Alu elements and hominid phylogenetics

被引:121
作者
Salem, AH
Ray, DA
Xing, J
Callinan, PA
Myers, JS
Hedges, DJ
Garber, RK
Witherspoon, DJ
Jorde, LB
Batzer, MA
机构
[1] Louisiana State Univ, Dept Sci Biol, Biol Computat & Visualisat Ctr, Baton Rouge, LA 70803 USA
[2] Suez Canal Univ, Fac Med, Dept Anat, Ismailia 4111, Egypt
[3] Univ Utah, Hlth Sci Ctr, Dept Human Genet, Salt Lake City, UT 84112 USA
关键词
mobile elements; short interspersed elements; trichotomy; primates;
D O I
10.1073/pnas.2133766100
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Alu elements have inserted in primate genomes throughout the evolution of the order. One particular Alu lineage (Ye) began amplifying relatively early in hominid evolution and continued propagating at a low level as many of its members are found in a variety of hominid genomes. This study represents the first conclusive application of short interspersed elements, which are considered nearly homoplasy-free, to elucidate the phylogeny of hominids. Phylogenetic analysis of Alu Ye5 elements and elements from several other subfamilies reveals high levels of support for monophyly of Hominidae, tribe Hominini and subtribe Hominina. Here we present the strongest evidence reported to date for a sister relationship between humans and chimpanzees while clearly distinguishing the chimpanzee and human lineages.
引用
收藏
页码:12787 / 12791
页数:5
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