Plant Molecular Biology 40: 763–769, 1999. © 1999 Kluwer Academic Publishers. Printed in the Netherlands. Mini-review Andreas Schaller Institute of Plant Sciences, ETH-Zürich, Universitätstrasse 2, 8092 Zürich, Switzerland Received 7 May 1998; accepted 27 May 1996 Introduction elicitors produced by phytopathogenic bacteria, fungi, and viruses (Baker et al., 1997). On the other hand, In the 19th century, the German botanist Julius von three classes of endogenous oligopeptides have been Sachs postulated the existence of chemical messengers discovered clearly having signalling function in plants. that are responsible for the regulation of plant growth These include ENOD40, phytosulfokines and sys- and development. The ﬁrst such messenger was iden- temin and will be the subject of this review article. In tiﬁed in the 1930s as indole-3-acetic acid, an auxin. a ﬁrst section, the most salient features of these pep- In the following years, four additional classes of phy- tides will be summarized and compared. Most of these tohormones were discovered: cytokinins, gibberellins, data have been reviewed already and for references I abscisic acid and ethylene. For decades, these classical refer the reader to recent reviews on systemin (Ryan phytohormones have been and still are at the centre of and Pearce, 1998; Bowles,
Plant Molecular Biology – Springer Journals
Published: Oct 19, 2004
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