Abstract：

:Microorganisms have developed copper-resistance mechanisms in order to survive in contaminated environments. The abundance of the copper-resistance genes cusA and copA, encoding respectively for a Resistance Cell Nodulation protein and for a P-type ATP-ase pump, was assessed in copper and non-copper-impacted Chilean marine sediment cores by the use of molecular tools. We demonstrated that number of copA and cusA genes per bacterial cell was higher in the contaminated sediment, and that copA gene was more abundant than cusA gene in the impacted sediment. The molecular phylogeny of the two copper-resistance genes was studied and reveals an impact of copper on the genetic composition of copA and cusA genes.

journal_name

Mar Pollut Bull

journal_title

Marine pollution bulletin

authors

Besaury L,Bodilis J,Delgas F,Andrade S,De la Iglesia R,Ouddane B,Quillet L

doi

10.1016/j.marpolbul.2012.12.007

subject

Has Abstract

pub_date

2013-02-15 00:00:00

pages

16-25

issue

1-2

eissn

0025-326X

issn

1879-3363

pii

S0025-326X(12)00591-7

journal_volume

67

pub_type

杂志文章

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