Listeria monocytogenes

Listeria monocytogenes is a Gram-positive foodborne pathogen^1^ that causes a severe, but rare foodborne disease. A publication by published by Scallan et al.² in 2011 estimated that 1455 human foodborne listeriosis cases, including 255 deaths, occur annually in the US.

Key laboratories studying various aspects of foodborne listeriosis in the US and Canada include:
Boor laboratory, Cornell University
Wiedmann laboratory,Cornell University
Nightingale laboratory, Colorado State University
Sofos laboratory, Colorado State University 
Oliver laboratory, Purdue University
Buhnia laboratory, Purdue University
Ryser laboratory, Michigan State University
Zhang laboratory, Illinois Institute of Technology
Kathariou laboratory, North Carolina State University, US
Griffiths laboratory, University of Guelph, Canada 

Key laboratories studying various aspects of foodborne listeriosis in Europe include:
 
Wagner Laboratory, University of Veterinary Medicine, Vienna
Korkeala Laboratory, University of Helsinki, Finland

Hill laboratory, University of Cork, Ireland

Key laboratories studying various aspects of foodborne listeriosis in South and Latin America include:

González labortory, University of Concepcion, Chile

Key laboratories studying various aspects of foodborne listeriosis in Asia and Australia include:

Weihuan Fang laboratory, Zhejiang University, Hangzhou, China

  References
^1^http://en.wikipedia.org/wiki/Listeria_monocytogenes
² Scallan et al. 2011.Emerging Infectious Diseases 17:7-15  PMID:21192848