ArticlePlant molecular biology1999
VsENBP1 regulates the expression of the early nodulin PsENOD12B.
Article in Plant molecular biology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed, 17 citations in OpenAlex.
- Synthetic Biology of Plants and Microbes for Agriculture, Environment, and Future Applications.Chemical reviews · 2026Review
- Legume transcription factor genes: what makes legumes so special?Plant physiology · 2009Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A DNA-binding protein, VsENBP1, previously isolated from Vicia sativa was shown to bind in a sequence-specific manner to the early nodulin ENOD12 gene promoter from Pisum sativum. Here, the functional importance of the VsENBP1 binding sites on the PsENOD12B promoter has been studied in vivo. A promoter-gusA fusion in which a mutation was introduced at the putative target sequence, AATAA, was inactive in nodules of transgenic Vicia hirsuta roots. Gel retardation assays showed that VsENBP1 does not bind to the mutated promoter segment, suggesting that VsENBP1 activates the PsENOD12B expression in nodules through its interaction with its target sequence. In the presence of the 35S enhancer, an ENOD12 promoter-GUS construct gave expression in root vascular tissue in addition to the root nodules. Overexpression of Vsenbp1 in transgenic V. hirsuta roots reduced the leaky expression in root vascular tissue in contrast to nodules in which a small increase in GUS expression was observed. The results indicate that VsENBP1 acts as a repressor of ENOD12 expression in root tissue.
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