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The Nansen Legacy POM Bacteria and Archaea

ABSTRACT: AeN_POM

PROVIDER: PRJEB66520 | ENA |

REPOSITORIES: ENA

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Dataset's files

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			Action	DRS
	ERR12092037_1.fastq.gz	Fastqsanger.gz
	ERR12092037_2.fastq.gz	Fastqsanger.gz
	ERR12092038_1.fastq.gz	Fastqsanger.gz
	ERR12092038_2.fastq.gz	Fastqsanger.gz
	ERR12092039_1.fastq.gz	Fastqsanger.gz

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Ammonia-oxidizing archaea and bacteria differentially contribute to ammonia oxidation in soil under precipitation gradients and land legacy.

Project description:BackgroundGlobal change has accelerated the nitrogen cycle. Soil nitrogen stock degradation by microbes leads to the release of various gases, including nitrous oxide (N2O), a potent greenhouse gas. Ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) participate in the soil nitrogen cycle, producing N2O. There are outstanding questions regarding the impact of environmental processes such as precipitation and land use legacy on AOA and AOB structurally, compositionally, and functionally. To answer these questions, we analyzed field soil cores and soil monoliths under varying precipitation profiles and land legacies.ResultsWe resolved 28 AOA and AOB metagenome assembled genomes (MAGs) and found that they were significantly higher in drier environments and differentially abundant in different land use legacies. We further dissected AOA and AOB functional potentials to understand their contribution to nitrogen transformation capabilities. We identified the involvement of stress response genes, differential metabolic functional potentials, and subtle population dynamics under different environmental parameters for AOA and AOB. We observed that AOA MAGs lacked a canonical membrane-bound electron transport chain and F-type ATPase but possessed A/A-type ATPase, while AOB MAGs had a complete complex III module and F-type ATPase, suggesting differential survival strategies of AOA and AOB.ConclusionsThe outcomes from this study will enable us to comprehend how drought-like environments and land use legacies could impact AOA- and AOB-driven nitrogen transformations in soil.

| S-EPMC10659370 | biostudies-literature

bacteria, archaea

Project description:Vacuum-heat-assisted microbiome sample desiccation

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