Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
RT-PCR (A) and electron microscopy (B) detection of isolated BDV virus(only the result of the third passage of AH12-01 was shown). A. lane 1: DNA molecular weight standard DM 2000; lane 2: 5’-UTR RT-PCR products (225bp); lane 3: Npro RT-PCR products (736bp); B. several 50–60 nm viral particles were observed by electron microscopy (black arrows); each graduate in the scale bar represents 50 nm.
