A novel model for analysis baculovirus phylogenies was established by comparison of the gene transcriptional direction of baculoviruses.The method was confirmed by distance analysis of single gene.

• 通过比较杆状病毒基因组中基因的转录方向，建立了一种新的进化分析模式，并通过单个基因距离分析证实了此法的有效性。