Selected Publications

Books:

• Chess, B., Dabirsiaghi, C. and Varela, M. 2002. Test Bank to Accompany: Microbiology: Principles & Explorations, 5 ed. John Wiley & Sons, Inc., New York.
• Taylor, R. G., Varela, M.F. 1999. Laboratory Manual Microbiology, 3 ed. ENMU, Portales.

Peer-Reviewed Review Articles:

• Varela, M. F., and T. H. Wilson. 1996. Molecular biology of the lactose carrier of Escherichia coli. Biochim. Biophys. Acta 1276:21-34.
• Henderson, P. J., P. E. Roberts, G. E. Martin, K. B. Seamon, A. R. Walmsley, N. G. Rutherford, M. F. Varela, and J. K. Griffith. 1993. Homologous sugar-transport proteins in microbes and man. Biochem. Soc. Trans. 21:1002-6.

Peer-Reviewed Primary Publications:

• Yang, P., Hernandez, R.L., Crow, R.R., Jones S.E., Mathews, S.A., Arnold, A.M., E.F. Castillo, J.M. Moseley, and M.F. Varela. 2008. Pasteurized whole milk confers reduced susceptibilities to the antimicrobial agents trimethoprim, gatifloxacin, cefotaxime and tetracycline via the marRAB locus in Escherichia coli. J. Dairy Research, 75(4): 491-496. 
• VanCamp, B.M., Crow, R.R., Peng, Y., and M.F. Varela. 2007. Amino Acids that Confer Transport of Raffinose and Maltose Sugars in the Raffinose Permease (RafB) of Escherichia coli as Implicated by Spontaneous Mutations at Val-35, Ser-138, Ser-139, Gly-389 and Ile-391. J. Membrane Biology, 220 (1-3):87-95.
• Burgos, J. M., B. A. Ellington, and M. F. Varela. 2005. Presence of multidrug-resistant enteric bacteria in dairy farm topsoil. J. Dairy Sci. 88:1391-8.
• Varela, M. F., M. M. F. Lutnesky, and M. P. Osgood. 2005. Assessment of Student Skills for Critiquing Published Primary Scientific Literature Using a Primary Trait Analysis Scale. Microbiology Education 6:20-27.
• Shinnick, S. G., S. A. Perez, and M. F. Varela. 2003. Altered substrate selection of the melibiose transporter (MelY) of Enterobacter cloacae involving point mutations in Leu-88, Leu-91, and Ala-182 that confer enhanced maltose transport. J. Bacteriol. 185:3672-7.
• Shinnick, S. G., and M. F. Varela. 2002. Altered sugar selection and transport conferred by spontaneous point and deletion mutations in the lactose carrier of Escherichia coli. J. Membr. Biol. 189:191-9.
• Varela, M. F., T. H. Wilson, V. Rodon-Rivera, S. Shepherd, T. A. Dehne, and A. C. Rector. 2000. Mutants of the lactose carrier of Escherichia coli which show altered sugar recognition plus a severe defect in sugar accumulation. J. Membr. Biol. 174:199-205.
• Varela, M. F., R. J. Brooker, and T. H. Wilson. 1997. Lactose carrier mutants of Escherichia coli with changes in sugar recognition (lactose versus melibiose). J. Bacteriol. 179:5570-3.
• Lee, J. I., M. F. Varela, and T. H. Wilson. 1996. Physiological evidence for an interaction between Glu-325 and His-322 in the lactose carrier of Escherichia coli. Biochim. Biophys. Acta 1278:111-8.
• Varela, M. F., C. E. Sansom, and J. K. Griffith. 1995. Mutational analysis and molecular modelling of an amino acid sequence motif conserved in antiporters but not symporters in a transporter superfamily. Mol. Membr. Biol. 12:313-9.
• Varela, M. F. 1994. Molecular Biology of the Escherichia coli Tetracycline Transporter. Ph.D. University of New Mexico, Albuquerque.
• Varela, M. F., and J. K. Griffith. 1993. Nucleotide and deduced protein sequences of the class D tetracycline resistance determinant: relationship to other antimicrobial transport proteins. Antimicrob. Agents Chemother. 37:1253-8.
• Varela, M. F. 1989. Calcium ion inhibition of cholesterol esterification via acyl coenzyme A: cholesterol acyltransferase. M.S. University of New Mexico, Albuquerque.
• Rosenthal, M. J., M. Varela, A. Garcia, and D. R. Britton. 1989. Age-related changes in the motor response to environmental novelty in the rat. Exp. Gerontol. 24:149-57.
• Britton, D. R., M. Varela, A. Garcia, and M. Rosenthal. 1986. Dexamethasone suppresses pituitary-adrenal but not behavioral effects of centrally administered CRF. Life Sci. 38:211-6.