期刊
GENETICS
卷 183, 期 1, 页码 13-22出版社
GENETICS SOCIETY AMERICA
DOI: 10.1534/genetics.109.104794
关键词
-
资金
- University of Missouri
- National Science Foundation [MCB-0641309]
Reversible and easy to use, temperature-sensitive (TS) mutations are powerful tools for studying gene function. However, TS alleles are rare and difficult to generate and identify, and this has limited their use in most multicellular organisms. We have generated and characterized 41 intein switches, temperature-sensitive Sce VMA mutations that splice only at. the permissive temperatures to generate intact: host proteins. At non-permissive temperatures, they fail to splice, resulting in a loss of function of the proteins in which they reside. By inserting an intein switch into a protein of interest:, one can turn on and off the activities of the engineered protein with a simple temperature shift. The 41 TS inteins function in five different temperature ranges, with permissive temperatures ranging from 18 degrees to 30 degrees. This collection makes it possible to choose a TS-intein switch according to the optimal growth temperature of all organism or to suit a special experimental design.
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