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RNA-seq of Arabidopsis thaliana roots exposed to the MAMP flg22 in the presence of a community of commensal bacteria [RST]

ABSTRACT: This study evaluates the transcriptome of Arabidopsis thaliana roots exposed to the MAMP flg22 in the presence of a 35-member bacterial SynCom

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE156425 | GEO | 2021/03/27

REPOSITORIES: GEO

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RNA-seq of Arabidopsis thaliana seedlings exposed to the MAMP flg22 in the presence of individual commensal bacteria [MAE]

Project description:This study evaluates the transcriptome of Arabidopsis thaliana seedlings exposed to the MAMP flg22 in the presence of 35 different bacteria

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RNA-seq of Arabidopsis thaliana roots exposed to the MAMP flg22 in the presence of commensal bacteria

Project description:RNA-seq of Arabidopsis thaliana roots exposed to the MAMP flg22 in the presence of commensal bacteria

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Project description:To study the effect of microbe-associated molecular pattern (MAMP) treatment (flg22) on the phosphorylation of nuclear proteins, we treated Arabidopsis plants with flg22 and after isolation of nuclear proteins, we enriched for phosphopeptides and then carried out LC-MS/MS analyses. We used statistical analysis tools to identify differentially phosphorylated proteins in response to MAMP treatment in the mock and treated samples.

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RNA-seq of Arabidopsis thaliana roots exposed to the MAMP flg22 in the presence of a community of commensal bacteria [RST]

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Expression analysis of Arabidopsis thaliana Col-0 and parg1 with and without PARP inhibitor (3AB, 3MB), with and without MAMP (flg22, elf18)

Project description:Genome-wide gene expression analysis of the effects of PARP inhibitor (3AB) and, separately, a parg1 knockout, on early microbe-associate molecular pattern (MAMP)-induced gene expression in the plant basal defense response. Arabidopsis thaliana wild-type (Col-0), 3AB-treated and parg1-2 T-DNA knockout plants responding to the MAMP elicitors flg22 or elf18 were studied. The mutant and PARP inhibitors analyzed in this study are further described in Adams-Phillips, L.,C., Briggs, A.,G., Bent, A., F. 2010. Disruption of poly(ADP-ribosyl)ation mechanisms alters responses of Arabidopsis to biotic stress. Planty Physiol. 152(1):267-80 DOI: 10.1104/pp.109.148049.

2017-06-20 | GSE100205 | GEO

RNA-seq of Arabidopsis thaliana roots exposed to the MAMP flg22 in the presence of commensal bacteria

Project description:This SuperSeries is composed of the SubSeries listed below.

2021-03-27 | GSE156426 | GEO

RNA-seq of Arabidopsis thaliana seedlings growing in the presence of a bacterial synthetic community under full and low phosphate conditions [PBI]

Project description:This study evaluates the transcriptome of Arabidopsis thaliana seedlings growing in the presence of a 35-member bacterial SynCom under different phosphate availability

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RNA-seq of Arabidopsis thaliana seedlings growing in the presence of a 185-members bacterial synthetic community under full and low phosphate conditions

Project description:This study evaluates the transcriptome of Arabidopsis thaliana seedlings growing in the presence of a 185-member bacterial SynCom under different phosphate availability

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Arabidopsis CBP60g Contributes to MAMP-Induced SA Accumulation and Is Involved in Disease Resistance

Project description:Salicylic acid (SA)-induced defense responses are important factors during effector triggered immunity and microbe-associated molecular pattern (MAMP)-induced immunity in plants. This article presents evidence that a member of the Arabidopsis CBP60 gene family, CBP60g, contributes to MAMP-triggered SA accumulation. CBP60g is inducible by both pathogen and MAMP treatments. Pseudomonas syringae growth is enhanced in cbp60g mutants. Expression profiles of a cbp60g mutant after MAMP treatment are similar to those of sid2 and pad4, suggesting a defect in SA signaling. Accordingly, cbp60g mutants accumulate less SA when treated with the MAMP flg22 or a P. syringae hrcC strain that activates MAMP signaling. MAMP-induced production of reactive oxygen species and callose deposition are unaffected in cbp60g mutants. CBP60g is a calmodulin-binding protein with a calmodulin-binding domain located near the N-terminus. Calmodulin binding is dependent on Ca2+. Mutations in CBP60g that abolish calmodulin binding prevent complementation of the SA production and bacterial growth defects of cbp60g mutants, indicating that calmodulin binding is essential for the function of CBP60g in defense signaling. These studies show that CBP60g constitutes a calmodulin-dependent link between MAMP recognition and SA accumulation that is important for resistance to P. syringae. This experiment consists of three biological replicates. For each genotype, two leaves per plant were pooled from three pots to prepare total RNA.

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