ArticlePlant physiology2007
Arabidopsis inositol polyphosphate 6-/3-kinase (AtIpk2beta) is involved in axillary shoot branching via auxin signaling.
Article in Plant physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 52 citations in OpenAlex.
- Review
- Phytohormones and Shoot Branching: A Mini-Review of Molecular Regulatory Networks and Mechanisms.Plants (Basel, Switzerland) · 2026Review
- Phospholipid Networks as Metabolic Hubs and Signaling Integrators in Plant Development and Stress Adaptation.Plants (Basel, Switzerland) · 2026Review
- Origin, evolution, and diversification of inositol 1,4,5-trisphosphate 3-kinases in plants and animals.BMC genomics · 2024Article
- ITPK1 Regulates Jasmonate-Controlled Root Development inBiomolecules · 2023Article
- Regulation of plant biotic interactions and abiotic stress responses by inositol polyphosphates.Frontiers in plant science · 2022Review
- Rice EARLY SENESCENCE 2, encoding an inositol polyphosphate kinase, is involved in leaf senescence.BMC plant biology · 2020Article
- Phytic Acid and Transporters: What Can We Learn fromPlants (Basel, Switzerland) · 2020Review
- Identity and functions of inorganic and inositol polyphosphates in plants.The New phytologist · 2020Review
- BRANCHED1: A Key Hub of Shoot Branching.Frontiers in plant science · 2019Review
- Molecular characterization, modeling, and docking analysis of late phytic acid biosynthesis pathway gene,3 Biotech · 2018Article
- Phytase overexpression in Arabidopsis improves plant growth under osmotic stress and in combination with phosphate deficiency.Scientific reports · 2018Article
- Arabidopsis inositol polyphosphate multikinase delays flowering time through mediating transcriptional activation of FLOWERING LOCUS C.Journal of experimental botany · 2017Article
- Large-scale cross-species chemogenomic platform proposes a new drug discovery strategy of veterinary drug from herbal medicines.PloS one · 2017Article
- Tetracycline uptake and metabolism by vetiver grass (Chrysopogon zizanioides L. Nash).Environmental science and pollution research international · 2016Article
- Seed Biofortification and Phytic Acid Reduction: A Conflict of Interest for the Plant?Plants (Basel, Switzerland) · 2015Review
- The barley UNICULM2 gene resides in a centromeric region and may be associated with signaling and stress responses.Functional & integrative genomics · 2013Article
- Arabidopsis phosphatidylinositol monophosphate 5-kinase 2 is involved in root gravitropism through regulation of polar auxin transport by affecting the cycling of PIN proteins.Cell research · 2012Article
- Identification of genes necessary for wild-type levels of seed phytic acid in Arabidopsis thaliana using a reverse genetics approach.Molecular genetics and genomics : MGG · 2011Article
- Comparative transcriptional profiling and preliminary study on heterosis mechanism of super-hybrid rice.Molecular plant · 2010Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Arabidopsis (Arabidopsis thaliana) inositol polyphosphate 6-/3-kinase gene (AtIpk2beta) is known to participate in inositol phosphate metabolism. However, little is known about its physiological functions in higher plants. Here, we report that AtIpk2beta regulates Arabidopsis axillary shoot branching. By overexpressing AtIpk2beta in the wild type and mutants, we found that overexpression of AtIpk2beta leads to more axillary shoot branches. Further analysis of AtIpk2beta overexpression lines showed that axillary meristem forms earlier and the bud outgrowth rate is also accelerated, resulting in more axillary shoot branches. The AtIpk2beta promoter/beta-glucuronidase (GUS) fusion (AtIpk2betaGUS) expression pattern is similar to that of the auxin reporter DR5GUS. Moreover, AtIpk2beta can be induced in response to exogenous indole-3-acetic acid (IAA) treatments. In addition, AtIpk2beta overexpression plants exhibit IAA-related phenotypes and are more resistant to exogenous IAA treatments. Further analysis employing reverse transcription-polymerase chain reaction shows that some genes, including auxin-biosynthesis (CYP83B1), auxin-transport (PIN4), and auxin-mediated branching genes (MAX4 and SPS), are regulated by AtIpk2beta. Taken together, our data provide insights into a role for AtIpk2beta in axillary shoot branching through the auxin signaling pathway.
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