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Yang, Xianqin, PhD

Research Scientist, Food safety and processing-410, Meat microbiology

Contact Information:

6000 C and E Trail
Lacombe, Alberta T4L 1W1
Telephone: 403-782-8119
Fax: 403-782-6120
Email: xianqin.yang@agr.gc.ca

Areas of Expertise:

  • Control of microbiological contamination of meat in meat production and distribution process
  • Growth or survival of pathogens and spoilage organisms on meats at chiller temperatures under aerobic and anaerobic conditions
  • Rapid quantification of pathogens using combinations of molecular and conventional approaches

Current Projects:

  • Enumeration by PCR of generic and verotoxigenic Escherichia coli from beef that survive decontamination treatments
  • Current microbiological contamination control in a large beef packing plant
  • Enumeration of bacterial spores in pasteurizer waters at beef packing plants

Affiliations:

  • Canadian Society for Microbiologists
  • Canadian Meat Science Association

Research publications

2019

2017

2016

2015

2014

2013

2012

2011

2010

2009

Other science related publications

2016

  • Badoni, M., Klassen, M.D., Visvalingam, J., Gill, C.O., and Yang, X.Q. (2016). "Development and testing of a prototype automatic beef trim sampler.", 96th Annual Conference of the Canadian Meat Council, Ottawa, Canada, 27-29 September, 2016.
  • Tran, F., Wolters, T., and Yang, X.Q. (2016). "Microflora on beef carcasses that were not or were subjected to decontaminating treatments.", Foodmicro 2016, Dublin, Ireland, 19-22 July, 2016.
  • Visvalingam, J., Liu, Y., and Yang, X.Q. (2016). "Impact of dry chilling on the genetic diversity and survival of naturally occurring Escherichia coli on beef carcasses.", International Association for Food Protection annual meeting (IAFP 2016), St Luis, Missouri, USA, 31 July-3 August, 2016.
  • Visvalingam, J., Vahmani, P., Rolland, D.C., Dugan, M.E.R, and Yang, X.Q. (2016). "Anti-mutagenic properties of mono- and polyunsaturated fatty acids and rumen biohydrogenation intermediates from beef fat.", 96th Annual Conference of the Canadian Meat Council, Ottawa, Canada, 27-29 September, 2016.
  • Wang, H. and Yang, X.Q. (2016). "Effects of the cleaning process on the microflora on conveyor belts at a beef plant.", Foodmicro 2016, Dublin, Ireland, 19-22 July, 2016.
  • Wang, H. and Yang, X.Q. (2016). "Simultaneous quantification by real-time PCR of viable Escherichia coli and E. coli O157:H7 in beef after heat treatment.", International Association for Food Protection annual meeting (IAFP 2016), St Luis, Missouri, USA, 31 July-3 August, 2016.

2015

  • Laidlaw, A., Gänzle, M.G., and Yang, X.Q. (2015). "Improving detection of EHEC on beef by targeting live cells using qPCR in conjunction with propidium monoazide and deoxycholate treatment.", Canadian Society of Microbiologists Annual Conference, Regina, Saskatchewan, Canada, June 15-18, 2015. (Poster)
  • Mercer, R.G., Zheng, J.M., Garcia-Hernandez, R., Zhang, L., Ruan, L., Yang, X.Q., Gänzle, M.G., and McMullen, L.M. (2015). "Escherichia coli does not always want to die.", 2015 Conference of the Canadian Society of Animal Science and the Canadian Meat Council, Ottawa, Canada, May 6-8, 2015. (Poster)
  • Visvalingam, J., Wang, H., Youssef, M.A., Devos, J., Gill, C.O., and Yang, X.Q. (2015). "Determination of genetic diversity of the Escherichia coli population on beef trimmings from a large beef packaging plant.", , Portland, Oregon, USA, July 25-28, 2015. (Poster)
  • Yang, X.Q. (2015). "Shelf-life of Vacuum-packed Meat – New Data, New Ideas.", , Portland, Oregon, USA, July 25-28, 2015, Invited speaker.
  • Yang, X.Q., Tran, F., Youssef, M.A., and Gill, C.O. (2015). "Determination of sources of Escherichia coli on beef by multiple-locus variable-number tandem repeat analysis.", , Portland, Oregon, USA, July 25-28, 2015, Oral presentation.

