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Structure and Formation of Suberin in Roots

 

 

Casparianmore

  • Suberin in roots is deposited in the cell walls of the endodermis (Casparian bands) and the hypodermis forming apoplastic transport barriers between the soil and roots (Schreiber and Franke 2011). Using analytical techniques, such as gas chromatography and mass spectrometry, characterization of the chemical composition of endodermal and hypodermal root cell walls is carried out (Schreiber 2010). Elongases and P450 hydroxylases involved in suberin biosynthesis in Arabidopsis and rice roots are analysed by molecular biological and biochemical techniques (Ranathunge et al. 2011). In order to relate the chemical composition of endodermal and hypodermal root cell walls to their function as apoplastic transport barriers, radial transport of solutes (Ranathunge et al. 2011), water (Ranathunge and Schreiber 2011) and oxygen (Kotula et al. 2009) is measured in Arabidopsis and rice roots.
 
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