The Changes of Amino-Acid Metabolism between Wheat and Rice during Early Growth under Flooding Stress
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View abstract on PubMed
Summary
This summary is machine-generated.Flooding significantly hinders wheat growth by altering amino acid metabolism and increasing alcohol fermentation. Rice, however, shows resilience to flood stress due to distinct cellular mechanisms.
Area Of Science
- Plant physiology
- Biochemistry
- Stress biology
Background
- Flooding causes hypoxic stress, inhibiting crop growth.
- Rice, a semi-aquatic plant, tolerates submersion better than wheat.
- Understanding cellular differences under flood stress is crucial for crop improvement.
Purpose Of The Study
- To investigate dynamic cellular mechanism differences between rice and wheat under flooding.
- To identify key metabolic pathways affected by flood stress in each species.
Main Methods
- Morphological and biochemical analyses were conducted.
- Amino acid profiling was performed.
- Enzyme activities and metabolite levels were quantified.
Main Results
- Wheat growth was suppressed by flooding, while rice was less affected.
- Flood stress increased gamma-aminobutyric acid (GABA) and glutamate in wheat.
- Metabolic shifts included upregulated alcohol dehydrogenase in wheat and pyruvate carboxylase in rice.
Conclusions
- Flooding inhibits wheat growth via enhanced amino acid metabolism and alcohol fermentation.
- Rice exhibits greater tolerance due to distinct metabolic adaptations.
- Increased GABA content correlates with inhibited plant growth under flooding.
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