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Southern Nazarene University - Character Culture Christ

Study Biology at Southern Nazarene University, Bethany Oklahoma

Biology Faculty


Jeffrey Griffitts, Ph.D.Dr. Jeffery Griffiths SNU
Phone: 405.491.6640
Email: jefgriff@snu.edu

Ph.D., Pathology, University of Oklahoma Health Sciences Center
B.S., Environmental Health Science, East Central University
Chair, Biology Department
Director of the Quetzal Education Research Center (QERC), Costa Rica
At SNU since 2010

Notable Accomplishments
Post-doc, Oklahoma Medical Research Foundation.
US Environmental Protection Agency molecular biologist contractor.

Notable Publications 
Griffitts J., Saunders D., Tesiram Y.A., Reid G., Salih A., Liu S., Lydic T.A., Busik J.V., Kang J.X., and Towner R. The Non-mammalian Fat-1 Gene Prevents Neoplasia when Introduced to a Mouse Hepatocarcinogenesis Model. BBA - Molecular and Cell Biology of Lipids. 2010; 1801: 1133-44.

Griffitts J., Tesiram Y., Reid G.E., Saunders D., Floyd R., and Towner R. In Vivo MRS Assessment of Altered Fatty Acyl Unsaturation in Liver Tumor Formation of a TGFα/c-myc Transgenic Mouse Model. Journal of Lipid Research. 2009 Apr;50(4):611-22.

Activities
STEM mentor for the McNair program at SNU
Leader of Fresh Start Community Church college group in Moore, OK



David Hoekman, Ph.D. Dr. David Hoekman - Biology at SNU
Phone: 405.491.6657
Email: dhoekman@snu.edu

Ph.D., Ecology, Notre Dame
B.S., Biology and Archaeology, Wheaton College
Au Sable Institute of Environmental Studies representative for SNU
Director of the Environmental Studies Program
At SNU since August 2014

Prior Positions
Insect Ecologist at National Ecological Observatory Network (NEON)
NSF Postdoctoral Fellow, University of Wisconsin-Madison

Notable Publications 
Hoekman, D., Y. P. Springer, C. M. Barker, R. Barrera, M. S. Blackmore, W. E. Bradshaw, D. H. Foley, H. S. Ginsberg, M. H. Hayden, C. M. Holzapfel, S. A. Juliano, L. D. Kramer, S. L. LaDeau, T. P. Livdahl, C. G. Moore, R. S. Nasci, W. K. Reisen, and H. M. Savage. (2016) Design for mosquito abundance, diversity, and phenology sampling within the National Ecological Observatory Network. Ecosphere 7(5):e01320. 10.1002/ecs2.1320.

Sabo, J.L., D. Hoekman. (2015) Chapter 6: Dynamic systems of exchange link trophic dynamics in freshwater and terrestrial food webs. Editors: Kim La Pierre and Torrie Hanley. Trophic Ecology: Bottom-Up and Top-Down Interactions Across Aquatic and Terrestrial Systems. Cambridge University Press.

Hoekman, D., M. Bartrons, C. Gratton. (2012) Ecosystem linkages revealed by experimental lake-derived isotope signal in heathland food webs. Oecologia 170(3) 735-743.

Hoekman, D., J.M. Dreyer, R.D. Jackson, P.A. Townsend, C. Gratton. (2011) Lake to land subsidies: experimental addition of aquatic insects increases terrestrial arthropod densities. Ecology 92(11): 2063-2072.

Hoekman, D. (2010) The effect of temperature on the relative importance of top-down and bottom-up effects. Ecology 91(10): 2819-2825


Caio França, Ph.D. Dr. Caio Franca SNU
Phone: 405.491.6642
Email: cfranca@mail.snu.edu

Ph.D., Biochemistry, University of Oklahoma
B.S., Biology, Oklahoma Baptist University
B.S., Animal Science, Federal University of Rio Grande do Norte - Brazil
At SNU since July 2017

Notable Accomplishments
Robberson Travel and Research Grant, University of Oklahoma
Provost’s Award for Distinction in Teaching, University of Oklahoma
Dean’s Honor Roll, College of Arts and Sciences, Oklahoma Baptist University

Publications
Niu*, G., França*, C. M., Zhang, G., Roobsoong, W., Wang, N., Wang, X., Prachumsri, J., Butler, N. S., Li, J. Fibrinogen domain of FREP1 is a broad spectrum malaria transmission-blocking vaccine antigen. J Biol Chem, 2017.  292 (28): 11960-. doi:10.1074/jbc.M116.773564.

Niu, G., Zhang, G., França C. M., Cui, J., Munga, S., Afrane, Y., and Li, J. FBN30 in wild Anopheles gambiae functions as a pathogen recognition molecule against clinically circulating Plasmodium falciparum in malaria endemic areas in Kenya. Scientific Reports, 2017. 7, Article number: 8577 doi:10.1038/s41598-017-09017-3.

Zhang, G., Niu, G., França C. M., Dong, Y., Wang, X., Butler, N., Dimopoulos, G., and Li, J. Anopheles Midgut FREP1 Mediates Plasmodium Invasion. J Biol Chem, 2015. 290(27): p. 16490-501. doi:10.1074/jbc.M114.623165


Rob Jackson, Ph.D. Dr. Rob Jackson SNU
Phone: 405.491.6641 
Email: rjackson1464@mail.snu.edu 

Ph.D., Biochemistry and Molecular Biology, University of Oklahoma Health Sciences Center
B.S., Biology-Chemistry, Southern Nazarene University
Member, American Association of Anatomists
At SNU since July 2018

Notable Accomplishments 
Recipient of BMB Graduate Student of the Year, 2018, OUHSC
Post-doc, Cell Biology, OUHSC: Primary Kidney Culture Differentiation
Specialization: Adipose Differentiation and Recovery in Obesity and Type II Diabetes

Notable Publications 
Jackson, R. M. and Olson, A. L. (2018) Translocation and redistribution of GLUT4 using a dual-labeled reporter assay. Methods in Molec. Biol., 1713: 161-73

Jackson, R. M., Griesel, B. A., Gurley, J. M., Szweda, L. I., Olson, A. L. (2017) Glucose availability controls adipogenesis in mouse 3T3-L1 adipocytes via up-regulation of nicotinamide metabolism. JBC, 292(45): 18556-64

Gurley, J. M., Ilkayeva, O., Jackson, R. M., Griesel, B. A., White, P., Matsuzaki, S., Qaisar, R., Van Remmen, H., Humphries, K. M., Newgard, C. B., Olson, A. L. (2016). Enhanced GLUT4-Dependent Glucose Transport Relieves Nutrient Stress in Obese Mice Through Changes in Lipid and Amino Acid Metabolism. Diabetes, 65(12): 3585-97

Tessneer, K. L., Jackson, R. M., Griesel, B. A., Olson, A. L. (2014). Rab5 activity regulates GLUT4 sorting into insulin-responsive and non-insulin-responsive endosomal compartments: a potential mechanism for development of insulin resistance. Endocrinology, 155(9): 3315-28.

Activities
Facilitates the Cadaver Lab



Our Nazarene Heritage
Founded in 1899, Southern Nazarene University is a private, Christian, liberal arts university - a service of the Church of the Nazarene. Located on a 40-acre campus just west of Oklahoma City, SNU grew out of several small colleges committed to training people for service to God and their fellow man. More than 32,000 alumni work and serve throughout the United States and the world. Read About Our Heritage

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