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ABSTRACT: Impact of long-term fertilization on bacterial communities in one at the long term static fertilization experiment in Bad Lauchstadt

PROVIDER: PRJEB9307 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR868542.fastq.gz	Fastqsanger.gz
	ERR868543.fastq.gz	Fastqsanger.gz
	ERR868544.fastq.gz	Fastqsanger.gz
	ERR868545.fastq.gz	Fastqsanger.gz
	ERR868546.fastq.gz	Fastqsanger.gz

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Project description:Copper has long been applied for agricultural practices. Like other metals, copper is highly persistent in the environment and biologically active long after its use has ceased. Here we present a unique study on the long-term effects (27 years) of copper and pH on soil microbial communities and on Folsomia candida, an important representative of the soil macrofauna, in an experiment with a full factorial, random block design. Bacterial communities were mostly affected by pH. These effects were prominent in Acidobacteria, while Actinobacteria and Gammaroteobacteria communities were affected by original and bioavailable copper. Reproduction and survival of the collembolan F. candida was not affected by the studied copper concentrations. However, the transcriptomic responses to copper reflected a mechanism of copper transport and detoxification, while pH exerted effects on nucleotide and protein metabolism and (acute) inflammatory response. We conclude that microbial community structure explained the history of copper contamination, while gene expression analysis of F. candida is associated with the current level of bioavailable copper. Combined analysis at various trophic levels is highly relevant in the context of assessing long-term soil pollution.

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