Study of Antioxidant Enzymes Activity during Organogenesis and In Vitro Propagation of Asiatic Hybrid Lily
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Abstract
A protocol for indirect differentiation of shoots / roots from leaf callus of Asiatic hybrid lily was developed through in vitro methods. The involvement of antioxidant enzymes, like, SOD, POX and CAT, and their isoenzymes during organogenesis in the morphogenetic callus was stud ied.The activity of these enzymes was increased during early development and differentiation of callus. SOD activity increased significantly as compared to POX and CAT during root formation, while it decreased in shoot formation and the decrease was significant in POX and CAT enzymes. The results indicate that the organogenesis is a very complicated biological process involving up and down regulation of a number of antioxidant enzymes, which seem to play an important role during organogenesis of Lilium callus.
Key words
antioxidant enzymes Asiatic hybrid lily isoenzymes POX SOD CATAbbreviations
- CAT
catalase
- EDTA
ethylene diaminetetra acetic acid
- NAA
α-naphthaleneacetic acid
- POX
peroxidase
- PVP
polyvinylpolypyrrolidone
- PMSF
phenazine methosulfate
- SOD
superoxide dismutase
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