Detailed Information on Publication Record
2009
Role of auxin efflux in apical hook development
ŽÁDNÍKOVÁ, PetraBasic information
Original name
Role of auxin efflux in apical hook development
Authors
ŽÁDNÍKOVÁ, Petra (203 Czech Republic, guarantor)
Edition
2009
Other information
Language
English
Type of outcome
Konferenční abstrakt
Field of Study
Genetics and molecular biology
Country of publisher
Czech Republic
Confidentiality degree
není předmětem státního či obchodního tajemství
RIV identification code
RIV/00216224:14310/09:00039949
Organization unit
Faculty of Science
Keywords in English
PIN3 Apical hook Auxin Arabidopsis
Změněno: 11/4/2010 18:23, Mgr. Petra Žádníková, Ph.D.
Abstract
V originále
Apical hook of dark-grown seedlings is a simple structure, whose differential growth is regulated by hormones. Apical hook develops soon after germination and is maintained until the seedling emerges from the soil, and the hook opens upon its exposure to the light. We observed that progress of apical hook through individual developmental phases depends on dynamic and asymmetric distribution of auxin regulated by auxin efflux carriers of PIN family. Several PIN genes exhibit specific and only partially overlapping expression patterns. Genetic manipulation of individual PINs activities differentially interferes with particular stages of the hook development. Thus, specific combinations of different PINs are required for the progress of the apical hook through developmental phase. Detailed analysis of the ethylene regulated apical hook development suggests that at least part of the ethylene effect might be mediated through interaction with auxin and ethylene-dependent regulation of the auxin transport.
Links
| MSM0021622415, plan (intention) |
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