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Volume 25, Number 4—April 2019
Research

Pneumonia-Specific Escherichia coli with Distinct Phylogenetic and Virulence Profiles, France, 2012–2014

Béatrice La Combe, Olivier Clermont, Jonathan Messika, Matthieu Eveillard, Achille Kouatchet, Sigismond Lasocki, Stéphane Corvec, Karim Lakhal, Typhaine Billard-Pomares, Romain Fernandes, Laurence Armand-Lefevre, Sandra Bourdon, Jean Reignier, Vincent Fihman, Nicolas de Prost, Julien Bador, Julien Goret, Frederic Wallet, Erick Denamur, Jean-Damien RicardComments to Author , on behalf of the COLOCOLI group
Author affiliations: Infection, Antimicrobiens, Modélisation, Évolution, Paris, France (B. La Combe, O. Clermont, J. Messika, T. Billard-Pomares, R. Fernandes, L. Armand-Lefevre, E. Denamur, J.-D. Ricard); Université Paris Diderot, Paris (B. La Combe, O. Clermont, J. Messika, T. Billard-Pomares, R. Fernandes, L. Armand-Lefevre, E. Denamur, J.-D. Ricard); Hôpital Louis Mourier, Colombes, France (B. La Combe, J. Messika, T. Billard-Pomares, R. Fernandes, J.-D. Ricard); Centre Hospitalier Universitaire, Angers, France (M. Eveillard, A. Kouatchet, S. Lasocki); Centre Hospitalier Universitaire, Nantes, France (S. Corvec, J. Reignier); Hôpital Laënnec, Nantes (K. Lakhal); Hôpital Bichat, AP-HP, Paris (L. Armand-Lefevre, E. Denamur); Centre Hospitalier Départemental Vendée, La Roche-sur-Yon, France (S. Bourdon); Hôpital Henri Mondor, AP-HP, Créteil, France (V. Fihman, N. de Prost); Centre Hospitalier Universitaire Bocage Central, Dijon, France (J. Bador); Centre Hospitalier Universitaire Pellegrin, Bordeaux, France (J. Goret); Centre Hospitalier Régional Universitaire, Lille, France (F. Wallet)

Main Article

Table 4

Phylogenetic groups/subgroups of Escherichia coli isolated from 260 pneumonia patients requiring mechanical ventilation, France, 2012–2014*

Phylogroup No. (%)
A
 22 (8.5)
B1 26 (10)
CC87† 11 (42.3)
Non-CC87
 15 (57.7)
B2 155 (59.6)
I ST131† 18 (11.6)
I non-ST131 6 (3.9)
II 40 (25.8)
III 16 (10.3)
IV 20 (12.9)
V 1 (0.6)
VI 14 (9)
VII 3 (1.9)
IX 14 (9)
Unassigned
 23 (14.8)
C
 20 (7.7)
D 25 (9.6)
CGA† 20 (80)
Non-CGA
 5 (20)
F
 11 (4.2)
Clade I 1 (0.4)

*Nosocomial isolates encompass ventilator-associated pneumonia and hospital-acquired pneumonia isolates. CC87, clonal complex 87 (sequence type complex [STc] 155) (19); CGA, clonal group A (STc69) (21); ST131, sequence type 131
The correspondence with the Achtman MLST schema is as follows: subgroup I, STc131; subgroup II, STc73; subgroup III, STc127; subgroup IV, STc141; subgroup V, STc144; subgroup VI ,STc12; subgroup VII, STc14; subgroup IX, STc95. No isolate belonged to subgroup VIII (STc452), X (STc372), or E phylogroup (22).
†Proportions of subgroups are reported as fractions of the respective phylogroups.

Main Article

1Group members are listed at the end of this article.

Page created: March 04, 2019
Page updated: March 04, 2019
Page reviewed: March 04, 2019
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