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Secretions were induced from second (invasive) stage juveniles (J2s) of the potato cyst nematode Globodera rostochiensis by exposing them to 5-methoxy-N,N-dimethyl tryptamine oxalate (DMT). Secretions were collected from J2s in sufficient quantity to allow direct analysis. Gel electrophoresis
The creation of artificial metabolic sinks in plants by genetic engineering of key branch points may have serious consequences for the metabolic pathways being modified. The introduction into potato of a gene encoding tryptophan decarboxylase (TDC) isolated from Catharanthus roseus drastically
The mammalian pineal hormone melatonin (N-acetyl-5-methoxytryptamine), an aminoindole produced by the metabolism of serotonin (5-hydroxytryptamine), has been shown to be a potent scavenger for the highly toxic hydroxyl radical. Three substances that are very important in animal physiology (e.g., in