Computational analysis of the evolution of 1-deoxy-D-xylulose-5-phosphate Reductoisomerase, an important enzyme in plant terpene biosynthesis.

Isoprenoids are a highly diverse and important group of natural compounds. The enzyme 1-deoxy-D-xylulose-5-phosphate reductoisomerase (DXR) catalyzes a key regulatory step in the non-mevalonate isoprenoid biosynthetic pathway in eubacteria and in plant plastids. For example, in Artemisia annua DXR participates in regulation of the biosynthesis of artemisinin, an important antimalarial drug.

Aroma impact components in commercial plain sufu.

Volatile components of three commercial plain sufus or fermented soybean (Glycine max) curds (A-C) were extracted by a supercritical fluid extraction apparatus and analyzed by gas chromatography-mass spectrometry. A total of 83 compounds were found, of which 68 compounds were common among the three samples. Samples A, B, and C had 76, 75, and 74 components, respectively.