Protein engineering combined with combinatorial optimization of critical synthetase cluster for efficient production of 1-Deoxynojirimycin in B. amyloliquefaciens - Xujie Li; Xin Feng; Aoying Dong; Shihao Yan; Chenshuo Zhang; Yi Rao; Zheng Zhang; Hui Tian; Dongbo Cai; Shouwen Chen (Bioresource Technology, 2026)