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Organellar DNA Polymerases in Complex Plastid-Bearing Algae
http://hdl.handle.net/2241/00157111
http://hdl.handle.net/2241/00157111ab3c9f9b-561b-4d0b-9085-06b4ae2bf27e
名前 / ファイル | ライセンス | アクション |
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BMC_09-4 (2.7 MB)
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Item type | Journal Article(1) | |||||||||||
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公開日 | 2019-07-16 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Organellar DNA Polymerases in Complex Plastid-Bearing Algae | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
資源タイプ | ||||||||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
タイプ | journal article | |||||||||||
著者 |
平川, 泰久
× 平川, 泰久
WEKO
108106
× Watanabe, Arisa |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | DNA replication in plastids and mitochondria is generally regulated by nucleus-encoded proteins. In plants and red algae, a nucleus-encoded enzyme called POP (plant and protist organellar DNA polymerase) is involved in DNA replication in both organelles by virtue of its dual localization. POPs are family A DNA polymerases, which include bacterial DNA polymerase I (PolI). POP homologs have been found in a wide range of eukaryotes, including plants, algae, and non-photosynthetic protists. However, the phylogeny and subcellular localizations of POPs remain unclear in many algae, especially in secondary and tertiary plastid-bearing groups. In this study, we report that chlorarachniophytes possess two evolutionarily distinct POPs, and fluorescent protein-tagging experiments demonstrate that they are targeted to the secondary plastids and mitochondria, respectively. The timing of DNA replication is different between the two organelles in the chlorarachniophyte Bigelowiella natans, and this seems to be correlated to the transcription of respective POP genes. Dinoflagellates also carry two distinct POP genes, possibly for their plastids and mitochondria, whereas haptophytes and ochrophytes have only one. Therefore, unlike plants, some algal groups are likely to have evolved multiple DNA polymerases for various organelles. This study provides a new insight into the evolution of organellar DNA replication in complex plastid-bearing organisms. | |||||||||||
書誌情報 |
en : Biomolecules 巻 9, 号 4, p. 140, 発行日 2019-04 |
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ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 2218-273X | |||||||||||
PubMed番号 | ||||||||||||
識別子タイプ | PMID | |||||||||||
関連識別子 | 30959949 | |||||||||||
DOI | ||||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | 10.3390/biom9040140 | |||||||||||
権利 | ||||||||||||
権利情報 | © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). | |||||||||||
著者版フラグ | ||||||||||||
値 | publisher | |||||||||||
出版者 | ||||||||||||
出版者 | MDPI |