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 …

[HTML][HTML] FeGenie: a comprehensive tool for the identification of iron genes and iron gene neighborhoods in genome and metagenome assemblies

AI Garber, KH Nealson, A Okamoto… - Frontiers in …, 2020 - frontiersin.org
Iron is a micronutrient for nearly all life on Earth. It can be used as an electron donor and
electron acceptor by iron-oxidizing and iron-reducing microorganisms and is used in a …

From host heme to iron: the expanding spectrum of heme degrading enzymes used by pathogenic bacteria

KV Lyles, Z Eichenbaum - Frontiers in cellular and infection …, 2018 - frontiersin.org
Iron is an essential nutrient for many bacteria. Since the metal is highly sequestered in host
tissues, bound predominantly to heme, pathogenic bacteria often take advantage of heme …

Metabolomic analysis of Mycobacterium tuberculosis reveals metabolic profiles for identification of drug-resistant tuberculosis

P Chaiyachat, B Kaewseekhao, A Chaiprasert… - Scientific Reports, 2023 - nature.com
The detection of pre-extensively (pre-XDR) and extensively drug-resistant tuberculosis (XDR-
TB) is challenging. Drug-susceptibility tests for some anti-TB drugs, especially ethambutol …

Sequence–structure–function classification of a catalytically diverse oxidoreductase superfamily in Mycobacteria

FH Ahmed, PD Carr, BM Lee, L Afriat-Jurnou… - Journal of molecular …, 2015 - Elsevier
The deazaflavin cofactor F 420 enhances the persistence of mycobacteria during hypoxia,
oxidative stress, and antibiotic treatment. However, the identities and functions of the …

Measurement of heme ruffling changes in MhuD using UV–vis spectroscopy

AB Graves, MT Graves, MD Liptak - The Journal of Physical …, 2016 - ACS Publications
For decades it has been known that an out-of-plane ruffling distortion of heme perturbs its
UV–vis absorption (Abs) spectrum, but whether increased ruffling induces a red or blue shift …

Unique coupling of mono-and dioxygenase chemistries in a single active site promotes heme degradation

T Matsui, S Nambu, CW Goulding… - Proceedings of the …, 2016 - National Acad Sciences
Bacterial pathogens must acquire host iron for survival and colonization. Because free iron
is restricted in the host, numerous pathogens have evolved to overcome this limitation by …

Making and breaking heme

AI Celis, JL DuBois - Current opinion in structural biology, 2019 - Elsevier
Highlights•Pathways for heme biosynthesis and degradation are not universally
conserved.•Pathway diversification may have been both ecologically and biologically …

Substrate, product, and cofactor: The extraordinarily flexible relationship between the CDE superfamily and heme

AI Celis, JL DuBois - Archives of biochemistry and biophysics, 2015 - Elsevier
PFam Clan 0032, also known as the CDE superfamily, is a diverse group of at least 20
protein families sharing a common α, β-barrel domain. Of these, six different groups bind …

MhuD from Mycobacterium tuberculosis: Probing a Dual Role in Heme Storage and Degradation

SJ Matthews, KJ Pacholarz, AP France… - ACS infectious …, 2019 - ACS Publications
The Mycobacterium tuberculosis (Mtb) heme oxygenase MhuD liberates free iron by
degrading heme to the linear tetrapyrrole mycobilin. The MhuD dimer binds up to two hemes …