A linear nonribosomal octapeptide from Fusarium graminearum facilitates cell-to-cell invasion of wheat oleh Lei-Jie Jia, Hao-Yu Tang, Wan-Qiu Wang, Ting-Lu Yuan, Wan-Qian Wei, Bo Pang, Xue-Min Gong, Shou-Feng Wang, Yu-Jie Li, Dong Zhang, Wen Liu, Wei-Hua Tang