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Nitrate regulates maize root transcriptome through nitric oxide dependent and independent mechanisms

ABSTRACT: Nitrate regulates maize root transcriptome through nitric oxide dependent and independent mechanisms

PROVIDER: PRJNA723826 | ENA |

REPOSITORIES: ENA

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Nitrate regulates maize root transcriptome through nitric oxide dependent and independent mechanisms

Project description:Maize root responds to nitrate by modulating its development thorough the coordinated action of many players, interacting one each other. Among them, nitric oxide is produced in primary root of previously deprived seedlings early after the nitrate provision, thus inducing root elongation. In this study, a molecular untargeted approach was applied to discriminate the signaling and physiological pathways regulated by nitrate through nitric oxide from those regulated by nitrate itself of by further downstream factors. To this aim an RNA-sequencing approach was applied to discover the main molecular signatures distinguishing the response of maize root to nitrate according to their dependency, or independency on nitric oxide. A set of subsequent detailed functional annotation tools (Gene Ontology enrichment, MapMan, KEGG reconstruction pathway, transcription factors detection) were used to try to gain further information on the importance of this molecule in the regulation of the maize transcriptional response to nitrate. Besides, the lateral root density was measured both in the presence of nitrate and in the presence of nitrate plus cPTIO, a specific NO scavenger, and compared to that observed for N-depleted roots. Our results led to identify six clusters of transcripts according to their responsiveness to nitric oxide and to their regulation by nitrate provision. In general, common and specific features for the six clusters were identified allowing to discompose the overall root response to nitrate according to its dependency on nitric oxide.

2021-09-01 | GSE173102 | GEO

Role of nitric oxide and nitric oxide synthase isoforms in pulmonary emphysema.

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Oleic acid-dependent modulation of Nitric Oxide Associated 1 protein levels regulate nitric oxide mediate signaling in plant defense.

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Transcriptome response to nitric oxide in Pseudomonas aeruginosa

Project description:DNA microarray analysis was employed to investigate the transcriptome response to nitric oxide in Pseudomonas aeruginosa. We focused on the role played by the nitric oxide-response regulators DNR and FhpR and an oxygen-response regulator ANR in the response. The transcriptome profiles of the P. aeruginosa strains before and after exposure to nitric oxide under the microaerobic conditions were analyzed. Wild type, its anr, dnr, and fhpR mutants, and the anr mutant that express dnr were used for the analyses. Pseudomonas aeruginosa wild type (PAO1ut), anr mutant (RManr), dnr mutant (RMdnr), anr mutant that constitutively expresses DNR (RManrEXdnr), and fhpR mutant (PDM2665) were cultivated microaerobically in LB in 1-liter jar fermenter. When optical density at 600 nm reached 0.3, nitric oxide-saturated water was added to the medium (final nitric oxide concentration was 20 micro-M). RNA was isolated from a 10 ml aliquot of the culture prior to the addition of nitric oxide and at 5 min after the addition. The experiment was performed in duplicate independent cultures.

2014-12-08 | E-GEOD-58862 | biostudies-arrayexpress

Role of nitric oxide and nitric oxide synthase isoforms in pulmonary emphysema.

Project description:Role of nitric oxide and nitric oxide synthase isoforms in pulmonary emphysema.

| PRJNA691047 | ENA

Oleic acid-dependent modulation of Nitric Oxide Associated 1 protein levels regulate nitric oxide mediate signaling in plant defense.

Project description:Oleic acid-dependent modulation of Nitric Oxide Associated 1 protein levels regulate nitric oxide- mediate signaling in plant defense. Nitric Oxide, Oleic acid, Salicylic acid, Arabidopsis, Defense Wild-type Col-0, mutant genotypes ssi2, ssi2 act1 and ssi2 sid2 with three biological replicates were analyzed (one array each)

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Nitrate Regulates Maize Root Transcriptome through Nitric Oxide Dependent and Independent Mechanisms.

Project description: Not available

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Mechanisms of Myelocytic Nitric Oxide Synthases Against Hypoxia-Induced Pulmonary Hypertension

Project description:The goals of this study are to comprehensively identify genes controlled by myelocytic nitric oxide synthases in the lung against hypoxia-induced pulmonary hypertension, and to identify a novel alternative splicing mechanism.

2017-11-03 | GSE92263 | GEO

Transcriptome response to nitric oxide in Pseudomonas aeruginosa

2014-12-08 | GSE58862 | GEO

Testing the effects of nitric oxide (oxidative) stress on Caulobacter transcription

Project description:The goal of this study was to measure the effects of nitric oxide exposure (using DETA NONOate as a nitric oxide donor) on transcription in Caulobacter.

2010-06-21 | GSE21139 | GEO

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