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Applied and Environmental Microbiology, December 1998, p. 4994-4999, Vol. 64, No. 12
Departments of
Microbiology1 and
Chemical and
Bioresource Engineering,2 Center for
Environmental Toxicology and Technology, Colorado State University,
Fort Collins, Colorado 80523
Received 20 April 1998/Accepted 17 August 1998
Species-specific sequences were identified within the V4 variable
region of 16S rRNA of two bacterial species capable of aromatic hydrocarbon metabolism, Pseudomonas putida F1 and
Burkholderia sp. strain JS150, and a third, Bacillus
subtilis ATCC 7003, that can function as a secondary degrader.
Fluorescent in situ hybridization (FISH) with species-specific
oligonucleotides was used for direct counting of these species
throughout a phenol biodegradation experiment in batch culture.
Traditional differential plate counting methods could not be used due
to the similar metabolism and interactions of the primary degraders and
difficulties in selecting secondary degraders in mixed culture. In
contrast, the FISH method provided reliable quantitative results
without interference from those factors.
0099-2240/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Species-Specific Oligonucleotides for Enumeration of
Pseudomonas putida F1, Burkholderia sp. Strain
JS150, and Bacillus subtilis ATCC 7003 in
Biodegradation Experiments
*
Corresponding author. Mailing address: Department
of Microbiology, Colorado State University, Ft. Collins, CO
80523-1677. Phone: (970) 491-8505. Fax: (970) 491-1815. E-mail:
nduteau{at}cvmbs.colostate.edu.
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