E. A. Edwards

From mec cassette to rdhA: a key Dehalobacter genomic neighborhood in a chloroform and dichloromethane-transforming microbial consortium

The paper identifies functional genes in a microbial consortium that dechlorinates chloroform to dichloromethane and mineralizes dichloromethane, using metagenomic and metaproteomic analysis.

Microbial community organization during anaerobic pulp and paper mill wastewater treatment

The paper analyzes microbial community organization in anaerobic wastewater treatment plants using amplicon sequencing and operating data to identify relationships between microbial populations and operational conditions.

A multifunctional Dehalobacter? Tandem chloroform and dichloromethane degradation in a mixed microbial culture

This paper demonstrates a mixed microbial culture that can simultaneously degrade chloroform and dichloromethane to carbon dioxide without exogenous electron donor, suggesting intraspecies electron transfer for CF respiration.

Visualization of syntrophic benzene-fermenting Desulfobacterota ORM2 in a methanogenic enrichment culture using fluorescence in situ hybridization

This study visualizes Desulfobacterota ORM2 cells using FISH, revealing their spatial organization and potential role in growth lag phases in a methanogenic culture.

Candidatus Nealsonbacteria (OD1) are biomass recycling ectosymbionts of methanogenic archaea in a stable benzene-degrading enrichment culture

The paper identifies Ca. Nealsonbacteria DGGOD1a as a biomass recycling ectosymbiont of methanogenic archaea in a benzene-degrading consortium.

Transient Oxygen Exposure Causes Profound and Lasting Changes to a Benzene-Degrading Methanogenic Community

Transient oxygen exposure inhibited methanogenic benzene degradation for a year, causing decay of benzene-fermenting bacteria in an anaerobic culture.

Microbial Community Dynamics of a Sequentially Fed Anaerobic Digester Treating Solid Organic Waste

The paper studies microbial community dynamics in an anaerobic digester treating solid organic waste, finding specific microbial correlations with methane production and feedstock composition.

Heterologous expression of Dehalobacter spp. respiratory reductive dehalogenases in Escherichia coli

This paper develops a method to express reductive dehalogenases from Dehalobacter in E. coli, validated across six enzymes with varying sequence identities.

Identification of a fully dechlorinated product of chlordecone in soil microcosms and enrichment cultures

The paper identifies a fully dechlorinated product of chlordecone in soil microcosms, showing complete dechlorination is possible.

Anaerobic Benzene Biodegradation Linked to Growth of Highly Specific Bacterial Clades

This study compares bioremediation approaches for anaerobic benzene degradation, finding that nitrate amendment or methanogenic bioaugmentation enhance degradation while sulfate biostimulation does not.

Long term survival of Dehalococcoides mccartyi strains in mixed cultures under electron acceptor and ammonium limitation

This study investigates the long-term survival of Dehalococcoides mccartyi strains under electron acceptor and ammonium limitation, finding no evidence of horizontal gene transfer of the vcrA-GI but identifying alternative dechlorination mechanisms and nitrogen-fixing strains.

Biotransformation of lindane (γ-hexachlorocyclohexane) to non-toxic end products by sequential treatment with three mixed anaerobic microbial cultures

This paper demonstrates that sequential treatment with three mixed anaerobic microbial cultures can completely transform lindane into non-toxic end products.

Using cell yields and qPCR to estimate biotic contribution to 1,1,1-trichloroethane dechlorination at a field site treated with granular zero valent iron and guar gum

Evidence for extensive anaerobic dechlorination and transformation of the pesticide chlordecone (C10Cl10O) by indigenous microbes in microcosms from Guadeloupe soil

This study shows that indigenous microbes in Guadeloupe soil can extensively dechlorinate chlordecone under anaerobic conditions, removing up to 9 chlorine atoms and producing degradation products.

Microbial Communities Associated with Sustained Anaerobic Reductive Dechlorination of α-, β-, γ-, and δ-Hexachlorocyclohexane Isomers to Monochlorobenzene and Benzene

This study compares anaerobic microbial communities involved in dechlorinating different HCH isomers, identifying key bacteria and revealing shifts in community composition based on substrate.

Sustained dechlorination of vinyl chloride to ethene in Dehalococcoides-enriched cultures grown without addition of exogenous vitamins and at low pH

This study shows that Dehalococcoides-enriched cultures can sustain TCE dechlorination to ethene at low pH without exogenous vitamins, but VcrA activity declines below pH 6.0.

Antibiotic resistome and microbial community structure during anaerobic co-digestion of food waste, paper and cardboard

This study evaluates antibiotic resistance gene (ARG) diversity and microbial community changes during anaerobic digestion of organic waste, finding reduced ARG abundance but persistence in digestion products.

Solid state anaerobic digestion of mixed organic waste: the synergistic effect of food waste addition on the destruction of paper and cardboard

This study evaluates solid-state anaerobic digestion of mixed organic waste, showing that adding food waste significantly increases methane production from paper and cardboard.

Interspecies malate-pyruvate shuttle drives amino acid exchange in organohalide-respiring microbial communities

This study identifies an interspecies malate-pyruvate shuttle in microbial communities that enables amino acid exchange under redox constraints.

Chlorinated electron acceptor availability selects for specific Dehalococcoides populations in dechlorinating enrichment cultures and in groundwater

This study tracks Dehalococcoides mccartyi population shifts in lab cultures and field sites by analyzing rdhA gene abundances, showing that electron acceptor availability drives population selection.