Assistant Professor

Department of Food Science and Technology

Virginia Institute of Technology and State University

Office
22 DuckPond Dr.
101 FST (0418)
Blacksburg, VA  24061
Office: 540-231-5031
Fax: 540-231-9293

Laboratory
309 Engel Hall

mponder@vt.edu

Published  

• Lopez-Velasco G.*, R. Boyer, G. Welbaum, M. Ponder. 2011.  Changes in spinach phylloepiphytic bacteria communities following minimal processing and refrigerated storage described using pyrosequencing of 16S rRNA amplicons. Journal of Applied Microbiology. 110 (5): 1203-1214.

 

• Ayala-del-Río, H,. Chain, P., Grzymski, J., Ponder, M., Ivanova, N., Bergholz, P., Di Bartolo, G., Hauser, L., Land, M., Bakermans, C., Rodrigues, D., Klappenbach, J., Zarka, D., Larimer, F., Richardson, P., Murray, A., Thomashow, M., and J. Tiedje . 2010. “The genome sequence of Psychrobacter arcticus 273-4, a psychroactive Siberian permafrost bacterium, reveals mechanisms for adaptation to low-temperature growth”.  Applied and Environmental Microbiology. 76(7): 2304-12.

 

• Price, K., H. Totty, H. Lee, M. Utt, J. Escobar and M. Ponder.  2010.  “Use of Saccharomyces cerevisiae fermentation product on growth performance and microbiota of weaned pigs during Salmonella infection.  Journal of Animal Science. 88:3896-3908.

 

• Lopez-Velasco, G., M. Davis, R. Boyer, R. Williams and M. Ponder. 2010. “Alterations of the phylloepiphytic bacterial community associated with interactions of E. coli O157:H7 during storage of packaged spinach at refrigeration temperatures”. Food Microbiology. 27(4): 476-486.

 

• Hintz, L. R. Boyer, M. Ponder, R. Williams and S. Rideout. 2010.  Recovery of Salmonella enterica Newport Introduced through Irrigation Water from Tomato (Lycopersicum esculentum) Fruit, Roots, Stems, and Leaves.  HortScience 45: 675-678

 

• Ponder, M. and S. Sumner.  2009. “Use of case studies to introduce undergraduate students to principles of food microbiology, molecular biology and epidemiology of food-borne disease". Biochemistry and Molecular Biology Education. 37(3): 156-163.

 

• Ponder, M., Thomashow, M. and J. Tiedje. 2008. Metabolic activity of Siberian permafrost isolated bacteria Psychrobacter arcticus 273-4 and Exiguobacterium 255-15 at low water activities. Extremophiles. 12:481-490.

 

• Zheng S, Ponder M., Shih JY, Tiedje JM, Thomashow MF, Lubman DM. 2007.  A proteomic analysis of Psychrobacter articus 273-4 adaptation to low temperature and salinity using a 2-D liquid mapping approach.  Electrophoresis. 28(3):467-88.

 

• Vishnivetskaya, T., Petrova, M., Urbance, J., Ponder, M., Moyer, C., Gilichinsky, D and J. Tiedje. 2006. Bacterial Community in Ancient Siberian Permafrost as Characterized by Culture and Culture-Independent Methods.  Astrobiology. 6 (3): 400-414.

 

• Bakermans, C., Ayala, H., Ponder, M. Tiedje, J. and M. Thomashow. 2006. Psychrobacter cryohalolentis sp. Nov. and Psychrobacter arcticus sp. nov. isolated from Siberian permafrost. International Journal of Systematic and Evolutionary Microbiology. 56 (Pt 6):1285-91.

 

• Ponder, M., Gilmour, S., Bergholz, P., Mindock, C., Hollingsworth, R., Thomashow, M. and J. Tiedje. 2005. Characterization of Potential Stress Responses in Ancient Siberian Permafrost Psychroactive Bacteria.  FEMS Microbial Ecology 53(1): 103-15
• Ponder, M., Vishnivetskaya, T., McGrath, J. and J. Tiedje.  2004.  “Microbial life in permafrost: extended times in extreme conditions” in Life in the frozen state. Edited by Fuller, J., Lane, N. and E. Benson.  CRC Press, Boca Raton. 151-170

 


Publications in preparation

• Lopez-Velasco, G., Welbaum G., and M. Ponder. Phylloepiphytic microbial community structure of spinach (Spinacia oleracea) as affected by cultivar and environmental conditions at time of harvest.

 

• Lopez-Velasco, G., Tydings H., Boyer R., Falkingham J. and M. Ponder. Nutrient competition and antagonism as mechanisms of interaction of Escherichia coli O157:H7 with epiphytic bacteria in vitro and on spinach leaf surfaces

 

• Lopez-Velasco, G., Carder P., Welbaum G., and M. Ponder. Microbial population structure and richness as a function of the plant development stage of Spinach (Spinacia oleracea).

 

• Kuntz T. J., Ponder M., Schmale D. and J. Eifert.  Campylobacter jejuni and Salmonella spp. detection in chicken grow out houses by environmental sampling methods

 

• Shepherd M., Ponder M., Jensen R. and W. Swecker.  Effect of non-structural carbohydrates composition in hay on the microbial ecology of the horse gut microbiome

 

• Ponder, M., Thomashow, M. and J. Tiedje. In preparation.  “Transcriptome responses of an ancient permafrost isolated Psychrobacter arcticus 273-4 to low temperature and low water activity”

 

• Ponder, M. Porwollik, S., McClelland and P. Fields. “Identification of differences in gene content between clinically relevant  Salmonella enterica serovars from subspecies II, II Ia, IIIb and IV”


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