Root aerenchyma – formation and function

The formation of root aerenchyma, the prominent air spaces in the root cortex which are normally induced by waterlogging, has an important role in providing an internal pathway for oxygen transport between roots and the aerial environment. Along this pathway, O2 is supplied to the roots and rhizosph...

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Main Authors: Urška VIDEMŠEK, Boris TURK, Dominik VODNIK
Format: Article
Language:English
Published: University of Ljubljana Press (Založba Univerze v Ljubljani) 2006-09-01
Series:Acta Agriculturae Slovenica
Subjects:
Online Access:https://journals.uni-lj.si/aas/article/view/15124
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author Urška VIDEMŠEK
Boris TURK
Dominik VODNIK
author_facet Urška VIDEMŠEK
Boris TURK
Dominik VODNIK
author_sort Urška VIDEMŠEK
collection DOAJ
description The formation of root aerenchyma, the prominent air spaces in the root cortex which are normally induced by waterlogging, has an important role in providing an internal pathway for oxygen transport between roots and the aerial environment. Along this pathway, O2 is supplied to the roots and rhizosphere, while CO2, ethylene, etc. move from the soil to the shoot and the atmosphere. The aerenchyma are formed either as part of normal development, or in response to stress (e.g. hypoxia, nutrient deficiency), by two known mechanisms: schizogeny and lysigeny. Aerenchyma formation increases porosity above the levels that appear in the usual intercellular spaces.
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spelling doaj.art-c128eae3e017469895bfc076e5dc51872023-12-14T22:15:30ZengUniversity of Ljubljana Press (Založba Univerze v Ljubljani)Acta Agriculturae Slovenica1854-19412006-09-01872Root aerenchyma – formation and functionUrška VIDEMŠEK0Boris TURK1Dominik VODNIK2University of Ljubljana, Biotechnical Faculty, Department of Agronomy, Jamnikarjeva 101, SI-1000 LjubljanaUniversity of Ljubljana, Biotechnical Faculty, Department of Agronomy, Jamnikarjeva 101, SI-1000 LjubljanaUniversity of Ljubljana, Biotechnical Faculty, Department of Agronomy, Jamnikarjeva 101, SI-1000 LjubljanaThe formation of root aerenchyma, the prominent air spaces in the root cortex which are normally induced by waterlogging, has an important role in providing an internal pathway for oxygen transport between roots and the aerial environment. Along this pathway, O2 is supplied to the roots and rhizosphere, while CO2, ethylene, etc. move from the soil to the shoot and the atmosphere. The aerenchyma are formed either as part of normal development, or in response to stress (e.g. hypoxia, nutrient deficiency), by two known mechanisms: schizogeny and lysigeny. Aerenchyma formation increases porosity above the levels that appear in the usual intercellular spaces. https://journals.uni-lj.si/aas/article/view/15124rootsaerenchymaO2 depletionhypoxia
spellingShingle Urška VIDEMŠEK
Boris TURK
Dominik VODNIK
Root aerenchyma – formation and function
Acta Agriculturae Slovenica
roots
aerenchyma
O2 depletion
hypoxia
title Root aerenchyma – formation and function
title_full Root aerenchyma – formation and function
title_fullStr Root aerenchyma – formation and function
title_full_unstemmed Root aerenchyma – formation and function
title_short Root aerenchyma – formation and function
title_sort root aerenchyma formation and function
topic roots
aerenchyma
O2 depletion
hypoxia
url https://journals.uni-lj.si/aas/article/view/15124
work_keys_str_mv AT urskavidemsek rootaerenchymaformationandfunction
AT boristurk rootaerenchymaformationandfunction
AT dominikvodnik rootaerenchymaformationandfunction