MetaCyc Metabolic Pathway Database

Vitamin D

It is well known that vitamin D is produced in our skin during exposure to the sun. But did you know it is made from cholesterol?

DMSP Degradation

Biological processes influence geochemical cycles. The main input of sulfur to the atmosphere is dimethyl sulfide, which is formed by microbial degradation of marine algae biomass.

So what killed this guy?

Twenty people were executed around Salem, MA for using witchcraft to afflict young girls. Were the victims bewitched, or could it be something they ate?

Have you ever swum in the ocean and started to itch? Care to know why?

Beer is the world's most widely consumed alcoholic drink, and, with evidence dating as far back as 5000 BCE, one of its oldest. Did the ancient Egyptians know all about bitter acids?

We all know about the A, B, and O blood types, but did you know that a single glycosyltransferase is responsible for all of this diversity?

Chitin is the second most common polymer in the world, after cellulose. Our understanding of its degradation was significantly boosted with the discovery of LPMOs. And what are LPMOs?

When oil companies started adding MTBE to gasoline, it seemed like a good idea. Now it is banned in the US, and it is up to the bacteria to degrade the remaining contamination.