Volume 20, Number 4—April 2014
Research
Novel Betacoronavirus in Dromedaries of the Middle East, 2013
Table 2
Comparison of representative coronaviruses with a novel betacoronavirus, DcCoV UAE-HKU23, discovered in dromedaries in the Middle East, 2013*
Coronavirus (genome) | Genome features |
% Pairwise amino acid identity with DcCoV UAE-HKU23 (265F) |
||||||
---|---|---|---|---|---|---|---|---|
Size, bases | G+C content | |||||||
3CLpro | RdRp | Helicase | S protein | N protein | ||||
Alphacoronavirus | ||||||||
HCoV-229E | 27,317 | 0.38 | 44.4 | 55.8 | 57.9 | 26.9 | 25.1 | |
HCoV-NL63 |
27,553 |
0.34 |
42.8 |
56.0 |
57.5 |
26.4 |
24.1 |
|
Betacoronavirus | ||||||||
Lineage A | ||||||||
BCoV | 31,028 | 0.37 | 99.7 | 99.9 | 99.5 | 94.1 | 98.4 | |
SACoV | 30,995 | 0.37 | 99.7 | 99.8 | 99.3 | 94.1 | 98.9 | |
DcCoV UAE-HKU23 (362F) | 31,036 | 0.37 | 99.7 | 100 | 100 | 99.8 | 100 | |
DcCoV UAE-HKU23 (368F) | 31,036 | 0.37 | 99.7 | 100 | 100 | 99.8 | 100 | |
Lineage B | ||||||||
SARS-CoV | 29,751 | 0.41 | 48.4 | 66.3 | 68.0 | 30.4 | 34.4 | |
Lineage C | ||||||||
MERS-CoV | 30,119 | 0.41 | 53.3 | 68.2 | 67.9 | 31.8 | 34.7 | |
Lineage D | ||||||||
Ro-BatCoV HKU9 |
29,114 |
0.41 |
48.4 |
66.5 |
67.5 |
29.2 |
32.5 |
|
Gammacoronavirus | ||||||||
Infectious bronchitis virus | 27,608 | 0.38 | 42.1 | 60.6 | 60.2 | 24.8 | 28.0 | |
BdCoV HKU22 |
31,750 |
0.39 |
45.3 |
60.0 |
58.2 |
25.7 |
28.9 |
|
Deltacoronavirus | ||||||||
BuCoV HKU11 | 26,476 | 0.39 | 38.5 | 51.2 | 47.5 | 26.4 | 23.8 | |
PorCoV HKU15 | 25,421 | 0.43 | 38.8 | 51.8 | 48.6 | 26.0 | 23.1 |
*The representative coronaviruses were those with complete genomes sequences available. DcCoV, dromedary camel coronavirus; 3CLpro, chymotrypsin-like protease; RdRp, RNA-dependent RNA polymerase; S protein, spike protein; N protein, nucleocapsid protein; HCoV, human CoV; BCoV, bovine CoV; SACoV, sable antelope CoV; SARS-CoV, severe acute respiratory syndrome CoV; MERS-CoV, Middle East respiratory syndrome CoV; Ro-BatCoV, rousettus bat CoV; BdCoV, bottlenose dolphin CoV; BuCoV, bulbul CoV; PorCoV, porcine CoV.
1These authors contributed equally to this article.