![]() The identity and specificity of the polysaccharide utilization loci (PULs) that encode Transcriptional profiling and gene inactivation experiments revealed Rhamnogalacturonan II, a highly complex polymer thought to be recalcitrant to microbialÄegradation. ovatus, are capable of utilizing nearly all of the major plant and host glycans, including However, the role of these systems in degrading the chemicallyÄiverse repertoire of plant cell wall glycans remains unknown. These species useĪ series of membrane protein complexes, termed Sus-like systems, for catabolism of Phyla in the adult gut, possess broad glycan-degrading abilities. The Bacteroidetes, one of two dominant bacterial Polysaccharides are not digested by human enzymes, but are processed to absorbable Utilize complex carbohydrates, primarily plant cell wall glycans in our diets. Symbiotic bacteria inhabiting the human gut have evolved under intense pressure to
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