LECTURE 04 PLANT REGENERATION ‘DE NOVO’
The development of an adult organism from a single cell (zygote) is the result of the integration of cell division and cell differentiation. Isolated cells from differentiated tissues are generally non dividing and quiescent but to express totipotency, the differentiated cells first undergoes differentiation and then re-differentiation. The phenomenon of a mature cell reverting to a meristematic state and forming a dedifferentiated callus tissue is called dedifferentiation whereas the ability of differentiated cell to form a whole plant/plant organs is termed as re-differentiation.
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