BioMed Research International

Research Article

Virulence Factors Associated with Pediatric Shigellosis in Brazilian Amazon

Table 3

Frequencies and distribution of virulence genes and antimicrobial resistance of Shigella spp. and symptoms presented by children.
Isolates Shigella species by 16S RNA geneipaBCD ipaH set-1A set-1B Sen/ospD3 ial virF evt invE Antimicrobial resistanceVomitingDehydrationBlood in stoolFecal Occult Blood
2flexneri +  + +     ++ 
53dysenteriae +      + tet    
80flexneri +++ ++   amp, amk, amc, clo, tet+  +
85flexneri ++++++  +amp, clo, tet +++
97flexneri +++ ++  +amp, clo, tet +  
113flexneri ++  +    clo, tet+  +
183sonnei +++  +   gen, tet+   
190dysenteriae +      ++ +   
192boydii +  + ++++tet    
199flexneri +++ +++  tet+  +
201flexneri +++++++  amp, cef, tet +  
202flexneri +++       amp, tet   +
279sonnei + ++  +   tet++  
337flexneri + ++  + + ++  
539sonnei + +  +    tet ++ 
562sonnei ++ ++++ +gen, tet++ +
586sonnei +++ +++ +amp, amk, amc, clo, tet + +
625flexneri ++++++  + amp, cip, clo, tet +++
837flexneri + ++ +   tet++++
873flexneri + ++  +  tet +++
883sonnei ++ +    +amp, tet++ +
893flexneri +++ ++   gen, tet   +
956boydii + +++++ +tet++ +
1039flexneri ++ +     amp, clo, tet++++
1065flexneri +  +     amp, clo, ++  
1118flexneri +++++++ + tet++++
1124sonnei ++    +   amp, tet++++
1163flexneri ++          ++
1234sonnei +++++++ + amp, clo, tet++ +
1257flexneri ++++  + + gen +  
 Frequencies 100.063.363.356.743.356.743.310.043.3 53.366.733.360.0
+: Positive.
Abbreviations of antibiotics tested: amk: amikacin, amc: amoxicillin/clavulanic acid, amp: ampicillin, cip: ciprofloxacin, clo: chloramphenicol, cro: ceftriaxone, gen: gentamicin, and tet: tetracycline.