Document Detail


The Arabidopsis thaliana hypocotyl, a model to identify and study control mechanisms of cellular expansion.
MedLine Citation:
PMID:  24633990     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Developmental biology studies in general benefit from model organisms that are well characterized. Arabidopsis thaliana fulfills this criterion and represents one of the best experimental systems to study developmental processes in higher plants. Light is a crucial factor that drives photosynthesis, but that also regulates plant morphogenesis. As the hypocotyl is completely embryonic of origin, its growth occurs solely by expansion of the cells and this process is strongly dependent on the light conditions. In this review, we provide evidence that the hypocotyl serves as ideal model object to study cell expansion mechanisms and its regulation. We focus on the regulation of hypocotyl development by light and highlight the key modulating proteins in this signaling cascade. Downstream of light-signaling, cellular expansion is greatly dependent on specific cell wall depositions, which is related to cortical microtubular (re)arrangements and on composition and/or extensibility of the cell wall. We discuss possible further experimental approaches to broaden our knowledge on hypocotyl development, which will give an outlook on the probable evolution of the field.
Authors:
Agnieszka Karolina Boron; Kris Vissenberg
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-3-16
Journal Detail:
Title:  Plant cell reports     Volume:  -     ISSN:  1432-203X     ISO Abbreviation:  Plant Cell Rep.     Publication Date:  2014 Mar 
Date Detail:
Created Date:  2014-3-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9880970     Medline TA:  Plant Cell Rep     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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