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单词 Duck hepatitis B virus
释义

Duck hepatitis B virus

英语百科

Duck hepatitis B virus

Duck Hepatitis B virus, abbreviated DHBV, is part of the Avihepadnavirus genus of the Hepadnaviridae, and is the causal agent of duck hepatitis B.

DHBV is a small DNA virus with a diameter of 40–45 nm. The viral envelope is made up from host cell lipid, with viral surface antigens (DHBsAg). The icosahedral nucleocapsid within, is composed of the virus core antigen (DHBcAg) and surrounds the DNA genome and viral polymerase. The viral genome is a circular double stranded DNA molecule about 3000 base pairs long. The genome has three overlapping open reading frames or ORFs:

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