ArticlePlant cell reports2008
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.
Article in Plant cell reports, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 63 citations in OpenAlex.
- Regulatory dynamics of molecular determinants in divergent rice varieties under the influence of nano-structured Zinc: an integrative study of OsbZIP genes and their targeting miRNAs.BMC plant biology · 2026Article
- Genome-wide characterization and expression analysis of the MYB transcription factor family in mung bean (Vigna radiata).BMC plant biology · 2026Article
- Genomics and transcriptomics to protect rice (Frontiers in plant science · 2022Review
- Validation of a high-confidence regulatory network for gene-to-NUE phenotype in field-grown rice.Frontiers in plant science · 2022Article
- PlWRKY13: A Transcription Factor Involved in Abiotic and Biotic Stress Responses inInternational journal of molecular sciences · 2019Article
- Evolutionary relationships and expression analysis of EUL domain proteins in rice (Oryza sativa).Rice (New York, N.Y.) · 2017Article
- RNA-seq for comparative transcript profiling of kenaf under salinity stress.Journal of plant research · 2017Article
- Abscisic-acid-dependent basic leucine zipper (bZIP) transcription factors in plant abiotic stress.Protoplasma · 2017Review
- WRKY proteins: signaling and regulation of expression during abiotic stress responses.TheScientificWorldJournal · 2015Review
- Expression profiling of abiotic stress-inducible genes in response to multiple stresses in rice (Oryza sativa L.) varieties with contrasting level of stress tolerance.BioMed research international · 2014Article
- Deciphering the role of various cis-acting regulatory elements in controlling SamDC gene expression in rice.Plant signaling & behavior · 2014Article
- Mechanism of salinity tolerance in plants: physiological, biochemical, and molecular characterization.International journal of genomics · 2014Review
- Article
- Characterization of gene expression associated with drought avoidance and tolerance traits in a perennial grass species.PloS one · 2014Article
- OsRMC, a negative regulator of salt stress response in rice, is regulated by two AP2/ERF transcription factors.Plant molecular biology · 2013Article
- Cross-talk between abscisic acid-dependent and abscisic acid-independent pathways during abiotic stress.Plant cell reports · 2013Review
- Inducibility of three salinity/abscisic acid-regulated promoters in transgenic rice with gusA reporter gene.Plant cell reports · 2011Article
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3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Specific cis-acting elements, identified in the stress-regulated promoters, can respond to the changes in the levels of abscisic acid. Most of our previous works were done with ACGT-containing typical abscisic acid responsive elements (ABREs) but not with non-ACGT, GC-rich sequences also present in such promoters. The current communication shows a comparative analysis performed on the binding of rice nuclear proteins, together with the purified transcription factor OSBZ8, to the cis-elements in the promoters of Rab16A (Motif I/Motif II), Osem (Motif A-1/Motif B) and Em (4X ABRE/2X ABRC). Our data show that the extent of binding of nuclear protein from salt-tolerant rice to both typical ABREs and non-ACGT, ABRE-like sequences such as Motif IIa, is much higher than that from salt-sensitive rice and occurs constitutively, i.e., even with the protein from unstressed plants. The complex formation is low and inducible only by salt in the salt-sensitive variety. While Motif I bind to a single 38 kDa protein, Motif IIa bind to two polypeptides of 38 and 29 kDa. We also show here that the activation and binding of OSBZ8 to the upstream regions of salt-inducible genes depends on its phosphorylated state. The novelty of our work is that it shows rice OSBZ8 as the prime factor interacting with both typical ABRE(s) and ABRE-like sequences. To our knowledge, this is also the first report for the detection and identification of Motif IIa (non-ACGT, coupling element-like)-binding factor(s) from rice and their expression pattern in different rice cultivars.
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