Extensively Current Activity of Transposable Elements in Natural Rice Accessions Revealed by Singleton Insertions oleh Zhen Liu, Zhen Liu, Han Zhao, Yan Yan, Ming-Xiao Wei, Yun-Chao Zheng, Er-Kui Yue, Mohammad Shah Alam, Kwesi Odel Smartt, Ming-Hua Duan, Ming-Hua Duan, Jian-Hong Xu, Jian-Hong Xu