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Fig. 1 | BMC Genomics

Fig. 1

From: House spider genome uncovers evolutionary shifts in the diversity and expression of black widow venom proteins associated with extreme toxicity

Fig. 1

House spider genome contains clusters of latrotoxin genes and suggests their relationship with bacterial genes. a Parasteatoda tepidariorum (house spider) genomic scaffold 111 contains 14 tandem latrotoxin genes (blue rectangles) in a 300 kb region; * non-latrotoxin gene (putative transposable element); ** fragmented latrotoxin gene. b Latrotoxin gene (labeled Scaffold901_14) on opposite strand embedded within intron of gene aug3.g8367. The translation of scaffold901_14 (yellow region) has significant BLASTp hits to proteins from the endosymbiotic bacterium Diplorickettsia massiliensis (e-values ranging from 6 × 10−17 to 6 × 10−59); all other proteins encoded on this scaffold only have significant BLASTp hits to metazoan sequences (blue). c Dotplot showing alignment of house spider gene 901_14 that shares significant BLASTn homology (e-value 0.0, 70% identity) to ~1500 bp of the D. massiliensis genome. Please see Additional file 9 for a high resolution version of this figure

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