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Role of Intestinal Microbiota in Ulcerative Colitis

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Appendix 1<br />

Methodology part<br />

Quantification <strong>of</strong> bacterial taxa at five different occasions<br />

Appendix 1<br />

Quantitative Real‐Time PCR was performed us<strong>in</strong>g primers target<strong>in</strong>g Firmicutes (Guo et al., 2008),<br />

Bacteroidetes (Guo et al., 2008), Bifidobacterium spp. (Delroisse et al., 2008) and Lactobacillus spp.<br />

(Walter et al., 2000;Heilig et al., 2002). DNA extraction and qPCR procedure are performed as<br />

described <strong>in</strong> Paper 2‐6.<br />

Log(Relative quantity <strong>of</strong> 16S rRNA)<br />

Log(Relative quantity <strong>of</strong> 16S rRNA)<br />

5.5<br />

5.0<br />

4.5<br />

4.0<br />

3.5<br />

3.0<br />

5.5<br />

5.0<br />

4.5<br />

4.0<br />

3.5<br />

day1<br />

day1<br />

day2<br />

day2<br />

day3<br />

day3<br />

Bifidobacterium spp.<br />

day4<br />

day4<br />

day5<br />

Firmicutes<br />

day5<br />

Log(Relative quantity <strong>of</strong> 16S rRNA)<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

day1<br />

day1<br />

day2<br />

day2<br />

day3<br />

day3<br />

Lactobacillus spp.<br />

day4<br />

day4<br />

day5<br />

Bacteroidetes<br />

Relative quantities <strong>of</strong> gene targets encod<strong>in</strong>g 16S rRNA from Bifidobacterium spp., Lactobacillus<br />

spp., Firmicutes and Bacteroidetes <strong>in</strong> fermentation samples <strong>in</strong>cubated with FOS for 24 hours at five<br />

different occasions (day1‐day5). Fecal samples were obta<strong>in</strong>ed from three healthy subjects. The<br />

151<br />

Log(Relative quantity <strong>of</strong> 16S rRNA)<br />

5.0<br />

4.5<br />

4.0<br />

3.5<br />

3.0<br />

day5

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