Table 4. Comparison of the yields of recombinant IL6 in three different tobacco hosts, achieved by stable or transient expression.

Transformation type	Construct	Cultivar	Plant organ	Expression level
				[% TSP]
stable	pLH-IL6ER	N. tabacum	leaf	0.14%
		cv. Geudertheimer
stable	pLH-IL6ER	N. tabacum	seed	0.12%
		cv. Geudertheimer
transient	pICH29912-IL6ER	N. benthamiana	leaf	7.78%
transient	pICH29912-IL6ER	N. tabacum	leaf	0.65%
		cv. Geudertheimer
transient	pICH29912-IL6ER	N. tabacum	leaf	1.06
		cv. Virginia