ArticlePlant cell reports2006
Isolation of a maize beta-glucosidase gene promoter and characterization of its activity in transgenic tobacco.
Article in Plant cell reports, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 20 citations in OpenAlex.
- Identifying and characterising a plant GH1 β-glucosidase that exhibits hydrolytic activity on N-linked glucopyranoside.FEBS open bio · 2026Article
- Assessment of root-specific promoters in banana and tobacco and identification of a banana TIP2 promoter with strong root activity.Frontiers in plant science · 2022Article
- Genome-scale mining of root-preferential genes from maize and characterization of their promoter activity.BMC plant biology · 2019Article
- Co-ordinate regulation of cytokinin gene family members during flag leaf and reproductive development in wheat.BMC plant biology · 2012Article
- Addressing drought tolerance in maize by transcriptional profiling and mapping.Molecular genetics and genomics : MGG · 2009Article
Corrections and comments
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Authors and funding
11 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The beta-glucosidase gene of maize (ZmGLU1) was suggested to hydrolyze cytokinin-conjugate and release free cytokinin during plant growth and development. A clone containing the upstream region of ZmGLU1 was isolated and sequenced from a maize genomic library. The full-length ZmGLU1 promoter and a series of its 5' deletions were fused to the beta-glucuronidase (GUS) reporter gene and transferred into tobacco. The GUS activity of transgenic plants was assayed at various developmental stages. The results showed that ZmGLU1 promoter-driven GUS gene had the highest expression level in the roots and that the expression of GUS gene declined during seed maturation and down to the lowest level in mature seeds. The ZmGLU1 promoter-driven GUS expression increased during seed germination, reaching a peak on day 11. The results also showed that this promoter could be inhibited by 6-BA, trans-zeatin, and NAA, but was not affected by GA(3), ABA, SA, cold, salt, drought, and submergence treatments. The histochemical staining revealed that GUS activity was located in vigorous cell division zones with dominant staining associated with vascular tissues. Deletion analysis showed that the promoter contained a putative leaf-specific and stem-specific negative regulative element and two putative enhancers.
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