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Rearrangement of enzyme patterns in maize callus and suspension cultures: Is it relevant to the changes in the growing cells of the intact plant? by Inessa V. Zeleneva; Emil E. Khavkin is a Agricultural and Biological Sciences article available to read on EtoBox.

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The development of enzyme patterns was followed in the course of: (a) the irreversible cell differentiation via division and expansion to maturity in the root tip and coleoptile of the intact seedlings, (b) the irreversible cell dedifferentation associated with induction and establishment of callus from the growing internodes, and (c) the growth cycle (proliferation⇋stationary phase) in callus and cell-suspension cultures of maize (Zea mays L.). By measuring the activities of glycolytic, mitochondrial, microbody and hydrolytic enzymes cells proliferating in vivo and in vitro could be compared and changes related to cessation or resumption of cell division could be studied.Proliferating cells of callus and suspension cultures maintained by serial culture did not differ from those of the root meristem and coleoptile in the specific activities of hexokinase, phosphoglycerate kinase and phosphopyruvate hydratase. Proliferation in vitro resulted in an enormous increase in the ratio g glutamate-dehydrogenase/cytochrome-oxidase activity and in the level of acid-phosphatase activity, with concomitant drop in galactosidase and xylosidase activity. A 3-5-fold increase of alcohol-dehydrogenas

Who reads Rearrangement of enzyme patterns in maize callus and suspension cultures: Is it relevant to the changes in the growing cells of the intact plant??

Author

Inessa V. Zeleneva; Emil E. Khavkin

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 0032-0935)

Published

1980

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)