Abstract
The spermidine synthesis inhibitors methylglyoxal bis-(guanylhydrazone) (MGBG) and dicyclohexylammonium sulfate (DCHA) were found to reduce growth and embryogenesis in wild carrot cultures. Cellular polyamine levels were also affected by the inhibitors, with spermidine levels being especially reduced by DCHA. Similarly, MGBG reduced organogenetic development of shoots on excised aspen hypocotyls. These data suggest that the polyamines, especially spermidine, play an important role in the growth and development of plants.
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Feirer, R.P., Wann, S.R. & Einspahr, D.W. The effects of spermidine synthesis inhibitors on in-vitro plant development. Plant Growth Regul 3, 319–327 (1985). https://doi.org/10.1007/BF00117589
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DOI: https://doi.org/10.1007/BF00117589