Anaerobic Metabolism
nounPronunciation: /ˌænˌeɪˈroʊbɪk mɛˈtæbəˌlɪzəm/
The biochemical processes by which organisms generate energy in the absence of oxygen, primarily through glycolysis, fermentation, and alternative pathways like the Pasteur effect. These metabolic shifts are critical survival mechanisms during flooding, waterlogging, and hypoxic stress conditions.
Plain English
The chemical pathways cells use to produce energy when oxygen is unavailable, commonly occurring during flooding stress.
Etymology & History
Usage
"Rice plants rely on anaerobic metabolism to survive prolonged waterlogging in paddy fields."
Style guide notes: Use 'anaerobic metabolism' for general reference; specify pathway (glycolysis, fermentation) for precision.
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Related Terms
Frequently Asked Questions
Why do plants shift to anaerobic metabolism?
During flooding or waterlogging, soil oxygen becomes depleted, forcing roots to switch to oxygen-independent pathways.
What are the products of plant anaerobic metabolism?
Ethanol, lactate, and other organic acids accumulate as byproducts of fermentation under hypoxic conditions.
Why Test Candidates on This?
Frequently tested in plant stress physiology and abiotic stress management courses.
Required skill level: Mid