ArticlePlant molecular biology2000
A xenobiotic-stress-activated transcription factor and its cognate target genes are preferentially expressed in root tip meristems.
Article in Plant molecular biology, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 58 citations in OpenAlex.
- The DoGST18-DoHSP70 module modulates the cadmium tolerance of Dendrobium officinale.BMC genomics · 2026Article
- De novo assembly ofPeerJ · 2021Article
- Effects of Abscisic Acid and Salicylic Acid on Gene Expression in the Antiviral RNA Silencing Pathway in Arabidopsis.International journal of molecular sciences · 2019Article
- Genome-wide analysis of heat shock proteins in C4 model, foxtail millet identifies potential candidates for crop improvement under abiotic stress.Scientific reports · 2016Article
- Global nucleosome positioning regulates salicylic acid mediated transcription in Arabidopsis thaliana.BMC plant biology · 2015Article
- The CarERF genes in chickpea (Cicer arietinum L.) and the identification of CarERF116 as abiotic stress responsive transcription factor.Functional & integrative genomics · 2015Article
- Auxin as a player in the biocontrol of Fusarium head blight disease of barley and its potential as a disease control agent.BMC plant biology · 2012Article
- Xenobiotic- and jasmonic acid-inducible signal transduction pathways have become interdependent at the Arabidopsis CYP81D11 promoter.Plant physiology · 2012Article
- Isolation and characterization of a rice glutathione S-transferase gene promoter regulated by herbicides and hormones.Plant cell reports · 2011Article
- The Arabidopsis GRAS protein SCL14 interacts with class II TGA transcription factors and is essential for the activation of stress-inducible promoters.The Plant cell · 2008Article
- Identification of a root-specific glycosyltransferase from Arabidopsis and characterization of its promoter.Journal of biosciences · 2008Article
- Functional characterization of tobacco transcription factor TGA2.1.Plant molecular biology · 2004Article
- Reaction of spruce cells toward heavy metals and the influence of culture conditions.Environmental science and pollution research international · 2004Article
- Pathogen-responsive expression of a putative ATP-binding cassette transporter gene conferring resistance to the diterpenoid sclareol is regulated by multiple defense signaling pathways in Arabidopsis.Plant physiology · 2003Article
- Salicylic acid and NPR1 induce the recruitment of trans-activating TGA factors to a defense gene promoter in Arabidopsis.The Plant cell · 2003Article
- Tobacco bZIP factor TGA10 is a novel member of the TGA family of transcription factors.Plant molecular biology · 2003Article
- Rapid induction of regulatory and transporter genes in response to phosphorus, potassium, and iron deficiencies in tomato roots. Evidence for cross talk and root/rhizosphere-mediated signals.Plant physiology · 2002Article
- Analysis of the spacing between the two palindromes of activation sequence-1 with respect to binding to different TGA factors and transcriptional activation potential.Nucleic acids research · 2002Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In plants, as-1-type cis elements and their trans-acting factors confer tissue-specific and signal-responsive activities to the promoters of several glutathione S-transferase (GST) genes. Regulation of as-1 is widely thought to involve trans-acting factors that belong to a family of basic/leucine-zipper 'TGA factors' that selectively bind this element. We have previously shown that TGA 1a, a highly conserved TGA factor of tobacco, enhances transcription through as-1 in response to xenobiotic-stress cues. To better understand the functional contribution of this transcription factor to the expression of as-1-regulated genes, we have studied its tissue- and cell-specific localization in tobacco seedlings. We show here that the relative amount of TGA1a transcripts expressed in roots and shoots correlate with the as-1-regulated, basal-level expression of a GUS transgene and two putative target GST genes. In situ hybridization of intact seedlings demonstrated that TGA1a and these GST genes are preferentially expressed in root tip meristems. Similar findings were made with a gene-specific probe for PG13, a homologue of TGA1a, demonstrating that both factors are likely to be present in the same root meristem cells. Furthermore, TGA1a protein was immunologically detected exclusively in the primary root and its meristem. Collectively, these studies suggest that TGA1a, and perhaps PG13, may contribute to the expression of GST isoenzymes, especially in root tip meristems. The biological significance of these observations is discussed.
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