Table 1 Summary of the shared recombination breakpoints in CRFs_BC and URFs_BC in China.

From: Geographic origin and evolutionary history of China’s two predominant HIV-1 circulating recombinant forms, CRF07_BC and CRF08_BC

HIV-1 genotype

Strain (Reference) name

Location of Strains or reference strains [City/District (Region)]

Shared recombination breakpointsa

Number of recombination breakpoints shared with CRF07_BC and/or CRF08_BC

gag

pol

vpr

tat

env

nef

Site1

Site2

Site3

Site4

Site5

Site6

Site7

Site8

1215

1641

3180

5694

6045

6431

8873

9059

CRF07_BC

97CN54

Xinjiang

+

+

+

+

+

+

+

+

8

CRF08_BC

97CNGX_6F

Guangxi

+

+

+

   

+

+

5

CRF57_BC

341

Baoshan (Western Yunnan)

+

  

+

 

+

  

3

CRF61_BC

JL100010

Jilin

+

 

+

     

2

CRF62_BC

YNFL13

Ruili/Dehong (Western Yunnan)

    

+

+

  

3

CRF64_BC

YNFL31

Ruili/Dehong (Western Yunnan)

        

3

URFs_BC before 2000

96CN.YNRL9607

Ruili/Dehong (Western Yunnan)

        

0

96CN.YNRL9613

Ruili/Dehong (Western Yunnan)

+

 

+

     

2

96CN.YNRL9618

Ruili/Dehong (Western Yunnan)

   

+

  

+

 

3

96CN.YNRL9828

Ruili/Dehong (Western Yunnan)

  

+

     

1

96CN.YN3018b

Ruili/Dehong (Western Yunnan)

   

+

  

+

+

4

96CN.YN4007

Ruili/Dehong (Western Yunnan)

        

0

96CN.YN4018

Ruili/Dehong (Western Yunnan)

      

+

+

3

Numbers of recombination breakpoints of CRF07_BC and CRF08_BC shared in Yunnan URFs

3

1

3

4

4

2

4

3

24

  1. aThe sites of recombination breakpoints refer to reference sequence HXB2.
  2. bThe genome region from 1-2462 nt of YNRL3018 was not successfully amplified and sequenced. So the sequence of this strain is shorter than other NFLG sequences.