Table 9.13.

Transgenic plant platform expressing commercially significant enzymes

Enzyme	Plant platform	Level	Reference
α-Amylase (archaea)	Corn	0.08–0.16% DWa	Urbanchuk et al. (2009)
	Tobacco	0.3%TSPb	Pen et al. (1992)
	Tobacco	5.0% TSP	Kumagai et al. (2000)
Xylanase		1.4–3.2% TSP	Bae et al. (2008)
	Tobacco	4.1TSP	Herbers et al. (1995)
	Rapeseed	2kU/kg seed	Liu et al. (1997)
Glucanase	Tobacco	0.22–0.38% TSP	Bae et al. (2010)
	Tobacco	0.3% TSP	Lebel et al. (1998)
	Barley	–	Jensen et al. (1996)
	Arabidopsis	26% TSP	Ziegler et al. (2000)
Phytase	Tobacco	1% TSP (seed)	Pen et al. (1993)
	Tobacco	14.4% seed	Verwoerd et al. (1995)
	Soybean	–	Denbow et al. (1998)
Bovine chymosin (rennin)	Brassica	0.5% total seed protein	van Rooije et al. (2008)
	Flax	0.5% total seed proteins	van Rooije et al. (2008)
Bovine trypsin	Corn	58 mg/kg seed	Woodard et al. (2003)

^aDry weight

^bTotal soluble protein