IGEM:Harvard/2010/Team Allergy
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< IGEM:Harvard | 2010
Contents |
Description
Allergies to fruits and vegetables are (increasingly) common, affecting millions of people around the world with symptoms ranging from mild itchiness to life-threatening anaphylaxis. Allergy is caused by an inappropriate immune response to harmless proteins present in the environment. Several common food allergens are structurally similar to pollens that cause seasonal allergies and are present in a wide range of fruits and vegetables. Many of these proteins have been knocked down in plants using RNA interference, leading to plants with reduced allergenicity. As part of our iGarden project we are designing modular BioBrick intron-containing self-complementary hairpin forming RNA (ihpRNA) constructs for the targeted knockdown of proteins with homology to allergens in arabidopsis and strawberry, as well as designing ihpRNA constructs against allergens in a range of other plants common in home gardens, including lettuce, carrots, celery, tomato, and several herbs. Our goal is to use genetic engineering to make food safer, and to specially tailor gardens to the needs of each person with a different set of allergies.
Bibliography
Plant shRNA
- Wesley SV, Helliwell CA, Smith NA, Wang MB, Rouse DT, Liu Q, Gooding PS, Singh SP, Abbott D, Stoutjesdijk PA, Robinson SP, Gleave AP, Green AG, and Waterhouse PM. . pmid:11576441.
- Schwab R, Ossowski S, Riester M, Warthmann N, and Weigel D. . pmid:16531494.
Allergen silencing
- Dodo HW, Konan KN, Chen FC, Egnin M, and Viquez OM. . pmid:17784907.
- Singh MB and Bhalla PL. . pmid:18467156.
- Le LQ, Mahler V, Lorenz Y, Scheurer S, Biemelt S, Vieths S, and Sonnewald U. . pmid:17088146.
- Gallo M and Sayre R. . pmid:19356919.
- Lorenz Y, Enrique E, Lequynh L, Fötisch K, Retzek M, Biemelt S, Sonnewald U, Vieths S, and Scheurer S. . pmid:16950292.
- Herman EM, Helm RM, Jung R, and Kinney AJ. . pmid:12746509.
- Gilissen LJ, Bolhaar ST, Matos CI, Rouwendal GJ, Boone MJ, Krens FA, Zuidmeer L, Van Leeuwen A, Akkerdaas J, Hoffmann-Sommergruber K, Knulst AC, Bosch D, Van de Weg WE, and Van Ree R. . pmid:15696096.
- Bhalla PL and Singh MB. . pmid:14962769.
Allergen proteins
- Chardin H, Mayer C, Sénéchal H, Wal JM, Poncet P, Desvaux FX, and Peltre G. . pmid:12811016.
- San Miguel-Moncín M, Krail M, Scheurer S, Enrique E, Alonso R, Conti A, Cisteró-Bahíma A, and Vieths S. . pmid:12757453.
- Salcedo G, Sanchez-Monge R, Diaz-Perales A, Garcia-Casado G, and Barber D. . pmid:15347364.
- Gajhede M, Osmark P, Poulsen FM, Ipsen H, Larsen JN, Joost van Neerven RJ, Schou C, Løwenstein H, and Spangfort MD. . pmid:8946858.
- Zuidmeer L, Salentijn E, Rivas MF, Mancebo EG, Asero R, Matos CI, Pelgrom KT, Gilissen LJ, and van Ree R. . pmid:16650053.
- Karlsson AL, Alm R, Ekstrand B, Fjelkner-Modig S, Schiött A, Bengtsson U, Björk L, Hjernø K, Roepstorff P, and Emanuelsson CS. . pmid:15507096.
- Musidlowska-Persson A, Alm R, and Emanuelsson C. . pmid:16945416.
- Breiteneder H and Ebner C. . pmid:10887301.
- Jensen-Jarolim E, Schmid B, Bernier F, Berna A, Kinaciyan T, Focke M, Ebner C, Scheiner O, and Boltz-Nitulescu G. . pmid:12169176.
