NWIPB OpenIR
Phylogeography of Pinus tabulaeformis Carr. (Pinaceae), a dominant species of coniferous forest in northern China
Chen, Kangming1,2; Abbott, Richard J.3; Milne, Richard I.4; Tian, Xin-Min2; Liu, Jianquan1,2
2008-10-01
发表期刊MOLECULAR ECOLOGY
卷号17期号:19页码:4276-4288
文章类型Article
摘要How coniferous trees in northern China changed their distribution ranges in response to Quaternary climatic oscillations remains largely unknown. Here we report a study of the phylogeography of Pinus tabulaeformis, an endemic and dominant species of coniferous forest in northern China. We examined sequence variation of maternally inherited, seed-dispersed mitochondrial DNA (mtDNA) (nad5 intron 1 and nad4/3-4) and paternally inherited, pollen- and seed-dispersed chloroplast DNA (cpDNA) (rpl16 and trnS-trnG) within and among 30 natural populations across the entire range of the species. Six mitotypes and five chlorotypes were recovered among 291 trees surveyed. Population divergence was high for mtDNA variation (G(ST) = 0.738, N-ST = 0.771) indicating low levels of seed-based gene flow and significant phylogeographical structure (N-ST > G(ST), P < 0.05). The spatial distribution of mitotypes suggests that five distinct population groups exist in the species: one in the west comprising seven populations, a second with a north-central distribution comprising 15 populations, a third with a southern and easterly distribution comprising five populations, a fourth comprising one central and one western population, and a fifth comprising a single population located in the north-central part of the species' range. Each group apart from the fourth group is characterized by a distinct mitotype, with other mitotypes, if present, occurring at low frequency. It is suggested, therefore, that most members of each group apart from Group 4 are derived from ancestors that occupied different isolated refugia in a previous period of range fragmentation of the species, possibly at the time of the Last Glacial Maximum. Possible locations for these refugia are suggested. A comparison of mitotype diversity between northern and southern subgroups within the north-central group of populations (Group 2) showed much greater uniformity in the northern part of the range both within and between populations. This could indicate a northward migration of the species from a southern refugium in this region during the postglacial period, although alternative explanations cannot be ruled out. Two chlorotypes were distributed across the geographical range of the species, resulting in lower levels of among-population chlorotype variation. The geographical pattern of variation for all five chlorotypes provided some indication of the species surviving past glaciations in more than one refugium, although differentiation was much less marked, presumably due to the greater dispersal of cpDNA via pollen.; How coniferous trees in northern China changed their distribution ranges in response to Quaternary climatic oscillations remains largely unknown. Here we report a study of the phylogeography of Pinus tabulaeformis, an endemic and dominant species of coniferous forest in northern China. We examined sequence variation of maternally inherited, seed-dispersed mitochondrial DNA (mtDNA) (nad5 intron 1 and nad4/3-4) and paternally inherited, pollen- and seed-dispersed chloroplast DNA (cpDNA) (rpl16 and trnS-trnG) within and among 30 natural populations across the entire range of the species. Six mitotypes and five chlorotypes were recovered among 291 trees surveyed. Population divergence was high for mtDNA variation (G(ST) = 0.738, N(ST) = 0.771) indicating low levels of seed-based gene flow and significant phylogeographical structure (N(ST) > G(ST), P < 0.05). The spatial distribution of mitotypes suggests that five distinct population groups exist in the species: one in the west comprising seven populations, a second with a north-central distribution comprising 15 populations, a third with a southern and easterly distribution comprising five populations, a fourth comprising one central and one western population, and a fifth comprising a single population located in the north-central part of the species' range. Each group apart from the fourth group is characterized by a distinct mitotype, with other mitotypes, if present, occurring at low frequency. It is suggested, therefore, that most members of each group apart from Group 4 are derived from ancestors that occupied different isolated refugia in a previous period of range fragmentation of the species, possibly at the time of the Last Glacial Maximum. Possible locations for these refugia are suggested. A comparison of mitotype diversity between northern and southern subgroups within the north-central group of populations (Group 2) showed much greater uniformity in the northern part of the range both within and between populations. This could indicate a northward migration of the species from a southern refugium in this region during the postglacial period, although alternative explanations cannot be ruled out. Two chlorotypes were distributed across the geographical range of the species, resulting in lower levels of among-population chlorotype variation. The geographical pattern of variation for all five chlorotypes provided some indication of the species surviving past glaciations in more than one refugium, although differentiation was much less marked, presumably due to the greater dispersal of cpDNA via pollen.
关键词Cpdna Glacial Refugia Mtdna North China Phylogeography Pinus Tabulaeformis
WOS标题词Science & Technology ; Life Sciences & Biomedicine
学科领域生物化学 ; 分子生物学
关键词[WOS]POPULATION GENETIC-STRUCTURE ; QINGHAI-TIBETAN PLATEAU ; LAST GLACIAL MAXIMUM ; DIPLOID HYBRID PINE ; CHLOROPLAST DNA ; POSTGLACIAL COLONIZATION ; TEMPERATE PLANTS ; AMERICAN CONIFER ; ORGANELLE DNA ; BLACK SPRUCE
收录类别SCI
语种英语
WOS研究方向Biochemistry & Molecular Biology ; Environmental Sciences & Ecology ; Evolutionary Biology
WOS类目Biochemistry & Molecular Biology ; Ecology ; Evolutionary Biology
WOS记录号WOS:000259525900010
引用统计
被引频次:86[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/1190
专题中国科学院西北高原生物研究所
作者单位1.Lanzhou Univ, Key Lab Arid & Grassland Ecol, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, NW Plateau Inst Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810001, Qinghai, Peoples R China
3.Univ St Andrews, Sch Biol, St Andrews KY16 9TH, Fife, Scotland
4.Univ Edinburgh, Inst Mol Plant Sci, Edinburgh EH9 3JH, Midlothian, Scotland
推荐引用方式
GB/T 7714
Chen, Kangming,Abbott, Richard J.,Milne, Richard I.,et al. Phylogeography of Pinus tabulaeformis Carr. (Pinaceae), a dominant species of coniferous forest in northern China[J]. MOLECULAR ECOLOGY,2008,17(19):4276-4288.
APA Chen, Kangming,Abbott, Richard J.,Milne, Richard I.,Tian, Xin-Min,&Liu, Jianquan.(2008).Phylogeography of Pinus tabulaeformis Carr. (Pinaceae), a dominant species of coniferous forest in northern China.MOLECULAR ECOLOGY,17(19),4276-4288.
MLA Chen, Kangming,et al."Phylogeography of Pinus tabulaeformis Carr. (Pinaceae), a dominant species of coniferous forest in northern China".MOLECULAR ECOLOGY 17.19(2008):4276-4288.
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