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2型支原体病毒与莱氏无胆甾原体JA1菌株细胞成分的相互作用

Interaction of mycoplasma virus type 2 with cellular components of Acholeplasma laidlawii strain JA1.

作者信息

Al-Shammari A J, Smith P F

出版信息

J Virol. 1980 Oct;36(1):120-4. doi: 10.1128/JVI.36.1.120-124.1980.

Abstract

Mycoplasma virus type 2 was shown to adsorb specifically to intact cells, membranes, and lipoglycan of Acholeplasma laidlawii strain JA1 but not to these components of Acholeplasma oculi. The oligosaccharide chain of the lipoglycan defined the specificity of the receptor site since deacylation not only did not reduce adsorption but increased it threefold. Actual adsorption of virus to lipoglycan was demonstrated by sucrose density gradient separation of the virus-lipoglycan complex. A strain of A. laidlawii, JA1r, resistant to infection with mycoplasma virus type 2, was incapable of adsorbing the virus and was devoid of lipoglycan.

摘要

已证明2型支原体病毒能特异性吸附莱氏无胆甾原体JA1株的完整细胞、细胞膜和脂多糖,但不能吸附眼无胆甾原体的这些成分。脂多糖的寡糖链决定了受体位点的特异性,因为脱酰基不仅不会降低吸附,反而使其增加了三倍。通过病毒-脂多糖复合物的蔗糖密度梯度分离证明了病毒对脂多糖的实际吸附。一株对2型支原体病毒感染具有抗性的莱氏无胆甾原体JA1r株,无法吸附该病毒且缺乏脂多糖。

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本文引用的文献

5
The cell membrane of mycoplasma.
Ann N Y Acad Sci. 1967 Jul 28;143(1):115-29. doi: 10.1111/j.1749-6632.1967.tb27651.x.
8
Distribution and composition of lipopolysaccharides from mycoplasmas.支原体脂多糖的分布与组成
J Bacteriol. 1976 Mar;125(3):916-22. doi: 10.1128/jb.125.3.916-922.1976.
10
Lipid and lipopolysaccharide composition of Acholeplasma oculi.眼支原体的脂质和脂多糖组成
J Bacteriol. 1979 Aug;139(2):356-61. doi: 10.1128/jb.139.2.356-361.1979.

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