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Fig. 1 | BMC Genomics

Fig. 1

From: Evidence of recent interspecies horizontal gene transfer regarding nucleopolyhedrovirus infection of Spodoptera frugiperda

Fig. 1

Genome organization of SfMNPV ColA. The illustrations show the SfColA loci where there are differences regarding other genotypes of this baculovirus species [SfMNPV NicB (SfNicB), SfMNPV 19 (Sf19) and SfMNPV 3AP2 (Sf3AP2)]. In all cases, the SNPs (single nucleotide polymorphisms; asterisks), indels (sequence insertion-deletions; filled circles indicating in parenthesis the number of nucleotides added or deleted) and the annotated ORFs (shown as arrows) are highlighted in each locus. a Region containing SfColA ORF005/006/007. White boxes indicate sequences shared by alphabaculoviruses and direct repeats are shown as red triangles. b Region containing SfColA ORF023/024. Sequences involved in gene replacement are shaded and the respective ORFs located in that position are differentially colored (white in SfColA and black in the other ones). In Sf3AP2 the ORF023 ortholog of SfNicB and Sf19 is annotated as ORF022. c Region containing egt gene in SfColA, SfNicB and Sf19. The unknown gene annotated in all genomes downstream to the egt gene is ORF028 in SfColA, ORF027 in SfNicB, ORF026 in Sf19 and ORF027 in Sf3AP2. The deleted region in Sf3AP2 is shaded in grey. d Regions containing SfColA ORF033 and ORF124. The orthologs of the first one in SfNicB and Sf3AP2 are annotated as ORF032. The orthologs of the second sequence in Sf19 and Sf3AP2 are annotated as ORF121 and ORF122, respectively. e Region containing SfColA ORF131 and ORF131a. The orthologs in Sf19 and Sf3AP2 are ORF 127a/128 and ORF 129/130, respectively. Four SNPs and a deletion determined the absence of a coding sequence equivalent to SfColA ORF131 in the genome of SfNicB. The p26 gene in SfNicB has an insertion of 60 nt. f Genome representations of homologous region distribution

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