A Plant Peptide Encoded by <i>CLV3</i> Identified by in Situ MALDI-TOF MS Analysis
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- Tatsuhiko Kondo
- Graduate School of Bio-Agricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
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- Shinichiro Sawa
- Graduate School of Bio-Agricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
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- Atsuko Kinoshita
- Graduate School of Bio-Agricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
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- Satoko Mizuno
- Graduate School of Bio-Agricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
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- Tatsuo Kakimoto
- Graduate School of Bio-Agricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
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- Hiroo Fukuda
- Graduate School of Bio-Agricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
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- Youji Sakagami
- Graduate School of Bio-Agricultural Sciences, Nagoya University, Chikusa, Nagoya, 464-8601, Japan.
抄録
<jats:p> The <jats:italic>Arabidopsis CLAVATA3</jats:italic> ( <jats:italic>CLV3</jats:italic> ) gene encodes a stem cell–specific protein presumed to be a precursor of a secreted peptide hormone. Matrix-assisted laser desorption/ionization–time-of-flight mass spectrometry (MALDI-TOF MS) applied to in situ <jats:italic>Arabidopsis</jats:italic> tissues determined the structure of a modified 12–amino acid peptide (MCLV3), which was derived from a conserved motif in the CLV3 sequence. Synthetic MCLV3 induced shoot and root meristem consumption as cells differentiated into other organs, displaying the typical phenotype of transgenic plants overexpressing <jats:italic>CLV3</jats:italic> . These results suggest that the functional peptide of CLV3 is MCLV3. </jats:p>
収録刊行物
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- Science
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Science 313 (5788), 845-848, 2006-08-11
American Association for the Advancement of Science (AAAS)
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詳細情報 詳細情報について
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- CRID
- 1361137043973299072
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- NII論文ID
- 80019014311
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- ISSN
- 10959203
- 00368075
- http://id.crossref.org/issn/00368075
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