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Volume 23, Number 9—September 2017

Research

Real-Time Whole-Genome Sequencing for Surveillance of Listeria monocytogenes, France

Alexandra Moura1, Mathieu Tourdjman1, Alexandre Leclercq1, Estelle Hamelin, Edith Laurent, Nathalie Fredriksen, Dieter Van Cauteren, Hélène Bracq-Dieye, Pierre Thouvenot, Guillaume Vales, Nathalie Tessaud-Rita, Mylène M. Maury, Andreea Alexandru, Alexis Criscuolo, Emmanuel Quevillon, Marie-Pierre Donguy, Vincent Enouf, Henriette de Valk, Sylvain Brisse2, and Marc Lecuit2Comments to Author 
Author affiliations: Institut Pasteur, Paris, France (A. Moura, A. Leclercq, H. Bracq-Dieye, P. Thouvenot, G. Vales, N. Tessaud-Rita, M. Maury, A. Alexandru, A. Criscuolo, E. Quevillon, V. Enouf, S. Brisse, M. Lecuit); Institut National de la Santé et de la Recherche Médicale Unité 1117, Paris (A. Moura, M.M. Maury, M. Lecuit); Santé Publique France, Saint-Maurice, France (M. Tourdjman, E. Laurent, D. Van Cauteren, H. de Valk); Ministry of Agriculture, Agrifood, and Forestry, Paris (E. Hamelin, N. Fredriksen, M.-P. Donguy); Paris Descartes University, Paris (M. Lecuit); Necker-Enfants Malades University Hospital, Paris (M. Lecuit)

Main Article

Table 2

Clusters of cgMLST types involving >2 human cases for surveillance of Listeria monocytogenes, France*

