再起始
Circularization may facilitate recycling of translation factors and/or the ribosome, since ribosomes leaving the 3’end of the mRNA would be in close proximity to the 5’end for reinitiation. 环化可能有利于翻译因子和/或核糖体的循环利用，当核糖体从3’端离开后就处于5’端附近。
transcription reinitiation 转录再起始
reinitiation site 再起始位点
reinitiation recovery 再起始修复
