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. 2010 Dec 29;5(12):e15825. doi: 10.1371/journal.pone.0015825

Figure 1. Diagrams of HA/NA expression plasmids, GagPol-encoding plasmid, and CMV–GFP reporter plasmid, and transmission electron microscope observation.

Figure 1

A. HA/NA expression plasmids, HA/NA encoding sequences were inserted between the CMV promoter and poly A Tbgh (bovine growth hormone) tail. B. Murine leukemia virus GagPol-encoding plasmid, GagPol-encoding sequence was inserted between the CMV promoter and the Rabbit beta-globin G ploy A tail. C. CMV–GFP reporter plasmid, the EGFP sequence was inserted into the U3 and U5 sequence of murine leukemia virus. D. Transmission electron microscopy image of pseudoparticles.