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Fe-S Cluster Biosynthesis Controls Uptake of Aminoglycosides in a ROS-Less Death Pathway.

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Title: Fe-S Cluster Biosynthesis Controls Uptake of Aminoglycosides in a ROS-Less Death Pathway.
Authors: Ezraty, Benjamin, Vergnes, Alexandra, Banzhaf, Manuel, Duverger, Yohann, Huguenot, Allison, Brochado, Ana Rita, Su, Shu-Yi, Espinosa, Leon, Loiseau, Laurent, Py, Beatrice, Typas, Athanasios, Barras, Frédéric
Source: Science (pre-March 2025). 6/28/2013, Vol. 340 Issue 6140, p1583-1587. 5p.
Subjects: Iron-sulfur proteins, Aminoglycosides, Protein synthesis, Reactive oxygen species, Bactericides, Cysteine desulfurase, Microbial respiration, Effect of antibiotics on microorganisms
Abstract: All bactericidal antibiotics were recently proposed to kill by inducing reactive oxygen species (ROS) production, causing destabilization of iron-sulfur (Fe-S) clusters and generating Fenton chemistry. We find that the ROS response is dispensable upon treatment with bactericidal antibiotics. Furthermore, we demonstrate that Fe-S clusters are required for killing only by aminoglycosides. In contrast to cells, using the major Fe-S cluster biosynthesis machinery, ISC, cells using the alternative machinery, SUF, cannot efficiently mature respiratory complexes I and II, resulting in impendence of the proton motive force (PMF), which is required for bactericidal aminoglycoside uptake. Similarly, during iron limitation, cells become intrinsically resistant to aminoglycosides by switching from ISC to SUF and down-regulating both respiratory complexes. We conclude that Fe-S proteins promote aminoglycoside killing by enabling their uptake. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Fe-S Cluster Biosynthesis Controls Uptake of Aminoglycosides in a ROS-Less Death Pathway.
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  Data: <searchLink fieldCode="AR" term="%22Ezraty%2C+Benjamin%22">Ezraty, Benjamin</searchLink><br /><searchLink fieldCode="AR" term="%22Vergnes%2C+Alexandra%22">Vergnes, Alexandra</searchLink><br /><searchLink fieldCode="AR" term="%22Banzhaf%2C+Manuel%22">Banzhaf, Manuel</searchLink><br /><searchLink fieldCode="AR" term="%22Duverger%2C+Yohann%22">Duverger, Yohann</searchLink><br /><searchLink fieldCode="AR" term="%22Huguenot%2C+Allison%22">Huguenot, Allison</searchLink><br /><searchLink fieldCode="AR" term="%22Brochado%2C+Ana+Rita%22">Brochado, Ana Rita</searchLink><br /><searchLink fieldCode="AR" term="%22Su%2C+Shu-Yi%22">Su, Shu-Yi</searchLink><br /><searchLink fieldCode="AR" term="%22Espinosa%2C+Leon%22">Espinosa, Leon</searchLink><br /><searchLink fieldCode="AR" term="%22Loiseau%2C+Laurent%22">Loiseau, Laurent</searchLink><br /><searchLink fieldCode="AR" term="%22Py%2C+Beatrice%22">Py, Beatrice</searchLink><br /><searchLink fieldCode="AR" term="%22Typas%2C+Athanasios%22">Typas, Athanasios</searchLink><br /><searchLink fieldCode="AR" term="%22Barras%2C+Frédéric%22">Barras, Frédéric</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 6/28/2013, Vol. 340 Issue 6140, p1583-1587. 5p.
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  Data: <searchLink fieldCode="DE" term="%22Iron-sulfur+proteins%22">Iron-sulfur proteins</searchLink><br /><searchLink fieldCode="DE" term="%22Aminoglycosides%22">Aminoglycosides</searchLink><br /><searchLink fieldCode="DE" term="%22Protein+synthesis%22">Protein synthesis</searchLink><br /><searchLink fieldCode="DE" term="%22Reactive+oxygen+species%22">Reactive oxygen species</searchLink><br /><searchLink fieldCode="DE" term="%22Bactericides%22">Bactericides</searchLink><br /><searchLink fieldCode="DE" term="%22Cysteine+desulfurase%22">Cysteine desulfurase</searchLink><br /><searchLink fieldCode="DE" term="%22Microbial+respiration%22">Microbial respiration</searchLink><br /><searchLink fieldCode="DE" term="%22Effect+of+antibiotics+on+microorganisms%22">Effect of antibiotics on microorganisms</searchLink>
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  Data: All bactericidal antibiotics were recently proposed to kill by inducing reactive oxygen species (ROS) production, causing destabilization of iron-sulfur (Fe-S) clusters and generating Fenton chemistry. We find that the ROS response is dispensable upon treatment with bactericidal antibiotics. Furthermore, we demonstrate that Fe-S clusters are required for killing only by aminoglycosides. In contrast to cells, using the major Fe-S cluster biosynthesis machinery, ISC, cells using the alternative machinery, SUF, cannot efficiently mature respiratory complexes I and II, resulting in impendence of the proton motive force (PMF), which is required for bactericidal aminoglycoside uptake. Similarly, during iron limitation, cells become intrinsically resistant to aminoglycosides by switching from ISC to SUF and down-regulating both respiratory complexes. We conclude that Fe-S proteins promote aminoglycoside killing by enabling their uptake. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=88926669
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        Value: 10.1126/science.1238328
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        Text: English
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      – SubjectFull: Iron-sulfur proteins
        Type: general
      – SubjectFull: Aminoglycosides
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      – SubjectFull: Protein synthesis
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      – SubjectFull: Reactive oxygen species
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              Text: 6/28/2013
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