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Dedifferentiation

Explain dedif...

Question

Explain dedifferentiation and re differentiation

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Solution

$\begin{matrix} D i f f e r e n t i a t i o n & T h e c e l l s d e r i v e d f r o m r o o t a p i c a l a n d s h o o t - a p i c a l m e r i s t e m s a n d c a m b i u m d i f f e r e n c t i a t e a n d m a l u r e t o p e r f o r m s p e c i f i c f u n c t i o n s . T h i s a c t l e a d i n g t o m a t u r a t i o n i s t e r m e d a s d i f f e r e n t i a t i o n D u r i n g d i f f e r e n t i a t i o n c e l l s u n d e r g o f e w t o m a j o r s t r u c t u r a l c h a n g e s b o t h i n t h e i r c e l l w a l l s a n d p r o t o p l a s m . F o r e x a m p l e, t o f o r m a t r a c h c a r y e l e m e n t, t h e c e l l s w o u l d l o s e t h e i r p r o t o p l a s m . T h e y a l s o d e v e l o p v e r y s t r o n g, e l a s t i c, l i g n o c e l l u l o s i c s e c o n d a r y c e l l w a l l s, t o c a r r y w a t e r t o l o n g d i s t a n c e s e v e n u n d e r e x t r e m e t e n s i o n . D e d i f f e r e n t i a t i o n & A f t e r d i f f e r e n t i a t i o n, t h e l i v i n g d i f f e r e n t i a t e d c e l l s, w h i c h h a v e l o s t t h e c a p a c i t y t o d i v i d e c a n r e g a i n t h e c a p a c i t y o f d i v i s i o n u n d e r c e r t a i n c o n d i t i o n s . T h i s p h e n o m e n o n i s t e r m e d a s d e d i f f e r e n t i a t i o n F o r e x a m p l e, f o r m a t i o n o f m e r i s t e m s - a) i n t e r f a s c i c u l a r c a m b i u m a n d b) c o r k c a m b i u m f r o m f u l l y d i f f e r e n t i a t e d p a r e n c h y m a c e l l s R e d i f f e r e n t i a t i o n & A f t e r t h e p r o c e s s o f d e d i f f e r e n t i a t i o n t h e p r o d u c e d c e l l s a g a i n l o s e t h e c a p a c i t y t o d i v i d e b u t m a t u r e t o p e r f o r m s p e c i f i c, i . e ., g e t r e d i f f e r e n t i a t e d E x a m p l e s S e c o n d a r y x y l e m, s e c o n d a r y p h l o e m e t c . \end{matrix}$

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Dedifferentiation

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