Skip to main content

Table 6 Summary of the operon structure in Methanosarcina spp. among HT genes and for the genome in general

From: Horizontal gene transfer and genome evolution in Methanosarcina

 

Genome in general

HT genes

χ2-test

Single genes

Genes in operons

# of operons

%

Single genes

Genes in HT operons

# of operons

%

p-value

M. acetivorans

1543

3063

768

66,5 %

92

129

80

58,4 %

0.0087

M. barkeri

1296

2402

570

65,0 %

112

102

61

47,7 %

5E-008

M. mazei

1145

2290

543

66,7 %

75

76

56

50,3 %

1E-005

  1. HT operons are non-trivial operons with at least one HT gene. P-value is calculated for the null hypothesis that the fractions of operons and singletons are the same for HT genes and all genes