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Fig. 4 | BMC Biology

Fig. 4

From: Genomic architecture of endogenous ichnoviruses reveals distinct evolutionary pathways leading to virus domestication in parasitic wasps

Fig. 4

Comparative analysis of Campoletis sonorensis and Hyposoter didymator IVSPERs. A Synteny between the IVSPERs identified in H. didymator (Hd) and C. sonorensis (Cs) genomes. B Synteny of H. didymator genomic regions containing IVSPERs compared with C. sonorensis and other parasitoid genomes. (a) Synteny for H. didymator genomic region containing IVSPER-1 and IVSPER-2 (genes from HD016092 to HD016153); no C. sonorensis scaffold corresponded to the H. didymator IVSPER insertion sites. (b) Synteny for H. didymator genomic region containing IVSPER-4 (genes from HD001703 to HD001771); H. didymator IVSPER-4 and C. sonorensis IVSPER-4 are inserted in the same genomic environment. c Synteny for H. didymator genomic region containing IVSPER-3 and IVSPER-5 (genes from HD002066 to HD002111); in the region where H. didymator IVSPER-3 is inserted, there is conservation in gene order compared to C. sonorensis but no viral insertion; conversely, H. didymator IVSPER-5 and C. sonorensis IVSPER-5 are inserted in the same genomic environment. H. didymator genes from HD010503 to HD010526. Hd: Hyposoter didymator; Cs: Campoletis sonorensis; Vc: Venturia canescens (ichneumonid that has lost the ichnovirus [22]); Md: Microplitis demolitor (braconid with a bracovirus); Fa: Fopius arisanus (braconid with virus-like particles). Numbers following the species name correspond to scaffold number for Hd, Cs, and Vc, NCBI project codes for Md and Fa. Triangles within genomic regions correspond to predicted genes; triangles of the same color correspond to orthologs; white triangles are singletons or orphan genes. For better visualization, the name of the gene is indicated only for some viral (in red for segments, in blue for IVSPERs) genes. See Additional file 13: Table S13, for H. didymator genes list

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