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脊髓灰质炎病毒的热敏感性

THERMOSENSITIVITY OF POLIOVIRUS.

作者信息

WALLIS C, MELNICK J L

出版信息

J Bacteriol. 1963 Sep;86(3):499-504. doi: 10.1128/jb.86.3.499-504.1963.

Abstract

Wallis, Craig (Baylor University College of Medicine, Houston, Tex.) and Joseph L. Melnick. Thermosensitivity of poliovirus. J. Bacteriol. 86:499-504. 1963.-Polioviruses are thermosensitive agents, although thermoresistant strains have been obtained and reported in the literature. Such resistant strains can be developed by exposure of the virus to cystine during multiple-cycle yields. Thermoresistant strains can be converted to the thermosensitive state by passing the virus in cells maintained in a cystine-free medium, or by reducing the virus with glutathione. The thermoresistant variants seem to result from the conditions under which virus is grown and harvested. Consequently, many such thermostable polioviruses actually represent phenotypic rather than genotypic variation.

摘要

沃利斯,克雷格(得克萨斯州休斯敦贝勒医学院)和约瑟夫·L·梅尔尼克。脊髓灰质炎病毒的热敏感性。《细菌学杂志》86:499 - 504。1963年。——脊髓灰质炎病毒是热敏感剂,尽管文献中已报道获得了耐热菌株。通过在多轮传代培养期间将病毒暴露于胱氨酸可培育出此类抗性菌株。通过在无胱氨酸培养基中培养的细胞中传代病毒,或用谷胱甘肽还原病毒,可将耐热菌株转化为热敏感状态。耐热变体似乎是由病毒生长和收获的条件导致的。因此,许多此类热稳定的脊髓灰质炎病毒实际上代表的是表型而非基因型变异。

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