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Rice genes responsive to Glu

ABSTRACT: Treatment of rice roots with glutamate (Glu) induces systemic disease resistance against rice blast in leaves. To analyze the effect of Glu on the transcriptome of rice, rice roots were treated with Glu solution, and then fourth leaves were harvested and analyzed by Agilent rice microarray.

ORGANISM(S): Oryza sativa

PROVIDER: GSE78266 | GEO | 2016/04/01

SECONDARY ACCESSION(S): PRJNA313063

REPOSITORIES: GEO

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Rice genes responsive to Glu

Project description:Treatment of rice roots with glutamate (Glu) induces systemic disease resistance against rice blast in leaves. To analyze the effect of Glu on the transcriptome of rice, rice roots were treated with Glu solution, and then fourth leaves were harvested and analyzed by Agilent rice microarray. Rice plants were treated with Glu (10 mM) or mock (water) solution and leaves were analyzed at 9 and 24 h in two biological replicates.

2016-04-01 | E-GEOD-78266 | biostudies-arrayexpress

Expression data from rice roots treated with Glu

Project description:We used GeneChip Rice Genome Array (Affymetrix, Santa Clara, CA, USA) to identify genes that were rapidly induced by glutamate in rice roots. Transcriptomic analysis of rice roots revealed that the expression of at least 122 genes involved in metabolism, transport, signal transduction, defense, and stress responses was rapidly induced by glutamate within 30 minutes.

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RNA-Seq of Arabidopsis Col-0 and sid2 seedlings treated with L-Glu and urea

Project description:Plant resistance inducers (PRIs) are compounds that protect crops from diseases by activating plant immunity. The exogenous treatment with glutamate (Glu), an important amino acid for living organisms, was shown to induce resistance against fungal pathogen in rice and tomato. To understand the molecular mechanism of Glu-induced immunity, we developed a model system using Arabidopsis thaliana. Here, we found that exogenous treatment with Glu to Arabidopsis enhances resistance against Pseudomonas syringae pv. tomato DC3000 and Colletotrichum higginsianum. Consistently, transcriptome analyses of Arabidopsis seedlings treated with Glu showed that Glu significantly induces the expression of wound, defense, and stress related genes. Interestingly, Glu activates the expression of pathogen or damage associated molecular patterns (PAMP or DAMP)–inducible genes at much later time points than PAMP/DAMPs normally do. Moreover, expression of Glu-inducible genes does not require known components of PAMP receptor complex, glutamate receptors, salicylic acid-biosynthesis enzyme, or glutamate decarboxylase. In addition, Glu also enhances PAMP-inducible immune responses, such as production of reactive oxygen species and mitogen-activated protein kinase activation. These results show that Glu activates PAMP/DAMP-triggered immunity signaling pathway in a novel manner.

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RNA-Seq of Arabidopsis Col-0 seedlings treated with L-Glu, urea, SA, and distilled water.

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Gene expression in rice leaves (Pia) in response to inoculation with rice blast fungus

Project description:Fourth leaves of rice seedlings (4.5 leaf stage) grown in hydroponic culture were inoculated with rice blast fungus and gene expression profiles were analyzed by microarray. Fourth leaves of the two isogenic lines of rice cv Nipponbare (blast-resistance gene: Pia or its mutant, pia) were inoculated with rice blast fungus, P91-15B, carrying avirulence gene, AvrPia. Total RNA was isolated, labeled with cy3, and probed with agilent rice oligoarray (4x44).

2015-04-01 | E-GEOD-62893 | biostudies-arrayexpress

Gene expression in rice leaves (Pish) in response to inoculation with rice blast fungus

Project description:Fourth leaves of rice seedlings (4.5 leaf stage) grown in hydroponic culture were inoculated with rice blast fungus and gene expression profiles were analyzed by microarray. Fourth leaves of the two isogenic lines of rice cv Nipponbare (blast-resistance gene: Pish or its mutant, pish) were inoculated with rice blast fungus, Kyu77-07A, carrying avirulence gene, AvrPish. Total RNA was isolated, labeled with cy3, and probed with agilent rice oligoarray (4x44).

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Gene expression in rice leaves (Pish) in response to inoculation with rice blast fungus

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Gene expression in rice leaves (Pia) in response to inoculation with rice blast fungus

Project description:Fourth leaves of rice seedlings (4.5 leaf stage) grown in hydroponic culture were inoculated with rice blast fungus and gene expression profiles were analyzed by microarray.

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Gene expression in rice roots in response to inoculation with rice blast fungus

Project description:Rice roots grown in hydroponic culture were inoculated with rice blast fungus and gene expression profiles were analyzed by microarray Roots of two isogenic lines of rice cv Nipponbare (blast-resistance gene: Pia or pia) were inoculated with rice blast fungus, P91-15B, carrying avirulence gene, AvrPia. Total RNA was isolated from crown roots, labeled with cy3, and probed with agilent rice oligoarray (4x44).

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Gene expression in rice roots in response to inoculation with rice blast fungus

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