Journal
MICROBIOLOGY-SGM
Volume 152, Issue -, Pages 2895-2907Publisher
MICROBIOLOGY SOC
DOI: 10.1099/mic.0.29152-0
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Funding
- Medical Research Council [G9826944] Funding Source: researchfish
- MRC [G9826944] Funding Source: UKRI
- Medical Research Council [G9826944] Funding Source: Medline
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Systematic inactivation of Bacillus subtilis genes has previously revealed that 271 are indispensable for growth. In the present study, 11 of these (yacA, ydiB, ydiC, ykqC, ylaN, yloQ, ymdA,yneS,yqeI,yqjK and ywlC) were identified as genes encoding proteins of unknown function. By analysing the effects of protein depletion, and examining the subcellular localization of these proteins, a start has been made in elucidating their functions. It was found that four of these genes (ydiB, yloQ, yqeI and ywlC) were not required for B. subtilis viability. Analysis of the localization of YkqC suggests that it co-localizes with ribosomes, and it is proposed that it is involved in processing either rRNA or specific mRNAs when they are associated with the ribosome. The results suggest that other novel essential proteins may be involved in lipid synthesis and control of cell wall synthesis.
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