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Clinical and Diagnostic Laboratory Immunology, May 2001, p. 632-636, Vol. 8, No. 3
1071-412X/01/$04.00+0   DOI: 10.1128/CDLI.8.3.632-636.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Elastase Deficiency Phenotype of Pseudomonas aeruginosa Canine Otitis Externa Isolates

Shana R. Petermann,1 Curt Doetkott,2 and Lynn Rust1,*

Department of Veterinary and Microbiological Sciences1 and Information Technology Services,2 North Dakota State University, Fargo, North Dakota 58105

Received 28 August 2000/Returned for modification 25 January 2001/Accepted 14 February 2001

Pseudomonas aeruginosa veterinary isolates were assayed for elastase and total matrix protease activity. The elastase activity of canine ear isolates was much less than that of strain PAO1 and that of all other veterinary isolates (P < 0.0001). The results indicate that canine ear isolates have a distinct elastase phenotype.

* Corresponding author. Mailing address: Department of Veterinary and Microbiological Sciences, North Dakota State University, P.O. Box 5406, Fargo, ND 58105. Phone: (701) 231-7848. Fax: (701) 231-7514. E-mail: Lynn_Rust{at}ndsu.nodak.edu.

Clinical and Diagnostic Laboratory Immunology, May 2001, p. 632-636, Vol. 8, No. 3
1071-412X/01/$04.00+0   DOI: 10.1128/CDLI.8.3.632-636.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.




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