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首页> 外文期刊>The journals of gerontology.Series A. Biological sciences and medical sciences >Expression of a Single-Copy hsp-16.2 Reporter Predicts Life span.
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Expression of a Single-Copy hsp-16.2 Reporter Predicts Life span.

机译:单拷贝HSP-16.2报告者的表达预测寿命。

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The level of green fluorescent protein expression from an hsp-16.2-based transcriptional reporter predicts life span and thermotolerance in Caenorhabditis elegans. The initial report used a high-copy number reporter integrated into chromosome IV. There was concern that the life-span prediction power of this reporter was not attributable solely to hsp-16.2 output. Specifically, prediction power could stem from disruption of some critical piece of chromatin on chromosome IV by the gpIs1 insertion, a linked mutation from the process used to create the reporter, or from an artifact of transgene regulation (multicopy transgenes are subject to regulation by C elegans chromatin surveillance machinery). Here we determine if the ability to predict life span and thermotolerance is specific to the gpIs1 insertion or a general property of hsp-16.2-based reporters. New single-copy hsp-16.2-based reporters predict life span and thermotolerance. We conclude that prediction power of hsp-16.2-based transcriptional reporters is not an artifact of any specific transgene configuration or chromatin surveillance mechanism.
机译:基于HSP-16.2的转录报告者的绿色荧光蛋白表达水平预测Caenorhabditis elegans的寿命和热能。初始报告使用了集成到染色体IV中的高拷贝数报告。据关注,本报记者的寿命预测权力仅归因于HSP-16.2产量。具体地,通过GPIS1插入,预测功率可以源于GPIS1插入的染色体IV上的一些临界染色蛋白的破坏,来自用于产生报告的过程中的链接突变或来自转基因调节的伪影(多拷贝转基因受C的调节秀丽叶素染色质监控机械)。在这里,我们确定预测寿命和热能的能力是否特异于GPIS1插入或基于HSP-16.2的记者的一般性质。新的单拷贝HSP-16.2的记者预测寿命和热能。我们得出结论,基于HSP-16.2的转录报告者的预测力不是任何特定转基因构型或染色质监测机制的伪影。

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