DNA Microarray Analysis of Plastid Gene Expression in an<i>Arabidopsis</i>Mutant Deficient in a Plastid Transcription Factor Sigma, SIG2
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- NAGASHIMA Akitomo
- Laboratory of Molecular Genetics, Department of Molecular Biology, Institute of Molecular and Cellular Biosciences, The University of Tokyo
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- HANAOKA Mitsumasa
- Laboratory of Molecular Genetics, Department of Molecular Biology, Institute of Molecular and Cellular Biosciences, The University of Tokyo
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- MOTOHASHI Reiko
- Plant Mutation Exploration Team, Plant Functional Genomics Research Group, RIKEN Genomic Sciences Center
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- SEKI Motoaki
- Laboratory of Plant Molecular Biology, RIKEN Tsukuba Institute Plant Mutation Exploration Team, Plant Functional Genomics Research Group, RIKEN Genomic Sciences Center
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- SHINOZAKI Kazuo
- Laboratory of Plant Molecular Biology, RIKEN Tsukuba Institute Plant Mutation Exploration Team, Plant Functional Genomics Research Group, RIKEN Genomic Sciences Center
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- KANAMARU Kengo
- Laboratory of Molecular Genetics, Department of Molecular Biology, Institute of Molecular and Cellular Biosciences, The University of Tokyo
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- TAKAHASHI Hideo
- Laboratory of Molecular Genetics, Department of Molecular Biology, Institute of Molecular and Cellular Biosciences, The University of Tokyo
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- TANAKA Kan
- Laboratory of Molecular Genetics, Department of Molecular Biology, Institute of Molecular and Cellular Biosciences, The University of Tokyo
書誌事項
- タイトル別名
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- DNA Microarray Analysis of Plastid Gene Expression in an Arabidopsis Mutant Deficient in a Plastid Transcription Factor Sigma, SIG2
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抄録
The plastid genome of higher plants contains more than one hundred genes for photosynthesis, gene expression, and other processes. Plastid transcription is done by two types of RNA polymerase, PEP and NEP. PEP is a eubacteria-type RNA polymerase that is essential for chloroplast development. In Arabidopsis thaliana, six sigma factors (SIG1-6) are encoded by the nuclear genome, and postulated to determine the transcription specificity of PEP. In this study, we constructed a DNA microarray for all of the plastid protein-coding genes, and analyzed the effects of the sig2 lesion on the global plastid gene expression. Of the 79 plastid protein genes, it was found that only the psaJ transcript was decreased in the mutant, whereas transcripts of 47 genes were rather increased. Since many of the up-regulated genes are under the control of NEP, it was suggested that the NEP activity was increased in the sig2-1 mutant.
収録刊行物
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 68 (3), 694-704, 2004
公益社団法人 日本農芸化学会
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詳細情報 詳細情報について
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- CRID
- 1390282681452370176
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- NII論文ID
- 10013143221
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- NII書誌ID
- AA10824164
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- ISSN
- 13476947
- 09168451
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- NDL書誌ID
- 6904503
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- PubMed
- 15056905
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可