Comment on

• Single gene circles in dinoflagellate chloroplast genomes.

  Zhang Z, Green BR, Cavalier-Smith T. Zhang Z, et al. Nature. 1999 Jul 8;400(6740):155-9. doi: 10.1038/22099. Nature. 1999. PMID: 10408440
• Chlorophyll b and phycobilins in the common ancestor of cyanobacteria and chloroplasts.

  Tomitani A, Okada K, Miyashita H, Matthijs HC, Ohno T, Tanaka A. Tomitani A, et al. Nature. 1999 Jul 8;400(6740):159-62. doi: 10.1038/22101. Nature. 1999. PMID: 10408441