Stress-induced gene expression modulation
noun phrasePronunciation: /stres ɪnˈdʒuːst dʒiːn ɪkˈspreʃən ˌmɒdʒuˈleɪʃən/
The rapid and sustained changes in plant gene transcription and translation patterns triggered by abiotic stress signals including cold, heat, drought, and salinity. This process involves stress-responsive promoters and transcription factors that alter protein synthesis to enhance stress tolerance.
Plain English
The switching on or off of specific genes that help plants respond to and survive environmental stress conditions.
Etymology & History
Usage
"Stress-induced gene expression modulation increases production of heat shock proteins and osmolytes during temperature extremes."
Style guide notes: Specify timeframe and target genes; avoid vague references to 'stress response genes' without detail.
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Frequently Asked Questions
What triggers stress-induced gene expression modulation?
Environmental stress signals activate transcription factors and signaling pathways that bind stress-responsive promoters to activate protective genes.
How quickly does stress-induced gene expression modulation occur?
Initial gene expression changes occur within minutes to hours, while full protective protein synthesis may require hours to days of stress.
Why Test Candidates on This?
Critical for advanced studies on plant molecular mechanisms, gene expression profiling, and breeding for stress-tolerant varieties.
Required skill level: Senior