Additional signalling compounds are required to orchestrate plant development

Beveridge, C. A., Gresshoff, P. M., Rameau, C. and Turnbull, C. G. (2003) Additional signalling compounds are required to orchestrate plant development. Journal of Plant Growth Regulation, 22 1: 15-24. doi:10.1007/s00344-003-0036-5

Author Beveridge, C. A.
Gresshoff, P. M.
Rameau, C.
Turnbull, C. G.
Title Additional signalling compounds are required to orchestrate plant development
Journal name Journal of Plant Growth Regulation   Check publisher's open access policy
ISSN 0721-7595
Publication date 2003
Sub-type Article (original research)
DOI 10.1007/s00344-003-0036-5
Volume 22
Issue 1
Start page 15
End page 24
Total pages 10
Place of publication New York, USA
Publisher Springer-Verlag
Collection year 2003
Language eng
Subject C1
270402 Plant Physiology
620105 Oilseeds
Abstract Plants are necessarily complex systems that require monitoring of multiple environmental signals and, in response to those signals, coordination of differentiation and development of an extensive array of cell types at multiple locations. This coordination must rely on integration of long-distance signals that provide a means of communication among different plant parts. We propose that the relatively well-characterized classical phytohormones must act with several other long-distance signals to achieve this level of organization with dynamic yet measured responses. This is supported by observations that classical phytohormones: (i) operate in complex yet experimentally unresolved networks involving cross-talk and feedback, (ii) are generally multifunctional and nonspecific and hence must rely on other long-distance cues or pre-set conditions to achieve specificity and (iii) are likely to mask roles of other long-distance signals in several experimental contexts. We present evidence for involvement of novel long-distance signals in three developmental processes-branching, flowering and nodulation, and discuss the possible identities of novel signalling molecules.
Keyword Phytohormones
Long-distance Signalling
Master Regulators
Novel Signals
Receptor-like Kinase
Time Gene Constans
Mutational Analysis
Floral Induction
Circadian Clock
Shoot Control
Rms1 Mutant
Plant sciences
Q-Index Code C1

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Created: Wed, 15 Aug 2007, 02:12:42 EST