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Literature summary for 1.14.19.35 extracted from
- Plastid omega3-fatty acid desaturase-dependent accumulation of a systemic acquired resistance inducing activity in petiole exudates of Arabidopsis thaliana is independent of jasmonic acid (2008), Plant J., 54, 106-117.
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| gene fad7 | Arabidopsis thaliana |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| chloroplast | - |
Arabidopsis thaliana | 9507 | - |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Arabidopsis thaliana | P46310 | gene fad7 | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| leaf | - |
Arabidopsis thaliana | - |
| petiole | - |
Arabidopsis thaliana | - |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| FAD7 | - |
Arabidopsis thaliana |
| fatty acid desaturase7 | - |
Arabidopsis thaliana |
| omega3-fatty acid desaturase | - |
Arabidopsis thaliana |
General Information
| General Information | Comment | Organism |
|---|---|---|
| malfunction | in contrast to avirulent petiole exudates from wild-type plants, avirulent petiole exudates from fad7, sfd1 and sfd2 mutants are unable to activate systemic acquired resistance when applied to wild-type plants. The SAR-inducing activity is reconstituted by mixing avirulent petiole exudates collected from fad7 and sfd1 with avirulent petiole exudate from the SAR-deficient dir1 mutant | Arabidopsis thaliana |
| physiological function | FAD7-synthesized lipids provide fatty acids for synthesis of jasmonic acid. Petiole exudates collected from Arabidopsis leaves inoculated with an avirulent Pseudomonas syringae strain promote systemic acquired resistance, SAR, when applied to Arabidopsis thaliana. Arabidopsis fatty acid desaturase7, suppressor of fatty acid desaturase deficiency 1 (SFD1), and SFD2 genes are required for accumulation of the SAR-inducing activity. Jasmonic acid and methyljasmonic acid with avirulent petiole exudate from fad7 and sfd1 does not reconstitute the SAR-inducing activity. A plastid glycerolipid-dependent factor is required in avirulent petiole exudate along with the DIR1-encoded lipid transfer protein for long-distance signaling in systemic acquired resistance | Arabidopsis thaliana |
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