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Desmethyl butenolides are optimal ligands for karrikin receptor proteins.

Yao, J., et al. · 2021 · New Phytologist   research

doi:10.1111/nph.17224   PMID:33474738

Linked genes (4)  2 core 2 peripheral

Gene ID	Name	Evidence / Role	Function (this paper)
Mp2g11710	MpKAI2A	experimental subject	KARRIKIN INSENSITIVE2 (KAI2) receptor homolog; mediates the response to desmethyl-butenolide ligands (shown optimal for karrikin receptors) in M. polymorpha.
Mp2g04930	MpKAI2B	experimental subject	Second KAI2 homolog; with MpKAI2a mediates the desmethyl-butenolide/DLP1 response.
Mp5g09160	MpDLP1 missing	experimental comparator	DIENE LACTONE HYDROLASE-LIKE PROTEIN1 (DLP1); KAI2-response marker regulated MpMAX2-dependently.
Mp1g02580	MpMAX2	experimental comparator	F-box protein; DLP1 response is MpMAX2-dependent.