Improvement of plants via plant cell culture

Type :

Presentation

Pages :

6 pages

Format :

.doc

Published date :

11/06/2008

Category :

Science & technology

Sub category :

Biology

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Summary :

Introduction.
Selection of variant cell lines.
Production of variant plants from selected cells.
Production of herbicide-tolerant plants.
Production of chill-tolerant plants from cultured cells.
Production of salt-tolerant plants through in vitro selection.
Conclusion.

Abstract

The techniques of plant cell culture facilitate the rapid production of variant cell lines via selection procedures similar to those employed in microbial systems. These variant cell lines are useful in research into the genetics and biochemistry of plant cells and in biotechnology for production of new plant varieties and secondary metabolites. We consider here some of the principles and problems associated with the selection of variant plant cells and the regeneration of plants with new characteristics. Later we see how the application of genetic engineering methods is now aiding this area of research. plant cell selection has been performed with equal success using cells growing on solid media as calluses and in suspension as typical cell clumps. Rapidly growing, fine suspension cultures or friable calluses are generally the most suitable for selection purposes.