Characterization of yhcN,a new forespore-specific gene of Bacillus subtilis |
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Institution: | 1. Top Institute Food and Nutrition, Nieuwe Kanaal 9A, 6709 PA Wageningen, The Netherlands;2. Laboratory of Food Microbiology, Wageningen University, P.O. Box 17, 6700 AA Wageningen, The Netherlands;3. NIZO Food Research B.V., Kernhemseweg 2, 6718 ZB Ede, The Netherlands |
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Abstract: | A new Bacillus subtilis sporulation-specific gene, yhcN, has been identified, the expression of which is dependent on the forespore-specific sigma factor σG and to a much lesser extent on σF. A translational yhcN-lacZ fusion is expressed at a very high level in the forespore, and the protein encoded by yhcN was detected in the inner spore membrane. A yhcN mutant sporulates normally and yhcN spores have identical resistance properties to wild-type spores. However, the outgrowth of yhcN spores is slower than that of wild-type spores. |
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