Profile – Mechthild Tegeder



Mechthild Tegeder

Job Title:


Work Address:

School of Biological Sciences, Washington State University, PO Box 644236, Pullman WA 99164-4236 (USA)


Phone Number:




Research Areas:

  • Nitrogen Transport/Uptake
  • Biological Nitrogen Fixation

Current N-related Projects:



Tegeder M. (2014) Long distance transport of amino acids and ureides: Opportunities for crop improvement; J. Exp. Bot. 65: 1865-1878.

Tegeder, M., Ruan, Y.-L. and Patrick, J.W. 2013. Roles of plasma membrane transporters in phloem functions.  In “Phloem: Molecular Cell Biology, Systemic Communication, Biotic Interactions” (Thompson, G.A., and van Bel, A.J.E., Eds.).  Wiley-Blackwell, Oxford, pp. 63-101.

Collier, R., and Tegeder, M.  2012.  Soybean ureide transporters play a critical role in nodule development, function and nitrogen export.  Plant J. 72:355-367. COVER ILLUSTRATION.

Tegeder, M., and Ward, J.M.  2012.  Molecular evolution of plant AAP and LHT amino acid transporters.  Front. Plant Sci. 3:21.

Tegeder. M.  2012.  Transporters for amino acids in plant cells: Some functions and many unknowns.  Current Opinion in Plant Biology 15:315-321.

Zhang, L., Tan, Q., Lee, R., Trethewy, A., Lee, Y.-H., and Tegeder, M.  2010.  Altered xylem-phloem transfer of amino acids affects metabolism and leads to increased seed yield and oil content in Arabidopsis.  Plant Cell 22:3603-3620.

Tan, Q., Zhang, L., Grant, J., Cooper, P., and Tegeder, M.  2010.  Increased phloem transport of S-methylmethionine positively affects sulfur and nitrogen metabolism and seed development in pea plants.  Plant Physiol. 154:1886-1896.

Sanders, A., Collier, R., Trethewy, A., Gould, G., Sieker, R., and Tegeder, M.  2009.  AAP1 regulates import of amino acids into developing Arabidopsis embryos.  Plant J. 59:540-552.

Foster, J., Lee, Y.-H., and Tegeder, M.  2008.  Distinct expression of members of the LHT amino acid transporter family in flowers indicates specific roles in plant reproduction.  Sex. Plant Reprod. 21:143-152.

Lee, Y.H., Foster J., Chen J., Voll, L.M., Weber, A.P.M., and Tegeder, M.   2007.  AAP1 transports uncharged amino acids into roots of Arabidopsis.  Plant J. 50:305-319.