The Path from β-Carotene to Carlactone, a Strigolactone-Like Plant Hormone

Author:

Alder Adrian1,Jamil Muhammad2,Marzorati Mattia3,Bruno Mark1,Vermathen Martina3,Bigler Peter3,Ghisla Sandro4,Bouwmeester Harro25,Beyer Peter16,Al-Babili Salim16

Affiliation:

1. Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany.

2. Laboratory of Plant Physiology, Wageningen University, 6700 AR Wageningen, Netherlands.

3. Department of Chemistry and Biochemistry, University of Bern, 3012 Bern, Switzerland.

4. Department of Biology, University of Konstanz, 78457 Konstanz, Germany.

5. Centre for Biosystems Genomics, 6700 AR Wageningen, Netherlands.

6. Centre for Biological Signalling Studies (Bioss), 79104 Freiburg, Germany.

Abstract

Making Carlactone Germination of parasitic witchweeds depends on strigolactones, which also regulate plant branching and signal in the context of mycorrhizal symbioses. The biosynthetic pathways that lead to strigolactones are founded in carotenoid biosynthesis, but further steps have been obscure. Alder et al. (p. 1348 ) have now identified a biochemical pathway that generates a strigolactone-like compound, carlactone, which shows biological actions similar to those of strigolactone.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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