Antimicrobial agents act differently on Staphyloccocus aureus and Ralstonia eutropha flavohemoglobins

A Ezzine, M Moussaoui, E El Hammi… - Applied biochemistry …, 2014 - Springer
Flavohemoglobins (FlavoHb) play a key role in bacterial resistance to nitrosative stress and
NO signaling modulation. In this study, we cloned, expressed, and characterized the flavoHb …

Structure of Ralstonia eutropha Flavohemoglobin in Complex with Three Antibiotic Azole Compounds

E El Hammi, E Warkentin, U Demmer, F Limam… - Biochemistry, 2011 - ACS Publications
Flavohemoglobins (flavoHbs) are enzymes that operate primarily as nitric oxide
dioxygenases and shuttle thereby electrons among NAD (P) H, FAD, heme, and a ligated …

Flavohemoglobin: structure and reactivity

A Bonamore, A Boffi - IUBMB life, 2008 - Wiley Online Library
Flavohemoglobins (flavoHbs) are made of a globin domain fused with a ferredoxin
reductaselike FAD‐and NAD‐binding modules. These proteins are widely represented …

Active site analysis of yeast flavohemoglobin based on its structure with a small ligand or econazole

E El Hammi, E Warkentin, U Demmer… - The FEBS …, 2012 - Wiley Online Library
Flavohemoglobins (flavoHbs) serve various microorganisms as the major protective
enzymes against NO˙‐mediated toxicity. FlavoHbs dominantly function as an NO˙ …

Imidazole antibiotics inhibit the nitric oxide dioxygenase function of microbial flavohemoglobin

RA Helmick, AE Fletcher, AM Gardner… - Antimicrobial agents …, 2005 - Am Soc Microbiol
Flavohemoglobins metabolize nitric oxide (NO) to nitrate and protect bacteria and fungi from
NO-mediated damage, growth inhibition, and killing by NO-releasing immune cells …

The key role of water in the dioxygenase function of Escherichia coli flavohemoglobin

DN Ferreiro, L Boechi, DA Estrin, MA Martí - Journal of inorganic …, 2013 - Elsevier
Flavohemoglobins (FHbs) are members of the globin superfamily, widely distributed among
prokaryotes and eukaryotes that have been shown to carry out nitric oxide dioxygenase …

Quinones and nitroaromatic compounds as subversive substrates of Staphylococcus aureus flavohemoglobin

M Moussaoui, L Misevičienė, Ž Anusevičius… - Free Radical Biology …, 2018 - Elsevier
In microorganisms, flavohemoglobins (FHbs) containing FAD and heme (Fe 3+, metHb)
convert NO. into nitrate at the expense of NADH and O 2. FHbs contribute to bacterial …

Flavohemoglobin of Staphylococcus aureus

LS Nobre, VL Gonçalves, LM Saraiva - Methods in enzymology, 2008 - Elsevier
Biotically, bacteria encounter nitrogen‐reactive species in environments where
denitrification occurs or when nitric oxide (NO) is generated by the mammal NO synthase …

[HTML][HTML] Flavohemoglobin requires microaerophilic conditions for nitrosative protection of Staphylococcus aureus

VL Gonçalves, LS Nobre, JB Vicente, M Teixeira… - FEBS letters, 2006 - Elsevier
Flavohemoglobins and flavodiiron proteins are two families of enzymes involved in
nitrosative detoxification. However, the physiological oxygen-related conditions under which …

A survey of methods for the purification of microbial flavohemoglobins

MES Lewis, HA Corker, B Gollan, RK Poole - Methods in enzymology, 2008 - Elsevier
Over the past decade, the flavohemoglobin Hmp has emerged as the most significant nitric
oxide (NO)–detoxifying protein in many diverse organisms, including yeasts and fungi but …