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Ordal, George W. Glekas, George D. 2015-09-25T22:28:13Z 2015-09-25T22:28:13Z 10000-01-01 2008 2008 Physical characterization of the chemoreceptors was probed by identification of a zinc ion binding area, using isothermal titration calorimetry. In addition, in vivo chemotactic assays showed that altering the charges of the methylation sites on the chemoreceptors can have a significant effect on the activity of the receptor. Furthermore, individual methylation sites were shown to be responsible for both changes in the affinity of the chemoreceptor for attractant and receptor activation. These findings suggest a novel, more complicated role for methylation than previously suggested, and lead to a clearer picture of the coordination of the three adaptational systems in the B. subtilis chemotactic sensory transduction. Made available in DSpace on 2015-09-25T22:28:13Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3347388.pdf: 2431295 bytes, checksum: 33ba03cc226af57ebd17d76edcdca23b (MD5) Previous issue date: 2008 Embargo set by: Seth Robbins for item 86140 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 146 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008. http://hdl.handle.net/2142/84859 (MiAaPQ)AAI3347388 eng Chemistry, Biochemistry Characterization of the Chemoreceptors in the Bacillus Subtilis Chemotaxis System text Biochemistry Biochemistry University of Illinois at Urbana-Champaign Dissertation Ph.D.