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Evaluation of the c...
Evaluation of the characteristics of leucyl-tRNA synthetase (LeuRS) inhibitor AN3365 in combination with different antibiotic classes
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Monteferrante, C. G. (författare)
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Jirgensons, A. (författare)
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- Varik, Vallo (författare)
- Umeå universitet,Molekylär Infektionsmedicin, Sverige (MIMS),Institute of Technology, University of Tartu, Nooruse 1, 50411 Tartu, Estonia
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- Hauryliuk, VVasili (författare)
- Umeå universitet,Molekylär Infektionsmedicin, Sverige (MIMS),Institute of Technology, University of Tartu, Nooruse 1, 50411 Tartu, Estonia
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Goessens, W. H. F. (författare)
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Hays, J. P. (författare)
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(creator_code:org_t)
- 2016-08-09
- 2016
- Engelska.
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Ingår i: European Journal of Clinical Microbiology and Infectious Diseases. - : Springer Science and Business Media LLC. - 0934-9723 .- 1435-4373. ; 35:11, s. 1857-1864
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Aminoacyl tRNA synthetases are enzymes involved in the key process of coupling an amino acid to its cognate tRNA. AN3365 is a novel antibiotic that specifically targets leucyl-tRNA synthetase, whose development was halted after evaluation in phase II clinical trials owing to the rapid selection of resistance. In an attempt to bring AN3365 back into the developmental pipeline we have evaluated the efficacy of AN3365 in combination with different classes of antibiotic and characterized its mechanism of action. Although we detect no synergy or antagonism in combination with a range of antibiotic classes, a combination of AN3365 with colistin reduces the accumulation of AN3365-resistant and colistin resistance mutations. We also demonstrate that treatment with AN3365 results in the dramatic accumulation of the alarmone (p)ppGpp, the effector of the stringent response-a key player in antibiotic tolerance.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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