Gaseous nitric oxide stimulates guanosine-3',5'-cyclic monophosphate (cGMP) formation in spruce needles
1994
Pfeiffer, S. | Janistyn, B. | Jessner, G. | Pichorner, H. | Ebermann, R.
The influence of externally applied gaseous nitric oxide (NO) on spruce needles in relation to cGMP formation has been examined. Exposure of spruce needles (Picea abies) to gaseous nitric oxide leads to a strong and rapid increase of the cGMP concentration. Depending on the base level of cGMP in the untreated needles, the concentration of cGMP in the NO exposed needles increased up to four degrees of magnitude. The content of adenosine-3',5'-cyclic monophosphate (cAMP) remained below the detection limit of the HPLC-method used (10(-7) mol 1(-1)). Therefore, it was not subject to further investigation.
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