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Genetics of Natural Competence in Vibrio cholerae and other Vibrios.
Antonova ES, Hammer BK. Antonova ES, et al. Microbiol Spectr. 2015 Jun;3(3). doi: 10.1128/microbiolspec.VE-0010-2014. Microbiol Spectr. 2015. PMID: 26185067 Free article.
Many Gram-positive and Gram-negative bacteria can become naturally competent to take up extracellular DNA from the environment via a dedicated uptake apparatus. The genetic material that is acquired can (i) be used for nutrients, (ii) aid in genome repair, and (iii) promot …
Many Gram-positive and Gram-negative bacteria can become naturally competent to take up extracellular DNA from the environment via a …
Quorum-sensing autoinducer molecules produced by members of a multispecies biofilm promote horizontal gene transfer to Vibrio cholerae.
Antonova ES, Hammer BK. Antonova ES, et al. FEMS Microbiol Lett. 2011 Sep;322(1):68-76. doi: 10.1111/j.1574-6968.2011.02328.x. Epub 2011 Jun 27. FEMS Microbiol Lett. 2011. PMID: 21658103
The Vibrio QS response is mediated by two extracellular autoinducer (AI) molecules: CAI-I, which is produced only by Vibrios, and AI-2, which is produced by many bacteria. In marine biofilms on chitinous surfaces, QS-proficient V. cholerae become naturally competent to tak …
The Vibrio QS response is mediated by two extracellular autoinducer (AI) molecules: CAI-I, which is produced only by Vibrios, and AI-2, whic …
Natural competence in Vibrio cholerae is controlled by a nucleoside scavenging response that requires CytR-dependent anti-activation.
Antonova ES, Bernardy EE, Hammer BK. Antonova ES, et al. Mol Microbiol. 2012 Dec;86(5):1215-31. doi: 10.1111/mmi.12054. Epub 2012 Oct 16. Mol Microbiol. 2012. PMID: 23016895 Free article.
In Escherichia coli, 'anti-activation' of nucleoside metabolism genes, via protein-protein interactions between critical residues in CytR and CRP (cAMP receptor protein), is disrupted by exogenous cytidine. Amino acid substitutions of the corresponding V. cholerae CytR res …
In Escherichia coli, 'anti-activation' of nucleoside metabolism genes, via protein-protein interactions between critical residues in CytR an …
Evolutionary dynamics of Vibrio cholerae O1 following a single-source introduction to Haiti.
Katz LS, Petkau A, Beaulaurier J, Tyler S, Antonova ES, Turnsek MA, Guo Y, Wang S, Paxinos EE, Orata F, Gladney LM, Stroika S, Folster JP, Rowe L, Freeman MM, Knox N, Frace M, Boncy J, Graham M, Hammer BK, Boucher Y, Bashir A, Hanage WP, Van Domselaar G, Tarr CL. Katz LS, et al. mBio. 2013 Jul 2;4(4):e00398-13. doi: 10.1128/mBio.00398-13. mBio. 2013. PMID: 23820394 Free PMC article.
After its introduction, a strain of Vibrio cholerae O1 spread rapidly throughout Haiti, where it caused over 600,000 cases of disease and >7,500 deaths in the first two years of the epidemic. We applied whole-genome sequencing to a temporal series of V. cholerae isolate …
After its introduction, a strain of Vibrio cholerae O1 spread rapidly throughout Haiti, where it caused over 600,000 cases of disease and &g …
[RNA transcripts of both strands of viral DNA in cells infected with vaccinia virus].
Sycheva IO, Varich NL, Kaverin NV, Antonova TP, Chernos VI. Sycheva IO, et al. Vopr Virusol. 1978 Sep-Oct;(5):548-53. Vopr Virusol. 1978. PMID: 569925 Russian.
The percentage of DNA converted into DNA-RNA hybrid under these conditions never exceeded 50%. ...On the other hand, if the self-annealed RNA had been treated with RN-ase and the double-stranded DNA-RNA hybrids had been denaturated, they became capable of con …
The percentage of DNA converted into DNA-RNA hybrid under these conditions never exceeded 50%. ...On the other hand, if the se …
[Structural derangements in deoxyribonucleoprotein complex damaged by N-nitroso-N-methylurea].
Gorin AI, Serebrianyĭ AM, Antonova LV, Atkochiunaĭte VK, Kharitonenkov IG. Gorin AI, et al. Biull Eksp Biol Med. 1976 Jun;81(6):674-7. Biull Eksp Biol Med. 1976. PMID: 953302 Russian.
The effect of deoxyribonucleoproteid (DNP) solubilization under conditions of the ionic strength of the medium approaching the physiological one depended greatly after the treatment with a mutagen - N-nitroso-N-methylurea (NMU) on the NMU concentration. Apparently, for the change …
The effect of deoxyribonucleoproteid (DNP) solubilization under conditions of the ionic strength of the medium approaching the physiological …