Petunia x hybrida
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA290001 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR2103424_1.fastq.gz | Fastqsanger.gz | |||
| SRR2103424_2.fastq.gz | Fastqsanger.gz | |||
| SRR2103425_1.fastq.gz | Fastqsanger.gz | |||
| SRR2103425_2.fastq.gz | Fastqsanger.gz | |||
| SRR2103426_1.fastq.gz | Fastqsanger.gz |
Items per page: 5 1 - 5 of 12 |
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Project description:The objective of this study was to analyze AHR activation through aromatic amino acid metabolism. To this end, glioblastoma cells were exposed to aromatic amino acid derived metabolites and their ability to activate AHR was analysed. In addition, AHR activation was evaluated in glioblastoma cells expressing IL4I1, an aromatic amino acid degrading enzyme, with or without shRNA mediated knockdown of AHR.
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Project description:The objective of this study was to analyze AHR activation through aromatic amino acid metabolism. To this end, glioblastoma cells were exposed to aromatic amino acid derived metabolites and their ability to activate AHR was analysed. In addition, AHR activation was evaluated in glioblastoma cells expressing IL4I1, an aromatic amino acid degrading enzyme, with or without shRNA mediated knockdown of AHR.
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Project description:Functional characterization of a WRKY transcription factor involved in the regulation of vacuolar transport and flavonoid biosynthesis in petunia
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Project description:It is not fully known whether translational regulation also occurs in later stage immune responses, such as effector-triggered immunity (ETI), which often leads to strong metabolic dynamics. In this study, we performed a genome-wide ribosome profiling in Arabidopsis upon ETI activation and discovered that specific groups of genes were translationally regulated, especially metabolic genes in aromatic amino acid, phenylpropanoid, camalexin, and sphingolipid metabolism. The involvement of these components in the induction of ETI was confirmed by genetic analysis, amino acid profiling and exogeneous application of phenylalanine or an inhibitor of aromatic amino acid biosynthesis. Our findings provide new insight into the diverse translational regulation in the plant immune responses and demonstrate that translational coordination of metabolic gene expression is an important strategy for ETI activation.
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Project description:Brassinosteroids (BRs) are steroidal plant hormones that play an important role in the growth and development of plants. The biosynthesis of sterols and BRs as well as the signalling cascade they induce in plants have been elucidated largely through metabolic studies and the analysis of mutants in Arabidopsis and rice. Only fragmentary details about BR signalling in other plant species are known. Here a forward genetics strategy was used in Petunia hybrida, by which 19 families with phenotypic alterations typical for BR deficiency mutants were identified. In all mutants, the endogenous BR levels were severely reduced. In seven families, the tagged genes were revealed as the petunia BR biosynthesis genes CYP90A1 and CYP85A1 and the BR receptor gene BRI1. In addition, several homologues of key regulators of the BR signalling pathway were cloned from petunia based on homology with their Arabidopsis counterparts, including the BRI1 receptor, a member of the BES1/BZR1 transcription factor family (PhBEH2), and two GSK3-like kinases (PSK8 and PSK9). PhBEH2 was shown to interact with PSK8 and 14-3-3 proteins in yeast, revealing similar interactions to those during BR signalling in Arabidopsis. Interestingly, PhBEH2 also interacted with proteins implicated in other signalling pathways. This suggests that PhBEH2 might function as an important hub in the cross-talk between diverse signalling pathways.
| S-EPMC3654430 | biostudies-literature