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Table 2 Statistically significant upregulated genes involved in carbohydrate uptake and catabolism

From: Transcriptional analysis of oligosaccharide utilization by Bifidobacterium lactisBl-04

ORF

Gene annotation

Inducing CHO type

Volcano plot (Figure3)

Highest inducing CHO

Gene cluster (Figure5)

Fold upregulated

-log10(P-value)

Balac_0053

β-galactosidase, GH42

Glucoside

C

gentiobiose

A

6.5

13.8

Balac_0054

MFS permease

Glucoside

C

gentiobiose

A

4.8

11.8

Balac_0475

MFS permease

Galactoside

A

GOS

B

21.8

19.9

Balac_0476

β-galactosidase, GH2

Galactoside

A

GOS

B

36.9

17.9

Balac_0484

β-galactosidase, GH42

Galactoside

A

GOS

C

11.4

17.2

Balac_0485

ABC transporter, permease component

Galactoside

A

GOS

C

8.4

16.2

Balac_0486

ABC transporter, permease component

Galactoside

A

GOS

C

5.7

12.9

Balac_0511

Xylose isomerase

xyloside

A,C

XOS

D

13.8

15.1

Balac_0512

α-l-arabinofuranosidase, GH43

xyloside

A,C

XOS

D

6.8

13.6

Balac_0513

Transcriptional regulator LacI

xyloside

A,C

Xylobiose

D

3.0

10.1

Balac_0514

ABC transporter, oligosaccharide-binding protein

xyloside

A,C

XOS

D

9.0

16.0

Balac_0515

ABC transporter, permease component

xyloside

A,C

XOS

D

16.8

16.5

Balac_0516

ABC transporter, permease component

xyloside

A,C

XOS

D

18.3

17.5

Balac_0517

β-xylosidase, GH43

xyloside

A,C

XOS

D

17.9

16.1

Balac_0518

Putative carbohydrate esterase

xyloside

A,C

XOS

D

14.2

11.3

Balac_0519

Esterase

xyloside

A,C

XOS

D

6.9

15.1

Balac_0520

α-l-arabinofuranosidase, GH43

xyloside

A,C

XOS

D

10.2

15.2

Balac_0521

Xylulose kinase

xyloside

A,C

Xylobiose

D

18.2

19.0

Balac_1567

4-α-glucanotransferase

glucoside

B,D

Maltriose

E

9.7

14.5

Balac_1569

ABC transporter, permease component

glucoside

B,D

Cellobiose

E

5.2

13.7

Balac_1570

ABC transporter, permease component

glucoside

B,D

Cellobiose

E

3.7

15.1

Balac_1571

Transcriptional regulator LacI

glucoside

B,D

Cellobiose

E

3.7

13.1

Balac_1572

ABC transporter, oligosaccharide-binding protein

glucoside

B,D

Cellobiose

E

3.2

12.1

Balac_1593

oligo-1,6-α-glucosidase, GH13

Galactoside, Glucoside

B,D,E

Isomaltose

F

4.5

14.0

Balac_1597

ABC transporter, permease component

Galactoside, Glucoside

B,D,E

Raffinose

F

14.1

13.9

Balac_1598

ABC transporter, permease component

Galactoside, Glucoside

B,D,E

Isomaltose

F

20.1

18.6

Balac_1599

ABC transporter, oligosaccharide-binding protein

Galactoside, Glucoside

B,D,E

Isomaltose

F

17.8

16.7

Balac_1601

α-galactosidase, GH36

Galactoside, Glucoside

B,D,E

Raffinose

F

8.1

16.4

  1. The genes are listed by ascending locus tag numbers with the principle type of glycoside. Only the oligosaccharide that elicited the highest significance level (−log10(P-value)) is listed for genes that are upregulated by more than one oligosaccharide.