Making and breaking carbon-carbon bonds in class C radical SAM methyltransferases

MA Brimberry, L Mathew, W Lanzilotta - Journal of inorganic biochemistry, 2022 - Elsevier
Radical S-adenosylmethionine (SAM) enzymes utilize a [4Fe-4S] 1+ cluster and S-(5′-
adenosyl)-L-methionine,(SAM), to generate a highly reactive radical and catalyze what is …

Class C Radical SAM methyltransferases involved in anaerobic heme degradation

LG Mathew, M Brimberry… - ACS bio & med Chem …, 2021 - ACS Publications
Class C radical SAM methyltransferases catalyze a diverse array of difficult chemical
transformations in the biosynthesis of a range of compounds of biomedical importance …

New insight into the mechanism of anaerobic heme degradation

LG Mathew, NR Beattie, C Pritchett, WN Lanzilotta - Biochemistry, 2019 - ACS Publications
ChuW, ChuX, and ChuY are contiguous genes downstream from a single promoter that are
expressed in the enteric pathogen Escherichia coli O157: H7 when iron is limiting. These …

HutZ is required for biofilm formation and contributes to the pathogenicity of Edwardsiella piscicida

YJ Shi, QJ Fang, HQ Huang, CG Gong, YH Hu - Veterinary research, 2019 - Springer
Edwardsiella piscicida is a severe fish pathogen. Haem utilization systems play an important
role in bacterial adversity adaptation and pathogenicity. In this study, a speculative haem …

Anaerobic heme degradation: ChuY is an anaerobilin reductase that exhibits kinetic cooperativity

JW LaMattina, M Delrossi, KG Uy, ND Keul, DB Nix… - Biochemistry, 2017 - ACS Publications
Heme catabolism is an important biochemical process that many bacterial pathogens utilize
to acquire iron. However, tetrapyrrole catabolites can be reactive and often require further …

Targeting the G-quadruplex as a novel strategy for developing antibiotics against hypervirulent drug-resistant Staphylococcus aureus

M Sultan, M Razzaq, J Lee, S Das… - Journal of Biomedical …, 2025 - Springer
Background The rapid emergence of multiple drug-resistant (MDR) bacterial pathogens and
the lack of a novel antibiotic pipeline pose a serious threat to global healthcare. The limited …

HutZ from Aliivibrio fischeri Inhibits HutW-Mediated Anaerobilin Formation by Sequestering Heme

AK McGregor, KR Wolthers - Biochemistry, 2024 - ACS Publications
Anaerobilin synthase catalyzes the decyclization of the heme protoporphyrin ring, an O2-
independent reaction that liberates iron and produces the linear tetrapyrrole, anaerobilin …

HutW from Vibrio cholerae Is an Anaerobic Heme-Degrading Enzyme with Unique Functional Properties

M Brimberry, MA Toma, KM Hines, WN Lanzilotta - Biochemistry, 2021 - ACS Publications
Increasing antibiotic resistance, and a growing recognition of the importance of the human
microbiome, demand that new therapeutic targets be identified. Characterization of …

Proteomes of Uropathogenic Escherichia coli Growing in Human Urine and in J82 Urinary Bladder Cells

S Andersen, A Nawrocki, AE Johansen… - Proteomes, 2022 - mdpi.com
Uropathogenic Escherichia coli (UPEC) are the most common cause of urinary tract infection
(UTI). UPEC normally reside in the intestine, and during establishment of UTI, they undergo …

A new member of the flavodoxin superfamily from Fusobacterium nucleatum that functions in heme trafficking and reduction of anaerobilin

AK McGregor, ACK Chan, MD Schroeder… - Journal of Biological …, 2023 - ASBMB
Fusobacterium nucleatum is an opportunistic oral pathogen that is associated with various
cancers. To fulfill its essential need for iron, this anaerobe will express heme uptake …