biologia plantarum

International journal on Plant Life established by Bohumil Nìmec in 1959

Biologia plantarum 27:204-208, 1985 | DOI: 10.1007/BF02902161

Oligopeptides as plant growth regulators

D. Klämbt1
1 Institute of Botany, University of Bonn, Bonn 1, FRG

It is generally accepted that plant growth and development are regulated by the known plant hormones. Some objections to the functions of auxins and cytokinins in the induction of shoot and root primordia are reported. Instead of them oligopeptides of special amino acid sequences could be the endogenous signals. There exist structure relationships between auxins and parts of the α-helical oligopeptides of defined amino acid sequences. The same is true for cytokinins.
The most difficult part of this hypothesis is its verification. Using protonemata ofFunaria hygrometrica bud induction by various oligopeptides was investigated. The most active peptide tested is leucine-tryptophan. On the other hand endogenous oligopeptides containing [14C]-leucine in the moss protonemata during endogenous bud initiation were looked for. Three to four different oligopeptide spots seem to be related to bud induction.

Published: March 1, 1985  Show citation

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Klämbt, D. (1985). Oligopeptides as plant growth regulators. Biologia plantarum, 27(2-3), 204-208. doi: 10.1007/BF02902161
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