Ascomycota of their hosts. Owing to their long evolutionary history, the Ascomycota have evolved the capacity to break down almost every organic substance. Unlike most organisms, they are able to use their own enzymes to digest plant biopolymers such as cellulose or lignin. Collagen, an abundant structural protein in animals, and keratin—a protein that forms hair and nails—, can also serve as food sources. Unusual examples include "Aureobasidium pullulans", which feeds on wall paint, and the kerosene fungus "Amorphotheca resinae", which feeds on aircraft fuel (causing occasional problems for the airline industry), and may sometimes block fuel pipes. Other species can
Debra Nails Debra Nails Debra Nails (born November 15, 1950) is an American philosophy professor and well known classics scholar who taught at Michigan State University. Nails earned her M.A. in philosophy and classical Greek from Louisiana State University before going on to earn a Ph.D. in philosophy at the University of the Witwatersrand, Johannesburg in 1993. Previously, she taught in the Department of Classics, Philosophy, and Religion at Mary Washington College. Nails taught courses on the history of philosophy, continental rationalism, metaphysics, and modern philosophy. Nails' work primarily focuses on ancient Greek philosophy, metaphysics, feminist philosophy, and early modern philosophy. She