New roles for bacterial siderophores in metal transport and tolerance

IJ Schalk, M Hannauer, A Braud - Environmental microbiology, 2011 - Wiley Online Library
Siderophores are chelators with extremely strong affinity for ferric iron and are best known
for their capacity to feed microorganisms with this metal. Despite their preference for iron …

Chemistry of Ni2+ in Urease: Sensing, Trafficking, and Catalysis

B Zambelli, F Musiani, S Benini… - Accounts of chemical …, 2011 - ACS Publications
Transition metals are both essential to enzymatic catalysis and limited in environmental
availability. These two biological facts have together driven organisms to evolve …

Interplay of metal ions and urease

EL Carter, N Flugga, JL Boer, SB Mulrooney… - Metallomics, 2009 - academic.oup.com
Urease, the first enzyme to be crystallized, contains a dinuclear nickel metallocenter that
catalyzes the decomposition of urea to produce ammonia, a reaction of great agricultural …

Nickel homeostasis and nickel regulation: an overview

Y Li, DB Zamble - Chemical reviews, 2009 - ACS Publications
Nickel is an essential catalytic cofactor of enzymes found in eubacteria, archaebacteria,
fungi, and plants. 1-6 These enzymes catalyze a diverse array of reactions that include both …

Metallochaperones and metalloregulation in bacteria

DA Capdevila, KA Edmonds… - Essays in biochemistry, 2017 - portlandpress.com
Bacterial transition metal homoeostasis or simply 'metallostasis' describes the process by
which cells control the intracellular availability of functionally required metal cofactors, from …

Nickel and human health

B Zambelli, S Ciurli - Interrelations between essential metal ions and …, 2013 - Springer
This review focuses on the impact of nickel on human health. In particular, the dual nature of
nickel as an essential as well as toxic element in nature is described, and the main forms of …

Survey of the year 2008: applications of isothermal titration calorimetry

RJ Falconer, A Penkova, I Jelesarov… - Journal of molecular …, 2010 - Wiley Online Library
Isothermal titration calorimetry (ITC) is a fast, accurate and label‐free method for measuring
the thermodynamics and binding affinities of molecular associations in solution. Because the …

[HTML][HTML] Insights into the Orchestration of Gene Transcription Regulators in Helicobacter pylori

A Vannini, D Roncarati, F D'Agostino… - International Journal of …, 2022 - mdpi.com
Bacterial pathogens employ a general strategy to overcome host defenses by coordinating
the virulence gene expression using dedicated regulatory systems that could raise intricate …

[HTML][HTML] Comprehensive mapping of the Helicobacter pylori NikR regulon provides new insights in bacterial nickel responses

A Vannini, E Pinatel, PE Costantini, S Pelliciari… - Scientific reports, 2017 - nature.com
Nickel homeostasis is important for pathogenic and ureolytic bacteria, which use this metal
ion as enzymatic cofactor. For example, in the human pathogen Helicobacter pylori an …

Regulatory circuits in Helicobacter pylori: network motifs and regulators involved in metal-dependent responses

A Danielli, V Scarlato - FEMS microbiology reviews, 2010 - academic.oup.com
The ability of Helicobacter pylori, one of the most successful human bacterial pathogens, to
colonize the acidic gastric niche persistently, depends on the proper homeostasis of …