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Volume 22, Number 4—April 2016
Research

Evaluation of Viremia Frequencies of a Novel Human Pegivirus by Using Bioinformatic Screening and PCR

David Bonsall, William F. Gregory, Camilla L.C. Ip, Sharyne Donfield, James Iles, M. Azim Ansari, Paolo Piazza, Amy Trebes, Anthony Brown, John Frater, Oliver G. Pybus, Phillip Goulder, Paul Klenerman, Rory Bowden, Edward D. Gomperts, Eleanor Barnes, Amit Kapoor, Colin P. Sharp, and Peter SimmondsComments to Author 
Author affiliations: University of Oxford, Oxford, UK (D. Bonsall, C.L.C. Ip, J. Iles, M.A. Ansari, P. Piazza, A. Trebes, A. Brown, J. Frater, O.G. Pybus, P. Goulder, P. Klenerman, R. Bowden, E. Barnes, P. Simmonds); University of Edinburgh Easter Bush, Edinburgh, Scotland, UK (W.F. Gregory, C.P. Sharp); Rho, Inc., Chapel Hill, North Carolina, USA (S. Donfield); The Childrens' Hospital, Los Angeles, California, USA (E.D. Gomperts); The Research Institute at Nationwide Children's Hospital, Columbus, Ohio, USA (A. Kapoor)

Main Article

Table 3

Read depth and divergence of HPgV sequences obtained by using metagenomic screening*

Virus, ID no. Case-patient origin Type† Length Coverage, % Reads Div, %‡ dN/dS MFED, %§
HHpgV-1, n = 2
D1220 UK NA 9,550 99.8 247,798 4.7 0.193 7.6
D1255
UK
NA
9,503
99.6
101,951
5.1
0.170
8.3
HPgV, n = 20
89859249 UK 2 9,383 99.9 19,231,581 10.0 0.031 11.4
89859262 UK 2 9,388 99.8 6,766,497 9.9 0.029 12.4
56330218 South Africa 5 9,364 99.7 4,242,732 13.6 0.043 11.6
56330227 Australia 2 9,366 99.7 2,411,508 9.9 0.031 12.0
56330281 DRC 1 9,362 99.7 2,297,064 13.5 0.048 13.2
67845223 UK 2 9,382 99.9 1,332,130 9.4 0.023 11.5
56330260 UK 5 9,365 99.7 1,306,864 13.7 0.043 12.1
56330265 UK 2 9,425 99.7 1,178,508 9.5 0.035 12.5
56330292 NA 2 9,356 99.6 1,021,219 11.5 0.035 11.9
89860237 UK 2 9,367 99.7 953,683 9.5 0.035 11.0
56330272 DRC 1 9,340 99.4 707,495 13.6 0.052 12.0
56330229 UK 2 9,366 99.7 698,622 11.5 0.036 12.6
56330276 DRC 5 9,337 99.4 612,424 13.3 0.042 12.3
89860282 UK Novel 8,443 89.9 574,652 13.2 0.049 10.5
89860286 UK 2 8,923 95.0 513,420 9.6 0.035 10.3
89860260 UK 2 8,983 95.6 512,515 11.6 0.041 10.5
56330286 NA 2 9,355 99.6 454,106 9.6 0.022 12.5
56330228 Australia ND 436 4.6 68,351 8.6 0.019 ND
56330250 UK ND 423 4.5 38,083 11.6 0.043 ND
89860212
UK
ND
1,117
11.9
17,226
8.6
0.068
ND
*HPgV, human pegivirus; ID, identification; Div, sequence divergence; dN/dS: ratio of nonsynonymous (dN) to synonymous (dS) substitutions; MFED, mean folding energy difference; HHpgV, human hepegivirus; UK, United Kingdom; NA, not applicable (no genotypes of HHpgV-1 are currently assigned); DRC, Democratic Republic of Congo; ND, not done (insufficient sequence length).
†Genotype based on phylogenetic analysis of complete genome sequences (Figure 1). 
‡Comparison with AK790 prototype sequence (HHPgV-1) or AF121950 (HPgV; genotype 2).
§Difference in minimum folding energy of sequences compared with those of sequence order-randomized controls (MFED) (16).

Main Article

Page created: March 15, 2016
Page updated: March 15, 2016
Page reviewed: March 15, 2016
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