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Fig. 7 | BMC Genomics

Fig. 7

From: Xylan degradation by the human gut Bacteroides xylanisolvens XB1AT involves two distinct gene clusters that are linked at the transcriptional level

Fig. 7

Evolution of the xylanolytic genomic region from PUL-XylS in B. ovatus ATCC 8483T to this work on B. xylanisolvens XB1AT. Genomic regions are represented as horizontal black lines with encoded genes depicted by boxes, above or below to distinguish strands, with proportionality to intergenic distances and gene length. Genomic regions with poly-N stretches are shown in red and marked by a star indicating that the annotation of these regions may be incomplete. Missing gene models in B. xylanisolvens XB1AT are depicted with dotted boxes. Whilst genes of unknown function are shown in grey, relevant gene functions are color-coded as follows: (i) glycoside hydrolase genes are represented in pink; (ii) PUL marker genes, susC- and susD-like genes, in purple and orange, respectively; (iii) PUL regulatory genes (HTCS, anti-σ factor/ECF-σ appear in cyan. The non-PUL genes, immediately flanking the PUL region of interest and conserved in all strains, are shown in black. Rearrangements are shown by light-grey polygons between conserved segments of two distinct genomic organizations. JSpeciesWS [41] was used for species assignment to either B. ovatus or B. xylanisolvens for isolates described as Bacteroides sp. in the JGI portal

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