postdoctoral positions available

Nobody nobody at
Mon Sep 10 09:16:08 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 function=F3biochemical
function, to the broadest definition of function=F3the 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


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