The incongruent phylogenies of the genes studied suggest that horizontal gene transfer and recombination shape mesorhizobial populations in the gene center of the host plants.
不同基因的系统发育树的不一致之处显示出在黄芪根瘤菌的进化过程中存在基因的水平传递和基因重组。
2
Older stages are not yet amenable to this type of analysis, and the organisms at the base of universal phylogenies are cladistically ancient species, not primitive unmodified microbes.