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Faculty Portrait

Contact Information

Name: Nicholas Ewing

Title: Professor

Office Location: Sequoia 205

Email: nnewing@csus.edu

Office Phone: (916) 278-6707

Mailing Address: Sacramento State 6000 J Street Sacramento, CA 95819-6077

Office Hours: Tues and Thurs 2:30-4 PM Or by appointment

Courses Fall, 2016

  • On Sabbatical

Publications

Afshari-Nejad, F., Bradshaw, K.G., Ro, S., Whitson, J.C., Kirschke, C.P., Murphy, E., Idate, R.,  Gambetta, G.A., Dubrovsky, J.G., and Ewing N.N. The tomato plasma membrane H+-ATPase, LHA2, is auxin-responsive and is expressed in key auxin-regulated sites. (In Preparation).

Joh, L.J., Wroblewski, T., Ewing, N.N., VanderGheynst, J.S., 2005. High-Level Transient Expression of Recombinant Protein in Lettuce. Biotechnology and Bioengineering. 91 (7): 861-71.

Jeffery, W.R., Swalla, B.J., Ewing, N., Kusakabe, T. 1999. Evolution of the ascidian anural larva: evidence from embryos and molecules. Mol Biol Evol. 16 (5): 646-54.

Etzler, M.E., Kalsi, G., Ewing, N.N., Roberts, N.J., Day, R.B., Murphy, J.B. 1999. A nod factor binding lectin with apyrase activity from legume roots. Proc Natl Acad Sci USA. 96 (10): 5856-61.

Jeffery WR, Ewing N, Machula J, Olsen CL, Swalla BJ. 1998. Cytoskeletal actin genes function downstream of HNF-3ß in ascidian notochord development. Int J Dev Biol. 42 (8): 1085-92.

Ewing, N.N. and Bennett, A.B. 1994. Assessment of the number and expression of genes encoding P-type H+-ATPases in tomato. Plant Physiol. 106: 547-557.

Wimmers, L.E., Ewing, N.N., Bennett, A.B. 1992. Higher plant Ca2+-ATPase: Primary structure and regulation of mRNA levels by salt. Proc. Natl. Acad. Sci. USA. 89: 9205-9209.

Ewing, N.N., Wimmers, L.E., Meyer, D.J., Chetelat, R.T., Bennett, A.B. 1990. Molecular cloning of tomato plasma membrane H+-ATPase. Plant Physiol. 94: 1874-1881.

Wimmers, L.E., Ewing, N.N., Meyer, D.J., Bennett, A.B. 1990. Molecular biology of P-type ion-translocating ATPases. In: Calcium in Plants. Eds. R. Leonard, P. Hepler. Amer. Soc. Plant Physiol., Rockville, MD., pp 36-45.

Bennett, A.B., Ewing, N.N., Wimmers, L.E., Meyer, D.J. 1989. Molecular analysis of cation-sensitive ATPases in tomato. In: Plant Membrane Transport: The Current Position. Eds. J. Dainty, M.I. DeMichelis, E. Marre, F. Rasi-Caldagno, pp 449-454. Elsevier, Amsterdam.

Abstracts

Alisa Simonoff-Smith, Nataliya Dolgoter, Nicholas Ewing.   Identification of Arbuscular Mycorrhizal Fungi from Soils Adjacent to the American River.  California State University Undergraduate Research Symposium, California State University Sacramento, February 28, 2014

Farzaneh Afshari-Nejad, Deborah Wright, Jennifer DeRobertis, Nicholas N. Ewing and the 2012-2013 students of Advanced Molecular Biology (BIO 180) and Plant Anatomy and Physiology (BIO 128).  Dissecting the Physiological Roles of Members of the Plasma Membrane H+-ATPase Gene Family in Tomato and Arabidopsis:  Integrating Research into Undergraduate Curriculum. California State University Undergraduate Research Symposium, California State University Sacramento, February 28, 2014

Farzaneh Afshari-Nejad, Deborah Wright, Jennifer DeRobertis, Nicholas N. Ewing and the 2012-2013 students of Advanced Molecular Biology (BIO 180) and Plant Anatomy and Physiology (BIO 128).  Dissecting the Physiological Roles of Members of the Plasma Membrane H+-ATPase Gene Family in Tomato and Arabidopsis:  Integrating Research into Undergraduate Curriculum.  Annual Meeting of the California State University Program for Education and Research in Biotechnology (CSUPERB).  Jan. 9-11, 2014. Santa Clara, CA

