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Table 1 Number of genes and proteins in COG classes up- and down-regulateda on various substrates compared to cellobiose

From: Transcriptomic and proteomic analyses of core metabolism in Clostridium termitidis CT1112 during growth on α-cellulose, xylan, cellobiose and xylose

COG class

Description

Xylose vs cellobiose genes

Xylose vs cellobiose proteins

Xylose vs cellobiose (overlap of genes and proteins)

α-cellulose vs cellobiose genes

α-cellulose vs cellobiose proteins

α-cellulose vs cellobiose (overlap of genes and proteins)

Xylan vs cellobiose genes

Xylan vs cellobiose proteins

Xylan vs cellobiose (overlap of genes and proteins)

Down

Up

Down

Up

Down

Up

Down

Up

Down

Up

Down

Up

Down

Up

Down

Up

Down

Up

C

Energy production and conversion

3

1

   

1

2

1

3

1

2

2

3

1

2

0

1

1

D

Cell cycle control, cell division, chromosome partitioning

2

0

    

1

2

          

E

Amino acid transport and metabolism

8

14

2

4

1

4

4

8

0

3

1

1

4

0

2

0

2

1

F

Nucleotide transport and metabolism

      

0

2

          

G

Carbohydrate transport and metabolism

11

32

3

23

7

27

5

28

3

20

1

33

7

40

5

24

7

40

H

Coenzyme transport and metabolism

4

3

    

1

6

0

2

 

3

2

0

  

1

3

I

Lipid transport and metabolism

7

1

2

0

1

 

1

3

1

2

1

1

4

0

4

0

3

 

J

Translation, ribosomal structure and biogenesis

        

4

1

1

       

K

Transcription

6

1

  

1

4

4

6

1

3

1

2

1

2

3

1

1

1

L

Replication, recombination and repair

3

1

  

1

             

M

Cell wall/membrane/envelope biogenesis

3

1

    

1

15

1

9

1

4

1

2

    

N

Cell motility

      

3

1

2

1

1

       

O

Posttranslational modification, protein turnover, chaperones

2

1

    

3

4

2

5

1

4

      

P

Inorganic ion transport and metabolism

2

4

2

1

 

1

1

4

  

1

1

2

0

    

Q

Secondary metabolites biosynthesis, transport and catabolism

19

1

6

0

5

 

1

7

2

0

1

1

15

0

7

0

5

2

R

General function prediction only

6

9

3

2

1

3

3

17

1

4

1

5

2

7

3

2

2

6

S

Function unknown

6

0

0

3

  

1

11

3

4

  

2

1

3

0

  

T

Signal transduction mechanisms

2

5

   

2

3

4

3

1

1

1

0

3

   

1

U

Intracellular trafficking, secretion, and vesicular transport

2

0

    

2

0

          

V

Defense mechanisms

      

2

3

2

0

 

1

      

TOTAL

 

86

74

18

33

17

42

38

122

28

56

14

59

43

56

29

27

22

55

  1. Overlap of differentially expressed genes and proteins with Z-score magnitudes of ≥ 1.65 were manually assessed and do not include genes in category S and hypotheticals
  2. aUp- and down-regulation enumeration uses Z-scores with magnitudes ≥ 1.65, approximately representing outermost 10 % of the population