A mold or mould is one of the structures that certain fungi can form. The dust-like, colored appearance of molds is due to the formation of spores containing fungal secondary metabolites. The spores a
Close up of mold on a strawberry
Penicillium digitatum mold growing on a clementine
Spinellus fusiger growing on the mushroom Mycena haematopus
Spores from green mold (Penicillium or Trichoderma) growing on an orange, 1000× wet mount
Penicillins are a group of β-lactam antibiotics originally obtained from Penicillium moulds, principally P. chrysogenum and P. rubens. Eight species of Penicillium, in the section Chrysogena, produce
Mold
…Rhizopus oryzae – tempeh, jiuqu for jiuniang or precursor for making Chinese rice wine Alexander Fleming's accidental discovery of the antibiotic penicillin involved a Penicillium mold then called Penicillium rubrum (although the species was later established to be Penicillium rubens). Fleming continued to…
Sample of penicillium mould presented by Alexander Fleming to Douglas Macleod, 1935
Howard Florey (pictured), Alexander Fleming and Ernst Chain shared a Nobel Prize in Physiology or Medicine in 1945 for their work on penicillin.
A lab technician spraying penicillin mould into flasks of corn steep liquor, England, 1943
A World War II-era poster from a construction site for a penicillin factory. A military grave emphasizes the site's importance, as penicillin was urgently needed in wartime.