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Switched on to RNA

机译:开启RNA

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摘要

One day in 1999, molecular biologist Ron Breaker interrupted his lab's weekly meeting to issue a challenge: to discover whether their synthetic RNA biosensors were original, or whether nature got there first. Breaker's team, at Yale University in New Haven, Connecticut, was crafting molecular sensors out of RNA that changes shape when it binds to a specific molecule. The team's aim was to produce miniature devices that could, for example, monitor the biochemical secretions of living cells. These sensors were working so well that Breaker couldn't believe that evolution had overlooked the same mechanism. Breaker was remarkably prescient. Similar sensors, it turned out, had been staring biologists in the face for nearly 30 years. In an eye-opening series of experiments, Breaker's team has revealed that these RNA sensors, dubbed'riboswitches', represent a previously overlooked mechanism of gene regulation. "We can explain a lot of the unexplained findings that have appeared in the literature over the years," Breaker says.
机译:在1999年的一天,分子生物学家罗恩·布雷克(Ron Breaker)中断了他的实验室的每周例会,提出了一个挑战:发现他们的合成RNA生物传感器是原始的,还是自然界首先到达的。位于康涅狄格州纽黑文市耶鲁大学的Breaker团队正在利用RNA合成分子传感器,当RNA与特定分子结合时,RNA会改变形状。该小组的目的是生产微型设备,例如,可以监测活细胞的生化分泌物。这些传感器运行良好,以至于Breaker无法相信进化忽略了相同的机制。断路器非常有先见之明。事实证明,类似的传感器已经盯着生物学家近30年了。在一系列令人大开眼界的实验中,Breaker的团队揭示了这些被称为“核糖开关”的RNA传感器代表了以前被忽略的基因调控机制。 Breaker说:“我们可以解释多年来文献中出现的许多无法解释的发现。”

著录项

  • 来源
    《Nature》 |2003年第6955期|p.232-233|共2页
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  • 作者单位
  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自然科学总论;
  • 关键词

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