Figure 9
Model of jasmonates participation in AHL mix-priming. Transcriptome analysis, plant hormones measurement, and genetic analysis suggest that jasmonate biosynthesis and metabolism participate in AHL mix-priming. In response to AHL mix molecules, biosynthesis of active compounds in the JA-signaling pathway seems to be induced (A). In response to the flg22 challenge in AHL mix-primed plants, genes responsible for catabolism of jasmonates were repressed, and the content of jasmonates catabolic derivatives was reduced. This indicates that primed plant would actively inhibit the degradation of active compounds sustaining therefore the JA-signaling (B). Blue color indicates enhanced expression, red color indicates decreased expression or inhibiting activity, black color indicates no changes in gene expression. Arrows indicate the following steps in jasmonate metabolism. Involved jasmonate molecules: α-linolenic acid (α-LeA or C18:3); cis-(+)-12-oxo-phytodienoic acid (cis-OPDA); (+)-7-iso-jasmonate (JA); (+)-7-iso-jasmonyl-L-isoleucine (JA-Ile); (+)-7-iso-12-hydroxyjasmonoyl-L-isoleucine (12-OH-JA-Ile); 12-carboxy-jasmonoyl-isoleucine (12-COOH-JA-Ile); 12-hydroxy-jasmonic acid sulfate (12-HSO4-JA). Involved enzymes: Lipoxygenase (LOX); Allene oxide synthase (AOS); Allene oxide cyclase (AOC): OPDA reductase (OPR2, OPR3); Jasmonoyl-isoleucine synthetase (JAR1); Jasmonate-induced oxygenase (JOX); Jasmonic acid oxidase (JAO); cytochrome P450 (CYP) enzymes (CYP94B1, CYP94B3, CYP94C1); amidohydrolases (IAR3, ILL6); sulfotransferase (ST2A); jasmonate transporter (JAT3).

Model of jasmonates participation in AHL mix-priming. Transcriptome analysis, plant hormones measurement, and genetic analysis suggest that jasmonate biosynthesis and metabolism participate in AHL mix-priming. In response to AHL mix molecules, biosynthesis of active compounds in the JA-signaling pathway seems to be induced (A). In response to the flg22 challenge in AHL mix-primed plants, genes responsible for catabolism of jasmonates were repressed, and the content of jasmonates catabolic derivatives was reduced. This indicates that primed plant would actively inhibit the degradation of active compounds sustaining therefore the JA-signaling (B). Blue color indicates enhanced expression, red color indicates decreased expression or inhibiting activity, black color indicates no changes in gene expression. Arrows indicate the following steps in jasmonate metabolism. Involved jasmonate molecules: α-linolenic acid (α-LeA or C18:3); cis-(+)-12-oxo-phytodienoic acid (cis-OPDA); (+)-7-iso-jasmonate (JA); (+)-7-iso-jasmonyl-L-isoleucine (JA-Ile); (+)-7-iso-12-hydroxyjasmonoyl-L-isoleucine (12-OH-JA-Ile); 12-carboxy-jasmonoyl-isoleucine (12-COOH-JA-Ile); 12-hydroxy-jasmonic acid sulfate (12-HSO4-JA). Involved enzymes: Lipoxygenase (LOX); Allene oxide synthase (AOS); Allene oxide cyclase (AOC): OPDA reductase (OPR2, OPR3); Jasmonoyl-isoleucine synthetase (JAR1); Jasmonate-induced oxygenase (JOX); Jasmonic acid oxidase (JAO); cytochrome P450 (CYP) enzymes (CYP94B1, CYP94B3, CYP94C1); amidohydrolases (IAR3, ILL6); sulfotransferase (ST2A); jasmonate transporter (JAT3).

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