2014

  • Klassen, M.D., Badoni, M., Yang, X.Q., and Gill, C.O. (2014). "Provide guidance on appropriate labeling for Mechanically Tenderized Beef (MTB).", Alberta Livestock and Meat Agency Futurefare, Edmonton, Alberta, Canada, June 16-17, 2014. (Poster)
  • Rajagopal, S., McMullen, L.M., and Yang, X.Q. (2014). "Characterization of germination of Clostridium estertheticum spores.", 17th IUFoST World Congress of Food Science and Technology, Montreal, QC, Canada, August 17-22, 2014.
  • Wang, H., Tran, F., and Yang, X.Q. (2014). "Comparison of six DNA extraction methods with minimum elution volumes for recovery of DNA from small numbers of Escherichia coli.", 17th IUFoST World Congress of Food Science and Technology, Montreal, QC, Canada, August 17-22, 2014.
  • Yang, X.Q. (2014). "Cooking procedures for ensuring the microbiological safety of mechanically tenderized steaks.", International Association for Food Protection annual meeting (IAFP 2014), Indianapolis, Indiana, USA, USA, August 3-6, 2014.
  • Yang, X.Q. (2014). "Microbiological efficacy of an on-line hide-on beef carcass washing treatment.", International Association for Food Protection annual meeting (IAFP 2014), Indianapolis, Indiana, USA, USA, August 3-6, 2014, Invited speaker.
  • Yang, X.Q. (2014). "Microflora on vacuum packaged beef from decontaminated carcasses.", International Association for Food Protection annual meeting (IAFP 2014), Indianapolis, Indiana, USA, USA, August 3-6, 2014, Invited speaker.
  • Yang, X.Q. (2014). "Spoilage mechanisms of and potential interventions for controlling blown spoilage of vacuum packaged meat stored at chiller temperatures.", 17th IUFoST World Congress of Food Science and Technology, Montreal, QC, Canada, August 17-22, 2014.

2013

  • Rajagopal, S., McMullen, L.M., Yang, X.Q., and Gill, C.O. (2013). "Effect of pH on the Germination of Spores of Clostridium estertheticum in Meat Juice Medium.", 58th Annual Meeting of the International Association of Food Protection (IAFP 2013), Charlotte Convention Center, Charlotte, NC, USA, July 28-31, 2013.
  • Wang, H., Badoni, M., Gill, C.O., and Yang, X.Q. (2013). "Enumeration by viable PCR of Escherichia coli O157:H7 from beef that survive mild heat treatment.", Canadian Institute of Food Science and Technology Annual meeting, Edmonton, AB, Canada, May 10, 2013.
  • Wang, H., Yang, X.Q., Gill, C.O., and Badoni, M. (2013). "Enhanced selectivity of viable real-time PCR for Escherichia coli.", 93rd Annual Conference of the Canadian Meat Council, Banff, AB, Canada, May 29-31, 2013, pp. 15.
  • Yang, X.Q. and Gill, C.O. (2013). "Sources of Contamination of Generic Escherichia coli on beef.", Futurefare by Alberta Livestock and Meat Agency, Red Deer, AB, Canada, June 17-18, 2013.
  • Yang, X.Q., Bach, S.J., and Gill, C.O. (2013). Detection and enumeration by real-time PCR of food borne pathogens Salmonella, Verotoxigenic Escherichia coli and Listeria monocytogenes that survive decontaminating treatments. Research Project Annual Report. AAFC RBPI #2509. (Report)
  • Yang, X.Q., Badoni, M., Wang, H., and Gill, C.O. (2013). "Effects of the initial numbers of spores of Clostridium estertheticum on the development of blown pack spoilage of vacuum packaged beef of normal and intermediate pH.", 93rd Annual Conference of the Canadian Meat Council, Banff, AB, Canada, May 29-31, 2013, pp. 11.
  • Youssef, M.K., Badoni, M., Yang, X.Q., and Gill, C.O. (2013). "Storage Lives of Canadian Vacuum Packed Boneless and Bone-in Cuts of Beef.", 93rd Annual Conference of the Canadian Meat Council, Banff, AB, Canada, May 29-31, 2013, pp. 8.
  • Youssef, M.K., Yang, X.Q., Badoni, M., and Gill, C.O. (2013). "Survival of acid tolerant Escherichia coli O157:H7 on beef surfaces sprayed with 2% or 5% lactic acid.", 93rd Annual Conference of the Canadian Meat Council, Banff, AB, Canada, May 29-31, 2013, pp. 9.

2012

  • Mapiye, C., Dugan, M.E.R, Juárez, M., Basarab, J.A., Baron, V.S., Turner, T.D., Yang, X.Q., Aldai, N., and Aalhus, J.L. (2012). "Effect of vitamin E inclusion on trans-18:1 isomers in subcutaneous fat of steers fed a high-barley grain diet.", ADSA-AMPA-ASAS-CSAS-WSASAS 2012 Joint Annual Meeting, Hyatt Regency, Phoenix, AZ, USA, July 15-19, 2012.
  • Yang, X.Q., Badoni, M., and Gill, C.O. (2012). "Effect of mild heat treatments on numbers of survival generic and verotoxigenic Escherichia coli in populations from beef enrichments cultures.", 58th International Congress of Meat Science and Technology (ICoMST), Hilton Montréal Bonaventure, Montréal, QC, Canada, August 12-17, 2012.
  • Youssef, M.K., Yang, X.Q., Badoni, M., and Gill, C.O. (2012). "Sources of microbiological contamination on beef from carcasses dressed without decontamination at a small packing plant.", 58th International Congress of Meat Science and Technology (ICoMST), Hilton Montréal Bonaventure, Montréal, QC, Canada, August 12-17, 2012.

