Plant Peptide Signals

Youji Sakagami, Nagoya University, Japan

Published online: September 2007

DOI: 10.1002/9780470015902.a0020110

The number of plant peptide signal molecules has been increasing and is expected to increase further in the near future. Some peptides have well determined structures, are processed from precursor polypeptides, receive posttranslational modification and interact with their specific receptors. Others are only known from their precursor genes that are suspected to encode biologically active peptides.

Keywords: peptide signal molecules; signal peptide; leucine-rich repeat; receptor kinase; Arabidopsis

Figure 1. Amino acid sequences of systemins. P*: hydroxy proline.
Figure 2. Amino acid sequences of (a) RALF and (b) AtPep1.
Figure 3. Amino acid sequences of (a) PSK and (b) Arabidopsis PSK precursors.
Figure 4. Amino acid sequences of (a) SCR, (b) SP11 Precursors and (c) ENOD40 peptides.
Figure 5. C-terminal sequences of (a) CLEs and (b) amino acid sequences of MCLV3 (c) and TDIF. At, Arabidopsis; Gm, Soybean; Os Rice (Oryza sativa); Zm Maize, Underline: Conserved 14-amino acid CLE motif, P*: Hydroxyproline.
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 References
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 Further Reading
    Cock JM and McCormick S (2001) A large family of genes that share homology with CLAVATA3. Plant Physiology 126: 939–942.
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    Matsubayashi Y, Ogawa M, Morita A and Sakagami Y (2002) An LRR receptor kinase involved in perception of a peptide plant hormone, phytosulfokine. Science 296: 1470–1472.
    Pearce G, Moura DS, Stratmann J and Ryan CA Jr. (2001) RALF, a 5-kDa ubiquitous polypeptide in plants, arrests root growth and development. Proceedings of the National Academy of Sciences of the USA 98: 12843–12847.
    Scheer JM, Pearce G and Ryan CA (2003) Generation of systemin signaling in tobacco by transformation with the tomato systemin receptor kinase gene. Proceedings of the National Academy of Sciences of the USA 100: 10114–10117.
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    Torii KU (2004) Leucine-rich repeat receptor kinases in plants: structure, function, and signal transduction pathways. International Review of Cytology 234: 1–46.

Related Sub-Topics:

Intracellular and Extracellular Signalling | Plant Disease | Plant Secondary Metabolism
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Article Title: Plant Peptide Signals
 
How to Cite close
Sakagami, Youji(Sep 2007) Plant Peptide Signals. In: eLS. John Wiley & Sons Ltd, Chichester. http://www.els.net [doi: 10.1002/9780470015902.a0020110]