Table 5. Number of genes associated with the 25 general COG functional categories.

J

Translation, ribosomal structure and biogenesis

6,659

6,055

4.57

*** 0.000

A

RNA processing and modification

21

22

0

n.s.

K

RNA processing and modification

21

22

0

n.s.

L

Replication, recombination and repair

6,248

6,103

1.36

0.086

B

Chromatin structure and dynamics

49

35

0.21

n.s.

D

Cell cycle control, cell division, chromosome partitioning

1,457

1,68

1.35

0.089

Y

Nuclear structure

−

−

−

−

V

Defense mechanisms

2,884

3,232

−2.11

* 0.018

T

Signal transduction mechanisms

10,430

10,271

2.01

* 0.022

M

Cell wall/membrane/envelope biogenesis

8,396

8,753

−1.67

* 0.047

N

Cell motility

3,150

3,146

−1.2

n.s.

Z

Cytoskeleton

39

43

−0.29

n.s.

W

Extracellular structures

2

1

0

n.s.

U

Intracellular trafficking, secretion, and vesicular transport

2,438

2,525

−0.56

n.s.

O

Posttranslational modification, protein turnover, chaperones

3,893

3,914

0.14

n.s.

C

Energy production and conversion

8,221

8,426

0.08

n.s.

G

Carbohydrate transport and metabolism

13,038

14,361

−3.69

*** 0.000

E

Amino acid transport and metabolism

9,571

10,682

−5.33

*** 0.000

F

Nucleotide transport and metabolism

2,808

3,022

−2.21

* 0.014

H

Coenzyme transport and metabolism

5,193

5,080

2.17

* 0.015

I

Lipid transport and metabolism

3,034

3,375

−1.9

* 0.029

P

Inorganic ion transport and metabolism

5,914

6,171

0.12

n.s.

Q

Secondary metabolites biosynthesis, transport and catabolism

1,608

1,916

−2.51

** 0.006

R

General function prediction only

15,442

15,796

−0.87

n.s.

S

Function unknown

10,667

10,106

0.6

n.s.