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Volume 14, Number 2—February 2008


Genetic Characterization of Feline Leukemia Virus from Florida Panthers

Meredith A. Brown*, Mark W. Cunningham†, Alfred L. Roca*‡§, Jennifer L. Troyer*§, Warren E. Johnson*, and Stephen J. O’Brien*Comments to Author 
Author affiliations: *National Cancer Institute, Frederick, Maryland, USA; †Florida Fish and Wildlife Conservation Commission, Gainesville, Florida, USA; ‡University of Illinois at Urbana-Champaign, Urbana, Illinois, USA; §SAIC-Frederick, Frederick, Maryland, USA;

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Mean percent amino acid and nucleotide env sequence differences of feline leukemia virus subgroups, FeLV-945, and FeLV-Pco strains*

Strain FeLV A† FeLV B‡ FeLV C§ FeLV-945¶ FeLV Pco#
FeLV A 1.8, 3.8 10.3 6.6 6.4 6.1
FeLV B 19.1 NA 13.2 14 13.3
FeLV C 16.3 28.7 14.2, 6.2 7.3 7.4
FeLV 945 15.2 30.1 16.4 NA 1.5
FeLV Pco 14.3 28.2 16.7 3.5 0.4, 0.1

*FeLV, feline leukemia virus. Shaded gray boxes contain mean percent sequence differences within strain. Boldface indicates mean percent amino acid env sequence differences, 1,689 bp (see Figure 2). Nucleotide differences are above diagonal.
†M18247, M18248, M12500, AF052723.
§M14331, M23025
#Pco-1058-02 (9 cloned sequences), Pco-1058-03 (16 cloned sequences), Pco-1087-04 (17 cloned sequences), Pco-1098-04 (8 cloned sequences).

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