REVOLUTA and WRKY53 connect early and late leaf development in Arabidopsis
Identifieur interne : 000691 ( Pmc/Corpus ); précédent : 000690; suivant : 000692REVOLUTA and WRKY53 connect early and late leaf development in Arabidopsis
Auteurs : Yakun Xie ; Kerstin Huhn ; Ronny Brandt ; Maren Potschin ; Stefan Bieker ; Daniel Straub ; Jasmin Doll ; Thomas Drechsler ; Ulrike Zentgraf ; Stephan WenkelSource :
- Development (Cambridge, England) [ 0950-1991 ] ; 2014.
Abstract
As sessile organisms, plants have to continuously adjust growth and development to ever-changing environmental conditions. At the end of the growing season, annual plants induce leaf senescence to reallocate nutrients and energy-rich substances from the leaves to the maturing seeds. Thus, leaf senescence is a means with which to increase reproductive success and is therefore tightly coupled to the developmental age of the plant. However, senescence can also be induced in response to sub-optimal growth conditions as an exit strategy, which is accompanied by severely reduced yield. Here, we show that class III homeodomain leucine zipper (HD-ZIPIII) transcription factors, which are known to be involved in basic pattern formation, have an additional role in controlling the onset of leaf senescence in
Url:
DOI: 10.1242/dev.117689
PubMed: 25395454
PubMed Central: 4299279
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