This transfer of genetic sequences from parasites to hosts could involve hundreds of genes for a bacterium in different hosts. For example, if the bacterium Wolbachia’s genes are integrated by different hosts, such as spiders, insects, or worms, the hosts’ offspring are also descendants of Wolbachia.
这些从寄生物到寄主的基因序列转移可以让一个附着于不同寄主的细菌演化出数百种不同的基因。比如说，如果沃尔巴克氏（Wolbachia）菌的基因被不同的寄主——比如蜘蛛，昆虫或者蠕虫——整合了，那么寄主的后代同样也会是沃尔巴克氏菌的后代。