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Ribotypes of clinical Vibrio cholerae non-O1 non-O139 strains in relation to O-serotypes.
Dalsgaard A, Forslund A, Mortensen HF, Shimada T. Dalsgaard A, et al. Epidemiol Infect. 1998 Dec;121(3):535-45. doi: 10.1017/s0950268898001654. Epidemiol Infect. 1998. PMID: 10030702 Free PMC article.
By cluster analysis, the strains were divided into several clusters of low similarity suggesting a high level of genetic diversity. A low degree of similarity between serotypes and ribotypes was found as strains within a specific serotypes often did not clust …
By cluster analysis, the strains were divided into several clusters of low similarity suggesting a high level of genetic diversity. …
Vibrio cholerae O1 outbreak isolates in Mozambique and South Africa in 1998 are multiple-drug resistant, contain the SXT element and the aadA2 gene located on class 1 integrons.
Dalsgaard A, Forslund A, Sandvang D, Arntzen L, Keddy K. Dalsgaard A, et al. J Antimicrob Chemother. 2001 Dec;48(6):827-38. doi: 10.1093/jac/48.6.827. J Antimicrob Chemother. 2001. PMID: 11733467
PCR and DNA sequencing revealed that the chromosomally located resistance determinants present included an aadA2 gene cassette contained in a class 1 integron; the SXT element, which is a transposon-like element containing resistance genes; and the tetA gene. A
PCR and DNA sequencing revealed that the chromosomally located resistance determinants present included an aadA2 gene cassette contained in …
Clinical and environmental isolates of Vibrio cholerae serogroup O141 carry the CTX phage and the genes encoding the toxin-coregulated pili.
Dalsgaard A, Serichantalergs O, Forslund A, Lin W, Mekalanos J, Mintz E, Shimada T, Wells JG. Dalsgaard A, et al. J Clin Microbiol. 2001 Nov;39(11):4086-92. doi: 10.1128/JCM.39.11.4086-4092.2001. J Clin Microbiol. 2001. PMID: 11682534 Free PMC article.
Ribotyping and CT typing showed that the O141 clinical isolates were indistinguishable or closely related, while a toxigenic water isolate from Louisiana showed a distantly related ribotype. Nonclinical O141 isolates displayed a variety of unrelated ribotypes …
Ribotyping and CT typing showed that the O141 clinical isolates were indistinguishable or closely related, while a toxigenic water is …
Clinical manifestations and characterization of extra-intestinal Vibrio cholerae non-O1, non-O139 infections in Denmark.
Dalsgaard A, Forslund A, Hesselbjerg A, Bruun B. Dalsgaard A, et al. Clin Microbiol Infect. 2000 Nov;6(11):625-7. doi: 10.1046/j.1469-0691.2000.00174.x. Clin Microbiol Infect. 2000. PMID: 11168070 No abstract available.
A high proportion of Vibrio cholerae strains isolated from children with diarrhoea in Bangkok, Thailand are multiple antibiotic resistant and belong to heterogenous non-O1, non-O139 O-serotypes.
Dalsgaard A, Forslund A, Bodhidatta L, Serichantalergs O, Pitarangsi C, Pang L, Shimada T, Echeverria P. Dalsgaard A, et al. Epidemiol Infect. 1999 Apr;122(2):217-26. doi: 10.1017/s0950268899002137. Epidemiol Infect. 1999. PMID: 10355785 Free PMC article.
Results of a surveillance on cholera conducted with patients seen at the Children Hospital in Bangkok, Thailand from August 1993 to July 1995 are presented. ...None of the 69 strains hybridized with a cholera toxin probe and only two strains hybridized with a
Results of a surveillance on cholera conducted with patients seen at the Children Hospital in Bangkok, Thailand from August 1993 to J …
Traditional ribotyping shows a higher discrimination than the automated RiboPrinter system in typing Vibrio cholerae O1.
