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Identification of 1,2,4-trichlorobenzene-mineralizing bacteria and their function analysis

  • Fang Wang
  • , U. Dorfler
  • , M. Schmid
  • , S. Grundmann
  • , J. C. Munch
  • , Xin Jiang
  • , R. Schroll
  • Chinese Academy of Sciences
  • Helmholtz Zentrum München German Research Center for Environmental Health

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Two strains, E3 and F2, capable to mineralize 1,2,4-trichlorobenzene (1,2,4-TCB) were isolated from a chlorinated benzenes contaminated soil using 14C-1,2,4-TCB as carbon source. They were identified by their 16S rDNA coding genes and fluorescence in situ hybridization (FISH) analysis as members of the genus Bordetella. A similarity of 100% were observed between strains E3 and F2 with their 16S rDNA sequences. They had the highest homology of 100% with Bordetella sp. QJ2-5 and the closest relation to described species, Bordetella petrii (GDH030510) with a similarity of 99.4%. Strains E3 and F2 could degrade about 90% of 1,2,4-TCB and mineralize 58% and 46% of 1,2,4-TCB to CO2 within 30 days in mineral liquid cultures, respectively. Biomass was formed during the mineralization process.

Original languageEnglish
Pages (from-to)1082-1087
Number of pages6
JournalHuanjing Kexue/Environmental Science
Volume28
Issue number5
StatePublished - May 2007
Externally publishedYes

Keywords

  • 16S rDNA
  • Biodegradation
  • Bordetella sp.
  • C-labeled
  • Fluorescence in situ hybridization (FISH)
  • TCB

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