Document Detail

Physcomitrella patens studies reveal that ethylene-mediated submergence responses arose relatively early in land-plant evolution.
MedLine Citation:
PMID:  23046428     Owner:  NLM     Status:  Publisher    
The colonization of land by multicellular green plants was a fundamental step in the evolution of life on earth. Land plants evolved from fresh-water aquatic algae, and the transition to a terrestrial environment required the acquisition of developmental plasticity appropriate to water availability conditions ranging from drought to flood. Here we show that extant bryophytes exhibit submergence-induced developmental plasticity, suggesting that submergence responses evolved relatively early in land plant evolution. We also show that a major component of the bryophyte submergence response is controlled by the phytohormone ethylene, using a perception mechanism that has subsequently been conserved throughout land plant evolution. Thus a plant environmental response mechanism, with major ecological and agricultural importance, likely had its origins in the very earliest stages of land colonization. © 2012 The Authors. The Plant Journal © 2012 Blackwell Publishing Ltd.
Yuki Yasumura; Ronald Pierik; Mark D Fricker; Laurentius A C J Voesenek; Nicholas P Harberd
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-10
Journal Detail:
Title:  The Plant journal : for cell and molecular biology     Volume:  -     ISSN:  1365-313X     ISO Abbreviation:  Plant J.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9207397     Medline TA:  Plant J     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 The Authors. The Plant Journal © 2012 Blackwell Publishing Ltd.
Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, United Kingdom. Plant Ecophysiology, Institute of Environmental Biology, Utrecht University, Padualaan 8, 3584 CH Utrecht, the Netherlands.
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