Enzymatic carbon-fluorine bond cleavage by human gut microbes

SI Probst, FD Felder, V Poltorak, R Mewalal, IK Blaby… - bioRxiv, 2024 - biorxiv.org
The human gut microbiota is known for its pharmaceutical biotransformation capabilities.
Many pharmaceuticals are fluorinated; however, it was previously unknown whether gut …

Microwell Fluoride Screen for Chemical, Enzymatic, and Cellular Reactions Reveals Latent Microbial Defluorination Capacity for −CF3 Groups

MD Bygd, KG Aukema, JE Richman… - Applied and …, 2022 - Am Soc Microbiol
The capacity to defluorinate polyfluorinated organic compounds is a rare phenotype in
microbes but is increasingly considered important for maintaining the environment. New …

Microbial cleavage of C‒F bonds in per-and polyfluoroalkyl substances via dehalorespiration

Y Yu, K Zhang, Z Li, C Ren, J Liu, Y Men - 2019 - chemrxiv.org
Regarding the emerging concerns of the widely occurred and environmentally persistent per-
and polyfluoroalkyl substances (PFASs), one intriguing and unsolved scientific question for …

Fluorine biocatalysis

L Wu, F Maglangit, H Deng - Current Opinion in Chemical Biology, 2020 - Elsevier
The introduction of fluorine atoms into organic molecules has received considerable
attention as these organofluorines have often found widespread applications in bioorganic …

Electron-bifurcation and fluoride efflux systems in Acetobacterium spp. drive defluorination of perfluorinated unsaturated carboxylic acids

Y Yu, F Xu, W Zhao, C Thoma, S Che, JE Richman… - bioRxiv, 2023 - biorxiv.org
Enzymatic cleavage of C—F bonds in per–and polyfluoroalkyl substances (PFAS) is largely
unknown but avidly sought to promote systems biology for PFAS bioremediation. Here, we …

Design of Novel Dehalogenases using Protein Large Language Models

LN Garcia, W Nauber, C Dahlgren, T Reyes, J Santos… - bioRxiv, 2024 - biorxiv.org
Per-and polyfluoroalkyl substances (PFAS) are toxic compounds linked to cancers, infertility,
and vaccine resistance at concentrations above 1 part per trillion. Owing to strong carbon …

The link between ancient microbial fluoride resistance mechanisms and bioengineering organofluorine degradation or synthesis

RB Stockbridge, LP Wackett - Nature Communications, 2024 - nature.com
Fluorinated organic chemicals, such as per-and polyfluorinated alkyl substances (PFAS)
and fluorinated pesticides, are both broadly useful and unusually long-lived. To combat …

Electron bifurcation and fluoride efflux systems implicated in defluorination of perfluorinated unsaturated carboxylic acids by Acetobacterium spp

Y Yu, F Xu, W Zhao, C Thoma, S Che, JE Richman… - Science …, 2024 - science.org
Enzymatic cleavage of C─ F bonds in per-and polyfluoroalkyl substances (PFAS) is largely
unknown but avidly sought to promote systems biology for PFAS bioremediation. Here, we …

Mapping the reaction coordinates of enzymatic defluorination

PWY Chan, AF Yakunin, EA Edwards… - Journal of the American …, 2011 - ACS Publications
The carbon− fluorine bond is the strongest covalent bond in organic chemistry, yet
fluoroacetate dehalogenases can readily hydrolyze this bond under mild physiological …

Structural insights into hydrolytic defluorination of difluoroacetate by microbial fluoroacetate dehalogenases

AN Khusnutdinova, KA Batyrova, G Brown… - The FEBS …, 2023 - Wiley Online Library
Fluorine forms the strongest single bond to carbon with the highest bond dissociation energy
among natural products. However, fluoroacetate dehalogenases (FADs) have been shown …