Dalsgaard A, Forslund A, Fussing V. Dalsgaard A, et al. Lett Appl Microbiol. 1999 Apr;28(4):327-33. doi: 10.1046/j.1365-2672.1999.00523.x. Lett Appl Microbiol. 1999. PMID: 10212447
The lower discrimination shown by the RiboPrinter system was caused mainly by an inability to differentiate closely located fragments due to a lower resolution and electrophoresis conditions, a parameter which cannot be changed in the automated system. The RiboPrint …
The lower discrimination shown by the RiboPrinter system was caused mainly by an inability to differentiate closely located fragments due to …
Cholera in Vietnam: changes in genotypes and emergence of class I integrons containing aminoglycoside resistance gene cassettes in vibrio cholerae O1 strains isolated from 1979 to 1996.
Dalsgaard A, Forslund A, Tam NV, Vinh DX, Cam PD. Dalsgaard A, et al. J Clin Microbiol. 1999 Mar;37(3):734-41. doi: 10.1128/JCM.37.3.734-741.1999. J Clin Microbiol. 1999. PMID: 9986842 Free PMC article.
In contrast to strains isolated before 1991, 94% of 104 strains isolated after 1990 showed an identical ribotype R1, were resistant to sulfamethoxazole and streptomycin, and showed a different CT genotype. Furthermore, PCR analysis revealed that sulfamethoxazole-resistant …
In contrast to strains isolated before 1991, 94% of 104 strains isolated after 1990 showed an identical ribotype R1, were resistant to sulfa …
Molecular evidence that a distinct Vibrio cholerae O1 biotype El Tor strain in Calcutta may have spread to the African continent.
Sharma C, Ghosh A, Dalsgaard A, Forslund A, Ghosh RK, Bhattacharya SK, Nair GB. Sharma C, et al. J Clin Microbiol. 1998 Mar;36(3):843-4. doi: 10.1128/JCM.36.3.843-844.1998. J Clin Microbiol. 1998. PMID: 9508329 Free PMC article.
We present molecular evidence that a distinct genotype of Vibrio cholerae O1 which appeared in Calcutta, India, in September 1993 and which is characterized by a unique ribotype that is not found in the standardized ribotyping scheme of V. cholerae and that shows …
We present molecular evidence that a distinct genotype of Vibrio cholerae O1 which appeared in Calcutta, India, in September 1993 and …
Phenotypic and molecular characterization of Vibrio cholerae O1 isolated in Samutsakorn, Thailand before, during and after the emergence of V. cholerae O139.
Dalsgaard A, Serichantalergs O, Forslund A, Pitarangsi C, Echeverria P. Dalsgaard A, et al. Epidemiol Infect. 1998 Oct;121(2):259-68. doi: 10.1017/s0950268898001125. Epidemiol Infect. 1998. PMID: 9825775 Free PMC article.
A subgroup of V. cholerae O1 strains isolated before the emergence of the 0139 epidemic had a ribotype identical to a type demonstrated by 0139 strains isolated in Thailand. Our results support similar findings in Bangladesh and India that a distinct O
A subgroup of V. cholerae O1 strains isolated before the emergence of the 0139 epidemic had a ribotype identical to a t
Distribution and content of class 1 integrons in different Vibrio cholerae O-serotype strains isolated in Thailand.
Dalsgaard A, Forslund A, Serichantalergs O, Sandvang D. Dalsgaard A, et al. Antimicrob Agents Chemother. 2000 May;44(5):1315-21. doi: 10.1128/aac.44.5.1315-1321.2000. Antimicrob Agents Chemother. 2000. PMID: 10770768 Free PMC article.
However, the appearance and disappearance of the O139 serotype in the coastal city Samutsakorn in 1992 and 1993 were associated with the emergence of a distinct V. cholerae O1 strain which contained the aadA2 resistance gene cassette. A 150-kb self-transmissible pla …
However, the appearance and disappearance of the O139 serotype in the coastal city Samutsakorn in 1992 and 1993 were associated with the eme …
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