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Table 1 In silico analysis of primer specificity of the primers used in this study

From: In silico vs in vitro analysis of primer specificity for the detection of Gardnerella vaginalis, Atopobium vaginae and Lactobacillus spp.

Target

Probe

 

Sequence (5′ → 3′)

No. of target strains detecteda

Sensitivity (%)b

No. of non-target strains detecteda

Specificity (%)b

Reference

G. vaginalis

Gard154-454

Fw

CTCTTGGAAACGGGTGGTAA

36 (from 40)

90

1 (from 1032184)

100

This study

  

Rv

TTGCTCCCAATCAAAAGCGGT

38 (from 40)

95

94 (from 1032184)

99,99

 
 

GV1 + 3

Fw

TTACTGGTGTATCACTGTAAGG

    

[15]

  

Rv

CCGTCACAGGCTGAACAGT

     
 

Gv1 + 2

Fw

TCCTGTCTACCAAGGCATCC

    

[13]

  

Rv

CGTGTGATAACCGTCAGGTG

     

A. vaginae

Atop109-329

Fw

GAGTAACACGTGGGCAACCT

457 (from 467)

97,86

18390 (from 1031757)

98,22

This study

  

Rv

CCGTGTCTCAGTCCCAATCT

449 (from 467)

96,15

1356 (from 1031757)

99,87

 
 

AtovagRT3

Fw

GGTGAAGCAGTGGAAACACT

134 (from 467)

28,69

0 (from 1031757)

100

[11]

  

Rv

ATTCGCTTCTGCTCGCGCA

109 (from 467)

23,34

2 (from 1031757)

100

 
 

Atop167-587

Fw

GCGAATATGGGAAAGCTCCG

117 (from 467)

25,05

0 (from 1031757)

100

[10]

  

Rv

TCATGGCCCAGAAGACCGCC

115 (from 467)

24,63

0 (from 1031757)

100

 

Lactobacillus spp.

AM Lacto

Fw

TGATGCATAGCCGAGTTGAG

7353 (from 12936)

56,84

2513 (from 1019288)

99,75

This study

  

Rv

AGCCGAAACCCTTCTTCACT

5858 (from 12936)

45,28

1027 (from 1019288)

99,9

 
 

New Lacto

Fw

TGGAAACAGRTGCTAATACCG

11680 (from 12936)

90,29

7069 (from 1019288)

99,31

[16]

  

Rv

GTCCATTGTGGAAGATTCCC

10113 (from 12936)

78,18

3311 (from 1019288)

99,68

 
 

S21 + A19

Fw

TGCCTAATACATGCAAGTCGA

9754 (from 12936)

75,4

184796 (from 1019288)

81,87

[17]

  

Rv

GTTTGGGCCGTGTCTCAGT

10157 (from 12936)

78,52

72659 (from 1019288)

92,87

 
  1. Empty boxes correspond to the primers that could not be analysed because there are no databases available to encompass the intergenic region between 16S and 23S rRNA genes for the in silico analysis.
  2. aCalculated using ProbeMatch (last accession, May 2012) with the following data set options: Strain – Both; Source – Both; Size – > 1200 bp; Quality – Both.
  3. aCalculated using ProbeMatch (last accession, May 2012) with the following data set options: Strain – Both; Source – Both; Size – > 1200 bp; Quality – Both.
  4. bFormula: Specificity = (nts/Tnts)*100 (nts: number of non-target strains undetected, Tnts: total number of non-target strains tested).
  5. Sensitivity = (ts/Tts)*100 (ts: number of target strains detected, Tts: total number of target strains tested).