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Volume 27, Number 11—November 2021
Research Letter

Nonclonal Burkholderia pseudomallei Population in Melioidosis Case Cluster, Sri Lanka

Himali S. Jayasinghearachchi, Vaithehi R. Francis, Harindra D. Sathkumara, Shivankari Krishnananthasivam, Jayanthi Masakorala, Thilini Muthugama, Aruna D. De SilvaComments to Author , and Enoka M. CoreaComments to Author 
Author affiliations: General Sir John Kotelawala Defense University, Ratmalana, Sri Lanka (H.S. Jayasinghearachchi, T. Muthugama, A.D. De Silva); Eastern University, Vantharumoolai, Sri Lanka (V.R. Francis); Genetech Research Institute, Colombo, Sri Lanka (H.D. Sathkumara, S. Krishnananthasivam); University of Colombo, Colombo (J. Masakorala, E.M. Corea)

Main Article

Table

Characteristics of Burkholderia pseudomallei isolates from cluster cases of melioidosis after heavy rain, Sri Lanka*

Characteristic Isolate 114 Isolate 122 Isolate133
Sequence type 594 594 594
Clade BTFC BTFC BTFC
BimA allele type
BimABm
 BimABp
 BimABP
No. prophages in chromosome 1 6 1 6
No. prophages in chromosome 2
 1
 1
 1
No. intact phages 0 2 0
Presence or absence of intact prophage PHAGE_Burkho_phiE202_NC_009234
 Absent
 Present
 Absent
GIs identified GI1, GI4, GI5, GI6, GI7, GI8, GI9, GI8.i, GI8.ii, GI11, GI12, GI13, GI14, GI16 GI1. GI2, GI4, GI6, GI7, GI8, GI8.i, GI8.ii, GI11, GI12, GI13, GI14, GI16 GI1, GI4, GI6, GI7, GI8, GI8.i, GI8.ii, GI11, GI12, GI13, GI14, GI16
GIs located next to tRNA genes GI7 GI2, GI4 GI7, GI8
GIs containing phage or site-specific integrases GI4, GI7, GI15i GI7, GI15i GI4, GI7, GI15i
GIs containing prophage DNA GI7, GI4, GI15i, GI13 GI2, GI7, GI15i, GI13 GI4, GI7, GI15i, GI13
No. transposable elements in GI8 7 6 6
New GI15i
 GI15i
 GI15i
 GI15i
No. integrases 2 2 2

*BTFC, B. thailandensis–like flagellum and chemotaxis; GI, genomic island.

Main Article

Page created: August 11, 2021
Page updated: October 19, 2021
Page reviewed: October 19, 2021
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.
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