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GIS2

Candidate: concept label1 source documents7 linked claims
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GIS2 is described as a C2H2 zinc finger protein that regulates trichome patterning in Arabidopsis thaliana and integrates hormone signaling.

Source 1DOIPubMed

Evidence Snippets

This study investigates the roles of two C2H2 zinc finger proteins, GIS2 and ZFP8, in regulating trichome patterning in Arabidopsis thaliana.
Evidence 1Source 1DOIPubMedprovenance

Supporting Sources

Linked Claims

Claim 1binding evidencesupports2025Source 1DOIPubMed

Chromatin immunoprecipitation and DEX-CHX experiments confirmed GIS2 binding to SQE5 and SEN1 promoters at conserved C2H2 motifs.

Quoted textsource-backed
Chromatin immunoprecipitation and DEX-CHX experiment confirmed GIS2 binding to SQE5 and SEN1 promoters at conserved C2H2 motifs.
Claim 2candidate target identificationsupports2025Source 1DOIPubMed

Using dexamethasone-inducible overexpression lines, transcriptomic profiling, and chromatin immunoprecipitation, the study identified 142 GIS2-associated and 138 ZFP8-associated candidate genes.

Quoted textsource-backed
Using dexamethasone-inducible overexpression lines, transcriptomic profiling, and chromatin immunoprecipitation, we identified 142 GIS2- and 138 ZFP8-associated candidate genes involved in sterol metabolism, senescence, and stress responses.
Claim 3direct regulationsupports2025Source 1DOIPubMed

GIS2 positively and directly regulates SQE5 expression.

Quoted textsource-backed
GIS2 positively and directly regulated the expression of SQE5, linked to sterol biosynthesis and drought tolerance
Claim 4direct regulationsupports2025Source 1DOIPubMed

GIS2 represses SEN1 expression.

Quoted textsource-backed
and repressed SEN1, a senescence marker associated with abscisic acid and phosphate signaling
Claim 5hormone pathway integrationsupports2025Source 1DOIPubMed

GIS2 functions in inflorescence trichomes via integrating gibberellin-cytokinin pathways, whereas ZFP8 influences leaf trichomes through cytokinin and abscisic acid signaling.

Quoted textsource-backed
Spatially, GIS2 functions in inflorescence trichomes via integrating gibberellin-cytokinin pathways, while ZFP8 influences leaf trichomes through cytokinin and abscisic acid signal.
Claim 6hormone responsesupports2025Source 1DOIPubMed

Gibberellin treatment stabilizes GIS2 protein and induces SQE5 expression, while SEN1 repression is gibberellin-independent.

Quoted textsource-backed
Gibberellin treatment stabilized GIS2 protein and induced SQE5 expression, whereas SEN1 repression was gibberellin-independent.
Claim 7regulates biological processsupports2025Source 1DOIPubMed

GIS2 and ZFP8 regulate trichome patterning in Arabidopsis thaliana via hormone signaling.

Quoted textsource-backed
This study investigates the roles of two C2H2 zinc finger proteins, GIS2 and ZFP8, in regulating trichome patterning in Arabidopsis thaliana.