Dr. Xianqin Yang

I am a research scientist, conducting work in the area of meat safety and preservation.
Current research and/or projects
Since 2007, Dr. Yang’s research has been primarily focusing on reduction of microbiological contamination of meat during the primary production and distribution process, i.e. from slaughtering of animals to steaks on the plate, including identification, tracking and control source of contamination, mechanisms of survival and persistence of E. coli in meat processing environments, effective intervention strategies for controlling enteric pathogens, and shelf-life extension of meat.
Current projects
1. Comparative genetic characterization of E. coli O157:H7 from pigs and cattle, feces and carcasses/Alberta Innovates/2019-2022
2. Exploring the potential of using Carnobacterium maltaromaticum A5 as a bioprotective agent in meat plants to improve the safety and shelf life of meat/Beef Cattle Research Council/2019-2020
3. If E. coli shed by cattle is becoming resistant to antimicrobial interventions in abattoirs, how best to raise the hurdles/Beef Cattle Research Council/ 2018-2022
4. Chlorine resistant Escherichia coli in beef processing facilities: selective pressure for heat resistant pathogens/Alberta Innovates/ 2019-2022.
5. Understanding biofilm community dynamics/Agriculture and Agri-Food Canada/2019-2022
6. Beef Quality Canada's National Beef Quality Audit at Retail and Processing/Beef Cluster/2021-2023
Key publications
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Yang, X., Wang, H., Badoni, M., Zawadski, S., McLeod, B., Holman, D., Uttaro, B. (2020). Effects of a novel three-step sous-vide cooking and subsequent chilled storage on the microbiota of beef steaks. Meat Science, [online] 159 http://dx.doi.org/10.1016/j.meatsci.2019.107938
2020 - View publication details
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Visvalingam, J., Zhang, P., Ells, T.C., Yang, X. (2019). Dynamics of Biofilm Formation by Salmonella Typhimurium and Beef Processing Plant Bacteria in Mono- and Dual-Species Cultures. Microbial Ecology, [online] 78(2), 375-387. http://dx.doi.org/10.1007/s00248-018-1304-z
2019 - View publication details
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Laidlaw, A.M., Gänzle, M.G., Yang, X. (2019). Comparative assessment of qPCR enumeration methods that discriminate between live and dead Escherichia coli O157:H7 on beef, 79 41-47. http://dx.doi.org/10.1016/j.fm.2018.11.002
2019 - View publication details
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Zhang, P., Badoni, M., Gänzle, M., Yang, X. (2018). Growth of Carnobacterium spp. isolated from chilled vacuum-packaged meat under relevant acidic conditions. International Journal of Food Microbiology, [online] 286 120-127. http://dx.doi.org/10.1016/j.ijfoodmicro.2018.07.032
2018 - View publication details
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Yang, X., Wang, H., He, A., Tran, F. (2018). Biofilm formation and susceptibility to biocides of recurring and transient Escherichia coli isolated from meat fabrication equipment, 90 205-211. http://dx.doi.org/10.1016/j.foodcont.2018.02.050
2018 - View publication details
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Wang, H., Badoni, M., Zawadski, S, McLeod, B., Uttaro, B., Yang, X. (2018) Storage life at 2° C or -1.5° C of beef steaks cooked by a three-step sous-vide method. CMSA/CMC Annual Meeting, May 29-31, 2018, Montreal PQ
2018 - View publication details
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Wang, H., He, A., Yang, X. (2018). Dynamics of microflora on conveyor belts in a beef fabrication facility during sanitation, 85 42-47. http://dx.doi.org/10.1016/j.foodcont.2017.09.017
2018 - View publication details
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Visvalingam, J., Ells, T.C., Yang, X. (2017). Impact of persistent and nonpersistent generic Escherichia coli and Salmonella sp. recovered from a beef packing plant on biofilm formation by E. coli O157. Journal of Applied Microbiology, [online] 123(6), 1512-1521. http://dx.doi.org/10.1111/jam.13591
2017 - View publication details
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Yang, X., Devos, J., Klassen, M.D. (2017). Inactivation of Escherichia coli O157:H7 in minute steaks cooked under selected conditions, 80(10), 1641-1647. http://dx.doi.org/10.4315/0362-028x.jfp-17-081
2017 - View publication details
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Yang, X., F. Tran, and T. Wolters. 2017. Microbial ecology of decontaminated and not decontaminated beef carcasses. J Food Res. 6:85-91.
2017 - View publication details
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Wang, H., Badoni, M., Zawadski, S., McLeod, B., Uttaro, B. and Yang, X. 2017. Effects on beef microflora of a three-step sous-vide method. International Congress of Meat Science and Technology annual conference. Cork, Ireland, August 13-18, 2017
2017 - View publication details
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Youssef, M.K, Tran, F., Zhang P., Gill, C.O. and Yang, X. 2017. Storage-life and microflora of vacuum-packaged pork loin cuts in relation to beef from the same abattoir. International Association for Food Protection annual meeting (IAFP 2017), Tampa Bay, Florida, USA, July 9-12, 2017
2017 - View publication details
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Visvalingam, J. and Yang, X. 2017. Effect of persistent and transient generic Escherichia coli and Salmonella sp. recovered from a beef packing plant on biofilm formation of Escherichia coli O157:H7. International Association for Food Protection annual meeting (IAFP 2017), Tampa Bay, Florida, USA, July 9-12, 2017. Oral presentation
2017 - View publication details
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Zhang P., and Yang, X. 2017. Variability in growth behavior of Carnobacterium isolates in medium with low initial pH. International Association for Food Protection annual meeting (IAFP 2017), Tampa Bay, Florida, USA, July 9-12, 2017
2017 - View publication details
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Visvalingam, J., Vahmani, P., Rolland, D.C., Dugan, M.E.R., Yang, X. (2017). Anti-mutagenic Properties of Mono- and Dienoic Acid Biohydrogenation Products from Beef Fat. Lipids, [online] 52(7), 651-655. http://dx.doi.org/10.1007/s11745-017-4267-9
2017 - View publication details
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Badoni, M., Klassen, M.D., Wang, H., Youssef, M.K., Devos, J., Gill, C.O., Yang, X. (2017). Development and testing of a prototype automatic trim sampler, 77 82-87. http://dx.doi.org/10.1016/j.foodcont.2017.02.005
2017 - View publication details
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Mercer, R.G., Walker, B.D., Yang, X., McMullen, L.M., Gänzle, M.G. (2017). The locus of heat resistance (LHR) mediates heat resistance in Salmonella enterica, Escherichia coli and Enterobacter cloacae, 64 96-103. http://dx.doi.org/10.1016/j.fm.2016.12.018
2017 - View publication details
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Yang, X., He, A., Badoni, M., Tran, F., Wang, H. (2017). Mapping sources of contamination of Escherichia coli on beef in the fabrication facility of a commercial beef packing plant, 75 153-159. http://dx.doi.org/10.1016/j.foodcont.2016.12.004
2017 - View publication details
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Visvalingam, J., Liu, Y., Yang, X. (2017). Impact of dry chilling on the genetic diversity of Escherichia coli on beef carcasses and on the survival of E. coli and E. coli O157. International Journal of Food Microbiology, [online] 244 62-66. http://dx.doi.org/10.1016/j.ijfoodmicro.2016.12.022
2017 - View publication details
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Liu, Y., Visvalingam, J., Youssef, M. K., and Yang X. (2017). Determination of microbiological effects of dry chilling of beef carcasses. Beef Industry Safety Summit. Houston, TX, USA, February 28-March 02, 2017
2017 - View publication details
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