Theodor Seuss Geisel, better known by his pen name, Dr. Seuss, graduated Dartmouth College in 1925, then pursued a Doctor of Philosophy (in the US, PhD) in English Literature from Lincoln College, Oxford University. He married in 1927 and returned to the United States without completing his studies.
Penicillium species are one of the most common causes of fungal spoilage in fruits and vegetables. Penicillium italicum and Penicillium digitatum are the most common attackers of citrus fruits, while Penicillium expansum is known to attack apples. P. digitatum works by producing ethylene to accelerate ripening.
Penicillium causes food spoilage, colonizes leather objects and is an indicator organism for dampness indoors. Some species are known to produce toxic compounds (mycotoxins). The spores can trigger allergic reactions in individuals sensitive to mould.enicillium species. Penicillium chrysogenum spores. Penicillium is genus of moulds found everywhere world-wide. The name Penicillium comes from the resemblance of the spore producing structures (conidiophores) of the fungus to a paintbrush (penicillus is the Latin word for paintbrush).