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The ATHB2 microProtein affects plant development and the shade avoidance response (PEAT)

ABSTRACT: The ATHB2 microProtein affects plant development and the shade avoidance response (PEAT)

PROVIDER: PRJNA1010837 | ENA |

REPOSITORIES: ENA

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The ATHB2 microProtein affects plant development and the shade avoidance response (PEAT)

Project description:Plants display remarkable adaptability to varying light conditions, crucial for their optimal growth and development. Here, we investigate the functional significance of ATHB2-miP, a microProtein arising from an alternative transcript of the ATHB2 gene, in both white light and shade environments, supported by comprehensive phenotyping experiments. ATHB2, a homeodomain-leucine zipper transcription factor, is known for its involvement in growth regulation. By employing genetic, transcriptomic analyses, and phenotyping experiments, we dissect the regulatory role of ATHB2-miP. Transcriptomics unravel genes differentially induced and repressed upon ATHB2-miP expression, elucidating its impact on growth-related pathways. Notably, ATHB2-miP's expression responds to shade conditions, suggesting its role in light-mediated responses. Our research underscores ATHB2-miP's multifaceted contribution to plant growth and development, emphasizing its potential as a pivotal player in light-responsive gene regulation.

2024-05-14 | GSE241975 | GEO

The ATHB2 microProtein affects plant development and the shade avoidance response

Project description:The ATHB2 microProtein affects plant development and the shade avoidance response

| PRJNA1010832 | ENA

The ATHB2 microProtein affects plant development and the shade avoidance response (RNA-Seq)

Project description:The ATHB2 microProtein affects plant development and the shade avoidance response (RNA-Seq)

| PRJNA1010838 | ENA

The ATHB2 microProtein affects plant development and the shade avoidance response [Iso-seq]

Project description:The ATHB2 microProtein affects plant development and the shade avoidance response [Iso-seq]

| PRJNA1113987 | ENA

The ATHB2 microProtein affects plant development and the shade avoidance response [Iso-seq]

2024-05-22 | GSE267983 | GEO

The ATHB2 microProtein affects plant development and the shade avoidance response (RNA-Seq)

2024-05-14 | GSE241974 | GEO

phytochrome A-mediated shade avoidance responses

Project description:Arabidopsis is a shade avioding plant. Under simulated shade light with reduced red-to-far red (R:FR) ratio around 0.7, hypocotyls of Arabidopsis seedlings elongate, which is one of the typical shade avoidance responses.We discovered that when the R:FR ratio further decreases to around 0.1 (strong shade), the shade-induced elongation of hypocotyl is abolished and phytochrome A (phyA) mediates this response.In this study, we aim to examine the difference between shade and strong shade treatment and uncover the role of phyA in regulating the shade avoidance responses.

2019-12-21 | GSE55899 | GEO

Epigenetic reprogramming orchestrates transcriptional responses in shade avoidance memory of Arabidopsis

Project description:An RNA-seq was conducted to investigate how REF6 and PIF7 participate in shade avoidance memory.

2024-07-29 | GSE226745 | GEO

Effect of bZIP59 on transcriptional regulation during shade avoidance responses in Arabidopsis

Project description:Shade can trigger the shade avoidance syndrome (SAS) in shade-intolerant species,which cause exaggerated growth and affect crop yield.We report that Arabidopsis transcription factors bZIP59 negatively regulate SAS. To investigate the function of bZIP59 during SAS, we performed RNA-Seq of wild type Col-0 and a T-DNA insertion line bzip59 (SALK_024459) in while light and shade.

2024-08-18 | GSE227154 | GEO

PHYTOCHROME-INTERACTING FACTOR 7 and RELATIVE OF EARLY FLOWERING 6 act in shade avoidance memory in Arabidopsis

Project description:Shade avoidance helps plants maximize their access to light for growth under crowding. It is unknown, however, whether a priming shade avoidance mechanism exists that allows plants to respond more effectively to successive shade conditions. Here, we show that the shade-intolerant plant Arabidopsis can remember a first experienced shade event and respond more efficiently to the next event on hypocotyl elongation. The transcriptional regulator PHYTOCHROME-INTERACTING FACTOR 7 (PIF7) and the histone H3K27-demethylase RELATIVE OF EARLY FLOWERING 6 (REF6) were identified as being required for this shade avoidance memory. RNA-sequencing analysis revealed that shade induction of shade memory-related genes was impaired in the pif7 and ref6 mutants. Based on the enrichments of H3K27me3, REF6 and PIF7, we found that priming shade treatment induced PIF7 accumulation, which further recruited REF6 to demethylate H3K27me3 on the chromatin of certain memory-related genes, leading to a state poised for their transcription. Upon the second shade treatment, enhanced shade-mediated induction of these genes resulted in stronger hypocotyl growth responses. We conclude that the transcriptional memory mediated by epigenetic modification plays a key role in the ability of primed plants to remember previously experienced shade and acquire enhanced responses to recurring shade conditions.

2024-07-29 | GSE268785 | GEO

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