Natural variations in the promoter of ZmDeSI2 encoding a deSUMOylating isopeptidase controls kernel methionine content in maize

Xin Lu, Yuhong Lei, Zhennan Xu, Zixiang Cheng, Meng Liu, Yuxin Tai, Xiaohua Han, Zhuanfang Hao, Mingshun Li, Degui Zhang, Hongjun Yong, Jienan Han, Zhenhua Wang, Wenxue Li, Jianfeng Weng, Zhiqiang Zhou, Xinhai Li