(Philadelphia, PA) – Heme, the iron-bearing, oxygen-carrying core of hemoglobin, makes it possible for blood to carry oxygen, but researchers from the University of Pennsylvania School of Medicine ...

A new study reveals that a peptide produced by some legumes helps them control nitrogen-fixing bacteria by sequestering all available heme, an iron-containing molecule. This sends the bacteria into an ...

In some ways a cell in your body or an organelle in that cell is like an ancient walled town. Life inside either depends critically on the intelligence of the gatekeepers. If too many barbarians sneak ...

Researchers have developed new tools and approaches to image, monitor, and probe heme in biological systems to study how organisms handle this essential but potentially cytotoxic metabolite. Heme, the ...

Heme, the iron-holding molecule that gives blood its red color, is essential for life. Yet, ironically, it can be quite toxic if not properly handled. In fact, numerous diseases – from various cancers ...

An international team of scientists has identified a human molecule — biliverdin — as a potential severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) target. The binding of the heme ...