1. Regulation of the Extracytoplasmic Stress Factor Sigma E by the Alarmone ppGpp in Escherichia coli Open Access Author: Costanzo, Alessandra Title: Regulation of the Extracytoplasmic Stress Factor Sigma E by the Alarmone ppGpp in Escherichia coli Graduate Program: Biochemistry, Microbiology, and Molecular Biology Keywords: sigma factor competitionExtracytoplasmic stress responseppGpp File: Download ACostanzo-Dissertation.pdf Committee Members: Sarah Ellen Ades, Committee Chair/Co-ChairStephen John Knabel, Committee MemberKatsuhiko Murakami, Committee MemberB Tracy Nixon, Committee MemberAllen T Phillips, Committee Member