Molecular phylogenetic analyses of the mitochondrial ADP-ATP carriers:: The Plantae/Fungi/Metazoa trichotomy revisited

被引:27
作者
Löytynoja, A [1 ]
Milinkovitch, MC [1 ]
机构
[1] Free Univ Brussels, Inst Mol Biol & Med, Unit Evolutionary Genet, B-6041 Gosselies, Belgium
关键词
eukaryote crown; AAC transporters; multigene family; phylogeny;
D O I
10.1073/pnas.181187698
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
We investigated the basal phylogeny of eukaryotes through analyses of sequences from the ADP-ATP mitochondrial carrier, a transmembrane protein that is stable in function across eukaryote kingdoms. The ADP-ATP data strongly suggest the grouping of Plantae and Fungi to the exclusion of Metazoa. We implemented several procedures to avoid pervasive analytical artifacts such as erroneous alignment, random rooting, long branch attraction, and misidentification of noisy characters. The quest of an eukaryote tree that would be largely consistent across multiple loci might be essentially illusory because of differential lineage sorting, horizontal gene transfer, and the chimeric nature of early eukaryotes. Better understanding of these evolutionary parameters, requiring separate phylogenetic analyses of multiple independent loci, is fundamental for resolution of the modes of emergence and evolution of the major eukaryote lineages.
引用
收藏
页码:10202 / 10207
页数:6
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