Chloroplast DNA indicates a single origin of the allotetraploid Arabidopsis suecica

@article{Sll2003ChloroplastDI,
  title={Chloroplast DNA indicates a single origin of the allotetraploid Arabidopsis suecica},
  author={Torbj{\"o}rn S{\"a}ll and Mattias Jakobsson and Christina Lind‐Halld{\'e}n and Christer Halld{\'e}n},
  journal={Journal of Evolutionary Biology},
  year={2003},
  volume={16}
}
DNA sequencing was performed on up to 12 chloroplast DNA regions [giving a total of 4288 base pairs (bp) in length] from the allopolyploid Arabidopsis suecica (48 accessions) and its two parental species, A. thaliana (25 accessions) and A. arenosa (seven accessions). Arabidopsis suecica was identical to A. thaliana at all 93 sites where A. thaliana and A. arenosa differed, thus showing that A. thaliana is the maternal parent of A. suecica. Under the assumption that A. thaliana and A. arenosa… 
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TLDR
This study is the first of a wild, nonmodel plant genus that uses a combination of chloroplast and multiple low-copy nuclear loci for phylogenetic inference of polyploid evolution and does not lend support to previous hypotheses on the origin of C. bursa-pastoris.
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