Abstract
The nucleotide and amino acid sequence of the ecdysteroid UDP-glucosyltransferase (egt), polyhedrin (pol), inhibitor of apoptosis (iap2 and iap3), late expression factor (lef) 9 and vp1054 genes of a South African isolate of Trichoplusia ni single nucleopolyhedrovirus (TnSNPV) was compared to a Canadian isolate of TnSNPV. Nucleotide and amino acid sequence identity for the compared genes ranged from 89%to 98%and 95%to 99%, respectively. The deduced amino acid sequences of the TnSNPV egt, pol, iap3, lef-9 and vp1054 genes were used to infer phylogenetic trees and these were compared to the tree inferred from combined data sets consisting of the amino acid sequences of polyhedrin/granulin, lef-8 and lef-9 genes of 48 completely sequenced baculoviruses. The topologies of trees for the baculovirus core genes pol, lef-9 and vp1054 were better resolved than that of the auxiliary genes iap2, iap3 and egt when compared to the tree inferred from complete genome sequences. Sequence and phylogenetic analysis confirm...
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