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Volume 6, Number 3—June 2000

Research

Genetic Variation in Pneumocystis carinii Isolates from Different Geographic Regions: Implications for Transmission

Charles B. Beard*Comments to Author , Jane L. Carter*, Scott P. Keely†, Laurence Huang‡, Norman J. Pieniazek*, Iaci N.S. Moura*, Jacquelin M. Roberts*, Allen W. Hightower*, Michelle S. Bens*, Amanda R. Freeman*, Sherline Lee*, James R. Stringer†, Jeffrey S. Duchin*, Carlos del Rio§, David Rimland§¶, Robert P. Baughman#, Deborah A. Levy*, Vance J. Dietz*, Paul Simon*, and Thomas R. Navin*
Author affiliations: *Centers for Disease Control and Prevention, Atlanta, Georgia, USA; †University of Cincinnati College of Medicine, Cincinnati, Ohio, USA; ‡University of California, San Francisco General Hospital, San Francisco, California, USA; §Emory University School of Medicine, Division of Infectious Diseases, Atlanta, Georgia, USA; ¶Veterans' Affairs Medical Center, Atlanta, Georgia, USA; #University of Cincinnati College of Medicine, Cincinnati, Ohio, USA

Main Article

Table 2

Genotype analysis of Pneumocystis carinii isolates at the DHPS locus

Genotype Nucleotide (amino acid) position/identity Frequency N=220 (%)
1 165 (55)/A (Thr) 68 (30.9)
171 (57)/C (Pro)
2 165 (55)/G (Ala) 13 (5.9)
171 (57)/C (Pro)
3 165 (55)/A (Thr) 5 (2.3)
171 (57)/T (Ser)
4 165 (55)/G (Ala) 109 (49.5)
171 (57)/T (Ser)
mixed 25 (11.4)

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