Correction for Agusti et al., Strigolactone signaling is required for auxin-dependent stimulation of secondary growth in plants

Strigolactones (SLs) are a new class of plant hormones. In addition to acting as a key inhibitor of shoot branching, SLs stimulate seed germination of root parasitic plants and promote hyphal branching and root colonization of symbiotic arbuscular mycorrhizal fungi. They also regulate many other aspects of plant growth and development. At the transcription level, SL-regulated genes have been reported. However, nothing is known about the proteome regulated by this new class of plant hormones. A quantitative proteomics approach using an isobaric chemical labeling reagent, iTRAQ, to identify the proteome regulated by SLs in Arabidopsis seedlings is presented. It was found that SLs regulate the expression of about three dozen proteins that have not been previously assigned to SL pathways. These findings provide a new tool to investigate the molecular mechanism of action of SLs.

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Small Molecule Toolbox for Strigolactone Biology

Tsuchiya

2018

Plant and Cell Physiology

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Strigolactones (SLs) are plant hormones associated with diverse developmental processes including plant architecture and stress responses. SLs are exuded to the soil as an ecological signal to attract symbiotic arbuscular-mycorrhizal fungi. This ecological mechanism is also used by parasitic plants to detect the presence of host plants and initiate germination. The functional diversity of SLs makes SL biology so extensive that a single methodology is not sufficient to comprehend it. This review describes the theoretical and practical aspects of the design of small molecule probes that have been used to elucidate the functions of SLs. The lessons from the development of small molecules to tackle the unique questions in SL biology might be instructive in the extending field of chemical biology in plants.

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Correction for Agusti et al., Strigolactone signaling is required for auxin-dependent stimulation of secondary growth in plants

Abstract: www.pnas.org

Cited by 3 publications

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The GhMAX2 gene regulates plant growth and fiber development in cotton

The GhMAX2 gene regulates plant growth and fiber development in cotton

Strigolactone-Regulated Proteins Revealed by iTRAQ-Based Quantitative Proteomics inArabidopsis

Small Molecule Toolbox for Strigolactone Biology

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