Figure 1: A summary of the biosynthetic pathway leading to morphine, showing also the methylated derivatives of reticuline; enzymes indicated are those for which cDNAs have been previously cloned and ...

Since the early 1800s, practitioners of organic chemistry have been fascinated with a group of plant-derived compounds called "alkaloids." Alkaloids contain at least one nitrogen atom among other ...

Barley is one of the most important cereal crops on a global scale. Many barley cultivars produce a toxic alkaloid called gramine that affects the suitability of barley as fodder, but also helps to ...