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Eukaryotic Cell, June 2003, p. 646-650, Vol. 2, No. 3
1535-9778/03/$08.00+0 DOI: 10.1128/EC.2.3.646-650.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.
J. C. W. Wong, and V. K. L. Hung
Department of Biology, Hong Kong University of Science and Technology, Kowloon, Hong Kong, People's Republic of China
Received 22 October 2002/ Accepted 3 January 2003
The dinoflagellates have very large genomes encoded in permanently condensed and histoneless chromosomes. Sequence alignment identified significant similarity between the dinoflagellate chromosomal histone-like proteins of Crypthecodinium cohnii (HCCs) and the bacterial DNA-binding and the eukaryotic histone H1 proteins. Phylogenetic analysis also supports the origin of the HCCs from histone-like proteins of bacteria.
Present address: Department of Biochemistry and the Biotechnology Research Institute, Hong Kong University of Science and Technology, Kowloon, Hong Kong, People's Republic of China.
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