Stress-induced gene expression
nounPronunciation: /ˈstres ɪnˈdʒuːst dʒiːn ɪkˈspreʃən/
The activation or upregulation of specific genes in response to abiotic stress signals, producing proteins and metabolites that enhance plant survival. This molecular response includes activation of defense genes, signaling cascades, and protective protein synthesis.
Plain English
The switching on of specific genes that help plants survive environmental stress by making protective molecules.
Etymology & History
Usage
"Heat stress triggers rapid stress-induced gene expression of heat shock proteins within minutes of temperature increase."
Style guide notes: Specify the timing, stress condition, and plant tissue examined when reporting gene expression results.
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Frequently Asked Questions
How quickly do plants activate stress-induced gene expression?
Within minutes to hours, depending on stress type and intensity, through rapid signaling pathways.
What types of genes are activated under water stress?
Aquaporins, dehydrins, antioxidant enzymes, and transcription factors that coordinate stress responses.
Why Test Candidates on This?
Essential for molecular biology and plant physiology courses; frequently examined at advanced levels.
Required skill level: Senior