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VIROLOGICA SINICA, October 2007, 22 (5):353-359
CLC number: S852.65 Document code: A Article ID: 1674-0769(2007)05-0353-07
Complete Genomic Sequence of a Chinese Isolate of Duck
*
Hepatitis Virus
1** 2 1 1 1
Guang-qing LIU , Fei WANG , Zheng NI , Tao YUN , Bin YU ,
1 **
Jiong-gang HUANG and Jian-Ping CHEN
(1. Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021,
China; 2. College of Animal Science and Technology, Anhui Agriculture University, Hefei 230036, China)
Abstract: The complete genomic sequence of Duck hepatitis virus 1 (DHV-1) ZJ-V isolate was
sequenced and determined to be 7 691 nucleotides (nt) in length with a 5′-terminal un-translated region
(UTR) of 626 nt and a 3′-terminal UTR of 315 nt (not including the poly(A) tail). One large open
reading frame (ORF) was found within the genome (nt 627 to 7 373) coding for a polypeptide of 2 249
amino acids. Our data also showed that the poly (A) tail of DHV-1 has at least 22 A’s. Sequence
comparison revealed significant homology (from 91.9% to 95.7%) between the protein sequences of the
ZJ-V isolate and those of 21 reference isolates. Although DHV-1 has been classified as an unassigned
virus in the Picornaviridae family, its genome showed some unique characteristics. DHV-1 contains 3
copies of the 2A gene and only 1 c
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