Table 3.

Primers used in this study

Primer	Sequence	Domain introduced
18 F	5’-AAAGCTTCGACGAGAGTATCAGCACTCATC-3’	Hind III
18R	5’-AGGATCCTTAATTAACAAGACAGACAAGTATTGCTTGG-3’	BamH I-Pac I
15 F	5’-AGGATCCTTAATTAAGACATTTCCAAGCAATACTTGTCTGTC-3’	BamH I-PacI
15R	5’-AGAATTCAAGCTTATCGACGAACAACTAAGAGTTTGC-3’	EcoR I-Hind III
UL18-s	5’- AAGGACCGCCTACTATCAAA-3’
gfp-s	5’- AGAAGAACGGCATCAAGGTG-3’
xgpt-s	5’- TCAGTCGGCTTGCGAGTTTA-3’
UL15-s	5’-AAACGGGTGGCTGTGCTGAT-3’

Note. Restriction enzyme recognition sequences are underlined and italicized.