Article
Selective activation of the developmentally regulated Ha hsp17.6 G1 promoter by heat stress transcription factors.
Plant physiology - 1 Jul 2002
Rojas Anabel, Almoguera Concepción, Carranco Raúl, Scharf Klaus-Dieter, Jordano Juan
Abstract excerpt
Using two well-characterized heat stress transcription factors (Hsfs) from tomato (Lycopersicon peruvianum; LpHsfA1 and LpHsfA2), we analyzed the transcriptional activation of the Ha hsp17.6 G1 promoter in sunflower (Helianthus annuus) embryos. In this system, we observed transient promoter activation only with LpHsfA2. In contrast, both factors were able to activate mutant versions of the promoter with improved...
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