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Table 5 Distribution of transporters and enzymes among HT genes and the genome in general

From: Horizontal gene transfer and genome evolution in Methanosarcina

 

Enzymes

Transporters

χ2-test

p-value

 

# of proteins in HT genes

# of proteins in the genome

% HT

# of proteins in HT genes

# of proteins in the genome

% HT

 

M. acetivorans

86 (38.9 %)

971 (21.4 %)

8.9

29 (13.1 %)

194 (4.3 %)

14.9

0.0094

M. barkeri

50 (23.4 %)

435 (12 %)

11.5

22 (10.3 %)

172 (4.7 %)

12.8

0.6562

M. mazei

51 (33.8 %)

540 (16 %)

9.4

16 (10.6 %)

139 (4.1 %)

11.5

0.4663

All

187 (31.9 %)

1946 (16.9 %)

9.6

67 (11.4 %)

505 (4.4 %)

13.3

0.0163

  1. Percent value in the brackets represents the % of enzymes or transporters in studied portion of genome (HT genes or all genes), while % HT column shows the percentage of occurrence of the proteins from this functional class among HT portion of genome. P-value is calculated for the null hypothesis that fractions of enzymes and transporters are equal among HT genes and for all genes