cgMLST alert cgMLST type (L-SL-ST-CT) No. human cases Minimum cgMLST similarity, % Confirmed food source according to cgMLST investigation
FR001 L2-SL475-ST504-CT941 9 99.6 NI
FR002 L2-SL14-ST14-CT1265 7 99.8 NI
FR004 L2-SL18-ST18-CT663 2 99.9 NI
FR005 L2-SL18-ST18-CT660 2 99.9 Dairy (raw milk cheese)
FR005a L2-SL9-ST9-CT1044 2 99.9 NI
FR006 L2-SL16-ST16-CT795 4 100.0 NI
FR007 L2-SL37-ST37-CT572 5 99.9 NI
FR008 L2-SL207-ST207-CT856 2 99.6 NI
FR009 L2-SL71-ST7-CT745 5 99.8 NI
FR009a L2-SL7-ST7-CT739 2 99.8 NI
FR010 L2-SL451-ST451-CT800 2 99.9 NI
FR011 L1-SL1-ST1-CT1418 4 99.7 NI
FR012 L1-SL1-ST1-CT288 4 99.9 NI
FR013 L1-SL1-ST1-CT300 11 99.9 NI
FR015 L1-SL1-ST1-CT247 2 99.8 NI
FR016 L1-SL1-ST1-CT1394 3 99.9 Dairy (raw goat milk cheese)
FR017 L1-SL1-ST1-CT1401 2 100.0 NI
FR019 L1-SL2-ST2-CT376 2 99.7 NI
FR021 L1-SL6-ST6-CT443 3 99.7 NI
FR022 L1-SL6-ST6-CT1473 4 99.8 NI
FR023 L1-SL6-ST6-CT1465 3 99.9 NI
FR024 L1-SL6-ST6-CT1474 3 99.6 Meat (handmade paté)
FR025 L1-SL6-ST6-CT1475 2 99.8 NI
FR026 L1-SL4-ST4-CT1341 2 99.7 NI
FR027 L1-SL4-ST4-CT168 10 99.9 NI
FR028 L1-SL4-ST4-CT1351 2 99.9 Meat (sausage)
FR030 L1-SL54-ST54-CT1503 6 99.9 Meat (sausage)
FR031 L1-SL77-ST77-CT48 11 99.9 Meat (sausage)
FR032 L1-SL5-ST5-CT1320 2 99.9 NI
FR034 L1-SL5-ST5-CT1331 4 99.9 NI
FR035 L1-SL224-ST224-CT1276 3 99.9 Dairy (raw milk cheese)
FR036 L1-SL54-ST54-CT1501 2 99.8 NI
FR037 L2-SL412-ST412-CT1169 2 99.9 NI
FR038 L2-SL155-ST155-CT1170 3 99.8 NI
FR039 L1-SL1-ST1-CT1424 3 100.0 NI
FR041 L1-SL5-ST5-CT1325 6 99.9 NI
FR045 L1-SL4-ST4-CT165 2 99.7 NI
FR047 L2-SL7-ST7-CT1138 5 99.8 NI
FR051 L2-SL9-ST9-CT594 2 99.7 NI
FR053 L2-SL8-ST8-CT1147 2 99.9 NI
FR054 L1-SL5-ST5-CT1326 2 100.0 NI
FR055 L2-SL403-ST403-CT1107 3 100.0 NI
FR057 L1-SL77-ST77-CT49 7 100.0 NI
FR058 L2-SL7-ST624-CT1142 5 99.8 NI
FR059 L1-SL6-ST6-CT1460 2 99.7 Dairy (raw milk cheese)
FR061 L1-SL6-ST6-CT1486 3 99.9 NI
FR062 L1-SL4-ST4-CT1363 3 99.8 NI
FR066 L2-SL20-ST20-CT1081 2 99.9 NI
FR067 L1-SL2-ST2-CT1533 2 99.7 NI
FR068 L2-SL8-ST8-CT1151 2 99.6 NI
FR069 L1-SL1-ST1-CT1415 2 99.9 NI
FR070 L1-SL59-ST59-CT1281 2 99.8 Dairy (raw milk cheese)
FR071 L2-SL37-ST37-CT1604 3 99.6 NI
FR073 L1-SL1-ST1-CT2060 2 99.9 NI
FR075 L1-SL59-ST59-CT1728 3 99.9 NI
FR076 L1-SL5-ST5-CT1308 2 99.7 NI
FR079 L2-SL18-ST18-CT1420 4 99.8 NI
FR081 L1-SL6-ST6-CT1977 2 99.8 NI
FR082 L2-SL200-ST200-CT1641 2 99.9 Meat (dried sausage)
FR083 L1-SL1-ST1-CT2056 22 99.7 Dairy (cheese)
FR084 L1-SL87-ST87-CT1294 2 99.9 NI
FR085 L1-SL6-ST6-CT1488 2 99.9 NI
FR086 L2-SL8-ST8-CT1154 2 99.7 NI
FR087 L2-SL7-ST7-CT1863 2 99.7 Dairy (raw cow milk cheese)
FR088 L2-SL415-ST394-CT1111 2 99.8 NI
FR091 L2-SL155-ST155-CT1171 3 99.7 NI
FR096 L1-SL1-ST1-CT2072 2 99.9 NI
FR097 L1-SL4-ST4-CT1357 2 100.0 NI
FR098 L1-SL4-ST4-CT1339 2 99.8 NI
FR099 L2-SL8-ST8-CT1929 2 99.9 NI
FR104 L1-SL1-ST1-CT1982 2 99.9 NI
FR105 L2-SL101-ST101-CT2118 2 99.9 NI
FR106 L1-SL1-ST1-CT1381 2 99.9 NI
FR107 L1-SL1-ST1-CT1396 2 99.9 NI
FR108 L1-SL4-ST408-CT1365 2 99.6 NI
FR109 L1-SL87-ST87-CT1743 4 99.7 NI
FR111 L2-SL14-ST14-CT958 2 99.9 NI
FR119 L1-SL220-ST220-CT1432 2 99.8 NI
FR121 L2-SL101-ST101-CT1526 2 99.9 NI
FR122 L1-SL1-ST1-CT2055 2 99.7 NI
FR123 L1-SL87-ST87-CT1293 2 99.7 NI
FR124 L1-SL5-ST5-CT1987 2 99.9 NI

*cgMLST, core genome multilocus sequence typing. NI, not identified.

Main Article

1These authors contributed equally to this article.

2These authors were co-senior authors.

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