Table 2.

Plasmids used for pseudo-typed lentivirus particle production.

	H1N1	H3N2	VSV-G
Envelope Protein-Coding Plasmid	pcDNA3.1-swineH1-flag (H1 from swine H1N1 A/California/04/09) (Codon optimized H1 (Genecust))	pcDNA-H3 [H3 from A/Denmark/70/03/(H3N2)] (Codon optimized H3 (Geneart))	pCMV-VSV-G (Addgene plasmid # 8454)
	pcDNA3.1-swine N1-flag (N1 from swine H1N1 A/California/04/09) (Codon optimized N1 (Genecust))	pI.18-N2 (N2 from human H3N2 A/Texas/50/2012)
Backbone Plasmid	pHIV-Luciferase (Addgene plasmid # 21375)
Packaging Plasmid	psPAX2 (Addgene plasmid # 12260)