Table 2.
Expression of recombinant Lf by various transgenic organisms.
| Expression system | Lf origen | Expression level | Year/reference | 
|---|---|---|---|
| Bacteria | |||
| E. coli | bLfc | 10 mg/L | 2007 [201] | 
| Lfc | 60 mg/L | 2006 [202] | |
| bLfc | 2 mg/L | 2006 [203] | |
| Kumin Lf | 17 mg/L | 2010 [204] | |
| Lactobacillus casei | hLf | 10.6 mg/mL | 2010 [205] | 
| Rhodococcus erythropolis | bLf C-lobe | 3.6 mg/mL | 2006 [206] | 
| Yeast | |||
| Pichia pastoris | hLf | 115 mg/L | 2004 [207] | 
| cLf | 2 mg/L | 2007 [208] | |
| pLf | 12 mg/L | 2002 [209] | |
| Yak Lf | 40 mg/L | 2006 [210] | |
| eLf | 40 mg/L | 2002 [211] | |
| hLf | 1200 mg/L | 2008 [212] | |
| Pichia methanolica | pLf | NR | 2007 [213] | 
| bLfc | 90 mg/L | 2007 [214] | |
| Fungi | |||
| Aspergillus awamori | hLf | 2 g/L | 1995 [215] | 
| Aspergillus oryzae | hLf | 25 mg/L | 1992 [216] | 
| Insects | |||
| Spodoptera frugiperda | hLf | 9.5 mg/L | 1998 [217] | 
| Bombyx mori | hLf | 65 mg/L | 2005 [218] | 
| hLf | 13.5 μg/1–2 × 105 cells | 2006 [219] | |
| pLf | 205 μg/pupa | 2005 [220] | |
| Cell lines | |||
| Baby hamster kidney (BHK) | hLf | 20 mg/L | 1991 [221] | 
| Cell culture (human embryo kidney) | hLf | 16 mg/L | 2009 [222] | 
| Mammals | |||
| Goat | hLf | 0.756 mg/L | 2008 [223] | 
| hLf | 2 g/L | 2007 [224] | |
| Mice | hLf | 2.5 mg/mL | 1997 [225] | 
| hLf | 2.5 mg–200 μg/mL milk | 1997 [226] | |
| Rabbit | hLf | 2.3 mg/mL milk | 2008 [227] | 
| Bovine | hLf | 1 g/L milk | 2002 [228] | 
| hLf | 2.9 mg/mL | 2006 [229] | |
| Plants | |||
| Nicotiana benthamiana | hLf N-lobe | 0.6% soluble protein | 2004 [230] | 
| Nicotiana tabacum | hLf | NR | 1994 [231] | 
| hLf | 0.1–0.8% soluble protein | 1998 [232] | |
| hLf | 4.3% soluble protein | 2003 [233] | |
| bLf | NR | 2011 [234] | |
| Rice | hLf | 1.6 mg/g seed | 2004 [235] | 
| hLf | 0.5% total biomass | 2005 [236] | |
| hLf | 2–4% soluble protein | 2003 [237] | |
| hLf | 0.1% soluble protein | 2010 [238] | |
| Potato | hLf | 0.1% soluble protein | 2000 [239] | 
| Sweet potato (Ipomoea batata) | hLf | 3.2 μg/mg total protein | 2006 [240] | 
| Panax ginseng | hLf | 3.0% soluble protein | 2003 [241] | 
| Tomato (Lycopersicon esculentum) | hLf | NR | 2002 [242] | 
| Maize | hLf | NR | 2001 [243] | 
| Alfalfa (Medicago sativa) | hLf | NR | 2005 [244] | 
| Barley | hLf | NR | 2011 [245] | 
(h = human, b = bovine, c = caprine, p = porcine, e = equine, Lfc = lactoferricin, NR = not reported).