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Target Concepts:
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Query: UMLS:C0003129 (
Anoxia
)
551
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Rice (Oryza sativa L.) seedlings were subjected to hypoxic pretreatment (H-PT; incubated in 5% O2 atmosphere) for various lengths of time followed by an anoxic stress.
Anoxia
tolerance of rice roots was improved with increasing duration of H-PT, but longer H-PT than 12 h gave no additional improvement. Concentrations of ATP and ethanol, and activities of
pyruvate decarboxylase
(
EC 4.1.1.1
) and alcohol dehydrogenase (EC 1.1.1.1) in the roots were increased by H-PT, and the times and patterns of increasing in these concentrations and activities were similar to those of increasing in the anoxia tolerance. These results suggest that the H-PT may increase anoxia tolerance due to maintenance of ATP levels with rapid induction of ethanolic fermentation, and hypoxic acclimation may occur within 12 h.
...
PMID:Anoxia tolerance in rice roots acclimated by several different periods of hypoxia. 1280 86