Munira Ferdousi, Kristen Greene, *Delaney Lin, Robert Boyce, and Nicholas N. Ewing..Participation of Plasma Membrane H+-ATPases in Plant Responses to Salinity. Presented at the Annual Meeting of the California State University Program for Education and Research in Biotechnology (CSUPERB).  Jan. 12-14, 2012. Santa Clara, CA

Kristen Greene, Courtney Morgan, Robert Boyce, and N. N. Ewing.  Participation of the Plasma Membrane H+-ATPases in Plant Responses to Salinity.  Presented at the Annual Meeting of the California State University Program for Education and Research in Biotechnology (CSUPERB).  Jan. 7-8, 2011.  Los Angeles, CA.

Drushti B. Patel, Sahara Javed, Akansha Khosla, Robert Boyce and Nicholas N. Ewing.  Examining the Role of Plasma Membrane H+-ATPases in the Auxin Control of Plant Growth. Presented at the Annual Meeting of the California State University Program for Education and Research in Biotechnology (CSUPERB).  Jan. 8-9, 2010. Santa Clara, CA

Linda Sok, Robert Boyce, Jihyen Lee, and N. N. Ewing.  Overexpression of the Tomato Plasma Membrane H+-ATPase LHA2 in Arabidopsis to Test Its Role in the Control of Plant Growth and Development.  Presented at the Annual Meeting of the California State University Program for Education and Research in Biotechnology (CSUPERB).  Jan. 11-13, 2008.  Oakland, CA.

Manjari Dani and N. N. Ewing.  Regulation of the promoter of the tomato plasma membrane H+- ATPase, LHA2 by auxin in Tomato (Lycopersicon esculentum) and Arabidopsis thaliana.  Annual Meeting of the Western Section of the American Society of Plant Biologists.  Feb. 2-3, 2007.  UCD, Davis, CA.

Jihyen Lee, Akihiro Tsuyada  and N. N. Ewing. The Effect of Overexpression of Tomato H+-ATPase Isoform LHA2 on the Growth and Development of Arabidopsis thaliana.  Annual Meeting of the Western Section of the American Society of Plant Biologists.  Feb. 2-3, 2007.  UCD, Davis, CA.  

Manjari Dani and N.N. Ewing.  Regulation of the promoter of the tomato plasma membrane H+- ATPase, LHA2 by auxin in Tomato (Lycopersicon esculentum) and Arabidopsis thaliana. Presented at the Annual Meeting of the California State University Program for Education and Research in Biotechnology (CSUPERB).   Jan. 12-14, 2007.  Los Angeles, CA.

Elaine S. Manzanilla and Nicholas N. Ewing.  “The pattern of expression of the plasma membrane ion pump LHA2 during tomato root colonization by endomycorrhizal fungi”.  Presented at the Annual Meeting of the California State University Program for Education and Research in Biotechnology (CSUPERB).  San Jose, CA. Jan. 13-15, 2006.  (Poster Presentation)

Elaine S. Manzanilla and Nicholas N. Ewing. “The pattern of expression of the plasma membrane ion pump LHA2 during tomato root colonization by endomycorrhizal fungi”.  New Mexico Louis Stokes Alliance for Minority Participation Undergraduate Research Conference.  October 7-9, 2005

Gregory A. Gambetta, Zina Dahmani, Joseph C. Whitson and Nicholas N. Ewing.  Spatial expression patterns of the LHA1 and LHA2 H+-ATPases in Arabidopsis and Lycopersicon esculentum: Insight into differential regulation within a gene family. Presented at the Annual Meeting of California State University Program in Education and Research in Biotechnology (CSUPERB). San Jose, CA.  Jan. 16-18, 2004.  (Poster Presentation.)

David W. Nipper, Padmini Sirish, Edna P. Gow, Lesley L. Flynt and Nicholas N. Ewing,  Development of a Low-Cost, Large-Scale Expression System in Tomato:  Is it Safe?  Presented at the Annual Meeting of California State University Program in Education and Research in Biotechnology (CSUPERB). San Jose, CA.  Jan. 16-18, 2004.  (Poster Presentation.)

