Degradation of simazine by microorganisms isolated from soils of Spanish olive fields

The capability of the microbial flora isolated from an olive field soil from Andalusia to mineralize simazine has been analyzed. From this soil, a group of bacteria capable of degrading 60 mg simazine litre−1 in less than a week has been isolated. These microorganisms showed a low capacity for degra...

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Bibliographic Details
Published in:Pest management science 2005-09, Vol.61 (9), p.917-921
Main Authors: Santiago-Mora, R, Martin-Laurent, F, Prado, R. de, Franco, A.R
Format: Article
Language:English
Subjects:
agricultural soils
Agronomy. Soil science and plant productions
Bacteria
Bacteria - genetics
Bacteria - isolation & purification
Bacteria - metabolism
biochemical pathways
Biodegradation
Biodegradation, Environmental
Biological and medical sciences
Chemical control
chemical reactions
Crops
DNA, Bacterial - analysis
Environmental Sciences
Fundamental and applied biological sciences. Psychology
Genes, Bacterial
Herbicides
Herbicides - chemistry
Herbicides - metabolism
Life Sciences
metabolites
microbial activity
microbial degradation
mineralization
Models, Chemical
Molecular Structure
Olea
Olea europaea
Olives
Parasitic plants. Weeds
Phylogeny
Phytopathology. Animal pests. Plant and forest protection
simazine
Simazine - chemistry
Simazine - metabolism
soil
Soil and water pollution
Soil Microbiology
Soil microorganisms
Soil science
Spain
Time Factors
weed control
Weeds
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Summary:The capability of the microbial flora isolated from an olive field soil from Andalusia to mineralize simazine has been analyzed. From this soil, a group of bacteria capable of degrading 60 mg simazine litre−1 in less than a week has been isolated. These microorganisms showed a low capacity for degrading this herbicide to carbon dioxide. When total DNA was isolated from this group of bacteria, we were able to detect by PCR the presence of only the atzC and the trzN genes. Some components of this bacterial population have been identified by sequencing of specific fragments from bacterial 16S rDNA, including Variovorax sp, Pseudoxanthomonas mexicana Thierry et al, Acidovorax sp and Methylopila capsulata Doronina et al. These data suggest that this consortium of bacteria performs an incomplete degradation of the simazine Copyright © 2005 Society of Chemical Industry
ISSN:1526-498X
1526-4998
DOI:10.1002/ps.1097