The boundaries of the acron and telson are defined by the product of the torso gene, which is activated at the

tips of the embryo.

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#Unit 6. System Physiology – Plant

Dehydrating conditions, however, the growth of the roots is much higher in the wild type than in the ABA deficient mutant

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#Id: 10262

#Unit 6. System Physiology – Plant

Dehydration triggers de novo production of ABA, which in turn induces expression of stress‐related genes

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#Unit 6. System Physiology – Plant

ABRE PyACGTGGC & coupling element (CE) is a major cis‐acting element in ABA responsive gene expression. 

The basic leucine zipper (bZIP) transcription factors AREB and ABF can bind to the ABRE cisacting element to activate ABA‐dependent gene expression

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#Unit 6. System Physiology – Plant

DREB2A target genes are also induced by dehydration stress

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#Id: 10265

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 10266

#Unit 6. System Physiology – Plant

GA stimulates onset of PCD in aleurone layers of barley (Hordeum vulgare) and wheat (Triticum aestivum), ABA postpones PCD