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GUS expression in HSFB2a-Promoter:GUS plants. In roots (a) of 8 day old and nodes (b) of 15 day old seedlings, leaves (d) of 7 weeks old plants, anthers of flowers (e) of stage 13 (Smyth et al. 1990) and embryos (c), seed (f) and the junction of the petiole of ripe siliques (g)
