ArticlePlant molecular biology2005
Transcriptional regulation by abscisic acid in barley (Hordeum vulgare L.) seeds involves autoregulation of the transcription factor HvABI5.
Article in Plant molecular biology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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Who cites it
16 citing papers in PubMed, 35 citations in OpenAlex.
- The Barley Glycosyltransferase GenePlants (Basel, Switzerland) · 2025Article
- Mechanisms of Abscisic Acid-Mediated Drought Stress Responses in Plants.International journal of molecular sciences · 2022Review
- BarleyFrontiers in plant science · 2020Article
- Sweetpotato bZIP Transcription FactorFrontiers in plant science · 2019Article
- Expression of the Arabidopsis ABF4 gene in potato increases tuber yield, improves tuber quality and enhances salt and drought tolerance.Plant molecular biology · 2018Article
- Basic leucine zipper family in barley: genome-wide characterization of members and expression analysis.Molecular biotechnology · 2015Article
- Heterologous expression of Arabidopsis ABF4 gene in potato enhances tuberization through ABA-GA crosstalk regulation.Planta · 2014Article
- Functional analysis of TaABF1 during abscisic acid and gibberellin signalling in aleurone cells of cereal grains.Seed science research · 2013Article
- Article
- A tomato bZIP transcription factor, SlAREB, is involved in water deficit and salt stress response.Planta · 2010Article
- An abiotic stress-responsive bZIP transcription factor from wild and cultivated tomatoes regulates stress-related genes.Plant cell reports · 2009Article
- Expression of ABA signalling genes and ABI5 protein levels in imbibed Sorghum bicolor caryopses with contrasting dormancy and at different developmental stages.Annals of botany · 2009Article
- The wheat PKABA1-interacting factor TaABF1 mediates both abscisic acid-suppressed and abscisic acid-induced gene expression in bombarded aleurone cells.Plant molecular biology · 2008Article
- Trans-acting factor designated OSBZ8 interacts with both typical abscisic acid responsive elements as well as abscisic acid responsive element-like sequences in the vegetative tissues of indica rice cultivars.Plant cell reports · 2008Article
- Abscisic acid and stress signals induce Viviparous1 expression in seed and vegetative tissues of maize.Plant physiology · 2007Article
- Computational prediction and experimental verification of HVA1-like abscisic acid responsive promoters in rice (Oryza sativa).Plant molecular biology · 2006Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The barley bZIP transcription factor HvABI5 mediates abscisic acid (ABA)-upregulated gene expression in barley (Hordeum vulgare L.) seeds. HvABI5 specifically recognizes cis-elements of the ABA response complexes present in the promoters of the ABA-induced genes HVA1 and HVA22. HvABI5 together with another transcription factor, HvVP1, are required for the transactivation of these promoters, and this transactivation process is insensitive to the negative regulator abi1-1. The expression of HvABI5 itself appeared to be induced by ABA and can be suppressed by abi1-1. Gain- and loss-of-function studies in barley aleurone cells show that HvABI5 expression is positively regulated by a feed-forward circuit that involves HvABI5 itself and HvVP1. Mutation of the Ser residue in HvABI5, which has been shown to be phosphorylated in an ABA-dependent manner in the rice orthologue of HvABI5, reduces the transactivation activity of the factor by 50%. Although levels of HvABI5 and its transcript are enhanced by ABA treatment, the nuclear localization of HvABI5 is not affected by ABA. A model based on these observations is presented to explain the ABA upregulation of gene expression.
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