文章测定了中国分布的蜜蜂属(Apis)5种蜜蜂22个样本的线粒体基因ND2、CO2、16S rRNA以及核基因ITPR的序列, 对序列的碱基组成和蜜蜂种间的遗传距离进行了分析。结合下载的蜜蜂属其他4个种的相关序列, 采用最大简约法、邻接法和最大似然法重建了蜜蜂属系统发育关系。系统发育分析结果支持蜜蜂属划分为3个类群, 即小蜜蜂类群(包括小蜜蜂和黑小蜜蜂)、大蜜蜂类群(包括大蜜蜂和黑大蜜蜂)和穴居蜜蜂类群(西方蜜蜂、东方蜜蜂、沙巴蜂、苏拉威西蜂、绿努蜂), 且小蜜蜂类群较早分化。结果还显示, 我国海南岛的大蜜蜂和大陆的大蜜蜂之间可能存在较大的遗传分歧。
The sequences of mitochondrial ND2, CO2, and 16S rRNA genes and nuclear ITPR gene were obtained from 22 samples of 5 Apis species from China. The characteristics of the sequences and the pairwise distances among species were analyzed. Phylogenetic trees were reconstructed for Apis species using maximum parsimony, neighbor-joining and maximum likelihood methods together with the sequences of the other 4 Apis species downloaded from GenBank. Results supported that Apis species were divided into three major clusters: dwarf bees (A. florea and A. andreniformis), giant bees (A. dorsata and A. laboriosa), and cavity-nesting bees (A. mellifera, A. cerana, A. koschevnikovi, A. nigrocinta, and A. nuluensis). The dwarf honey bees were confirmed as basal lineage. Our study also revealed a high level of genetic divergence between A. dorsata from Hainan Island and China mainland.
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