Nicholas N. Ewing, James J. Youngblom, Janey H. Youngblom, Robert M. Horton.  Integration of Microarray Analysis of Gene Expression into Undergraduate Laboratory Courses.  Annual Meeting of the American Society of Plant Biologists.  Honolulu, HI.  July 25-30, 2003. (Poster Presentation)

Jill M. Aschehoug and Nicholas N. Ewing.  Cell Specific Over-Expression of a Plasma Membrane H+-ATPase to Test the Role of Cytosolic pH in Regulation of the Cell Cycle.  Presented at the Annual Meeting of California State University Program in Education and Research in Biotechnology (CSUPERB). Pomona, CA.  Jan. 9-11, 2003.  (Poster Presentation.)

David W. Nipper, Padmini Sirish, Edna P. Gow, Lesley L. Flynt and Nicholas N. Ewing,  Development of a Low-Cost, Large-Scale Expression System in Tomato.  Presented at the Annual Meeting of California State University Program in Education and Research in Biotechnology (CSUPERB). Pomona, CA.  Jan. 9-11, 2003.  (Poster Presentation.)

Joseph C. Whitson, Hiwot Aberra, Rosalie Taijeron, and Nicholas N. Ewing.  Analysis of Plasma Membrane H+-ATPase LHA2 mRNA Levels in Antisense and Wild-type Tomato.  Presented at the Annual Meeting of California State University Program in Education and Research in Biotechnology (CSUPERB). Pomona, CA.  Jan. 9-11, 2003.  (Poster Presentation.)

S. Lindgren, R. Ballard, N.N. Ewing, D. Bell, L. Roberts, K. McReynolds, M McCarthy-Hintz.  Development of a Molecular Biology Interdisciplinary Group at C.S.U. Sacramento.  Presented at the Annual Meeting of California State University Program in Education and Research in Biotechnology (CSUPERB). Pomona, CA.  Jan. 9-11, 2003.  (Poster Presentation.)

Lesley L. Flynt, Seungil Ro, Stephanie A. Duncanson, Edna P. Gow, David Olvera, Nicholas N. Ewing. Development of a Large-Scale, Low-Cost  Expression System in Tomato.  Phi Kappa Phi Annual Awards Banquet, CSU, Sacramento.  April 24, 2002.  (Poster Presentation).

Kathryn G. Bradshaw, Thanh K. Truong, Milada Janatova, Joseph C. Whitson, C.atherine P. Kirschke, Swungil Ro, Erin K. Murphy, Nicholas N. Ewing. Plasma Membrane H+-ATPases are Key Participants in the Auxin Control of Plant Growth and Development. CSUPERB Annual CSU Biotechnology Symposium. Cal Poly Pomona.  Jan. 10-12, 2002. (Poster presentation).

Joseph C. Whitson, Katherine G. Bradshaw, Catherine P. Kirschke, Seungil Ro, Erin K. Murphy, Graham J. Donaldson, Nicholas N. Ewing. Plasma membrane H+-ATPase LHA2 is essential for auxin control of plant growth and development. The Annual Meeting of the American Society of Plant Biologists. July 21-25, 2001.

Joseph C. Whitson, Katherine G. Bradshaw, Catherine P. Kirschke, Seungil Ro, Erin K. Murphy, Graham J. Donaldson, Nicholas N. Ewing. Plasma membrane H+-ATPase LHA2 is essential for auxin control of plant growth and development. AgBiotech 2001. March 24-25, 2001. Tenaya Lodge, California (Poster Presentation)

Kirschke, C. P., Ro, S., Bradshaw, K. G., Whitson, J. G., Murphy, E. K. , Donaldson, G. J., Ewing, N. N. Tomato H+-ATPase LHA2 Plays a Central Role in Auxin-Regulated Plant Growth and Development. CSUPERB Annual CSU Biotechnology Symposium. Jan. 16-19, 2001. (Poster presentation).

Kirschke, C.P., Ro, S., Bradshaw, K, G., Arbabi, S., Dubrovsky, J.G., Ewing, N.N. 2000. The Promoter of Tomato Plasma Membrane H+-ATPase LHA2 Is Auxin-Responsive in Roots and Shoots and Drives Expression During Lateral Root Initiation and in Abscission Zones. The Annual Meeting of the American Society of Plant Physiologists. July 15-July 19, 2000.

S. Ro, K. G. Bradshaw, Z. Dahmani, N. N. Ewing. Auxin Control of Plant Growth and Development Mediated by Differential Regulation of H+-ATPase Gene Family Members. CSUPERB Annual CSU Biotechnology Symposium. Jan. 14-16, 2000. (Poster presentation).

