Engineering of thermostable endo-polygalacturonase to generate prebiotic-active pectic oligosaccharides - Xin-Yi Mao; Meng-Jie Hao; Yu-Chen Wang; Shang Wang; Dan Wu; Yan Xu; Xiu-Mei Tao; Xiao-Wei Yu (Systems Microbiology and Biomanufacturing, 2026)