ArticleMolecular genetics and genomics : MGG2007
Genome-wide expression profiling of ARABIDOPSIS RESPONSE REGULATOR 7(ARR7) overexpression in cytokinin response.
Article in Molecular genetics and genomics : MGG, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers, 2 of them syntheses that pooled it.
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Who cites it
58 citing papers in PubMed, 2 syntheses or guidelines pooled it, 127 citations in OpenAlex.
- Role of cytokinins in seed development in pulses and oilseed crops: Current status and future perspective.Frontiers in genetics · 2022Pooled it
- Identification of cytokinin-responsive genes using microarray meta-analysis and RNA-Seq in Arabidopsis.Plant physiology · 2013Pooled it
- Cytokinin response factor 1 acts as a negative regulator of cytokinin-mediated developmental pathways in Arabidopsis.Planta · 2026Article
- Genome-wide identification and analysis of SmRR gene family in eggplant (Solanum melongena L.) and their response to abiotic stress and auxin.BMC genomics · 2025Article
- Beware of Sealing Film of Petri Dishes!-Alters the Expression of a Large Number of Genes.International journal of molecular sciences · 2025Article
- HIGH PLOIDY2-mediated SUMOylation of transcription factor ARR1 controls two-component signaling in Arabidopsis.The Plant cell · 2024Article
- Cytokinin: From autoclaved DNA to two-component signaling.The Plant cell · 2024Review
- Hormone-regulated expansins: Expression, localization, and cell wall biomechanics in Arabidopsis root growth.Plant physiology · 2023Article
- Cloning and Functional Analysis of thePlants (Basel, Switzerland) · 2023Article
- Annotation of thePlants (Basel, Switzerland) · 2023Article
- Article
- Non-cell autonomous and spatiotemporal signalling from a tissue organizer orchestrates root vascular development.Nature plants · 2021Article
- Cytokinin-Controlled Gradient Distribution of Auxin inInternational journal of molecular sciences · 2021Review
- Cytokinin Type-B Response Regulators Promote Bulbil Initiation inInternational journal of molecular sciences · 2021Article
- Phytohormone and integrated mRNA and miRNA transcriptome analyses and differentiation of male between hermaphroditic floral buds of andromonoecious Diospyros kaki Thunb.BMC genomics · 2021Article
- Sucrose interferes with endogenous cytokinin homeostasis and expression of organogenesis-related genes during de novo shoot organogenesis in kohlrabi.Scientific reports · 2021Article
- Ethylene-Cytokinin Interaction Determines Early Defense Response of Wheat againstBiomolecules · 2021Article
- Cytokinin Regulation of Source-Sink Relationships in Plant-Pathogen Interactions.Frontiers in plant science · 2021Review
- Mutagenomics: A Rapid, High-Throughput Method to Identify Causative Mutations from a Genetic Screen.Plant physiology · 2020Article
- Characterization of the cytokinin sensor TCSv2 in arabidopsis and tomato.Plant methods · 2020Article
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The type-A ARRs of cytokinin two-component signaling system act as negative regulators for cytokinin signaling except for ARR4, but the molecular mechanism by which the A-type ARRs regulate cytokinin signaling remain elusive. To get insights into the molecular function of A-type ARR in cytokinin response, we sought to find the components that function downstream of A-type ARR protein by investigating the effects of ARR7 overexpression on cytokinin-regulated gene expression with the Affymetrix full genome array. To examine early cytokinin response, plants were treated with cytokinin for 30 min or 2 h, followed by GeneChip analysis. The hierarchical clustering analysis of our GeneChip data showed that ARR7 overexpression had distinctively repressive impacts on various groups of the cytokinin-regulated genes. In particular, the induction of all A-type ARRs except for ARR22, and AHK(ARABIDOPSIS HISTIDINE KINASE)1 and AHK4 was suppressed by ARR7. Cytokinin-induced expression of most of 12 expansin genes were repressed by ARR7, indicating potential involvement of ARR7 in cell expansion and plant development. Up-regulation of five cytokinin oxidase genes by cytokinins was negatively affected by ARR7. Our GeneChip analysis suggest that ARR7 mainly acts as a transcriptional repressor for a variety of early cytokinin-regulated genes encoding transcription factors, signal transmitters, plant development, and cellular metabolism, which may be responsible for reduced sensitivity of Arabidopsis transgenic plants overexpressing ARR7 to exogenous cytokinins.
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