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E-MTAB-5891

ABSTRACT: RNA-seq of wheat leaves and roots in response to Xanthomonas translucens infection

OTHER RELATED OMICS DATASETS IN: PXD006870

TISSUE(S): Root, Leaf

PROVIDER: E-MTAB-5891 | ExpressionAtlas | 2017-10-10

REPOSITORIES: ExpressionAtlas

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Dataset's files

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			Action	DRS
	E-MTAB-5891-analysis-methods.tsv	Tabular
	E-MTAB-5891-analytics.tsv	Tabular
	E-MTAB-5891-atlasExperimentSummary.Rdata	Rdata
	E-MTAB-5891-configuration.xml	Xml
	E-MTAB-5891-g3_g1-mvaPlot.png	Other

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RNA-seq of wheat leaves and roots in response to Xanthomonas translucens infection

Project description:This study aimed at decrypting the transcriptomic response of 2 months-old grown tender wheat (cv Chinese Spring) to a the Xanthomonas translucens pathogen infection by infiltration. The response was monitored by RNAseq 24h post leaf clipping. Triticum aestivum cv. Chinese Spring plants were maintained in a growth chamber with cycles of 12 h of light at 21C and 50% relative humidity (RH) and 12 h of dark at 21C and 50% RH. Leaves of 49 days-old plants were infiltrated with a bacterial suspension in water with an optical density at 600 nm (OD600) of 0.5 using a needleless syringe. Plants inoculated with water were used as controls. For transcriptomic and proteomic analyses, leaves and root tissues were harvested 1 day post-inoculation (dpi), when symptoms were not visible yet. Three biological replicates per treatment were performed, and each with pooled leaves from two independent plants per replicate. The files per conditions and replicates are:Sample 1 Root tissue with 3 replicates: CONTROL * control condition for roots (wheat without pathogen infection): 3 replicates: 1.1R,1.2R, 1.3R * control condition for leaves (wheat without pathogen infection): 3 replicates1.1L,1.2L, 1.3L * Wheat Roots infected by Xanthomonas translucens: 3 replicates: 5.1R, 5.2R, 5.3R * Wheat Leaves infected by Xanthomonas translucens: 3 replicates: 5.1L, 5.2L, 5.3L

2017-09-01 | E-MTAB-5891 | biostudies-arrayexpress

RNAseq of roots and leaves of tender wheat (Triticum aestivum cv chinese Spring) during interactions with mycorhizal fungi (Funneliformis mossae) with and without a pathogen attack by Xanthomonas translucens

Project description:We monitored by RNAseq the transcriptomic response of roots and leaves of Triticum aestivum cv chinese Spring during a long term interaction with Funneliformis mossae (2 months) with or without a pathogen infection by infiltration of Xanthomonas translucens CFBP 2054. The control condition of roots and leaves wheat without mycorhizal fungi is in E-MTAB-5891 (material produced simultaneously and treated at the same time).

2018-06-01 | E-MTAB-5898 | biostudies-arrayexpress

RNA-seq of wheat leaves and roots in response to Xanthomonas translucens infection

Project description:RNA-seq of wheat leaves and roots in response to Xanthomonas translucens infection

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Transcriptome and proteome analysis reveals new insight into the proximal and distal responses of wheat to foliar infection by Xanthomonas translucens

Project description:The molecular details of local plant response against Xanthomonas translucens infection is largely unknown. Moreover, there is no knowledge about effects of the pathogen on the root’s transcriptome and proteome. Therefore, we investigated the global gene and protein expression changes both in leaves and roots of wheat (Triticum aestivum) 24h post leaf infection of X. translucens. This simultaneous analysis allowed us to obtain insight into possible metabolic rearrangements in above- and belowground tissues and to identify common responses as well as specific alterations. At the site of infection, we observed the implication of various components of the recognition, signaling, and amplification mechanisms in plant response to the pathogen. Moreover, data indicate a massive down-regulation of photosynthesis and confirm the chloroplast as crucial signaling hub during pathogen attack. Notably, roots responded as well to foliar attack and their response significantly differed from that locally triggered in infected leaves. Data indicate that roots as a site of energy production and synthesis of various secondary metabolites may actively influence the composition and colonisation level of root-associated microbes. Finally, our results emphasize the accumulation of jasmonic acid, pipecolic acid and/or the downstream mediator of hydrogen peroxide as long distal signals from infected leaves to roots.

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Project description:To test whether non-coding RNAs play roles in regulating response to powdery mildew infection and heat stress in wheat, by using Solexa high-throughput sequencing and computational analysis and experimental approach we cloned the small RNAs and identified 125 putative long npcRNAs from wheat leaves infected by preponderant physiological strain Erysiphe graminis f. sp. tritici (Egt) or by heat stress treatment. Among long non-coding RNAs, some were precursors of small RNAs such as microRNAs and siRNAs, two long npcRNAs were identified as signal recognition particle (SRP) 7S RNA variants, and three were characterized as U3 snoRNAs. Wheat long npcRNAs showed tissue dependent expression patterns and were responsive to powdery mildew infection and heat stress.

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