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In vitro fermentation of selected xylo-oligosaccharides by piglet intestinal mi...
Moura, Patrícia; Cabanas, Susana; Lourenço, Paula; Gírio, Francisco; Loureiro-Dias, Maria C.; Esteves, M.PaulaThe objective of this study was to compare the in vitro fermentability of xylo-oligosaccharides (XOS) with different degrees of polymerisation (DP) by the intestinal digesta collected in three distinct intestinal sections of the porcine intestinal tract: ileum, caecum, and distal colon. The studied oligosaccharides included commercial short-chain XOS (DP 2e5), and medium-chain (DP 2e14) and long-chain (DP 2e25)...
Membrane tension regulates water transport in yeast
Soveral, Graça; Madeira, Ana; Loureiro-Dias, Maria C.; Moura, Teresa F.Evidence that membrane surface tension regulates water fluxes in intact cells of a Saccharomyces cerevisiae strain overexpressing aquaporin AQY1 was obtained by assessing the osmotic water transport parameters in cells equilibrated in different osmolarities. The osmotic water permeability coefficients (Pf) obtained for yeast cells overexpressing AQY1 incubated in low osmolarity buffers were similar to those obt...
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