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Bacteroides ovatus TSDC17.2-1.2

ABSTRACT: Strain Bacteroides ovatus TSDC17.2-1.2 (species Bacteroides ovatus) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

PROVIDER: PRJEB3741 | ENA |

REPOSITORIES: ENA

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Bacteroides ovatus TSDC16.1-1.2

Project description:Strain Bacteroides ovatus TSDC16.1-1.2 (species Bacteroides ovatus) was isolated from the fecal microbiota of a USA female at time point zero . The species name was assigned by genome clustering.

| PRJEB3626 | ENA

Bacteroides ovatus TSDC17.2-1.1

Project description:Strain Bacteroides ovatus TSDC17.2-1.1 (species Bacteroides ovatus) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

| PRJEB3740 | ENA

Bacteroides ovatus TSDC17.1-1.2

Project description:Strain Bacteroides ovatus TSDC17.1-1.2 (species Bacteroides ovatus) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

| PRJEB3666 | ENA

Bacteroides caccae TSDC17.2-1.2

Project description:Strain Bacteroides caccae TSDC17.2-1.2 (species Bacteroides caccae) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

| PRJEB3730 | ENA

Bacteroides massiliensis TSDC17.2-1.2

Project description:Strain Bacteroides massiliensis TSDC17.2-1.2 (species Bacteroides massiliensis) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

| PRJEB3739 | ENA

Bacteroides thetaiotaomicron TSDC17.2-1.2

Project description:Strain Bacteroides thetaiotaomicron TSDC17.2-1.2 (species Bacteroides thetaiotaomicron) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

| PRJEB3743 | ENA

Bacteroides intestinalis TSDC17.2-1.2

Project description:Strain Bacteroides intestinalis TSDC17.2-1.2 (species Bacteroides intestinalis) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

| PRJEB3736 | ENA

Bacteroides finegoldii TSDC17.2-1.2

Project description:Strain Bacteroides finegoldii TSDC17.2-1.2 (species Bacteroides finegoldii) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

| PRJEB3734 | ENA

Bacteroides uniformis TSDC17.2-1.2

Project description:Strain Bacteroides uniformis TSDC17.2-1.2 (species Bacteroides uniformis) was isolated from the fecal microbiota of a USA female at time point zero (bacterial isolates were sequenced from this donor on day 0 and 49). The species name was assigned by genome clustering.

| PRJEB3747 | ENA

Depolymerization of plant cell wall glycans by symbiotic human gut bacteria (Bacteroides ovatus)

Project description:Symbiotic bacteria inhabiting the distal human gut have evolved under intense pressure to utilize complex carbohydrates, predominantly plant cell wall glycans abundant in our diets. These substrates are recalcitrant to depolymerization by digestive enzymes encoded in the human genome, but are efficiently targeted by some of the ~103-104 bacterial species that inhabit this niche. These species augment our comparatively narrow carbohydrate digestive capacity by unlocking otherwise unusable sugars and fermenting them into host-absorbable forms, such as short-chain fatty acids. We used phenotype profiling, whole-genome transcriptional analysis and molecular genetic approaches to investigate complex glycan utilization by two fully sequenced and closely related human gut symbionts: Bacteroides thetaiotaomicron and Bacteroides ovatus. Together these species target all of the common glycosidic linkages found in the plant cell wall, as well as host polysaccharides, but each species exhibits a unique ‘glycan niche’: in vitro B. thetaiotaomicron targets plant cell wall pectins in addition to linkages contained in host N- and O-glycans; B. ovatus uniquely targets hemicellulosic polysaccharides along with several pectins, but is deficient in host glycan utilization. Bacteroides ovatus bacteria were grown either in vitro on defined complex glycan sources, or in vivo in the intestinal tract of gnotobiotic mice fed variable diets. Increased in vitro gene expression was used to indicate the genes required for metabolism of complex glycans and compared to in vivo transcriptional activity to determine expression in the mouse gut.

2011-05-01 | E-GEOD-25575 | biostudies-arrayexpress

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