ArticlePlant molecular biology2004
Interaction of PvALF and VP1 B3 domains with the beta -phaseolin promoter.
Article in Plant molecular biology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 20 citations in OpenAlex.
- Article
- Genomic Analysis of Storage Protein Deficiency in Genetically Related Lines of Common Bean (Phaseolus vulgaris).Frontiers in plant science · 2016Article
- Characterization and functional analysis of a B3 domain factor from Zea mays.Journal of applied genetics · 2015Article
- Gene networks and chromatin and transcriptional regulation of the phaseolin promoter in Arabidopsis.The Plant cell · 2013Article
- A novel abi5 allele reveals the importance of the conserved Ala in the C3 domain for regulation of downstream genes and salt tolerance during germination in Arabidopsis.Plant signaling & behavior · 2013Article
- ABA-mediated inhibition of seed germination is associated with ribosomal DNA chromatin condensation, decreased transcription, and ribosomal RNA gene hypoacetylation.Plant molecular biology · 2012Article
- A T9G mutation in the prototype TATA-box TCACTATATATAG determines nucleosome formation and synergy with upstream activator sequences in plant promoters.Plant physiology · 2009Article
- Evolution of the B3 DNA binding superfamily: new insights into REM family gene diversification.PloS one · 2009Article
- PvALF and FUS3 activate expression from the phaseolin promoter by different mechanisms.Plant molecular biology · 2008Article
- Repression of the LEAFY COTYLEDON 1/B3 regulatory network in plant embryo development by VP1/ABSCISIC ACID INSENSITIVE 3-LIKE B3 genes.Plant physiology · 2007Article
- Ordered histone modifications are associated with transcriptional poising and activation of the phaseolin promoter.The Plant cell · 2006Article
- Dual DNA binding property of ABA insensitive 3 like factors targeted to promoters responsive to ABA and auxin.Plant molecular biology · 2005Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The phas promoter is potently transcribed during embryogenesis but in vegetative tissues it is completely silenced by a rotationally positioned nucleosome. Ectopic expression in leaves of PvALF, a seed-specific transcription factor belonging to the plant-exclusive B3 domain-containing VP1/ABI3 family, leads to chromatin remodeling of the phas promoter, permitting transcriptional activation by the growth regulator abscisic acid (ABA). Specific interaction with RY elements present in 40-42 bp oligonucleotide probes has been shown in vitro for Arabidopsis ABI3 and the isolated B3 domain of maize VP1. Here, both in vivo and in vitro approaches were used to show physical interaction of the B3 domain of VP1 or PvALF to RY elements in the native phas promoter. In electrophoretic mobility shift assays, small changes in B3 domain concentration differentiated between RY element-specific and sequence non-specific DNA binding. Increased affinity of the PvALF B3 domain to RY elements was observed in the presence of histones and other basic proteins, possibly reflecting the ability of this B3 factor to interact with the phas promoter in its nucleosomal configuration.
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