Genome-wide study of the defective sucrose fermenter strain of Vibrio cholerae from the Latin American cholera epidemic.
The 7th cholera pandemic reached Latin America in 1991, spreading from Peru to virtually all Latin American countries. During the late epidemic period, a strain that failed to ferment sucrose dominated cholera outbreaks in the Northern Brazilian Amazon region. In order to understand the genomic char...
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oai:doaj.org-article:5c01ecf63f3a4704936e46a76c4336022021-11-18T07:17:26ZGenome-wide study of the defective sucrose fermenter strain of Vibrio cholerae from the Latin American cholera epidemic.1932-620310.1371/journal.pone.0037283https://doaj.org/article/5c01ecf63f3a4704936e46a76c4336022012-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22662140/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203The 7th cholera pandemic reached Latin America in 1991, spreading from Peru to virtually all Latin American countries. During the late epidemic period, a strain that failed to ferment sucrose dominated cholera outbreaks in the Northern Brazilian Amazon region. In order to understand the genomic characteristics and the determinants of this altered sucrose fermenting phenotype, the genome of the strain IEC224 was sequenced. This paper reports a broad genomic study of this strain, showing its correlation with the major epidemic lineage. The potentially mobile genomic regions are shown to possess GC content deviation, and harbor the main V. cholera virulence genes. A novel bioinformatic approach was applied in order to identify the putative functions of hypothetical proteins, and was compared with the automatic annotation by RAST. The genome of a large bacteriophage was found to be integrated to the IEC224's alanine aminopeptidase gene. The presence of this phage is shown to be a common characteristic of the El Tor strains from the Latin American epidemic, as well as its putative ancestor from Angola. The defective sucrose fermenting phenotype is shown to be due to a single nucleotide insertion in the V. cholerae sucrose-specific transportation gene. This frame-shift mutation truncated a membrane protein, altering its structural pore-like conformation. Further, the identification of a common bacteriophage reinforces both the monophyletic and African-Origin hypotheses for the main causative agent of the 1991 Latin America cholera epidemics.Daniel Rios GarzaCristiane C ThompsonEdvaldo Carlos Brito LoureiroBas E DutilhDavi Toshio InadaEdivaldo Costa Sousa JuniorJedson Ferreira CardosoMárcio Roberto T NunesClayton Pereira Silva de LimaRodrigo Vellasco Duarte SilvestreKeley Nascimento Barbosa NunesElisabeth C O SantosRobert A EdwardsAna Carolina P VicenteLena Lillian Canto de Sá MoraisPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 7, Iss 5, p e37283 (2012) |
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Medicine R Science Q Daniel Rios Garza Cristiane C Thompson Edvaldo Carlos Brito Loureiro Bas E Dutilh Davi Toshio Inada Edivaldo Costa Sousa Junior Jedson Ferreira Cardoso Márcio Roberto T Nunes Clayton Pereira Silva de Lima Rodrigo Vellasco Duarte Silvestre Keley Nascimento Barbosa Nunes Elisabeth C O Santos Robert A Edwards Ana Carolina P Vicente Lena Lillian Canto de Sá Morais Genome-wide study of the defective sucrose fermenter strain of Vibrio cholerae from the Latin American cholera epidemic. |
| description |
The 7th cholera pandemic reached Latin America in 1991, spreading from Peru to virtually all Latin American countries. During the late epidemic period, a strain that failed to ferment sucrose dominated cholera outbreaks in the Northern Brazilian Amazon region. In order to understand the genomic characteristics and the determinants of this altered sucrose fermenting phenotype, the genome of the strain IEC224 was sequenced. This paper reports a broad genomic study of this strain, showing its correlation with the major epidemic lineage. The potentially mobile genomic regions are shown to possess GC content deviation, and harbor the main V. cholera virulence genes. A novel bioinformatic approach was applied in order to identify the putative functions of hypothetical proteins, and was compared with the automatic annotation by RAST. The genome of a large bacteriophage was found to be integrated to the IEC224's alanine aminopeptidase gene. The presence of this phage is shown to be a common characteristic of the El Tor strains from the Latin American epidemic, as well as its putative ancestor from Angola. The defective sucrose fermenting phenotype is shown to be due to a single nucleotide insertion in the V. cholerae sucrose-specific transportation gene. This frame-shift mutation truncated a membrane protein, altering its structural pore-like conformation. Further, the identification of a common bacteriophage reinforces both the monophyletic and African-Origin hypotheses for the main causative agent of the 1991 Latin America cholera epidemics. |
| format |
article |
| author |
Daniel Rios Garza Cristiane C Thompson Edvaldo Carlos Brito Loureiro Bas E Dutilh Davi Toshio Inada Edivaldo Costa Sousa Junior Jedson Ferreira Cardoso Márcio Roberto T Nunes Clayton Pereira Silva de Lima Rodrigo Vellasco Duarte Silvestre Keley Nascimento Barbosa Nunes Elisabeth C O Santos Robert A Edwards Ana Carolina P Vicente Lena Lillian Canto de Sá Morais |
| author_facet |
Daniel Rios Garza Cristiane C Thompson Edvaldo Carlos Brito Loureiro Bas E Dutilh Davi Toshio Inada Edivaldo Costa Sousa Junior Jedson Ferreira Cardoso Márcio Roberto T Nunes Clayton Pereira Silva de Lima Rodrigo Vellasco Duarte Silvestre Keley Nascimento Barbosa Nunes Elisabeth C O Santos Robert A Edwards Ana Carolina P Vicente Lena Lillian Canto de Sá Morais |
| author_sort |
Daniel Rios Garza |
| title |
Genome-wide study of the defective sucrose fermenter strain of Vibrio cholerae from the Latin American cholera epidemic. |
| title_short |
Genome-wide study of the defective sucrose fermenter strain of Vibrio cholerae from the Latin American cholera epidemic. |
| title_full |
Genome-wide study of the defective sucrose fermenter strain of Vibrio cholerae from the Latin American cholera epidemic. |
| title_fullStr |
Genome-wide study of the defective sucrose fermenter strain of Vibrio cholerae from the Latin American cholera epidemic. |
| title_full_unstemmed |
Genome-wide study of the defective sucrose fermenter strain of Vibrio cholerae from the Latin American cholera epidemic. |
| title_sort |
genome-wide study of the defective sucrose fermenter strain of vibrio cholerae from the latin american cholera epidemic. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2012 |
| url |
https://doaj.org/article/5c01ecf63f3a4704936e46a76c433602 |
| work_keys_str_mv |
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