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Peer-reviewedCC BY-NC-NDJournal of Integrative Plant Biology

Strigolactone‐mediated architecture regulation and stress resilience: Insights and innovations for crop breeding

  • Qingliang Hu1
  • Jiayang Li2,1
  • Bing Wang2,3
  1. 1Yazhouwan National Laboratory Sanya 572024 China
  2. 2State Key Laboratory of Seed Innovation and National Center for Plant Gene Research (Beijing), Institute of Genetics and Developmental Biology, Innovation Academy for Seed Design Chinese Academy of Sciences Beijing 100101 China
  3. 3University of Chinese Academy of Sciences Beijing 100049 China
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Abstract

Strigolactones (SLs) were initially identified as rhizosphere signals that trigger germination of parasitic weeds and promote branching in arbuscular mycorrhizal fungi. More recently, SLs have been characterized as a class of carotenoid-derived plant hormones that regulate plant architecture and stress responses. This review systematically summarizes their diverse functions in shaping shoot architecture and root development, as well as their ability to mediate acclimation to various abiotic and biotic stresses. It also discusses the canonical signaling module composed of D14, MAX2/D3, and D53/SMXLs and its extensive interactions with other hormonal pathways. Finally, this review suggests that future research should focus on elucidating the dynamic responses to environmental stress mediated by the SL pathway, decoding the functional diversification of SLs in different plant species, and leveraging SLs as rhizosphere signals to control parasitic weeds. Precise spatiotemporal modulation of SL activity is crucial for balancing its functional complexity and will contribute to designing crops with optimized plant architectures and enhanced stress resilience.

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Cite

BibTeXRIS
BibTeX
@article{hu2026strigolactonemediated,
  title = {{Strigolactone‐mediated architecture regulation and stress resilience: Insights and innovations for crop breeding}},
  author = {Qingliang Hu and Jiayang Li and Bing Wang},
  journal = {Journal of Integrative Plant Biology},
  year = {2026},
  month = jun,
  doi = {10.1111/jipb.70310},
  url = {https://doi.org/10.1111/jipb.70310},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - Strigolactone‐mediated architecture regulation and stress resilience: Insights and innovations for crop breeding
AU  - Qingliang Hu
AU  - Jiayang Li
AU  - Bing Wang
PY  - 2026
DA  - 2026/06/21
JO  - Journal of Integrative Plant Biology
DO  - 10.1111/jipb.70310
UR  - https://doi.org/10.1111/jipb.70310
AB  - Strigolactones (SLs) were initially identified as rhizosphere signals that trigger germination of parasitic weeds and promote branching in arbuscular mycorrhizal fungi. More recently, SLs have been characterized as a class of carotenoid-derived plant hormones that regulate plant architecture and stress responses. This review systematically summarizes their diverse functions in shaping shoot architecture and root development, as well as their ability to mediate acclimation to various abiotic and biotic stresses. It also discusses the canonical signaling module composed of D14, MAX2/D3, and D53/SMXLs and its extensive interactions with other hormonal pathways. Finally, this review suggests that future research should focus on elucidating the dynamic responses to environmental stress mediated by the SL pathway, decoding the functional diversification of SLs in different plant species, and leveraging SLs as rhizosphere signals to control parasitic weeds. Precise spatiotemporal modulation of SL activity is crucial for balancing its functional complexity and will contribute to designing crops with optimized plant architectures and enhanced stress resilience.
SN  - 0577-7496
SN  - 1672-9072
SN  - 1744-7909
ER  -