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Hypoxia/anoxia as signaling for increased alcohol dehydrogenase activity in saffron (Crocus sativus L.) corm
Ezzatollah Keyhani1, Jacqueline Keyhani
1Laboratory for Life Sciences, Saadat Abade, Sarve Sharghi 34, 19979 Tehran, Iran. keyhanius2002@yahoo.com
Abstract:
Alcohol dehydrogenase, NAD-dependent lactate dehydrogenase, and NAD-independent lactate dehydrogenase activities were investigated in corms cultivated in normoxic and hypoxic/anoxic conditions. Depending on the developmental stage, hypoxia/anoxia was a signal for increase in either alcohol dehydrogenase or NAD-dependent lactate dehydrogenase. NAD-independent lactate dehydrogenase contributed to the recycling of lactate, thus preventing acidosis.
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