Genomic analysis of a novel integrative conjugative element in Vibrio cholerae
TL;DR: ICEVchB33 revealed a new genetic organization, different from other ICEs of the SXT/R391 family, demonstrating the genomic plasticity of these elements.
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About: This article is published in FEBS Letters. The article was published on 19 Nov 2009. and is currently open access. The article focuses on the topics: Vibrio cholerae & Mobile genetic elements.
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Cryptic inoviruses revealed as pervasive in bacteria and archaea across Earth's biomes.
Simon Roux,Mart Krupovic,Rebecca A. Daly,Adair L. Borges,Stephen Nayfach,Frederik Schulz,Allison Sharrar,Paula B. Matheus Carnevali,Jan Fang Cheng,Natalia Ivanova,Joseph Bondy-Denomy,Kelly C. Wrighton,Tanja Woyke,Axel Visel,Nikos C. Kyrpides,Emiley A. Eloe-Fadrosh +15 more
TL;DR: A machine learning approach was used to recover over 10,000 inovirus-like sequences from existing microbial genomes and metagenomes, consequently proposing the reclassification of the Inoviridae family to a viral order, and uncover the previously unrecognized diversity of these viruses across hosts and environments.
Genomic diversity of 2010 Haitian cholera outbreak strains
Nur A. Hasan,Seon Young Choi,Mark Eppinger,Philip Clark,Arlene Chen,Munirul Alam,Bradd J. Haley,Elisa Taviani,Erin Hine,Qi Su,Luke J. Tallon,Joseph B. Prosper,Keziah Furth,Mohammad Mozammel Hoq,Huai Li,Claire M. Fraser-Liggett,Alejandro Cravioto,Anwar Huq,Jacques Ravel,Thomas A. Cebula,Rita R. Colwell +20 more
TL;DR: The isolation of both V. cholerae O1 and non-O1/O139 early in the Haiti cholera epidemic from samples collected from victims in 18 towns across eight Arrondissements of Haiti showed two distinct populations of V.cholerae coexisted, and its role in this epidemic, either alone or in concert with V.Cholera O1, cannot be dismissed.
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Cholera outbreaks in Nigeria are associated with multidrug resistant atypical El Tor and non-O1/non-O139 Vibrio cholerae.
Michel A. Marin,Cristiane C. Thompson,Fernanda S. Freitas,Érica L. Fonseca,A. Oladipo Aboderin,SB Zailani,Naa Kwarley Eyiram Quartey,Iruka N. Okeke,Ana Carolina Paulo Vicente +8 more
TL;DR: The recent Nigeria outbreaks have been determined by multidrug resistant atypical El Tor and non-O1/non-O139 V. cholerae strains, and it seems that the typical El Tor, from the beginning of seventh cholera pandemic, is no longer epidemic/endemic in this country.
Genome Sequence of Hybrid Vibrio cholerae O1 MJ-1236, B-33, and CIRS101 and Comparative Genomics with V. cholerae
Christopher J. Grim,Nur A. Hasan,Elisa Taviani,Bradd J. Haley,Jongsik Chun,Jongsik Chun,Thomas Brettin,David Bruce,J. Chris Detter,Cliff Han,Olga Chertkov,Jean F. Challacombe,Anwar Huq,G. Balakrish Nair,Rita R. Colwell,Rita R. Colwell +15 more
TL;DR: The absence of strain- and group-specific genomic islands, some of which appear to be prophages and phage-like elements, seems to be the most likely factor in the recent establishment of dominance of V. cholerae CIRS101 over the other two hybrid strains.
109
Integrating Conjugative Elements as Vectors of Antibiotic, Mercury, and Quaternary Ammonium Compound Resistance in Marine Aquaculture Environments
TL;DR: These results show the first evidence of ICEs providing rifampin and QAC resistances, suggesting that these mobile genetic elements contribute to the dissemination of antimicrobial, heavy metal, andQAC resistance determinants in aquaculture environments.
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References
Versatile and open software for comparing large genomes
Stefan Kurtz,Adam M. Phillippy,Arthur L. Delcher,Michael E. Smoot,Martin Shumway,Corina Antonescu,Steven L. Salzberg +6 more
TL;DR: The newest version of MUMmer easily handles comparisons of large eukaryotic genomes at varying evolutionary distances, as demonstrated by applications to multiple genomes.
Shaping bacterial genomes with integrative and conjugative elements.
Vincent Burrus,Matthew K. Waldor +1 more
TL;DR: It is proposed that by utilizing conserved integration sites, ICEs may promote the mobilization of genomic islands by shaping the bacterial genome and distributing genes between unrelated bacterial genera.
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Conjugative transposons: the tip of the iceberg
TL;DR: It is shown that these elements share very similar characteristics and, therefore, it is proposed to classify them as integrative and conjugative elements (ICEs), which are probably widespread among the bacteria.
439
Antibiotic Resistance Conferred by a Class I Integron and SXT Constin in Vibrio cholerae O1 Strains Isolated in Laos
Masaaki Iwanaga,Claudia Toma,Tomoko Miyazato,Sithat Insisiengmay,Noboru Nakasone,Masahiko Ehara +5 more
TL;DR: Analysis of SXTLAOS showed that there is a continuous flux of genes among V. cholerae SXT constins which should be carefully monitored.
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Mobilization of Plasmids and Chromosomal DNA Mediated by the SXT Element, a Constin Found in Vibrio cholerae O139
TL;DR: SXT element-mediated mobilization of plasmids and chromosomal DNA, unlike its self-transfer, is not dependent upon excision of the element from the chromosome, raising the possibility that the SXT element and other constins play a general role in horizontal gene transfer among gram-negative bacteria.
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