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Updated: Jan 20, 2026
Production of Arbuscular Mycorrhizal (AM) Fungal Inoculum and Phenotypic Evaluation of Rice and AM Symbiosis Under Saline Conditions
Published on: March 14, 2025
A CLE-SUNN module regulates strigolactone content and fungal colonization in arbuscular mycorrhiza
Lena M Müller1, Kristyna Flokova2,3, Elise Schnabel4
1Boyce Thompson Institute, Ithaca, NY, USA.
Abstract:
During arbuscular mycorrhizal symbiosis, colonization of the root is modulated in response to the physiological status of the plant, with regulation occurring locally and systemically. Here, we identify differentially expressed genes encoding CLAVATA3/ESR-related (CLE) peptides that negatively regulate colonization levels by modulating root strigolactone content. CLE function requires a receptor-like kinase, SUNN; thus, a CLE-SUNN-strigolactone feedback loop is one avenue through which the plant modulates colonization levels.
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