Sphingomonas herbicidovorans MH: a versatile phenoxyalkanoic acid herbicide degrader.
- Kohler HP EAWAG, Swiss Federal Institute for Environmental Sciences and Technology, Ueberlandstrasse 133, CH-8600 Dübendorf, Switzerland.
- 2001-06-26
Published in:
- Journal of industrial microbiology & biotechnology. - 1999
English
Sphingomonas herbicidovorans MH was isolated from a dichlorprop-degrading soil column. It is able to grow on phenoxyalkanoic acid herbicides, such as mecoprop, dichlorprop, 2,4-D, MCPA, and 2,4-DB. Strain MH utilizes both enantiomers of the chiral herbicides mecoprop and dichlorprop as sole carbon and energy sources. Enantiomer-specific uptake systems are responsible for transporting the acidic substrates across the cell membrane. Catabolism is initiated by two enantiomer-specific alpha-ketoglutarate-dependent dioxygenases that catalyze the cleavage of the ether bond of the respective enantiomer to yield the corresponding phenol and pyruvate. Therefore selective degradation of the enantiomers of mecoprop and dichlorprop by strain MH is not only due to enantioselective catabolism but also to enantioselective transport.
- Language
-
- English
- Open access status
- green
- Identifiers
-
- DOI 10.1038/sj.jim.2900751
- PMID 11423952
- Persistent URL
- https://sonar.ch/global/documents/163338
Statistics
Document views: 19
File downloads:
- Full-text: 0