Comparisons of pollen coat genes across Brassicaceae species reveal rapid evolution by repeat expansion and diversification.
Comparisons of pollen coat genes across Brassicaceae species reveal rapid evolution by repeat expansion and diversification.
Aretha Fiebig,R. Kimport,D. Preuss
2004 · DOI: 10.1073/PNAS.0305448101
Proceedings of the National Academy of Sciences of the United States of America · 72 Citations
TLDR
It is concluded that rapid GRP evolution is primarily due to duplication, deletion, and divergence of repetitive sequences, and may mediate pollen recognition and hydration by female cells, and convergence of these genes could correlate with or even promote speciation.