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Looking for isoforms of enzymes related to in vitro morphogenesis in Nicotiana tabacum L.

Author Affiliations

  • 1Division of Plant Biology, Bose Institute, 93/1 APC Road, Kolkata – 700009, INDIA

Int. Res. J. Biological Sci., Volume 3, Issue (1), Pages 11-16, January,10 (2014)

Abstract

Peroxidase (PRX, E.C.1.11.1.7), Esterase (EST, E.C.3.1.1.1), Acid Phosphatase (ACP, E.C.3.1.3.2), -Amylase (E.C.3.2.1.1) and Malate Dehydrogenase (MDH, EC 1.1.1.37) enzymes were studied through native activity gel electrophoresis in three in vitro developmental stages (non regenerating callus, regenerating callus and leaves of regenerated plantlets) of tobacco (Nicotiana tabacum L.) to look for up- or down regulation of specific isoforms by densitometry scanning to correlate with changing developmental stage. Certain isoforms of Peroxidase, Esterase and Acid Phosphatase, were found to be either up- or down regulated in the course of dedifferentiation, while two other enzymes, viz. -Amylase and Malate Dehydrogenase showed little alteration in activity in the three developmental stages under study.

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