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Volume 15, Number 6—June 2009

Dispatch

Phocine Distemper Virus in Northern Sea Otters in the Pacific Ocean, Alaska, USA

Tracey GoldsteinComments to Author , Jonna A.K. Mazet, Verena A. Gill, Angela M. Doroff, Kathy A. Burek, and John A. Hammond1
Author affiliations: University of California, Davis, California, USA (T. Goldstein, J.A.K. Mazet); US Fish and Wildlife Service, Anchorage, Alaska, USA (V.A. Gill, A.M. Doroff); Alaska Veterinary Pathology Services, Eagle River, Alaska, USA (K.A. Burek); Stanford University School of Medicine, Stanford, California, USA (J.A. Hammond)

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Figure 2

Neighbor-joining bootstrap tree (1,000 replicates, pairwise deletion comparisons, Tamura-Nei model) shows that morbillivirus fragments isolated from northern sea otters are identical to those of the 2002 PDV isolates. All known corresponding phosphoprotein gene fragments from morbilliviruses (Technical Appendix) were compared by using Molecular Evolutionary Genetics Analysis software version 3.1 (www.megasoftware.net/mega.html). Scale bar indicates number of nucleotide substitutions per site.

Figure 2. Neighbor-joining bootstrap tree (1,000 replicates, pairwise deletion comparisons, Tamura-Nei model) shows that morbillivirus fragments isolated from northern sea otters are identical to those of the 2002 PDV isolates. All known corresponding phosphoprotein gene fragments from morbilliviruses (Technical Appendix) were compared by using Molecular Evolutionary Genetics Analysis software version 3.1 (www.megasoftware.net/mega.html). Scale bar indicates number of nucleotide substitutions per site.

Main Article

1Current affiliation: Institute for Animal Health, Newbury, UK.

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