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Weaponizing nutrition: plants use a double strategy to fight herbivory, converting nutritionally essential fatty acids into defensive oxylipin signals.

Jimenez-Aleman GH, Michavila S, Paz FM, Kayastha F, Soriano G, Kneeshaw S, Barbas C, Rey-Stolle MF, Zamarreño AM, García-Mina JM, Gimenez-Ibañez S, Franco-Zorrilla JM, Solano R. · 2026 · The New Phytologist   research

doi:10.1111/nph.71155   PMID:41952316

Linked genes (4)  2 core 2 peripheral

Gene ID	Name	Evidence / Role	Function (this paper)
Mp3g17690	MpFAD3 paper MpFAD8 nomenclature	experimental subject	ER-localized omega-3 fatty acid desaturase (Mp3g17690); loss-of-function Mpfad3 (and Mpfad3fad7 double) mutants show MpFAD3 supplies polyunsaturated fatty acids converted into defensive oxylipin signals against herbivory.
Mp5g20700	MpFAD7 paper MpFAD11 nomenclature	experimental subject	Chloroplast-localized omega-3 fatty acid desaturase (Mp5g20700); Mpfad7 and the Mpfad3fad7 double mutant reveal its role in producing oxylipin precursor fatty acids for defense.
Mp2g26590	MpCOI1	citation background	Jasmonate co-receptor (with MpJAZ) that recognizes the active jasmonate; cited in the oxylipin/defense signaling discussion.
Mp6g06230	MpJAZ	citation background	JAZ repressor forming the MpCOI1-MpJAZ jasmonate co-receptor complex; cited in defense signaling context.