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A putative mitochondrial ftsZ gene is present in the unicellular primitive red alga Cyanidioschyzon merolae

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Abstract.

Two ftsZ homologues were isolated from the unicellular primitive red alga Cyanidioschyzon merolae (CmftsZ1 and CmftsZ2). Phylogenetic analysis revealed that CmftsZ1 is most closely related to the ftsZ genes of α-Proteobacteria, suggesting that it is a mitochondrial-type ftsZ gene, whereas CmftsZ2 is most closely related to the ftsZ genes of cyanobacteria, suggesting that it is a plastid-type ftsZ gene. Southern analysis indicates that CmftsZ1 and CmftsZ2 are both single-copy genes located on chromosome XIV in the C. merolae genome. Northern analysis revealed that both CmftsZ1 and CmftsZ2 are transcribed, and accumulate specifically before cell and organelle division. The results of Western analysis suggest that CmFtsZ1 is localized in mitochondria.

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Author notes

  1. H. Takahashi

    Present address: Present addresses: Department of Applied Biological Science, Faculty of Science and Technology, Science University of Tokyo, Noda, Chiba 278-8510, Japan

  2. S. Matsunaga

    Present address: Present addresses: Department of Integrated Biosciences, Graduate School of Frontier Sciences, University of Tokyo, Hongo, Tokyo 113-0033, Japan

  3. H. Takano

    Present address: Present addresses: Department of Biological Science, Faculty of Science, Kumamoto University, Kumamoto 860-8555, Japan

  4. A. Sakai

    Present address: Present addresses: Department of Biological Science, Faculty of Science, Nara Women's University, Nara 630-8506, Japan

Authors and Affiliations

  1. Department of Biological Sciences, Graduate School of Science, University of Tokyo, Hongo, Tokyo 113-0033, Japan

    M. Takahara, H. Takahashi, S. Matsunaga, S. Miyagishima, H. Takano, A. Sakai, S. Kawano & T. Kuroiwa

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  1. M. Takahara
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  2. H. Takahashi
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  3. S. Matsunaga
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  4. S. Miyagishima
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  5. H. Takano
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  6. A. Sakai
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  7. S. Kawano
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  8. T. Kuroiwa
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Takahara, M., Takahashi, H., Matsunaga, S. et al. A putative mitochondrial ftsZ gene is present in the unicellular primitive red alga Cyanidioschyzon merolae . Mol Gen Genet 264, 452–460 (2000). https://doi.org/10.1007/s004380000307

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  • DOI: https://doi.org/10.1007/s004380000307

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