Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 29, Number 12—December 2023
Research Letter

Genome-Based Characterization of Listeria monocytogenes, Costa Rica

María Giralt-Zúñiga12, Mauricio Redondo-Solano1, Alexandra Moura1, Nathalie Tessaud-Rita, Hélène Bracq-Dieye, Guillaume Vales, Pierre Thouvenot, Alexandre Leclercq, Carolina Chaves-Ulate, Kattia Núñez-Montero3, Rossy Guillén-Watson, Olga Rivas-Solano, Grettel Chanto-Chacón, Francisco Duarte-Martínez, Vanessa Soto-Blanco, Javier Pizarro-Cerdá, and Marc LecuitComments to Author 
Author affiliations: Institut Pasteur, Université Paris Cité, Inserm U1117, Biology of Infection Unit, National Reference Center, and WHO Collaborating Center Listeria, Paris, France (M. Giralt-Zúñiga, M. Redondo-Solano, A. Moura, N. Tessaud-Rita, H. Bracq-Dieye, G. Vales, P. Thouvenot, A. Leclercq, J. Pizarro-Cerdá, M. Lecuit); Instituto Tecnológico de Costa Rica, Cartago, Costa Rica (M. Giralt-Zúñiga, K. Núñez-Montero, R. Guillén-Watson, O. Rivas-Solano); University of Costa Rica, San José, Costa Rica (M. Redondo-Solano, C. Chaves-Ulate); Instituto Costarricense de Investigación y Enseñanza en Nutrición y Salud, Tres Rios, Costa Rica (G. Chanto-Chacón, F. Duarte-Martínez); National Animal Health Service, Heredia, Costa Rica (V. Soto-Blanco); Necker Enfants Malades University Hospital, APHP, Institut Imlagine, Paris (M. Lecuit)

Main Article

Table

Sequence types identified in a genome-based characterization of Listeria monocytogenes, Costa Rica*

cgMLST type CC Serogroup No. isolates (%)
 Food type Isolation years Genetic resistance traits
Total, n = 92 Clinical, n = 16 Nonclinical, n = 76
L1-SL2-ST2-CT2715
 CC2
 IVb
 8 (9)
 4 (25)
 4 (5)
 Dairy, meat
 2009, 2011, 2013, 2016–2017
 bcrABC, qacA, LGI-2
L1-SL2-ST2-CT6120
 CC2
 IVb
 10 (11)
 2 (13)
 8 (9)
 Dairy
 2010, 2013, 2016, 2018–2019
 qacA, LGI-2
L1-SL2-ST2-CT2718
 CC2
 IVb
 5 (5)
 1 (6)
 4 (5)
 Dairy
 2016, 2019
 qacA
L1-SL2-ST1251-CT2780
 CC2
 IVb
 3 (3)
 1 (6)
 2 (3)
 Meat
 2015–2016, 2018
 qacA
L1-SL3-ST3-CT2730
 CC3
 IIb
 9 (10)
 0
 9 (10)
 Fish, meat
 2016
 bcrABC, SSI-1
L1-SL2-ST2-CT6072
 CC2
 IVb
 5 (5)
 0
 5 (7)
 Dairy
 2019
 LGI-2
L1-SL2-ST1627-CT6041
 CC2
 IVb
 5 (5)
 0
 5 (7)
 Dairy
 2018–2019
 LGI-2
L1-SL87-ST847-CT65
 CC87
 IIb
 2 (2)
 0
 2 (3)
 Meat
 2016, 2019
 NA
L1-SL3-ST1262/ST2762-CT2781
 CC3
 IIb
 2 (2)
 0
 2 (3)
 Dairy
 2013
 SSI-1
L1-SL5-ST5-CT2793
 CC5
 IIb
 2 (2)
 0
 2 (3)
 Fish, meat
 2016
 bcrABC, SSI-1
L1-SL2-ST2-CT2762 CC2 IVb 2 (2) 0 2 (3) Mushrooms 2011 LGI-2

*Table includes types detected in this study comprising >2 isolates with a cutoff of 7 allelic differences, n = 11/48. CC, clonal complex; cgMLST, core-genome multilocus sequence typing; LGI, Listeria genomic island; NA, not applicable; SSI, stress survival islet.

Main Article

1These first authors contributed equally to this article.

2Current affiliation: Humboldt-Universität zu Berlin, Berlin, Germany.

3Current affiliation: Universidad Autónoma de Chile, Temuco, Chile.

Page created: October 13, 2023
Page updated: November 18, 2023
Page reviewed: November 18, 2023
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external