Fig. 1

Comparative genomics analysis of the Gynaephora qinghaiensis genome. To the left is the maximum likelihood phylogenetic tree displaying gene family expansion and contraction in G. qinghaiensis compared with other 13 lepidopteran species. The green and red numbers indicate the numbers of expanded and contracted gene families, respectively. Branch lengths represent divergence times. All nodes received 100% bootstrap support, except for the nodes in blue, whose bootstrap support value is 90%. To the right is the gene counts for different types of orthologous groups in the genomes. “Single copy” indicates universal one-to-one orthologs present in all species; “Universal” indicates other universal genes; “Species specific” indicates species-specific genes with more than one copy. “Unassigned genes” indicates species-specific genes with only one copy in the genome; “Others” indicates remaining genes.