Metabolic reprogramming
nounPronunciation: /ˌmetəˈbɒlɪk ˌriːˈprəʊɡræmɪŋ/
The dynamic restructuring of biochemical pathways and gene expression patterns in plants in response to abiotic stress, redirecting energy and resources toward stress tolerance mechanisms. This involves suppression of growth-related processes and upregulation of protective and survival pathways.
Plain English
The rapid reorganization of plant cell chemistry and gene activity to cope with environmental stress.
Etymology & History
Usage
"Metabolic reprogramming during cold stress redirects carbon allocation from growth to accumulation of cryoprotectant molecules."
Style guide notes: Use when discussing integrated stress responses involving multiple metabolic pathways and regulatory networks.
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Frequently Asked Questions
How quickly does metabolic reprogramming occur in stressed plants?
Initial responses occur within minutes to hours; sustained reprogramming continues over days to weeks depending on stress severity.
What genes are upregulated during metabolic reprogramming?
Genes encoding protective proteins, antioxidants, osmolytes, and stress signaling molecules are typically upregulated.
Why Test Candidates on This?
Understanding metabolic reprogramming is essential for identifying novel stress-tolerance genes and engineering stress-resilient crops.
Required skill level: Senior