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Nicotiana benthamiana

ABSTRACT: Small RNAs in targeted DNA methylation

PROVIDER: PRJDB9742 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	DRR234468_1.fastq.gz	Fastqsanger.gz
	DRR234468_2.fastq.gz	Fastqsanger.gz
	DRR234469_1.fastq.gz	Fastqsanger.gz
	DRR234469_2.fastq.gz	Fastqsanger.gz
	DRR234470_1.fastq.gz	Fastqsanger.gz

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Project description:In order to find the differentially expressed RNAs and signaling pathways related to the dwarf phenotype induced by NlCSP11, 35S-NlCSP11, 35S-XopQ and 35S-GFP control were infiltrated into Nicotiana benthamiana. We analyzed the differentially expressed RNAs in the infiltrated leaves (NlCSP11_Z/XopQ_Z) and the upper uninfiltrated leaves (NlCSP11_U/XopQ_U) of N. benthamiana. KEGG annotation revealed a large number of differentially expressed RNAs involved in plant-pathogen interactions, indicating that NlCSP11 resulted in a more strong systemic resistance in N. benthamiana.

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Project description:Small RNA expression from Nicotiana benthamiana leaves was profiled with the primary goal of ascertaining microRNA isoform diversity for known, conserved families. A secondary goal was to provide a baseline small RNA expression atlas for this species and tissue. Two biological replicates of leaves from growth-room grown plants. The two libraries were each run twice on different runs, so there are a total of four datasets. For most analyses, it will be appropriate to combine the run1 and run2 versions for the libraries.

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Profile of small interfering RNAs derived from Beet black scorch virus and its associated satellite RNA in Nicotiana benthamiana

Project description:Co-infection of none-coding satellite RNAs (sat-RNAs) usually inhibits replication and attenuates disease symptoms of helper viruses. Here we find that the sat-RNA of Beet black scorch virus (BBSV) enhances both the accumulation and the systemic infection of its helper virus in the Nicotiana benthamiana (N. benthamiana). Besides, the infection of BBSV is higher efficient in low temperature (18ºC) than room temperature (25ºC), suggesting that BBSV is temperature sensitive. To explore the effect of temperature and sat-RNA on the silencing induced by BBSV, we cloned and sequenced the total small RNAs produced during infection of BBSV alone or with its sat-RNA under different temperature. Our results shows that the size profile of the siRNAs derived from either BBSV or coinfection with sat-RNA are 22 nucleotide (nt), followed by 21-nt reads and other length reads. Notably, more than 80% of the total small RNAs sequenced from plants infected with BBSV alone were BBSV-siRNAs, whereas the abundance of sat-RNA-derived siRNAs were higher than BBSV-siRNAs in the co-infected plants, indicating sat-RNA involved in gene silencing as a surrogacy of BBSV. Interestingly, the 5′ termini of siRNAs derived from BBSV and sat-RNA were dominated by Uridines (U) and Adenines (A), respectively. Consistently, the infection of BBSV alone or with sat-RNA induces high accumulation of Argonaute 1 (AGO1) and AGO2, respectively. Our work reveals the profiles of siRNAs of BBSV and sat-RNA and provides a new clue to investigate the complicated interaction between the helper virus and sat-RNA.

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