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. Author manuscript; available in PMC: 2016 Oct 25.
Published in final edited form as: Nature. 2016 Apr 25;533(7602):255–259. doi: 10.1038/nature17626

Extended Data Figure 10. Schematic of forms of cooperativity via polysaccharide digestion among Bacteroidales.

Extended Data Figure 10

a, Limited cooperation. Privatization of extracellularly digested public goods by the individual performing the digestion leads to greater individual (dark arrow) than shared benefits (light arrow) as seen in Bt during growth on levan and amylopectin. b, Cooperation between species is seen between Bo and Bv during growth on inulin. Surface digestion of inulin by Bo creates breakdown products that it does not need to grow on inulin. Rather, inulin breakdown represents a dedicated cross-feeding system that provides benefits to Bv, with reciprocal fitness benefits to Bo.