The inability of <Emphasis Type="Italic">Bacillus licheniformis perR</Emphasis> mutant to grow is mainly due to the lack of PerR-mediated <Emphasis Type="Italic">fur</Emphasis> repression
1.Department of Life Science and Research Institute for Natural Sciences,Hanyang University,Seoul,Republic of Korea;2.Department of Biology,California State University Fresno,Fresno,USA