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Cited by 243

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Does abscisic acid affect strigolactone biosynthesis?

Open access
López‐Ráez, Juan A., Kohlen, Wouter, Charnikhova, Tatsiana, Mulder, Patrick, Undas, Anna K., Sergeant, Martin J., Verstappen, Francel, Bugg, Timothy D. H., Thompson, Andrew J., Ruyter‐Spira, Carolien, Bouwmeester, Harro·2010·New Phytologist

Abstract

SUMMARY: *Strigolactones are considered a novel class of plant hormones that, in addition to their endogenous signalling function, are exuded into the rhizosphere acting as a signal to stimulate hyphal branching of arbuscular mycorrhizal (AM) fungi and germination of root parasitic plant seeds. Considering the importance of the strigolactones and their biosynthetic origin (from carotenoids), we investigated the relationship with the plant hormone abscisic acid (ABA). *Strigolactone production and ABA content in the presence of specific inhibitors of oxidative carotenoid cleavage enzymes and in several tomato ABA-deficient mutants were analysed by LC-MS/MS. In addition, the expression of two genes involved in strigolactone biosynthesis was studied. *The carotenoid cleavage dioxygenase (CCD) inhibitor D2 reduced strigolactone but not ABA content of roots. However, in abamineSG-treated plants, an inhibitor of 9-cis-epoxycarotenoid dioxygenase (NCED), and the ABA mutants notabilis, sitiens and flacca, ABA and strigolactones were greatly reduced. The reduction in strigolactone production correlated with the downregulation of LeCCD7 and LeCCD8 genes in all three mutants. *The results show a correlation between ABA levels and strigolactone production, and suggest a role for ABA in the regulation of strigolactone biosynthesis.

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Crossref · 10.1111/j.1469-8137.2010.03291.x

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Metadata

Authors
López‐Ráez, J. A., Kohlen, W., Charnikhova, T., Mulder, P., Undas, A. K., Sergeant, M. J., Verstappen, F., Bugg, T. D. H., Thompson, A. J., Ruyter‐Spira, C., & Bouwmeester, H.
Venue
New Phytologist
Publisher
Wiley
Published
2010-05-10
Volume
187
Issue
2
Pages
343-354
ISSN
  • 0028-646X (ISSN-L)
  • 1469-8137
OpenAlex
W2116442122
Cited by
243
References
6
FWCI
13.82
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Does abscisic acid affect strigolactone biosynthesis? https://app.cochat.ai/papers/10.1111/j.1469-8137.2010.03291.x
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López‐Ráez, J. A., Kohlen, W., Charnikhova, T., Mulder, P., Undas, A. K., Sergeant, M. J., Verstappen, F., Bugg, T. D. H., Thompson, A. J., Ruyter‐Spira, C., & Bouwmeester, H. (2010). Does abscisic acid affect strigolactone biosynthesis? New Phytologist. https://doi.org/10.1111/j.1469-8137.2010.03291.x

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