Cu homeostasis in bacteria: the ins and outs

A Andrei, Y Öztürk, B Khalfaoui-Hassani, J Rauch… - Membranes, 2020 - mdpi.com
Copper (Cu) is an essential trace element for all living organisms and used as cofactor in
key enzymes of important biological processes, such as aerobic respiration or superoxide …

Copper transport and trafficking at the host–bacterial pathogen interface

Y Fu, FMJ Chang, DP Giedroc - Accounts of chemical research, 2014 - ACS Publications
Conspectus The human innate immune system has evolved the means to reduce the
bioavailability of first-row late d-block transition metal ions to invading microbial pathogens …

The Escherichia coli Small Protein MntS and Exporter MntP Optimize the Intracellular Concentration of Manganese

JE Martin, LS Waters, G Storz, JA Imlay - PLoS genetics, 2015 - journals.plos.org
Escherichia coli does not routinely import manganese, but it will do so when iron is
unavailable, so that manganese can substitute for iron as an enzyme cofactor. When …

Chalkophores

GE Kenney, AC Rosenzweig - Annual review of biochemistry, 2018 - annualreviews.org
Copper-binding metallophores, or chalkophores, play a role in microbial copper
homeostasis that is analogous to that of siderophores in iron homeostasis. The best-studied …

Excess copper catalyzes protein disulfide bond formation in the bacterial periplasm but not in the cytoplasm

SS Eben, JA Imlay - Molecular microbiology, 2023 - Wiley Online Library
Copper avidly binds thiols and is redox active, and it follows that one element of copper
toxicity may be the generation of undesirable disulfide bonds in proteins. In the present …

Disulfiram and copper ions kill Mycobacterium tuberculosis in a synergistic manner

AG Dalecki, M Haeili, S Shah, A Speer… - Antimicrobial agents …, 2015 - Am Soc Microbiol
Tuberculosis is a severe disease affecting millions worldwide. Unfortunately, treatment
strategies are hampered both by the prohibitively long treatment regimen and the rise of …

Role of Glutathione in Buffering Excess Intracellular Copper in Streptococcus pyogenes

LJ Stewart, CY Ong, MM Zhang, S Brouwer, L McIntyre… - MBio, 2020 - Am Soc Microbiol
Copper (Cu) is an essential metal for bacterial physiology but in excess it is bacteriotoxic. To
limit Cu levels in the cytoplasm, most bacteria possess a transcriptionally responsive system …

The role of intermetal competition and mis-metalation in metal toxicity

A Barwinska-Sendra, KJ Waldron - Advances in microbial physiology, 2017 - Elsevier
The metals manganese, iron, cobalt, nickel, copper and zinc are essential for almost all
bacteria, but their precise metal requirements vary by species, by ecological niche and by …

Co-Expression of Transcriptional Regulators and Housekeeping Genes in Streptomyces spp.: A Strategy to Optimize Metabolite Production

L Cuervo, MG Malmierca, R García-Salcedo, C Méndez… - Microorganisms, 2023 - mdpi.com
The search for novel bioactive compounds to overcome resistance to current therapeutics
has become of utmost importance. Streptomyces spp. are one of the main sources of …

The roles of transition metals in the physiology and pathogenesis of Streptococcus pneumoniae

ES Honsa, MDL Johnson, JW Rosch - Frontiers in cellular and …, 2013 - frontiersin.org
For bacterial pathogens whose sole environmental reservoir is the human host, the
acquisition of essential nutrients, particularly transition metals, is a critical aspect of survival …