Rhamnogalacturonan I is a recalcitrant pectin domain during Clostridium thermocellum-mediated deconstruction of switchgrass biomass. - Biswal AK; Hengge NN; Atmodjo MA; Abraham PE; Engle NL; Mohanty SS; Black IM; Cheng X; Ryno D; Azadi P; Tschaplinski TJ; Bomble YJ; et al. (Biotechnology for biofuels and bioproducts, 2025)