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Transcriptome analyses of Pst DC3000-inoculated Arabidopsis thaliana Col-0 and 35S::CBP60g plants at normal and elevated temperature

ABSTRACT: Transcriptome analyses of Pst DC3000-inoculated Arabidopsis thaliana Col-0 and 35S::CBP60g plants at normal and elevated temperature

PROVIDER: PRJNA812018 | ENA |

REPOSITORIES: ENA

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Transcriptome analyses of Pst DC3000-inoculated Arabidopsis thaliana Col-0 and 35S::CBP60g plants at normal and elevated temperature

Project description:We performed RNA sequencing of Pseudomonas syringae pv. tomato (Pst) DC3000-infected A. thaliana Col-0 and 35S::CBP60g plants at normal (23C) and elevated (28C) temperatures. 4-week-old plants were pre-incubated at 23C and 28C for 48h and then leaves were syringe-infiltrated with DC3000 bacterial inoculum. Plants were incubated at their respective temperatures (23C or 28C) for another 24h post-inoculation before tissue collection for RNA extraction. RNA samples for submitted for RNA sequencing and we found different clusters of DC3000-regulated genes that were similarly or differentially regulated between Col-0 and 35S::CBP60g at elevated temperature. Temperature-downregulated DC3000-induced genes in Col-0 plants that were restored in 35S::CBP60g plants were enriched for immunity/defense-related genes, including those essential for host salicylic acid (defense hormone) biosynthesis and accumulation.

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Project description:We performed RNA sequencing of mock-inoculated and Pseudomonas syringae pv. tomato (Pst) DC3000-infected A. thaliana (Col-0 accession) plants at normal (23C) and elevated (30C) temperatures. 4-week-old Col-0 plants were pre-incubated at 23C and 30C for 48h and then leaves were syringe-infiltrated with either mock (MgCl2) or DC3000 bacterial inoculum. Plants were incubated at their respective temperatures (23C or 30C) for another 24h post-inoculation before tissue collection for RNA extraction. RNA samples for submitted for RNA sequencing and we found different clusters of DC3000-regulated genes that were downregulated, upregulated and unchanged at elevated temperature. Temperature-downregulated DC3000-induced genes were enriched for a whole suite of defense-related genes, including those essential for host salicylic acid (defense hormone) biosynthesis and accumulation.

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Transcription profiling of Arabidopsis wild type Columbia-0 and mutant gh3.5-1D in response to pathogen Pst DC3000(avrRpt2)

Project description:To reveal the underlying molecular mechanism of GH3.5 action in modulating the SA and auxin pathways, we performed transcriptional profiling of gh3.5-1D plants after infection with or without Pst DC3000(avrRpt2) on a global scale using the Affymetrix Arabidopsis ATH1 GeneChip Experiment Overall Design: Each 3 leaves of plants of 5-week-old wild type Columbia-0 and mutant gh3.5-1D (heterozygous) were inoculated with Pst DC3000(avrRpt2)at 105 cfu mL-1. Leaves were harvested at 0 h (uninoculated) and 48 hours after inoculation. Three biological repeats were performed on Columbia-0 (wild-type, Col-0) and gh3.5-1D (mutant) after infection with or without Pst DC3000(avrRpt2), respectively.

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