概括
恢复的鸟类肉瘤病毒 (rASVs) 使用完整的src基因,将c-src. 这项研究揭示了细胞c-src基因对rASV pp60src结构作出贡献,影响细胞转化.
科学领域:
- 病毒学 病毒学
- 分子生物学分子生物学
- 瘤发生的发生因子.
背景情况:
- 恢复的鸟类肉瘤病毒 (rASVs) 源自转化缺陷的 (td) Rous肉瘤病毒突变.
- 在td SR-A突变体中,src基因被部分删除,而rasv则具有完整的src基因.
研究的目的:
- 为了调查rASVs中src基因的遗传起源.
- 确定细胞c-src基因对rasv pp60src.的贡献.
主要方法:
- 从rASV,SR-A和pp60c-src中对pp60src进行了三性分析.
- 蛋白质结构的比较以确定遗传贡献.
主要成果:
- 拉斯维 pp60src 的三性图包含了针对病毒和细胞 src 独有的.
- 证明了内生细胞c-src基因对rASV pp60src.的结构有所贡献.
- 在一些rASV分离物中确定了pp60src的氨基末端部分的改变.
结论:
- 细胞c-src基因是rasv src的遗传信息来源.
- pp60src的氨基末端区域可能对细胞转化不那么关键.
- 了解rASV src的起源为病毒瘤发生和基因调节提供了见解.
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