Published as part of Damme, Thomas Van, Blancquaert, Dieter, Couturon, Pauline, Straeten, Dominique Van Der, Sandra, Pat & Lynen, Frédéric, 2014, Wounding stress causes rapid increase in concentration of the naturally occurring 2 ,3 -isomers of cyclic guanosine- and cyclic adenosine monophosphate (cGMP and cAMP) in plant tissues, pp. 59-66 in Phytochemistry 103 on page 63, DOI: 10.1016/j.phytochem.2014.03.013, http://zenodo.org/record/10489691

Fig. 3. (A) Representative MRM chromatogram of an unstressed Arabidopsis control plant extract (25 mg), after SPE on silica and analysis by LC–MS/MS. I. 20,30-cAMP, II. 20,30- cGMP (respective concentrations: 84 pg/mg and 107 pg/mg). (B) Representation of the specific transitions of the isotopically labeled 3050-cAMP (V) and 30,50-cGMP (VI), added at 50 bg/mL concentrations.