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Core mechanism for root growth identified
Date:8/25/2014

rowth of the root very stable.

When PLETHORA levels gradually diminish starting from the root tip upwards, the cell division, elongation and differentiation zones are created. And this inner organisation stays even if the growth direction of the root changes.

"The gravity and other environmental factors can change the auxin content of the cells, and quite rapidly. This all affects the growth direction of the root. And of course it is important for the plant to maintain the organization while directing their roots there where water and nutrients most likely are to be found."


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Contact: Ari Pekka Mähönen
aripekka.mahonen@helsinki.fi
University of Helsinki
Source:Eurekalert  

Page: 1 2

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