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Nicotiana benthamiana

ABSTRACT: DCL2 and DCL4 genes double-knockout Nicotiana benthamiana

PROVIDER: PRJDB9377 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	DRR213051_1.fastq.gz	Fastqsanger.gz
	DRR213051_2.fastq.gz	Fastqsanger.gz
	DRR213052_1.fastq.gz	Fastqsanger.gz
	DRR213052_2.fastq.gz	Fastqsanger.gz
	DRR213053_1.fastq.gz	Fastqsanger.gz

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Dicer-like proteins and their role in plant-herbivore interactions in Nicotiana attenuata

Project description:DICER-like proteins produce small RNAs that silence genes involved in development and defenses against viruses and pathogens. Which DCLs participate in plant-herbivore interactions remains unstudied. We identified four distinct DCL genes and stably silenced their expression by RNAi in Nicotiana attenuata, a model system for the study of plant-herbivore interactions. Silencing DCL1 expression was lethal to the plants. Manduca sexta larvae performed significantly better on ir-dcl3and ir-dcl4 plants, but not on ir-dcl2 plants compared to wild type plants. Phytohormones, defense metabolites and microarray analyses revealed that when DCL3 and DCL4 were silenced separately, herbivore resistance traits were regulated in distinctly different ways. Crossing of the lines revealed complex interactions in the patterns of regulation. Single ir-dcl4 and double ir-dcl2/ ir-dcl3 plants were impaired in JA accumulation, while JA-Ile was increased in ir-dcl3 plants. Ir-dcl3 and ir-dcl4 plants were impaired in nicotine accumulation; silencing DCL2 in combination with either DCL3 or DCL4 restored nicotine levels to those of WT. Trypsin proteinase inhibitor activity and transcripts were only silenced in ir-dcl3 plants. We conclude that DCL2/3/4 interact in a complex manner to regulate anti-herbivore defenses and that these interactions significantly complicate the already challenging task of understanding smRNA function in the regulation of biotic interactions. Gene expression in leaves of Nicotiana attenuata wild type, irDCL3 and irDCL4 plants was measured at 1 hour after elicitation with oral secretions of Manduca sexta larvae. Three independent experiments were performed with wild type plants and three independent experiments were performed with irDCL3 and irDCL4 plants. A total of 811 genes were identified as differentially regulated in irDCL3 and irDCL4 compared to wild type plants.

2013-12-24 | E-GEOD-30124 | biostudies-arrayexpress

Dicer-like proteins and their role in plant-herbivore interactions in Nicotiana attenuata

2013-12-24 | GSE30124 | GEO

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Project description:Nicotiana benthamiana

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Small RNAs from Nicotiana benthamiana leaves

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.

2014-02-10 | GSE48886 | GEO

Small RNA sequencing of NlCSP1-infiltrated Nicotiana benthamiana

Project description:In order to find the miRNAs, target genes and signaling pathways related to the dwarf phenotype induced by NlCSP1, 35S-NlCSP1 and 35S-GFP control were infiltrated into Nicotiana benthamiana. We analyzed the differentially expressed miRNAs in the infiltrated leaves (NlCSP1_Z/GFP_Z) and the upper uninfiltrated leaves (NlCSP1_O/GFP_O) of N. benthamiana. A total of 106 and 97 differentially expressed miRNAs were identified in NlCSP1_Z/GFP_Z and NlCSP1_O/GFP_O, respectively. KEGG annotation revealed a large number of differentially expressed miRNAs involved in plant hormone signal transduction, indicating that NlCSP1 changed the hormone signal pathway in N. benthamiana.

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RNA sequencing of NlCSP11-infiltrated Nicotiana benthamiana

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.

2024-05-30 | GSE267686 | GEO

Effect of Transcriptional-like Effectors (TALE) on Nicotiana benthamiana leaves

Project description:To investigate gene expression upon inoculation of Nicotiana benthamiana leaves with a TALE inducing cell death

2024-08-08 | GSE221441 | GEO

Effect of Transcriptional-like Effector (TALE) on Nicotiana benthamiana leaves

Project description:To investigate gene expression upon inoculation of Nicotiana benthamiana leaves with a TALE inducing cell death

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