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Vascular Development in Arabidopsis Roots

Authored by: Anthony Bishopp , Sedeer El-Showk , Ykä Helariutta

Plant Roots

Print publication date:  April  2013
Online publication date:  April  2013

Print ISBN: 9781439846483
eBook ISBN: 9781439846490
Adobe ISBN:

10.1201/b14550-10

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Abstract

The development of a vascular system has been instrumental to the evolution of vascular plants and their subsequent domination of land. Nonvascular land plants (such as mosses and liverworts) are restricted to moist environments and are unable to attain large sizes due to an inability to effectively transport water and nutrients between organs. The evolution of a vascular system has not only provided plants with a transport mechanism by which water and nutrients can be conducted between organs but also provided them with a rigid structure. This has enabled vascular plants to grow tall enough to capture light and develop roots to search out water below the soil surface. Consequently, vascular land plants have been able to colonize habitats throughout most of the Earth.

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