21. The adaptive function of mating type in the ascomycete Neurospora crassa is discussed in the article " Neurospora crassa ". 22. The adaptive function of mating type in the ascomycete Neurospora crassa is discussed in the article " Neurospora crassa ". 23. During his eight years in Washington, D . C ., he initiated his studies of " Neurospora ". 24. Neurospora crassa is a filamentous, hermaphroditic fungus that is widely studied as a model organism and belongs to the Ascomycota phylum.25. The filamentous fungus " Neurospora crassa " is a prominent model system for understanding the control and function of cytosine methylation. 26. (6 ) the " Neurospora crassa " retinal-containing receptor serves as a photoreceptor ( Neurospora ospin I ); 27. (6 ) the " Neurospora crassa " retinal-containing receptor serves as a photoreceptor ( Neurospora ospin I ); 28. These advantages made " Neurospora ", in many respects, an ideal organism for the investigation of genetics and biochemical genetics. 29. Strains including the " bd " locus are now used for all studies of circadian biology in " Neurospora ". 30. Biologists have identified a few individual components of the clocks used by fruit flies and by a microbe called Neurospora , which makes bread mold.