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Table 1 Summary of the different epigenetic results and correlation to recombinant mRNA expression in the PT1-CHO cell lines

From: Mechanisms underlying epigenetic and transcriptional heterogeneity in Chinese hamster ovary (CHO) cell lines

Cell lines

mRNA HC/LC (%)

ChIP enrichment (% Input)

FAIRE

M.SssI map (% nucleosome occupancy)

% Methylation

H2A

H3.3

H2A.Z

H3K9ac

H3K9me3

H3K4me3

H3K27me3

Nuc 853

Nuc 1008

 

PT1-1

1.00

19.50

22.00

5.26

2.17

3.90

8.04

17.20

46.90

60.00

86.67

6.25

PT1-7

53.50

6.67

79.94

135.97

218.15

66.96

5.41

32.23

2.60

60.67

66.67

0.00

PT1-30

22.36

13.31

16.73

11.13

61.99

97.82

17.90

51.18

6.00

73.33

80.00

2.08

PT1-55

104.00

2.93

66.45

7.29

189.00

577.78

16.40

47.40

207.50

87.50

62.50

0.71

Pearson correlation

 

−0.96

0.76

0.12

0.83

0.91

0.30

0.54

0.77

0.76

−0.95

−0.75

  1. mRNA expression based on ratio qRT-PCR product of heavy-chain primers to light-chain primers (%); ChIP enrichments for histone variants and modifications relative of H2A; FAIRE enrichments (qPCR values using primers described in Materials and Methods); highest score bold and underlined.