Dr. Karen S. Schumaker
Associate Professor

Marley Building, Room 441B
Phone: (520) 621-9635
Email: schumake@ag.arizona.edu
 

Visit these web-sites to learn
more about
Dr. Schumaker and her Research

Schumaker Lab

   
Background and Interests
 
Karen Schumaker received a Ph.D. in Botany from the University of Maryland. She also has a Master's degree in Agronomy and Plant Breeding from Oregon State University and a Bachelor's degree in Plant Sciences from the University of California, Davis. Here at the University of Arizona she teaches Plant Growth and Development for undergraduate and graduate students. Her research interests include understanding how specificity is achieved during calcium-mediated growth and development, identifying mechanisms controlling plant adaptation to salt stress and identifying transcriptional regulatory networks controlling female gametophyte development.

 
Selected Publications
 

Nah G, Pagliarulo CL, Mohr PG, Luo M, Sisneros N, Yu Y, Collura K, Currie J, Goicoechea JL, Wing RA, Schumaker KS. 2009. Comparative sequence analysis of the SALT OVERLY SENSITIVE1 orthologous region in Thellungiella halophila and Arabidopsis thaliana. Genomics. 94, 196-203.

Lin H, Yang Y, Quan R, Mendoza I, Wu Y, Du W, Zhao S, Schumaker KS, Pardo JM, Guo Y. 2009. Phosphorylation of SOS3-LIKE CALCIUM BINDING PROTEIN8 by SOS2 protein kinase stabilizes their protein complex and regulates salt tolerance in Arabidopsis. Plant Cell. 21, 1607-1619.

Gao Y, Gong X, Cao W, Zhao J, Fu L, Wang X, Schumaker KS, Guo Y. 2008. SAD2 is required for trichome initiation in Arabidopsis by mediating GL3 function and regulating GL1, TTG1 and GL2 expression. J. Integr. Plant Biol. 50, 906-917.

Batelli G, Versules PE, Agius F, Qiu Q-S, Songqin FH, Schumaker KS, Grillo S, Zhu J-K. 2007. SOS2 promotes salt tolerance in part by interacting with the vacuolar H+-ATPase and upregulating its transport activity. Mol. Cell. Biol. 27, 7781-7790.

Fulsang AT, Guo Y, Cuin TA, Qiu Q-S, Song C, Kristiansen KA, Bych K, Schulz A, Shabala S, Schumaker KS, Palmgren MG, Zhu J-K. 2007. Arabidopsis protein kinase PKS5 inhibits the plasma membrane H+-ATPase by preventing interaction with 14-3-3 protein. Plant Cell 19, 1617-1634.

Zhao J, Zhang W, Zhao Y, Gong X, Guo L, Zhu G, Wang X, Gong Z, Schumaker KS, Guo Y. 2007. SAD2, an importin B-like protein, is required for UV-B response in Arabidopsis by mediating MYB4 nuclear trafficking. Plant Cell 19, 3805-3818.

Kim YS, Schumaker KS, Zhu J-K. 2005. EMS mutagenesis of Arabidopsis. Methods in Molecular Biology. Vol. 323. Salinas, J. and Sanchez-Serrano, J., eds. Humana Press, N.J.

Gong D, Guo Y, Schumaker KS, Zhu J-K. 2004. Update on calcium and protein kinase signaling. The SOS3 family of calcium sensors and SOS2 family of protein kinases in Arabidopsis. Plant Physiol. 134, 919-926.

Qiu Q-S, Guo Y, Quintero FJ, Pardo JM, Schumaker KS, Zhu J-K. 2004. Regulation of vacuolar Na+/H+ exchange in Arabidopsis thaliana by the Salt-Overly-Sensitive (SOS) pathway. J. Biol. Chem. 297, 207-215.

Guo Y, Qiu Q-S, Quintero FJ, Pardo JM, Ohta M, Zhang C, Schumaker KS, Zhu J-K. 2004. Transgenic evaluation of activated mutant alleles of SOS2 reveals a critical requirement for its kinase activity and C-terminal regulatory domain for salt tolerance in Arabidopsis thaliana. Plant Cell 16, 435-449.

Chinnusamy V, Schumaker KS, Zhu J-K. 2004. Molecular genetic perspectives on cross-talk and specificity in abiotic stress signaling in plants. J. Exp. Bot. 55, 225-236.

Qiu Q-S, Barkla BJ, Vera-Estrella R, Zhu J-K, Schumaker KS. 2003. Na+/H+ exchange activity in the plasma membrane of Arabidopsis thaliana. Plant Physiol. 132, 1041-1052.

Qiu Q-S, Guo Y, Dietrich MA, Schumaker KS, Zhu J-K. 2003. Regulation of SOS1, a plasma membrane Na+/H+ exchanger in Arabidopsis thaliana, by SOS2 and SOS3. Proc. Natl. Acad. Sci. USA 99, 8436-8441.

Xiong L, Schumaker KS, Zhu J-K. 2002. Cell signaling during cold, drought, and salt stress. Plant Cell 14, S165-S183.

Parks GE, Dietrich MA, Schumaker KS 2002. Increased vacuolar Na+/H+ exchange activity in Salicornia bigelovii Torr. in response to NaCl. J. Exp. Bot. 53, 1055-1065.




 

       
 
 


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