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首页> 外文期刊>Infection and immunity >A Lithium Chloride-Extracted, Broad-Spectrum-Adhesive 42-Kilodalton Protein ofStaphylococcus epidermidis Is Ornithine Carbamoyltransferase
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A Lithium Chloride-Extracted, Broad-Spectrum-Adhesive 42-Kilodalton Protein ofStaphylococcus epidermidis Is Ornithine Carbamoyltransferase

机译:表皮葡萄球菌的氯化锂提取,广谱粘附42 Kilodalton蛋白是鸟氨酸氨基甲酰转移酶。

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摘要

To identify novel putative staphylococcal adhesins, lithium chloride extraction (an established method for selective surface molecule solubilization) was employed. N-terminal sequencing and functional assays identified a 42-kDa fibronectin-binding protein fromStaphylococcus epidermidis as ornithine carbamoyltransferase (OCTase). However, OCTase was not recognizable extracellularly, and this fact together with the fact that LiCl induced DNA release and a decrease in viability suggests that LiCl extraction may not be the method of choice for selective surface molecule extraction from staphylococci.
机译:为了鉴定新型推定的葡萄球菌粘附素,采用了氯化锂萃取(一种建立的选择性表面分子增溶方法)。 N-末端测序和功能分析确定了表皮葡萄球菌的42 kDa纤连蛋白结合蛋白为鸟氨酸氨基甲酰转移酶(OCTase)。但是,OCTase在细胞外无法识别,这一事实以及LiCl诱导DNA释放和活力降低的事实表明,LiCl提取可能不是从葡萄球菌中选择性提取表面分子的选择方法。

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