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ABSTRACT: Soil microbiome along AgNPs microverse cultivated soil

PROVIDER: PRJNA1085225 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR28264400_1.fastq.gz	Fastqsanger.gz
	SRR28264400_2.fastq.gz	Fastqsanger.gz
	SRR28264500_1.fastq.gz	Fastqsanger.gz
	SRR28264500_2.fastq.gz	Fastqsanger.gz
	SRR28264401_1.fastq.gz	Fastqsanger.gz

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Project description:In spite of many reports on the toxicity of silver nanoparticles (AgNPs), the mechanisms underlying the toxicity are far from clear. The present study conducted transcriptome and microRNAome sequencing for Euplotes vannus to understand the molecular mechanisms by which this protist copes with AgNPs exposure. By transcriptome profiling, 1884 and 5834 differentially expressed genes (DEGs) were identified after one hour and 12 hours exposure to 15 mg/L AgNPs, respectively. From microRNAsome profiling, totally 16 differentially expressed microRNAs were identified under AgNPs stress.In spite of many reports on the toxicity of silver nanoparticles (AgNPs), the mechanisms underlying the toxicity are far from clear. The present study conducted transcriptome and microRNAome sequencing for Euplotes vannus to understand the molecular mechanisms by which this protist copes with AgNPs exposure. By transcriptome profiling, 1884 and 5834 differentially expressed genes (DEGs) were identified after one hour and 12 hours exposure to 15 mg/L AgNPs, respectively. The DEGs were significantly enriched in macropinocytosis and phagocytic vesicles suggesting that the uptake of AgNPs may be mediated by endocytic pathways, while the differential expression of ABC transporters and copper-transporting ATPase implicates active efflux transport of Ag. Several DNA repair pathways were also significantly enriched with differentially expressed cell cycle control genes implying that exposure to AgNPs might have caused DNA damage and G2/M cell cycle arrest. The damage might have resulted from increased ROS production, as evidenced by elevated expression of several antioxidants genes to combat oxidative stress. From microRNAsome profiling, totally 16 differentially expressed microRNAs were identified under AgNPs stress. Integrated analysis of the microRNA and mRNA expression profiles found that the differentially expressed microRNAs target a series of genes involved in many important biological processes, suggesting that E. vannus exposure elicited a broad post-transcriptional regulatory mechanism through microRNAs–mRNAs–biological functions network to cope with the toxicity of AgNPs.

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