C. Kirschke, S. Ro, N. N. Ewing. Antisense and Reporter Gene Analysis to Test Plasma Membrane H+-ATPase Function in Tomato. CSUPERB annual CSU Biotechnology Symposium. Jan. 14-16, 2000. (Poster presentation).

Ro, S., Janatova, M., Idate, R.R., Kirschke, C.P., Dahmani, Z, Ewing, N.N. 1999. Tomato plasma membrane H+-ATPase isoform LHA2 expression is induced during lateral root initiation and abscission zone development. The Annual Meeting of the American Society of Plant Physiologists. July 24-July 28, 1999.

Arbabi, S., Ro, S., Panis, M., Idate, R.R., Ewing, N.N. 1999. Auxin regulates expression of the tomato plasma membrane H+-ATPase isoform LHA2. . CSU Biotechnology Symposium. Jan. 14-16, 1999. (Poster presentation).

Ro, S., Kirschke, C.P., Idate, R.R., Ewing, N.N. 1999. Tomato plasma membrane H+-ATPase isoform LHA2: Gene structure and evolution. . CSU Biotechnology Symposium. Jan. 14-16, 1999. (Poster presentation).

S. Ro, R. R. Idate and N.N. Ewing. . Tomato Plasma Membrane H+-ATPase Isoform LHA2: Gene Structure and Evolution. UCD/ North Valley and Mountain Biotechnology Center Biotechnology Conference. September 25-26, 1998.

S. Arbabi, S. Ro, M. Panis, R. R. Idate and N.N. Ewing. Auxin Regulates Expression of the Tomato Plasma Membrane H+-ATPase Isoform LHA2. UCD/ North Valley and Mountain Biotechnology Center Biotechnology Conference. September 25-26, 1998.

S. Ro, M. Lanier and N.N. Ewing. Toward Edible Vaccines. UCD/ North Valley and Mountain Biotechnology Center Biotechnology Conference. September 25-26, 1998.

S. Ro, R. R. Idate and N.N. Ewing. Tomato Plasma Membrane H+-ATPase Isoform LHA2. Plant Genomics ‘98, Scientific and Professional Opportunities. Western Section of the American Society of Plant Physiologists. Nov. 11-13, 1998.

S. Arbabi, S. Ro, M. Panis, R. R. Idate and N.N. Ewing.Auxin Regulates Expression of the Tomato Plasma Membrane H+-ATPase Isoform LHA2. Plant Genomics ‘98, Scientific and Professional Opportunities. Western Section of the American Society of Plant Physiologists. Nov. 11-13, 1998.

Panis, M., Huang, D. C., Arbabi, S., Ewing, N. N. 1998. Expression analysis of the tomato plasma membrane H+-ATPase isoform LHA2. CSU Biotechnology Symposium. Jan. 15-17, 1998. (Poster presentation).

Ro, S., Idate, R.R., Ewing, N. N. 1998. Molecular cloning of the tomato plasma membrane H+-ATPase isoform LHA2. CSU Biotechnology Symposium. Jan. 15-17, 1998. (Poster presentation).

Idate, R. R., Huang, D. C., Ewing, N.N. 1997. Analysis of tomato P-type H+-ATPase LHA2 gene expression using GUS reporter gene constructs in transient expression assays. Plant Physiol. 114s: 193-194.

Mito, N., Ewing, N.N., Wimmers, L.E., Bennett, A.B. 1994. Sugar induction of a plasma membrane proton ATPase mRNA abundance in tomato. Plant Physiol. 105s: 147.

Ewing, N.N., Bennett, A.B. 1991. Assessing the number of P-type H+-ATPases in tomato. Plant Physiol. 96s: 13. Oral presentation at the 1991 annual meeting of the American Society of Plant Physiologists.

Ewing, N.N., Wimmers, L.E., Meyer, D.J., Bennett, A.B. 1991. Molecular analysis of the plasma membrane H+-ATPase gene family in tomato. Journal of Cellular Biochem. 15A: 318.

Ewing, N.N., Wimmers, L.E., Bennett, A.B. 1989. Molecular cloning of E1/E2-type ion-translocating ATPases. Proceedings of 8th International Workshop on Plant Membrane Transport, Venice, Italy.

Research Projects/Interests

We are focused on two major areas in my lab:

In the first, we are studying the role of plasma membrane H+-ATPases in controlling plant growth and development

In the second, we are examining the diversity of arbuscular mycorrhizal fungi in soils.

Professional Associations

  • American Society of Plant Biologists
  • California Native Plant Society
  • American Association for the Adancement of Science

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