Fungal Prion in Podospora anserina
Het
HET-S is a prion protein of the filamentous fungi Podospora anserina that regulates genetically controlled cell death called heterokaryon incompatibility.
This protein is one of the nine het loci of P. anserina as genetic element that display non-Mendelian traits.
Text adapted from Wikipedia, CC BY-SA 4.0. Photograph: Trougnouf (see Commons), Wikimedia Commons.