Life Sciences Commons^™

Differences Associated With Mating Type Alleles In Myxomycetes, Robert M. Queen

Retrospective Theses and Dissertations

Differences associated with the mating type alleles of Didymium iridis and Physarum polycephalum were examined with fluorescent antibody and sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Heteroabsorption of each anti-myxamoebal serum followed by testing serum activity using immunofluorescence showed there is no strain-specific activity in any of the anti-myxamoebal sera, but the sera was shown, to be genera specific. Intergeneric differences and similarities were shown in the electrophoretic patterns of the myxamoebal protein extracts from P. polycephalum, D. iridis, and Dictyostelium discoideum when compared. Intraspecific differences were noted in D. iridis.

A Cytomorphological Study Of Podospora Curvicolla (Winter) Niessl, Stephen F. Tomasino

Masters Theses

A cytomorphological study was performed on Podospora curvicolla, a saprophytic Pyrenomycete. Major emphasis was placed on three important features: (I) ascocarp formation and development, (II) centrum structure and (III) ascus development and structure. A comparison with other studies of Podospora and with a genus generally considered closely related, Sordaria, was made to this present study of P. curvicolla.

Initial perithecial formation in P. curvicolla is indicated by a spherical mass of hyphae which may include filaments from many vegetative hyphae, but no apparent ascogonia or antheridia were observed. As the young perithecium matures in P. curvicolla, …