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DNA Seq. 1999;10(4-5):343-7.

Comparison of gene arrangements of chloroplasts between two centric diatoms, Skeletonema costatum and Odontella sinensis.

Author information

1
Department of Global Agricultural Sciences, Graduate School of Agriculture and Agricultural Life Sciences, University of Tokyo, Japan. aa87025@mail.ecc.u-toky.ac.jp

Abstract

We have cloned and sequenced 3.4 kbp, 2.5 kbp, 1.9 kbp, 1.6 kbp and 0.5 kbp segments of a marine centric diatom, Skeletonema costatum, chloroplast DNA. These segments contain 28 genes. The genes which are not encoded on chloroplast genomes of chlorophyll a+b plants are found such as the psaD, ycf33, ycf35 and ycf47 genes. The gene sequences were compared with that of Odontella sinensis. At nucleic acid level, the ycf genes have lower homologies (69-87%) with O. sinensis than the other genes (78-100%), and some differences in the gene arrangement are found between two centric diatoms, O. sinensis and S. costatum.

PMID:
10727090
[Indexed for MEDLINE]

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