Yongshuai Sun

Publications30
h-index14
Citations778
Highly Influential Citations62
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Phylogeographic studies of plants in China: Advances in the past and directions in the future
TLDR
It is advocated that phylogeographic studies of plants in China should be directed to the closely related species or a monophyletic group in the coming years; and population genetic data based on direct sequencing multiple loci, especially those from nuclear genome and statistical tests should be widely adopted and enforced. Expand
Evolutionary history of Purple cone spruce (Picea purpurea) in the Qinghai–Tibet Plateau: homoploid hybrid origin and Pleistocene expansion
TLDR
Analyses of genetic divergence, Bayesian clustering and model comparison using approximate Bayesian computation of nuclear (nr) DNA variation all supported the hypothesis that P. purpurea originated by homoploid hybrid speciation from P. wilsonii and P. likiangensis, and suggested that following its origin, P. Purpurea underwent an expansion during/after the largest Pleistocene glaciation for the QTP. Expand
Rapid radiation of Rheum (Polygonaceae) and parallel evolution of morphological traits.
TLDR
Ancestral state reconstruction and likelihood sensitivity tests strongly indicate that both decumbent and 'glasshouse-like' body-plan traits evolved in parallel in different clades of Rheum. Expand
Pliocene intraspecific divergence and Plio‐Pleistocene range expansions within Picea likiangensis (Lijiang spruce), a dominant forest tree of the Qinghai‐Tibet Plateau
TLDR
The findings point to the importance of geological and climatic changes during the Pliocene and Pleistocene as causes of intraspecific diversification and range shifts of dominant tree species in the QTP biodiversity hot spot region. Expand
Multiple autopolyploidizations and range expansion of Allium przewalskianum Regel. (Alliaceae) in the Qinghai‐Tibetan Plateau
TLDR
It is found that the Allium przewalskianum diploid–tetraploid complex underwent an earlier range expansion around 5–150 thousand years ago (kya), after the largest glacial period (800–170 kya) in the QTP. Expand
Phylogeography of Potentilla fruticosa (Rosaceae) in the Qinghai-Tibetan Plateau revisited: a reappraisal and new insights
TLDR
The results suggested that the range of the species radically expanded across the whole Plateau before the last glacial maximum and the south-eastern, western and central QTP regions had together provided important refugia during recent glacial stages, highlighting the importance of adequate sampling strategies in phylogeographical studies. Expand
Population genetic evidence for speciation pattern and gene flow between Picea wilsonii, P. morrisonicola and P. neoveitchii.
TLDR
Modelling of population genetic data supported the hypothesis that P. morrisonicola derived from P. wilsonii within the more recent past, most probably indicating progenitor-derivative speciation with a distinct bottleneck, although further gene flow from the progenitors to the derivative continued. Expand
Genomic evidence for polyphyletic origins and interlineage gene flow within complex taxa: a case study of Picea brachytyla in the Qinghai‐Tibet Plateau
TLDR
The phylogenomic analyses suggest that the sampled trees of P. brachytyla cluster into two distinct lineages corresponding to the two taxonomically recognized intraspecific varieties, and abba‐baba and ∂a∂i analyses suggests that gene flow between these two independently evolved lineages has been extensive and bidirectional. Expand
Distributional dynamics and interspecific gene flow in Picea likiangensis and P. wilsonii triggered by climate change on the Qinghai-Tibet Plateau
TLDR
The early increase in the distributions of these two species might have been triggered by enlargements of the available cold habitats brought about by QTP uplift and Pleistocene glaciations, but the distributional ranges decreased in response to climatic warming since the end of the largest glaciation. Expand
Trans-lineage polymorphism and nonbifurcating diversification of the genus Picea.
TLDR
The results indicate that introgression and nonbifurcating diversification apply, even between deeply branching lineages of the conifer genus Picea. Expand
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