ArticleThe ISME journal2021
Interspecies metabolite transfer and aggregate formation in a co-culture of Dehalococcoides and Sulfurospirillum dehalogenating tetrachloroethene to ethene.
Article in The ISME journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 53 citations in OpenAlex.
- Top-down/bottom-up consortia achieve robust γ-HCH degradation and reduced methanogenic contribution in wetlands.Applied and environmental microbiology · 2026Article
- Organohalide respiration by a Desulforhopalus-dominated community.The ISME journal · 2026Article
- Cross-feeding and co-degradation within a bacterial consortium dominated by challenging-to-cultureApplied and environmental microbiology · 2025Article
- Unveiling organohalide respiration potential in River Nile sediments via 16S rRNA gene amplicon sequencing of endogenous bacterial communities.BMC microbiology · 2025Article
- Grid partitioning image analysis of highly aggregative bacteriumFrontiers in microbiology · 2025Article
- Comprehensive model for predicting toxic equivalents (TEQ) reduction due to dechlorination of polychlorinated dibenzo-p-dioxin and dibenzofurans (PCDD/F congeners).Journal of hazardous materials · 2024Article
- Organohalide respiration: retrospective and perspective through bibliometrics.Frontiers in microbiology · 2024Article
- Understanding the sources, function, and irreplaceable role of cobamides in organohalide-respiring bacteria.Frontiers in microbiology · 2024Review
- Nitrogen transfer and cross-feeding between Azotobacter chroococcum and Paracoccus aminovorans promotes pyrene degradation.The ISME journal · 2023Article
- Genome-Resolved Metagenomics and Metatranscriptomics Reveal Insights into the Ecology and Metabolism of Anaerobic Microbial Communities in PCB-Contaminated Sediments.Environmental science & technology · 2023Article
- Syntrophic Interactions Ameliorate Arsenic Inhibition of Solvent-DechlorinatingEnvironmental science & technology · 2023Article
- Salinity determines performance, functional populations, and microbial ecology in consortia attenuating organohalide pollutants.The ISME journal · 2023Article
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Corrections and comments
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Authors and funding
13 authors at 4 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Microbial communities involving dehalogenating bacteria assist in bioremediation of areas contaminated with halocarbons. To understand molecular interactions between dehalogenating bacteria, we co-cultured Sulfurospirillum multivorans, dechlorinating tetrachloroethene (PCE) to cis-1,2-dichloroethene (cDCE), and Dehalococcoides mccartyi strains BTF08 or 195, dehalogenating PCE to ethene. The co-cultures were cultivated with lactate as electron donor. In co-cultures, the bacterial cells formed aggregates and D. mccartyi established an unusual, barrel-like morphology. An extracellular matrix surrounding bacterial cells in the aggregates enhanced cell-to-cell contact. PCE was dehalogenated to ethene at least three times faster in the co-culture. The dehalogenation was carried out via PceA of S. multivorans, and PteA (a recently described PCE dehalogenase) and VcrA of D. mccartyi BTF08, as supported by protein abundance. The co-culture was not dependent on exogenous hydrogen and acetate, suggesting a syntrophic relationship in which the obligate hydrogen consumer D. mccartyi consumes hydrogen and acetate produced by S. multivorans. The cobamide cofactor of the reductive dehalogenase-mandatory for D. mccartyi-was also produced by S. multivorans. D. mccartyi strain 195 dechlorinated cDCE in the presence of norpseudo-B
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