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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
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Disease relevance of Epsilonproteobacteria


High impact information on Epsilonproteobacteria

  • All the Epsilonproteobacteria tested had all three key reductive tricarboxylic acid (rTCA) cycle enzymatic activities--ATP-dependent citrate lyase, pyruvate:ferredoxin oxidoreductase, and 2-oxoglutarate:ferredoxin oxidoreductase--while they had no ribulose 1,5-bisphosphate carboxylase (RubisCO) activity, the key enzyme in the Calvin-Benson cycle [3].
  • Cage site sediments were also dominated by these phylotypes, as well as members of the Alpha- and Epsilonproteobacteria [4].
  • Consistent with this, the bacterial populations in the fractions were related to Alpha-, Gamma- and Epsilonproteobacteria, most of which were chemoautotrophic bacteria that utilize hydrogen sulfide (or reduced sulfur compounds) and/or methane [5].
  • Comparative genomic analysis show that all sequenced alpha- and epsilon-proteobacteria have fused ispDF genes [6].
  • CONCLUSIONS: The bacterial-type FeS cluster assembly genes of E. histolytica suggest their lateral acquisition from epsilon proteobacteria [7].


  1. Impact of different in vitro electron donor/acceptor conditions on potential chemolithoautotrophic communities from marine pelagic redoxclines. Labrenz, M., Jost, G., Pohl, C., Beckmann, S., Martens-Habbena, W., Jürgens, K. Appl. Environ. Microbiol. (2005) [Pubmed]
  2. Is autoinducer-2 a universal signal for interspecies communication: a comparative genomic and phylogenetic analysis of the synthesis and signal transduction pathways. Sun, J., Daniel, R., Wagner-Döbler, I., Zeng, A.P. BMC Evol. Biol. (2004) [Pubmed]
  3. Enzymatic and genetic characterization of carbon and energy metabolisms by deep-sea hydrothermal chemolithoautotrophic isolates of Epsilonproteobacteria. Takai, K., Campbell, B.J., Cary, S.C., Suzuki, M., Oida, H., Nunoura, T., Hirayama, H., Nakagawa, S., Suzuki, Y., Inagaki, F., Horikoshi, K. Appl. Environ. Microbiol. (2005) [Pubmed]
  4. Bacterial diversity in organically-enriched fish farm sediments. Bissett, A., Bowman, J., Burke, C. FEMS Microbiol. Ecol. (2006) [Pubmed]
  5. Characterization of a deep-sea microbial mat from an active cold seep at the Milano mud volcano in the Eastern Mediterranean Sea. Heijs, S.K., Damsté, J.S., Forney, L.J. FEMS Microbiol. Ecol. (2005) [Pubmed]
  6. Biosynthesis of isoprenoids: a bifunctional IspDF enzyme from Campylobacter jejuni. Gabrielsen, M., Rohdich, F., Eisenreich, W., Gräwert, T., Hecht, S., Bacher, A., Hunter, W.N. Eur. J. Biochem. (2004) [Pubmed]
  7. The iron-sulfur cluster assembly genes iscS and iscU of Entamoeba histolytica were acquired by horizontal gene transfer. van der Giezen, M., Cox, S., Tovar, J. BMC Evol. Biol. (2004) [Pubmed]
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