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[Arabidopsis] Postdoc, natural genetic variation in root morphology, Lausanne, Switzerland

Christian.Hardtke at unil.ch Christian.Hardtke at unil.ch
Tue Jul 5 05:06:15 EST 2005

Postdoctoral Position

Ecological relevance of a natural genetic variation in root system  
morphology in Arabidopsis thaliana

The phenotypic variation observed between individuals or populations  
is partly the result of exposure to different environments and partly  
the result of genetic differences. Genetic differences drive adaptive  
evolution of organisms to changes in environmental conditions. We  
have exploited natural genetic variation to isolate a novel regulator  
of root system morphology in the model plant system Arabidopsis  
thaliana,  the BREVIS RADIX (BRX) gene (Mouchel, Briggs & Hardtke  
2004, Genes & Development, 18: 700-714). BRX is a novel plant- 
specific gene and the founding member of the highly conserved BRX  
gene family. The activities of the corresponding proteins are  
currently being investigated.

As part of an interdisciplinary project between the groups of  
Christian Hardtke (http://www.unil.ch/dbmv ) and Giorgina Bernasconi  
(http://www.unil.ch/dee),  a postdoctoral position is available to  
study natural genetic variation in root morphology in the model plant  
species Arabidopsis thaliana. The successful candidate will test  
whether the naturally occurring loss-of-function BRX allele confers  
an adaptive advantage in its natural habitat or in particular  
physiological conditions.  This will include analysis of competition  
within- and between genotypes in tissue culture and greenhouse  
experiments, and mapping of BRX genotypes in natural populations.

Funding is available for two years, beginning October 2005.  
Applications are invited from scientists with skills and interests in  
plant evolutionary ecology, experimental  design and statistical  
analysis. Basic skills in molecular biology would be a plus. Please  
send your application including a cover letter detailing research  
interests and experience,  a CV, and contact information of two  
references to both Christian Hardtke and Giorgina Bernasconi. For  
more information, please contact  Christian.Hardtke at unil.ch or  
Giorgina.Bernasconi at unil.ch.

University of Lausanne provides excellent facilities, a lively  
intellectual and social environment and is beautifully located in  
Switzerland at the shore of Lake Geneva.
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