Shared and distinct mechanisms of iron acquisition by bacterial and fungal pathogens of humans

M Caza, JW Kronstad - Frontiers in cellular and infection microbiology, 2013 - frontiersin.org
Iron is the most abundant transition metal in the human body and its bioavailability is
stringently controlled. In particular, iron is tightly bound to host proteins such as transferrin to …

[HTML][HTML] Structural biology of bacterial iron uptake

KD Krewulak, HJ Vogel - Biochimica et Biophysica Acta (BBA) …, 2008 - Elsevier
To fulfill their nutritional requirement for iron, bacteria utilize various iron sources which
include the host proteins transferrin and lactoferrin, heme, and low molecular weight iron …

Recent developments in understanding the iron acquisition strategies of gram positive pathogens

JR Sheldon, DE Heinrichs - FEMS microbiology reviews, 2015 - academic.oup.com
Iron is a versatile redox-active catalyst and a required cofactor within a diverse array of
biological processes. To almost all organisms, iron is both essential and potentially toxic …

Metal limitation and toxicity at the interface between host and pathogen

KW Becker, EP Skaar - FEMS microbiology reviews, 2014 - academic.oup.com
Metals are required cofactors for numerous fundamental processes that are essential to both
pathogen and host. They are coordinated in enzymes responsible for DNA replication and …

Iron acquisition strategies of bacterial pathogens

JR Sheldon, HA Laakso… - Virulence Mechanisms of …, 2016 - Wiley Online Library
Iron is essential to nearly all life forms on Earth, required for the proper function of enzymes
involved in, for example, respiration, photosynthesis, the tricarboxylic acid cycle, nitrogen …

Heme uptake and utilization by gram-negative bacterial pathogens

KL Richard, BR Kelley, JG Johnson - Frontiers in cellular and …, 2019 - frontiersin.org
Iron is a transition metal utilized by nearly all forms of life for essential cellular processes,
such as DNA synthesis and cellular respiration. During infection by bacterial pathogens, the …

Iron Acquisition in Mycobacterium tuberculosis

A Chao, PJ Sieminski, CP Owens… - Chemical …, 2018 - ACS Publications
The highly contagious disease tuberculosis (TB) is caused by the bacterium Mycobacterium
tuberculosis (Mtb), which has been evolving drug resistance at an alarming rate. Like all …

Bacterial heme-transport proteins and their heme-coordination modes

Y Tong, M Guo - Archives of biochemistry and biophysics, 2009 - Elsevier
Efficient iron acquisition is critical for an invading microbe's survival and virulence. Most of
the iron in mammals is incorporated into heme, which can be plundered by certain bacterial …

Heme uptake across the outer membrane as revealed by crystal structures of the receptor–hemophore complex

S Krieg, F Huché, K Diederichs… - Proceedings of the …, 2009 - National Acad Sciences
Gram-negative bacteria use specific heme uptake systems, relying on outer membrane
receptors and excreted heme-binding proteins (hemophores) to scavenge and actively …

Extracellular heme uptake and the challenge of bacterial cell membranes

W Huang, A Wilks - Annual Review of Biochemistry, 2017 - annualreviews.org
Iron is essential for the survival of most bacteria but presents a significant challenge given its
limited bioavailability. Furthermore, the toxicity of iron combined with the need to maintain …