New insights into the hybrid origin of Malus toringoides and its close relatives based on a single‐copy nuclear gene SbeI and three chloroplast fragments

@article{Tang2014NewII,
  title={New insights into the hybrid origin of Malus toringoides and its close relatives based on a single‐copy nuclear gene SbeI and three chloroplast fragments},
  author={Liang Tang and Ju Li and Siao Hue Tan and Ming-xia Li and Xiang Ma and Zhi-qin Zhou},
  journal={Journal of Systematics and Evolution},
  year={2014},
  volume={52}
}
Malus toringoides Hughes and its close relatives, M. maerkangensis M. H. Cheng et al., M. setok Vassilcz., and M. xiaojinensis M. H. Cheng & N. G. Jiang were supposed to derive from hybridizations. However, molecular data are still inadequate to corroborate the hybrid origin hypotheses. In this study, we sequenced a single‐copy nuclear gene SbeI and three chloroplast fragments and carried out phylogenetic analyses to investigate the evolutionary origins of the above four putative hybrid taxa… Expand
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