Re-analysis of omics data indicates Smithella may degrade alkanes by addition to fumarate under methanogenic conditions

@article{Tan2014ReanalysisOO,
  title={Re-analysis of omics data indicates Smithella may degrade alkanes by addition to fumarate under methanogenic conditions},
  author={Boonfei Tan and Camilla L. Nesb{\o} and Julia M. Foght},
  journal={The ISME Journal},
  year={2014},
  volume={8},
  pages={2353-2356}
}
Re-analysis of omics data indicates Smithella may degrade alkanes by addition to fumarate under methanogenic conditions 
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59 Citations
Highly Influential Citations
4
Background Citations
19
Methods Citations
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59 Citations

High Diversity of Anaerobic Alkane-Degrading Microbial Communities in Marine Seep Sediments Based on (1-methylalkyl)succinate Synthase Genes

Findings suggest an unexpectedly high number of yet unknown groups of anaerobic alkane degraders and underline the need for comprehensive surveys of microbial diversity based on metabolic genes in addition to ribosomal genes.

Interrogation of Chesapeake Bay sediment microbial communities for intrinsic alkane-utilizing potential under anaerobic conditions.

Sediments associated with hypoxic water columns contained significantly greater proportions of Bacteria and Archaea consistent with syntrophic degradation of organic matter and methanogenesis compared to less reduced sediments, which suggested that methanogenic conversion of alkanes was occurring.

Ubiquitous Presence and Novel Diversity of Anaerobic Alkane Degraders in Cold Marine Sediments

This study highlights that masD/assA genes are a relevant diagnostic marker to identify seepage and microseepage, e.g., during prospecting for oil and gas, and may act as an indicator of anthropogenic oil spills in marine sediments.

Methanogenic paraffin degradation proceeds via alkane addition to fumarate by 'Smithella' spp. mediated by a syntrophic coupling with hydrogenotrophic methanogens.

Anaerobic microbial biodegradation of recalcitrant, water-insoluble substrates, such as paraffins, presents unique metabolic challenges. To elucidate this process, a methanogenic consortium capable…

Community Structure in Methanogenic Enrichments Provides Insight into Syntrophic Interactions in Hydrocarbon-Impacted Environments

It is shown that a reduction in substrate diversity resulted in a corresponding loss of microbial diversity, but that hydrocarbon biodegradation genes could be retained within a community even in the absence of hydrocarbon substrates, and that syntrophic interactions amongst bacteria themselves are as important as interactions between bacteria and methanogens in complex methanogenic communities.

Metagenomic analysis of an anaerobic alkane-degrading microbial culture: Potential hydrocarbon-activating pathways and inferred roles of community members.

Several homologues of putative hydrocarbon succinate synthase genes implicated in anaerobic hydrocarbon degradatio... are detected.

Comparative analysis of metagenomes from three methanogenic hydrocarbon-degrading enrichment cultures with 41 environmental samples

Three hydrocarbon-degrading methanogenic cultures established from two geographically distinct environments and incubated with different hydrocarbon substrates were subjected to metagenomic and 16S rRNA gene pyrosequencing to test whether differences affect the genetic potential and composition of the communities.

Methanogenic Degradation of Long n-Alkanes Requires Fumarate-Dependent Activation

Results provide evidence that long n-alkanes are activated via a fumarate addition mechanism under methanogenic conditions and have important applications for the remediation of oil-contaminated sites and for energy recovery from oil reservoirs.

Anaerobic alkane biodegradation by cultures enriched from oil sands tailings ponds involves multiple species capable of fumarate addition.

Nominally methanogenic oil sands tailings harbour dynamic and versatile hydrocarbon-degrading fermentative syntrophs and sulphate reducers capable of degrading n-, iso- and cyclo-alkanes by addition to fumarate.

Microbial Hydrocarbon Degradation in Guaymas Basin—Exploring the Roles and Potential Interactions of Fungi and Sulfate-Reducing Bacteria

Hydrocarbons are degraded by specialized types of bacteria, archaea, and fungi. Their occurrence in marine hydrocarbon seeps and sediments prompted a study of their role and their potential…
...

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