Conflicting phylogenies of Larix (Pinaceae) based on cytoplasmic and nuclear DNA

被引:39
作者
Semerikov, VL
Zhang, HQ
Sun, M
Lascoux, M
机构
[1] Uppsala Univ, Evolut Biol Ctr, S-75236 Uppsala, Sweden
[2] Inst Plant & Anim Ecol, Ekaterinburg 620144, Russia
[3] Univ Hong Kong, Dept Zool, Hong Kong, Hong Kong, Peoples R China
[4] Liaoning Normal Univ, Dept Biol, Dalian, Peoples R China
关键词
Larix; chloroplast DNA; ITS; AFLP; introgression; incongruence;
D O I
10.1016/S1055-7903(02)00447-5
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
The phylogeny of Larix species,was studied using chloroplast DNA RFLPs and nuclear ITS sequences and AFLPs. The study resolved the sister relationships between the Eurasian and Asian species and the monophyletic origin of each major geographic group. It also provides strong evidence for an early splitting of American Larix from other species in the genus. The discrepancy between phylogenies based on chloroplast DNA and nuclear DNA, previously observed by Qian et al. [Can. J. For. Res. 25 (1995) 1197], is confirmed. Various explanations for the incongruence between chloroplast DNA and nuclear DNA are discussed,, and a tentative reconstruction of Eurasian Larix phylogeography is proposed. (C) 2003 Published by Elsevier Science (USA).
引用
收藏
页码:173 / 184
页数:12
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