Handling of nutrient copper in the bacterial envelope
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The insertion of copper into bacterial cuproenzymes in vivo does not always require a copper-binding metallochaperone – why?
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For Zn2+ and Cu+, the notional free metal pool is less than one atom per cell at equilibrium, and metal mobility relies on ligand exchange chemistry.
“For Zn2+ and Cu+, however, the notional free metal pool is less than one atom per cell at equilibrium, and the mobility of metals relies on ligand exchange chemistry.3,31,32”
From Metals in Motion: Understanding Labile Metal Pools in Bacteria (2025) · cites this paper as [31]
The Introduction (page unavailable) says Cu and Zn are buffered at low available concentrations and that metals move between binding sites through associative exchange reactions. It does not state that the notional free Zn²⁺ or Cu⁺ pool is less than one atom per cell at equilibrium. (LLM, conf=0.88)
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Biosynthesis of a broad-spectrum nicotianamine-like metallophore in <i>Staphylococcus aureus</i>
Ghssein, G., Brutesco, C., Ouerdane, L., Fojcik, C., Izaute, A., Wang, S., Hajjar, C., Lobinski, R., Lemaire, D., Richaud, P., et al. (2016) · Science · doi:10.1126/science.aaf1018 · Cited by 227 · see citing works
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- Authors
- Stewart, L. J., Thaqi, D., Kobe, B., McEwan, A. G., Waldron, K. J., & Djoko, K. Y.
- Affiliations
- Newcastle University (GB)
- The University of Queensland (AU)
- School of Chemistry and Molecular Biosciences and Australian Infectious Diseases Research Centre
- Durham University (GB)
- Corresponding author
- Djoko, Karrera Y.
- Venue
- Metallomics
- Publisher
- Oxford University Press (OUP)
- Published
- 2019
- Volume
- 11
- Issue
- 1
- Pages
- 50-63
- ISSN
- 1756-5901 (ISSN-L)
- 1756-591X
- OpenAlex
- W2897183428
- Cited by
- 56
- References
- 1
- Citations by year
- 2026: 4 · 2025: 7 · 2024: 3 · 2023: 4 · 2022: 7 · 2021: 7 · 2020: 12 · 2019: 11 · 2018: 1
- FWCI
- 1.07
- Type
- journal article
- Language
- en
- Open access
- Licence
- Locations
- Metallomics (publishedVersion)
- PubMed (publishedVersion)
- Durham Research Online (Durham University) (acceptedVersion)
- Durham Research Online (Durham University) (acceptedVersion, other-oa)
- Durham Research Online (Durham University) (submittedVersion, cc-by)
- Newcastle University ePrints (Newcastle Univesity)
- Funders
- Royal Society (Research Grant RSG\R1\180044, 098375/Z/12/Z)
- National Health and Medical Research Council (Principal Research Fellowship (APP1110971), Program Grant 1071659)
- Newcastle University (Research Excellence Academy Studentship)
- Wellcome Trust (098375/Z/12/Z)
- Department of Education and Training (Research Training Program Scholarship)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
- Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Metalloenzymes and iron-sulfur proteins
- Keywords
- copper, copper enzymes, metallochaperone, copper trafficking, bacterial cell envelope, metalation, copper toxicity, respiration
- MeSH terms
- Nutrients, Bacteria, Bacterial Infections, Bacterial Proteins, Biological Transport, Copper, Humans, Nitrite Reductases, Oxidoreductases, Superoxide Dismutase, Metallochaperones
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