In this study, the phylogenetic trees of chemokines and chemokine receptorsare produced, based on distance parsimonious method, using available amino acid sequences from GenBank.

• 通过分析现有的趋化因子和趋化因子受体的氨基酸序列，用距离法和最简约法构建了聚类图，探讨了趋化因子和趋化因子受体基因家族的系统演化特征。