Marburg, Universiẗat, Diss., 2002.

Tübingen, Univ., Diss., 2009.

Thesis (Master)--İzmir Institute of Technology, İzmir, 2004. / Includes bibliographical references (leaves.46-58).

Thesis (Ph. D.)--University of Wisconsin--Madison, 1984. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographies.

Thesis (M.S.)--The University of North Carolina at Greensboro, 2008. / Directed by Jason Reddick; submitted to the Dept. of Chemistry and Biochemistry. Title from PDF t.p. (viewed Aug. 27, 2009). Includes bibliographical references (p. 53-57).

Köln, Universiẗat, Diss., 2004.

Halle, Wittenberg, Universiẗat, Diss., 2003.

Thesis (PH. D.)--University of Chicago, 1919. / "Private edition, distributed by the University of Chicago Libraries, Chicago, Illinois." "Reprinted from the Journal of infectious diseases, vol. XXV, no. 2, August 1919."

The purpose of this investigation was to compare some of the properties of a spore-forming mutant of Bacillus cereus 569R with the wild type. The strains were grown under identical conditions in liquid medium. The mutant, strain 45, was characterized with respect to growth rate, pH changes in the medium, morphological development, cell density during the growth cycle, the effect of oxygen deprivation on the time of spore formation, and the production of an extracellular protease. Strain 45 was found to maintain a higher growth rate than 569R. The pH curves indicated that, in time, strain 45 was about 30 minutes ahead of wild type. Morphologically, strain 45 exhibited no long chain stage characteristic of early logarithmic growth B. cereus 569R. Poly β hydroxybutyrate was accumulated before the sharp rise in pH in 45. This comparatively early synthesis suggested that acetate utilization and polymer synthesis may not be coordinately controlled in this mutant. Spore formation occurred two and one-half hours earlier in strain 45, and the spores were twice as large as spores of wild type. The production of protease in the mutant occurred earlier, and in higher concentration when compared with 569R. The results of these experiments fell into two classes. The first class included growth rate, pH, and cell density shifts. These events occurred approximately one-half hour earlier in cultures of strain 45, and appeared to be correlated with the cell mass. The second class of results--the time of polymer synthesis, the period when the time of sporulation was sensitive to oxygen, the time of protease production, and the time of sporulation- - appeared to be independent of cell mass, and occurred markedly earlier in strain 45. The very early appearance of these sporulation- related events in the culture cycle suggested that the mutant strain 45 may be catabolically derepressed for sporulation. Characterization of two asporogenous mutants of B. cereus 569R was also undertaken. / Graduation date: 1970

Thesis (Ph. D.)--University of Chicago, 1908 or 1909. / "Abdruck aus dem Centralblatt f. Bakteriologie, Parasitenkunde u. Infektionskrankheiten. II. Abteilung. ... XXII. Band. 1909. No. 11/13; ... XXIII. Band. 1909. No. 1/5." Bibliographies: p. 395-396; 90-91. Also available on the Internet.