postdoctoral positions available

Elsbeth L. Walker ewalker at bio.umass.edu
Mon Sep 10 09:17:14 EST 2001

University of Massachusetts, Amherst

Laboratory of Elsbeth L. Walker

Two NSF-supported postdoctoral positions are available for a period 
of up to three years to study the function of the eight members of 
the Yellow Stripe-Like (YSL) family of Arabidopsis. YSL proteins 
mediate transport of metals bound to nicotianamine. The many roles of 
nicotianamine in achieving proper metal ion allocation in plants are 
incompletely understood, but there is strong evidence that 
nicotianamine is necessary for distribution of Fe, Zn, and Mn via 
phloem, and that it is required for transport of Cu in xylem. For the 
current project, the functions of the eight Arabidopsis thaliana YSL 
genes will be determined from the narrowest definition of 
functionóbiochemical function, to the broadest definition of 
functionóthe role of these proteins in the growth and development of 
the plant. By integrating this information for all eight YSL genes, 
we will improve our understanding of metal ion allocation mechanisms 
used by plants, and further the goal of manipulating plant metal 
allocation for the purposes of phytoremediation and improved value 
for human nutrition.

Candidates must have a strong background in molecular biology and/or 
biochemistry. Please send a letter outlining your research interests 
and accomplishments, a current CV and arrange to have three letters 
of reference sent directly to Elsbeth Walker, Biology Dept., 611 
North Pleasant St., University of Massachussets, Amherst, MA 01003. 
Ph: 413-545-0861; fax: 413 545-3243; e-mail: ewalker at bio.umass.edu.

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