Molecular phylogeny and biogeography of Gentiana sect. Cruciata (Gentianaceae) based on four chloroplast DNA datasets

Taxon - Tập 58 Số 3 - Trang 862-870 - 2009
Xiaolan Zhang1,2, Yujin Wang3, Xue‐Jun Ge2, Yong‐Ming Yuan2, Huiling Yang4, Jianquan Liu3,4
1Crops Research Institute, Guangdong Academy of Agriculture Science, Guangzhou, 510640 P.R. China
2South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, 510650, P. R. China
3Institute of Molecular Ecology, Laboratory of Arid and Grassland Ecology, School of Life Sciences, Lanzhou University, Lanzhou, 730000 P.R. China
4Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Plateau Institute of Biology, the Chinese Academy of Sciences, Xining, Qinghai, 810008 P.R. China

Tóm tắt

AbstractGentiana sect. Cruciata is mainly found on alpine mountains across Eurasia, with the greatest species diversity occurring on the Qinghai‐Tibetan Plateau (QTP). In this study, we determined the phylogenetic relationships between species within the Cruciata section to further elucidate the biogeographical processes governing these relationships. Phylogenetic reconstructions, based on both parsimony and Bayesian methods, were applied to data from four cpDNA fragments (> 3,000 bp) that were obtained for 39 accessions belonging to Cruciata and related sections or outgroups. Our results suggested that all the species sampled within this section comprise a monophyletic group, but rejected all previous hypotheses regarding intra‐sectional classifications based on gross morphology. Five clades were identified. The basal clade comprised three species that were endemic to the QTP. The clade that diverged second comprised three Central Asian species. The European clade, containing only G. cruciata, was grouped with the remaining two clades containing species from the QTP and central Asia. The biogeographic analyses and divergence estimates suggested that this section diversified initially on the QTP within four million years. Given the low genetic differentiation, most species/clades may be the result of more recent differentiation. These results together confirmed the long‐standing hypothesis that alpine plants in Central Asia and Europe originated from the QTP and/or West China and diversified extensively after the Pliocene when global temperatures decreased.

Từ khóa


Tài liệu tham khảo

Avise J.C., 2000, Phylogeography: The History and Formation of Species., 10.2307/j.ctv1nzfgj7

Axelrod D.I., 1996, Floristic Characteristics and Diversity of Eastern Asian Plants., 43

Chiang T.-Y., 1998, Universal primers for amplification and sequencing a noncoding spacer between the atpB and rbcL genes of chloroplast DNA, Bot. Bull. Acad. Sin., 39, 245

10.1016/S1360-1385(98)01327-2

10.1007/s10592-005-9073-x

10.1111/j.1558-5646.1985.tb00420.x

10.1006/mpev.2000.0844

10.1111/j.1095-8339.1996.tb00480.x

Grossheim A.A., 1952, Flora of the USSR, 387

Halda J.J., 1996, The Genus Gentiana.

Hamilton M.B., 1999, Four primer pairs for the amplification of chloroplast intergenic regions with intraspecific variation, Molec. Ecol., 8, 521

10.1093/molbev/msg190

Ho T.-N., 1988, Flora Reipublicae Popularis Sinicae, 1

Ho T.-N., 1990, The infrageneric classification of Gentiana (Gentianaceae), Bull. Brit. Mus. (Nat. Nist.) Bot., 20, 169

Ho T.-N., 2001, A Worldwide Monograph of Gen-tiana.

10.2307/2399877

10.1126/science.276.5310.227

10.1093/bioinformatics/17.8.754

10.1078/1433-8319-00055

10.1098/rstb.2003.1389

Love A., 1975, The Spanish gentians, Anales Inst. Bot. Cavanilles, 32, 221

Love A., 1976, Recent Advances in Botany, Prof. P. N. Mehra Commemorative Volume., 205

Li J.-J., 1995, Uplift of the Qinghai-Xizang (Tibet) Plateau and Global Change.

Liu J.-Q., 2000, The phylogenetic relationships of Sinadoxa, revealed by the ITS data, Acta Bot. Sin., 42, 656

Liu J.Q., 2001, A preliminary study of the phylogeny of the Swertiinae (Gentianacae) based on ITS data, Isr. J. Pl. Sci., 43, 301, 10.1560/LFYE-YVHQ-BBTH-KMEC

10.1016/S1055-7903(02)00039-8

10.1016/j.ympev.2005.09.010

10.1007/s00606-004-0257-5

Maddison D.R., 2000, MacClade 4: Analysis of Phylogeny and Character Evolution

10.1007/BF00986193

10.1016/j.ympev.2004.06.009

Ozenda P., 1988, Die Vegetation der Alpen.

10.1111/j.1095-8312.2004.00368.x

10.1111/j.1461-0248.2004.00682.x

10.1126/science.1061421

10.1093/sysbio/46.1.195

10.1007/s00606-002-0226-9

Shi Y.-F., 1998, Uplift and Environmental Changes of Qinghai-Tibetan Plateau in the Late Cenozoic.

10.2307/3647448

Swofford D.L., 2003, PAUP* Phylogenetic Analysis Using Parsimony (*and Other Methods)

10.1007/BF00037152

Tang L.-Y., 1996, Late Cenozoic vegetational history and climatic characteristics of Qinghai-Xizang Plateau, Acta Micropalaeontol. Sin., 13, 321

10.1093/nar/25.24.4876

10.1093/aob/mci201

Wang Y.-J., 2004, Molecular phylogeny and biogeography of Androsace (Primulaceae) and the convergent evolution of cushion morphology, Acta Phytotax. Sin., 42, 481

Wang Y.-J., 2004, A preliminary investigation on the phylogeny of Saussurea (Asteraceae: Cardueae) based on chloroplast DNA trnL-F sequences, Acta Phytotax. Sin., 42, 136

10.1093/aob/mcl259

Wu C.-Y., 1987, FloraXizangica., 874

Wu C.-Y., 1988, Hengduan Mountains flora and her significance, J. Jap. Bot., 63, 297

Wu C.-Y., 1996, Floristic Characteristics and Diversity of Eastern Asian Plants., 3

10.1073/pnas.84.24.9054

Wulff E.V., 1943, An Introduction to Historical Plant Geography.

Yuan Y.-M., 1993, Seedcoat micromorphology and its systematic implications for Gentianaceae of Western China, Bot. Helvet., 103, 73

10.1002/j.1537-2197.1996.tb12750.x

10.2307/3558393

10.1086/380747

10.1600/036364407780360265

Thông tin
Thông tin xuất bản

Taxon

Tập 58 Số 3

862-870

Thông tin tác giả