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Expression Profiling of Translation-associated Genes in Sporulating Bacillus subtilis and Consequence of Sporulation by Gene Inactivation
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- OHASHI Yoshiaki
- <i>National Food Research Institute</i> <i>Present address: Department of Environmental Information and Institute for Advanced Biosciences, Keio University</i>
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- INAOKA Takashi
- <i>National Food Research Institute</i>
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- KASAI Koji
- <i>National Food Research Institute</i>
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- ITO Yasuhiro
- <i>National Food Research Institute</i>
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- OKAMOTO Susumu
- <i>National Food Research Institute</i>
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- SATSU Hideo
- <i>National Food Research Institute</i>
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- TOZAWA Yuzuru
- <i>National Food Research Institute</i>
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- KAWAMURA Fujio
- <i>Laboratory of Molecular Genetics, College of Science, Rikkyo (St. Paul's) University</i>
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- OCHI Kozo
- <i>National Food Research Institute</i>
Bibliographic Information
- Other Title
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- Expression Profiling of Translation-associated Genes in Sporulating<i>Bacillus subtilis</i>and Consequence of Sporulation by Gene Inactivation
- Expression profiling of translation-associated genes in sporulating <italic>Bacillus subtilis</italic> and consequence of sporulation by gene inactivation
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Description
A DNA microarray technique was used to demonstrate global changes in the transcription pattern of translation-associated genes that encode fifty-four ribosomal proteins including a putative ribosomal gene, and eleven translation factors in sporulating B. subtilis. We found that the mRNA levels of nine genes involved in the translation system, which include the genes for three ribosomal proteins (rpmA, rpmGB, and ctc) and two translation factors (efp, and frr), were maintained at a high level at the onset of sporulation. The ypfD gene, which encodes the ribosomal protein S1 homologue, was also found to be expressed significantly during the early sporulation stage. In order to demonstrate the significance of these genes for sporulation, mutants were constructed using the pMutinT3 disruption vector. We detected an impaired sporulation in the mutants of rpmA (gene for the ribosomal protein L27), efp (elongation factor P), frr (ribosome recycling factor), and ypfD. The effect was especially pronounced in the efp mutant, sporulation of which was entirely abolished without affecting growth. The reduced expression of rpmGB (ribosomal protein L33) resulted in an impaired sporulation only at a high temperature (47°C). Only the rplI mutant, which encodes the ribosomal protein L9, could not be obtained, implying that its function is essential for viability. Thus, we successfully demonstrated the significance of several translation-associated genes in sporulation by using the results of the gene expression profiling.<br>
Journal
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- Bioscience, Biotechnology, and Biochemistry
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Bioscience, Biotechnology, and Biochemistry 67 (10), 2245-2253, 2003
Japan Society for Bioscience, Biotechnology, and Agrochemistry
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Details 詳細情報について
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- CRID
- 1390001206474966784
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- NII Article ID
- 110002698767
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- NII Book ID
- AA10824164
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- ISSN
- 13476947
- 09168451
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- NDL BIB ID
- 6731179
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- PubMed
- 14586115
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- JaLC
- NDL Search
- Crossref
- PubMed
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed