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Science 6 June 1997:
Vol. 276. no. 5318, pp. 1568 - 1571
DOI: 10.1126/science.276.5318.1568
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Reports

Isolation of a Bacterium That Reductively Dechlorinates Tetrachloroethene to Ethene

Xavier Maymó-Gatell, Yueh-tyng Chien, James M. Gossett, Stephen H. Zinder *

Tetrachloroethene is a prominent groundwater pollutant that can be reductively dechlorinated by mixed anaerobic microbial populations to the nontoxic product ethene. Strain 195, a coccoid bacterium that dechlorinates tetrachloroethene to ethene, was isolated and characterized. Growth of strain 195 with H2 and tetrachloroethene as the electron donor and acceptor pair required extracts from mixed microbial cultures. Growth of strain 195 was resistant to ampicillin and vancomycin; its cell wall did not react with a peptidoglycan-specific lectin and its ultrastructure resembled S-layers of Archaea. Analysis of the 16S ribosomal DNA sequence of strain 195 indicated that it is a eubacterium without close affiliation to any known groups.

X. Maymó-Gatell, Y.-T. Chien, S. H. Zinder, Section of Microbiology, Wing Hall, Cornell University, Ithaca, NY 14853, USA.
J. M. Gossett, School of Civil and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA.
*   To whom correspondence should be addressed. E-mail: shz1{at}cornell.edu

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Appl. Envir. Microbiol. 68, 807-812
   Abstract »    Full Text »    PDF »
Trichloroethene Reductive Dehalogenase from Dehalococcoides ethenogenes: Sequence of tceA and Substrate Range Characterization.
J. K. Magnuson, M. F. Romine, D. R. Burris, and M. T. Kingsley (2000)
Appl. Envir. Microbiol. 66, 5141-5147
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16S rRNA Gene-Based Detection of Tetrachloroethene-Dechlorinating Desulfuromonas and Dehalococcoides Species.
F. E. Löffler, Q. Sun, J. Li, and J. M. Tiedje (2000)
Appl. Envir. Microbiol. 66, 1369-1374
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Influence of Different Electron Donors and Acceptors on Dehalorespiration of Tetrachloroethene by Desulfitobacterium frappieri TCE1.
J. Gerritse, O. Drzyzga, G. Kloetstra, M. Keijmel, L. P. Wiersum, R. Hutson, M. D. Collins, and J. C. Gottschal (1999)
Appl. Envir. Microbiol. 65, 5212-5221
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Fraction of Electrons Consumed in Electron Acceptor Reduction and Hydrogen Thresholds as Indicators of Halorespiratory Physiology.
F. E. Löffler, J. M. Tiedje, and R. A. Sanford (1999)
Appl. Envir. Microbiol. 65, 4049-4056
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Reductive Dechlorination of Chlorinated Ethenes and 1,2-Dichloroethane by "Dehalococcoides ethenogenes" 195.
X. Maymó-Gatell, T. Anguish, and S. H. Zinder (1999)
Appl. Envir. Microbiol. 65, 3108-3113
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Reductive Dechlorination of Tetrachloroethene to cis-1,2-Dichloroethene by a Thermophilic Anaerobic Enrichment Culture.
S. W. M. Kengen, C. G. Breidenbach, A. Felske, A. J. M. Stams, G. Schraa, and W. M. de Vos (1999)
Appl. Envir. Microbiol. 65, 2312-2316
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Isolation from Estuarine Sediments of a Desulfovibrio Strain Which Can Grow on Lactate Coupled to the Reductive Dehalogenation of 2,4,6-Tribromophenol.
A. W. Boyle, C. D. Phelps, and L. Y. Young (1999)
Appl. Envir. Microbiol. 65, 1133-1140
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Evidence for a Chemiosmotic Model of Dehalorespiration in Desulfomonile tiedjei DCB-1.
T. M. Louie and W. W. Mohn (1999)
J. Bacteriol. 181, 40-46
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Impact of Culture-Independent Studies on the Emerging Phylogenetic View of Bacterial Diversity.
P. Hugenholtz, B. M. Goebel, and N. R. Pace (1998)
J. Bacteriol. 180, 4765-4774
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Characterization of a Defined 2,3,5,6-Tetrachlorobiphenyl-ortho-Dechlorinating Microbial Community by Comparative Sequence Analysis of Genes Coding for 16S rRNA.
T. R. Pulliam Holoman, M. A. Elberson, L. A. Cutter, H. D. May, and K. R. Sowers (1998)
Appl. Envir. Microbiol. 64, 3359-3367
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Reductive Dechlorination of Tetrachloroethene to Ethene by a Two-Component Enzyme Pathway.
J. K. Magnuson, R. V. Stern, J. M. Gossett, S. H. Zinder, and D. R. Burris (1998)
Appl. Envir. Microbiol. 64, 1270-1275
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Novel Division Level Bacterial Diversity in a Yellowstone Hot Spring.
P. Hugenholtz, C. Pitulle, K. L. Hershberger, and N. R. Pace (1998)
J. Bacteriol. 180, 366-376
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