2018
DOI: 10.1128/aac.00831-18
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Acquisition of Beta-Lactamase by Neisseria meningitidis through Possible Horizontal Gene Transfer

Abstract: We report the detection in France of a beta-lactamase-producing invasive meningococcal isolate. Whole-genome sequencing of the isolate revealed a ROB-1-type beta-lactamase gene that is frequently encountered in , suggesting horizontal transfer between isolates of these bacterial species. Beta-lactamases are exceptional in meningococci, with no reports for more than 2 decades. This report is worrying, as the expansion of such isolates may jeopardize the effective treatment against invasive meningococcal disease. Show more

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Cited by 22 publications
(10 citation statements)
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“…In contrast, the Italian isolate 2816 was found to lack the insert, and hence lacked the bla ROB-1 gene, and was also found to have 241 and 238 gene allele differences from NMLY144 and M17 240005, respectively. During revision of our manuscript, a serogroup Y invasive N. meningitidis strain resistant to penicillin due to acquisition of the bla ROB-1 gene has been reported in France 48 . The origin of the bla ROB-1 gene in this strain was also suggested to be the H. influenzae plasmid pB1000 because 100% identity was found between the bla ROB-1 genes in these two organisms.…”
Section: Discussionmentioning
confidence: 85%
“…In contrast, the Italian isolate 2816 was found to lack the insert, and hence lacked the bla ROB-1 gene, and was also found to have 241 and 238 gene allele differences from NMLY144 and M17 240005, respectively. During revision of our manuscript, a serogroup Y invasive N. meningitidis strain resistant to penicillin due to acquisition of the bla ROB-1 gene has been reported in France 48 . The origin of the bla ROB-1 gene in this strain was also suggested to be the H. influenzae plasmid pB1000 because 100% identity was found between the bla ROB-1 genes in these two organisms.…”
Section: Discussionmentioning
confidence: 85%
“…It is well documented, however, that invasive N. meningitidis species are becoming more resistant to such treatments. 53 Resistance to this specific class of antibiotics is rarely due to beta-lactamase producing meningococci. 54 More frequently in N. meningitides , mutations in penicillin-binding proteins within bacterial species may also limit the effectiveness of penicillin and are the leading cause of reduced susceptibility among meningoccoci.…”
Section: Antibiotic Resistancementioning
confidence: 99%
“…A 2-day course of rifampin or a single injection of ceftriaxone are recommended alternatives to ciprofloxacin for prophylaxis of contacts of persons with meningococcal disease (4) but are logistically more challenging to administer. A single dose of azithromycin can also be used for prophylaxis in communities where ciprofloxacin-resistant meningococci have been detected; however, there is only a (6) and France (10). The potential circulation of penicillin-resistant or ciprofloxacin-resistant meningococci in other countries merits further investigation.…”
Section: Discussionmentioning
confidence: 99%