A competitive formation of DNA:RNA hybrid G-quadruplex is responsible to the mitochondrial transcription termination at the DNA replication priming site. Issue 20 (11th October 2014) - Zheng, Ke-wei; Wu, Ren-yi; He, Yi-de; Xiao, Shan; Zhang, Jia-yu; Liu, Jia-quan; Hao, Yu-hua; Tan, Zheng