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![Effects of the rate of drying on the physiology and biochemistry]( "Effects of the rate of drying on the physiology and biochemistry")
Effects of the rate of drying on the physiology and biochemistry
of excised embryonic axes from desiccation-sensitive seeds
The results presented here are consistent with the observation that drying and wet storage adversely affected the respiratory enzymes, PFK, MDH and NADH dehydrogenase.
It is suggested that the resultant metabolic imbalance led to more leakage of electrons from the mitochondrial electron transport chain than normal, and through lipid peroxidation increased levels of hydroperoxides.
In addition, dehydration and hydrated storage may depress the activities of free radical processing enzymes, SOD, CAT and GR and levels of antioxidant, AsA.
This phenomenon was less pronounced during rapid, in comparison to slow, desiccation and moist storage.
However, it appears that the above biochemical events are overtaken by physical damage at higher water contents in the highly recalcitrant seeds.
It was concluded that the differential effects of the drying rate and wet storage on responses of desiccation-sensitive seeds varies with tissue, harvest, species and the degree of desiccation sensitivity.
à propos du livre Effects of the rate of drying on the physiology and biochemistry
- Langue : Anglais
- Auteur : Tobias Ntuli
- Éditeur : LAP LAMBERT Academic Publishing
- Année : 2012
- Pages : 216
- Pays
:
Afrique du Sud
à propos de Tobias Ntuli
I hold a doctorate in Cell Biology from the University of KwaZulu-Natal in Durban.
I have also conducted postdoctoral research in molecular biology, immunology, pharmacology and structural biology.
I have co-authored three original research and one research review articles.
I have also authored a chapter in a book and co-edited a book.
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