Fanrong Meng, Haiying Jia, Na Ling, Yinlei Xue, Hao Liu, Ketao Wang, Jun Yin and Yongchun Li*
* Corresponding author: Yongchun Li yongchunli71@yahoo.com.cn
BMC Plant Biology 2013, 13:18 doi:10.1186/1471-2229-13-18