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Article

Mechanistic basis for enhanced strigolactone sensitivity in KAI2 triple mutant.

Biophysical journal - 17 Jun 2025

Sobecks Briana L, Chen Jiming, Dean Tanner J, Shukla Diwakar

Abstract excerpt

Striga hermonthica is a parasitic weed that destroys billions of dollars' worth of staple crops every year. Its rapid proliferation stems from an enhanced ability to metabolize strigolactones (SLs), plant hormones that direct root branching and shoot growth. Striga's SL receptor, ShHTL7, bears more similarity to the staple crop karrikin receptor karrikin insensitive 2 (KAI2) than to SL receptor D14, though KAI2...

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Identifiers

PMID: 40269499
DOI: 10.1016/j.bpj.2025.04.021
PMCID: PMC12256895

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Related research

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Mechanistic basis for enhanced strigolactone sensitivity in KAI2 triple mutant.PMID 40269499Read ↗

Three mutations repurpose a plant karrikin receptor to a strigolactone receptor.Semantic proximity Read ↗

An allelic series at the KARRIKIN INSENSITIVE 2 locus of Arabidopsis thaliana decouples ligand hydrolysis and receptor degradation from downstream signalling.Semantic proximity Read ↗

Structures of D14 and D14L in the strigolactone and karrikin signaling pathways.Semantic proximity Read ↗

A Selaginella moellendorffii Ortholog of KARRIKIN INSENSITIVE2 Functions in Arabidopsis Development but Cannot Mediate Responses to Karrikins or Strigolactones.Semantic proximity Read ↗

Dominant-Negative KAI2d Paralogs Putatively Attenuate Strigolactone Responses in Root Parasitic Plants.Semantic proximity Read ↗

A missense allele of KARRIKIN-INSENSITIVE2 impairs ligand-binding and downstream signaling in Arabidopsis thaliana.Semantic proximity Read ↗

Barley strigolactone signalling mutant hvd14.d reveals the role of strigolactones in abscisic acid-dependent response to drought.Semantic proximity Read ↗

Mutation in sorghum LOW GERMINATION STIMULANT 1 alters strigolactones and causes Striga resistance.Semantic proximity Read ↗

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