Duplication of centromeric histone H3 (HTR12) gene in Arabidopsis halleri and A. lyrata, plant species with multiple centromeric satellite sequences.

@article{Kawabe2006DuplicationOC,
  title={Duplication of centromeric histone H3 (HTR12) gene in Arabidopsis halleri and A. lyrata, plant species with multiple centromeric satellite sequences.},
  author={Akira Kawabe and Shuhei Nasuda and Deborah Charlesworth},
  journal={Genetics},
  year={2006},
  volume={174 4},
  pages={2021-32}
}
Arabidopsis halleri and lyrata have three different major centromeric satellite sequences, a unique finding for a diploid Arabidopsis species. Since centromeric histones coevolve with centromeric satellites, these proteins would be predicted to show signs of selection when new centromere satellites have recently arisen. We isolated centromeric protein genes from A. halleri and lyrata and found that one of them, HTR12 (CENP-A), is duplicated, while CENP-C is not. Phylogenetic analysis indicates… CONTINUE READING
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