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本文引用的文献

1
Spores of Bacillus subtilis: their resistance to and killing by radiation, heat and chemicals.枯草芽孢杆菌的孢子:它们对辐射、热和化学物质的抗性及被其杀灭的情况。
J Appl Microbiol. 2006 Sep;101(3):514-25. doi: 10.1111/j.1365-2672.2005.02736.x.
2
Skewed genomic variability in strains of the toxigenic bacterial pathogen, Clostridium perfringens.产毒细菌病原体产气荚膜梭菌菌株中的基因组变异偏倚
Genome Res. 2006 Aug;16(8):1031-40. doi: 10.1101/gr.5238106. Epub 2006 Jul 6.
3
Investigating the role of small, acid-soluble spore proteins (SASPs) in the resistance of Clostridium perfringens spores to heat.研究小分子酸性可溶性芽孢蛋白(SASPs)在产气荚膜梭菌芽孢耐热性中的作用。
BMC Microbiol. 2006 Jun 8;6:50. doi: 10.1186/1471-2180-6-50.
4
The forespore line of gene expression in Bacillus subtilis.枯草芽孢杆菌中的芽孢前体基因表达谱系。
J Mol Biol. 2006 Apr 21;358(1):16-37. doi: 10.1016/j.jmb.2006.01.059. Epub 2006 Feb 8.
5
Antisense RNA downregulation of coenzyme A transferase combined with alcohol-aldehyde dehydrogenase overexpression leads to predominantly alcohologenic Clostridium acetobutylicum fermentations.辅酶A转移酶的反义RNA下调与醇醛脱氢酶过表达相结合,导致主要产生酒精的丙酮丁醇梭菌发酵。
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6
Design of antisense RNA constructs for downregulation of the acetone formation pathway of Clostridium acetobutylicum.用于下调丙酮丁醇梭菌丙酮生成途径的反义RNA构建体的设计
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7
Complete genome sequence of Clostridium perfringens, an anaerobic flesh-eater.产气荚膜梭菌(一种厌氧性食肉菌)的全基因组序列
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8
Resistance of spores of Bacillus species to ultraviolet light.芽孢杆菌属孢子对紫外线的抗性。
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9
Improvement and optimization of two engineered phage resistance mechanisms in Lactococcus lactis.乳酸乳球菌中两种工程化噬菌体抗性机制的改进与优化。
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10
Comparative experiments to examine the effects of heating on vegetative cells and spores of Clostridium perfringens isolates carrying plasmid genes versus chromosomal enterotoxin genes.比较实验,以研究加热对携带质粒基因与染色体肠毒素基因的产气荚膜梭菌分离株的营养细胞和芽孢的影响。
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反义RNA介导的小酸溶性芽孢蛋白合成减少导致产气荚膜梭菌芽孢对湿热和紫外线辐射的抗性降低。

Antisense-RNA-mediated decreased synthesis of small, acid-soluble spore proteins leads to decreased resistance of clostridium perfringens spores to moist heat and UV radiation.

作者信息

Raju Deepa, Setlow Peter, Sarker Mahfuzur R

机构信息

Department of Biomedical Sciences, College of Veterinary Medicine, Oregon State University, Corvallis, Oregon 97331, USA.

出版信息

Appl Environ Microbiol. 2007 Apr;73(7):2048-53. doi: 10.1128/AEM.02500-06. Epub 2007 Jan 26.

DOI:10.1128/AEM.02500-06
PMID:17259355
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1855649/
Abstract

Previous work has suggested that a group of alpha/beta-type small, acid-soluble spore proteins (SASP) is involved in the resistance of Clostridium perfringens spores to moist heat. However, this suggestion is based on the analysis of C. perfringens spores lacking only one of the three genes encoding alpha/beta-type SASP in this organism. We have now used antisense RNA to decrease levels of alpha/beta-type SASP in C. perfringens spores by approximately 90%. These spores had significantly reduced resistance to both moist heat and UV radiation but not to dry heat. These results clearly demonstrate the important role of alpha/beta-type SASP in the resistance of C. perfringens spores.

摘要

先前的研究表明,一组α/β型小的、酸溶性芽孢蛋白(SASP)参与了产气荚膜梭菌芽孢对湿热的抗性。然而,这一推测是基于对仅缺失该生物体中编码α/β型SASP的三个基因之一的产气荚膜梭菌芽孢的分析。我们现在利用反义RNA将产气荚膜梭菌芽孢中α/β型SASP的水平降低了约90%。这些芽孢对湿热和紫外线辐射的抗性显著降低,但对干热的抗性未降低。这些结果清楚地证明了α/β型SASP在产气荚膜梭菌芽孢抗性中的重要作用。