Bao Qi, Wei Huang, Bo Zhu, Xiaofang Zhong, Jianhua Guo, Na Zhao, Chunming Xu, Huakun Zhang, Jinsong Pang, Fangpu Han and Bao Liu*
* Corresponding author: Bao Liu baoliu@nenu.edu.cn
BMC Biology 2012, 10:3 doi:10.1186/1741-7007-10-3