Degradation of 4,5-dichloroguaiacol by soil microorganisms |
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| Authors: | B. González R. Brezny M. Herrera T. W. Joyce |
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| Affiliation: | (1) Laboratorio de Microbiología, Departamento de Biología Celular y Molecular, Facultad de Ciencias Biológicas, P, Universidad Católica de Chile, Alamede 340, Casilla 114-D, Santiago, Chile;(2) Department of Wood & Paper Science, North Carolina State University, 27695-8005 Raleigh, North Carolina, USA;(3) Present address: Faculty of Chemical Technology, Department of Wood, Pulp and Paper, Slovak Technical University, 812 37 Bratislava, Slovakia |
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| Abstract: | No microorganisms could be isolated from chemostats or from a soil column fed with 4,5-dichloroguaiacol as the only carbon source. If guaiacol was added to chemostats with 4,5-dichloroguaiacol, either soil microbial consortia or guaiacol-degrading bacteria could dechlorinate the 4,5-dichloroguaiacol provided it was <0.2mm. A microbial consortium from farm soil removed 4,5-dichloroguaiacol under aerobic or anoxic conditions, with or without chlorolignin. Dichlorocatechol was the only 4,5-dichloroguaiacol-derived metabolite detected. In aerobic incubations, 4,5-dichlorocatechol was further degraded whereas under anoxic conditions it accumulated. |
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| Keywords: | Chemostat chlorocatechol chloroguaiacol chlorolignin soil microorganisms |
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