2011

  • Dai, M., Hamel, C., St. Arnaud, M., Grant, C.A., Lupwayi, N.Z., Janzen, H.H., Yang, X.Q., and Zhou, Z. (2011). "Composition and diversity of arbuscular mycorrhizal fungi in cropping system associated with different soil zones using pyrosequencing.", Soils Ecology Society Meeting 2011, University of British Columbia - Okanagan, Kelowna, BC, Canada, May 24-27, 2011, pp. 43.
  • Drury, C.F., Yang, J., De Jong, R., Huffman, E.C., Yang, X.Q., and Reid, D.K. (2011). "The development of environmental indicators for nitrogen: Residual Soil Nitrogen and the Indicator of Risk of Water Contamination by Nitrate.", ASA/CSSA/SSSA/CSSS International Annual Meetings 2011, San Antonio, TX, USA, October 16-19, 2011.
  • Yang, X.Q., Badoni, M., Youssef, M.K., and Gill, C.O. (2011). "Enhanced Control of Microbiological Contamination of Product at a Large Beef Packing Plant.", 15th Annual Federal Food Safety and Nutrition Research Meeting (FFSNRM), Ottawa, ON, Canada, December 6, 2011.
  • Yang, X.Q., Rajagopal, S., and Gill, C.O. (2011). "Accumulation of Spores in Hot Waters Recirculated in Beef Carcass Pasteurizers.", 15th Annual Federal Food Safety and Nutrition Research Meeting (FFSNRM), Ottawa, ON, Canada, December 6, 2011.
  • Youssef, M.K., Yang, X.Q., Badoni, M., and Gill, C.O. (2011). "Effects of spray volume, type of surface tissue and inoculum level on the survival of Escherichia coli on beef sprayed with 5% lactic acid.", 15th Annual Federal Food Safety and Nutrition Research Meeting (FFSNRM), Ottawa, ON, Canada, December 6, 2011.

2010

  • Ponmariappan, S., Yang, X.Q., and Balamurugan, S. (2010). "PCR-DGGE based characterization of microbial diversity in “Blown pack” spoiled vacuum packaged chill stored beef.", 90th Annual Conference of the Canadian Meat Council, Fairmont Empress Victoria Conference Centre, Victoria, BC, Canada, May 5-7, 2010.
  • Ponmariappan, S., Yang, X.Q., and Balamurugan, S. (2010). "PCR-DGGE based characterization of microbial diversity in “blown pack” spoiled vacuum packaged chill stored beef.", 90th Annual Conference of the Canadian Meat Council, Fairmont Empress Victoria Conference Centre, Victoria, BC, Canada, May 5-7, 2010.
  • Yang, X.Q. (2010). "Control of blown pack spoilage of vacuum packed beef.", 90th Annual Conference of the Canadian Meat Council, Fairmont Empress Victoria Conference Centre, Victoria, BC, Canada, May 5-7, 2010.
  • Yang, X.Q. and Gill, C.O. (2010). "Discrimination of live and dead Escherichia coli by treatment with propidium monoazide and PCR.", 90th Annual Conference of the Canadian Meat Council, Fairmont Empress Victoria Conference Centre, Victoria, BC, Canada, May 5-7, 2010.
  • Yang, X.Q., Badoni, M., and Gill, C.O. (2010). "Discrimination of viable and dead Escherichia coli after mild heat treatment using sodium deoxycholate and propidium monoazide.", 13th Annual Federal Food Safety and Nutrition Research Meeting (FFSNRM), Ottawa, ON, Canada, November 4-5, 2009.

2009

  • Yang, X.Q. and Ma, K. (2009). "Purification and characterization of a hydrogenase from Thermotoga hypogea.", Canadian Society of Microbiologists (CSM) 59th Annual Conference / Conférence annuelle de la Société Canadienne des Microbiologistes (SCM), Concordia University, Montréal, QC, Canada, June 15-18, 2009.
  • Yang, X.Q., Balamurugan, S., and Gill, C.O. (2009). "Effects of the initial numbers of Clostridium estertheticum and Leuconostoc on rates of distension of vacuum packs of beef.", 13th Annual Federal Food Safety and Nutrition Research Meeting (FFSNRM), Ottawa, ON, Canada, November 4-5, 2009.
  • Yang, X.Q., Balamurugan, S., and Gill, C.O. (2009). "Quantification of spores of Clostridium estertheticum by real-time PCR.", 13th Annual Federal Food Safety and Nutrition Research Meeting (FFSNRM), Ottawa, ON, Canada, November 4-5, 2009.
  • Yang, X.Q., Gill, C.O., and Balamurugan, S. (2009). "Criteria that differentiate subspecies of Clostridium estertheticum are not valid.", 89th Annual Conference of the Canadian Meat Council, Fairmont Queen Elizabeth Hotel, Montréal, QC, Canada, May 6-8, 2009.
  • Yang, X.Q., Gill, C.O., and Balamurugan, S. (2009). "Effects of temperature and pH on organisms from the spoilage flora of blown vacuum packs of beef.", 89th Annual Conference of the Canadian Meat Council, Fairmont Queen Elizabeth Hotel, Montréal, QC, Canada, May 6-8, 2009.
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