Phylogenetic relationships among tick subfamilies (Ixodida: Ixodidae: Argasidae) based on the 18S nuclear rDNA gene

被引:125
作者
Black, WC [1 ]
Klompen, JSH [1 ]
Keirans, JE [1 ]
机构
[1] GEORGIA SO UNIV, INST ARTHROPODOL & PARASITOL, STATESBORO, GA 30460 USA
基金
美国国家科学基金会;
关键词
D O I
10.1006/mpev.1996.0382
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Phylogenetic relationships among tick subfamilies have been estimated using morphological and molecular characters. However, the phylogeny based on a portion of the 16S mitochondrial rDNA gene differed from the morphologically based phylogeny in a number of important respects, The entire 18S rDNA gene was examined in 18 taxa from all tick subfamilies to test the 16S rDNA based phylogeny. The 18S phylogeny supports the earlier 168 based phylogeny in placing members of Hyalomminae on a common branch with members of the Rhipicephalinae and in indicating long branch lengths among soft tick taxa. However, unlike the 16S phylogeny, Amblyomminae was monophyletic and members of Haemaphysalinae did not arise within Amblyomminae, Argasinae formed a monophyletic group within Argasidae and was not a sister taxon of the hard ticks. In most respects, the phylogeny based on the 18S rDNA gene resembles the morphologically based phylogeny. (C) 1997 Academic Press.
引用
收藏
页码:129 / 144
页数:16
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