Recovery of Salmonella, Listeria monocytogenes, and Mycobacterium bovis from cheese entering the United States through a noncommercial land port of entry

Hailu Kinde, Andrea Mikolon, Alfonso Rodriguez-Lainz, Cathy Adams, Richard L. Walker, Shannon Cernek-Hoskins, Scarlett Treviso, Michele Ginsberg, Robert Rast, Beth Harris, Janet B. Payeur, Steve Waterman, Alex Ardans

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

A joint multiagency project was initiated in response to a Salmonella outbreak in San Diego County, California, in 2004. Samples of cheese were collected during four 1-day operations at the San Ysidro port of entry, along the United States-Mexico border. Surveyed participants were persons crossing the border as pedestrians or in vehicles who had a minimum of 2.27 kg of cheese, which may suggest a potential diversion to illegal marketing. In addition, data were collected about the cheese to identify risk factors for cheese contamination. Two hundred four cheese samples were submitted to the California Animal Health and Food Safety Laboratory System-San Bernardino Branch and analyzed for potential food pathogens. Ninety-four percent (190 of 203) of the samples tested positive for alkaline phosphatase. Salmonella was detected from 13% (27 of 204) of the samples comprising 11 serogroups and 28 serotypes. Pulsed-field gel electrophoresis DNA fingerprinting analysis, performed following standardized methods, determined that an isolate obtained from this study had an indistinguishable pattern from a recent Salmonella enterica serovar Typhimurium var. Copenhagen epidemic in the San Diego County that was linked to 14 illnesses. Listeria spp. were detected from 4% (8 of 204) of the samples, and of these, half were identified as L. monocytogenes. Escherichia coli O157:H7 was not detected from any of the samples. Mycobacterium bovis was detected from one panela-style cheese sample. Nine additional samples yielded Mycobacterium spp.

Original languageEnglish (US)
Pages (from-to)47-52
Number of pages6
JournalJournal of Food Protection
Volume70
Issue number1
StatePublished - Jan 2007

Fingerprint

Mycobacterium bovis
Cheese
Listeria monocytogenes
Salmonella
cheeses
sampling
Hazard Analysis and Critical Control Points
serotypes
Listeria
Salmonella enterica
Escherichia coli O157
DNA Fingerprinting
Pulsed Field Gel Electrophoresis
Emigration and Immigration
Mycobacterium
Mexico
Marketing
Disease Outbreaks
Alkaline Phosphatase
pulsed-field gel electrophoresis

ASJC Scopus subject areas

  • Food Science
  • Applied Microbiology and Biotechnology
  • Biotechnology

Cite this

Recovery of Salmonella, Listeria monocytogenes, and Mycobacterium bovis from cheese entering the United States through a noncommercial land port of entry. / Kinde, Hailu; Mikolon, Andrea; Rodriguez-Lainz, Alfonso; Adams, Cathy; Walker, Richard L.; Cernek-Hoskins, Shannon; Treviso, Scarlett; Ginsberg, Michele; Rast, Robert; Harris, Beth; Payeur, Janet B.; Waterman, Steve; Ardans, Alex.

In: Journal of Food Protection, Vol. 70, No. 1, 01.2007, p. 47-52.

Research output: Contribution to journalArticle

Kinde, H, Mikolon, A, Rodriguez-Lainz, A, Adams, C, Walker, RL, Cernek-Hoskins, S, Treviso, S, Ginsberg, M, Rast, R, Harris, B, Payeur, JB, Waterman, S & Ardans, A 2007, 'Recovery of Salmonella, Listeria monocytogenes, and Mycobacterium bovis from cheese entering the United States through a noncommercial land port of entry', Journal of Food Protection, vol. 70, no. 1, pp. 47-52.
Kinde, Hailu ; Mikolon, Andrea ; Rodriguez-Lainz, Alfonso ; Adams, Cathy ; Walker, Richard L. ; Cernek-Hoskins, Shannon ; Treviso, Scarlett ; Ginsberg, Michele ; Rast, Robert ; Harris, Beth ; Payeur, Janet B. ; Waterman, Steve ; Ardans, Alex. / Recovery of Salmonella, Listeria monocytogenes, and Mycobacterium bovis from cheese entering the United States through a noncommercial land port of entry. In: Journal of Food Protection. 2007 ; Vol. 70, No. 1. pp. 47-52.
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