Primers and Sequences
ihpRNA
| name | GenBank Accession | forward sense primer | reverse sense primer | forward antisense primer | reverse antisense primer |
|---|---|---|---|---|---|
| pdk intron | AJ311872 | CCTTGAATTCGCGGCCGCATCTAGA CCAATTGGTAAGGAAATAAT | AAGGCTGCAGCGGCCGCTACTAGT TTCGAACCCAATTTCCCAAC | ||
| PME3 intron (746 bp) | AF033204 | CCTTGAATTCGCGGCCGCATCTAGA CTCCGCCACCGTTGGTAAGC | AAGGCTGCAGCGGCCGCTACTAGT CGACGGACCCGCCGTGTTTT | ||
| PAL2 intron (240 bp) | L33678.1 | CCTTGAATTCGCGGCCGCATCTAGA ACAGAACTCATTAGGTAATT | AAGGCTGCAGCGGCCGCTACTAGT TCCGGCGTTCAAAAATCTGA | ||
| GFP | AF218816.1 | CCTTGAATTCGCGGCCGCATCTAGA atggtgagcaagggcgagga | AAGGCTGCAGCGGCCGCTACTAGT gaagatggtgcgctcctgga | AAGGCTGCAGCGGCCGCTACTAGT atggtgagcaagggcgagga | CCTTGAATTCGCGGCCGCATCTAGA gaagatggtgcgctcctgga |
| A. thaliana LTP1 | ATHSEQB | CCTTGAATTCGCGGCCGCATCTAGA ATGGCTGGAGTGATGAAGTT | AAGGCTGCAGCGGCCGCTACTAGT CAGCTGCACGGCCAGCGTTG | AAGGCTGCAGCGGCCGCTACTAGT ATGGCTGGAGTGATGAAGTT | CCTTGAATTCGCGGCCGCATCTAGA CAGCTGCACGGCCAGCGTTG |
| Fra a 1A (Bet v 1) | DQ385511 | CCTTGAATTCGCGGCCGCATCTAGA ATGGGTGTTTACACTTATGA | AAGGCTGCAGCGGCCGCTACTAGT GTAGTCGATCTTCTCGATGT | AAGGCTGCAGCGGCCGCTACTAGT ATGGGTGTTTACACTTATGA | CCTTGAATTCGCGGCCGCATCTAGA GTAGTCGATCTTCTCGATGT |
| L. sativa LTP 1.1 | EF101532.1 | CCTTGAATTCGCGGCCGCATCTAGA ATGGCAAGGATGGCAACGAT | AAGGCTGCAGCGGCCGCTACTAGT TGACACCACACTTGCCGGGG | AAGGCTGCAGCGGCCGCTACTAGT ATGGCAAGGATGGCAACGAT | CCTTGAATTCGCGGCCGCATCTAGA TGACACCACACTTGCCGGGG |
| L. sativa LTP 1.2 | EF101531.1 | CCTTGAATTCGCGGCCGCATCTAGA GTGACATGTGGTCAGGTGGT | AAGGCTGCAGCGGCCGCTACTAGT CTGGATCCTATTGCAGTCGG | AAGGCTGCAGCGGCCGCTACTAGT GTGACATGTGGTCAGGTGGT | CCTTGAATTCGCGGCCGCATCTAGA CTGGATCCTATTGCAGTCGG |
| S. lycopersicum Lyc E 1.01 (profilin) | AJ417553 | CCTTGAATTCGCGGCCGCATCTAGA ATGTCGTGGCAAACATATGT | AAGGCTGCAGCGGCCGCTACTAGT AGCCTGATTGGTCTTCTTAA | AAGGCTGCAGCGGCCGCTACTAGT ATGTCGTGGCAAACATATGT | CCTTGAATTCGCGGCCGCATCTAGA AGCCTGATTGGTCTTCTTAA |
| D. Carota Dau C 1 | Z84376.1 | CCTTGAATTCGCGGCCGCATCTAGA ATGGGTGCCCAGAGCCATTCAC | AAGGCTGCAGCGGCCGCTACTAGT GGTTTCAATGGATTCGATGA | AAGGCTGCAGCGGCCGCTACTAGT ATGGGTGCCCAGAGCCATTCAC | CCTTGAATTCGCGGCCGCATCTAGA GGTTTCAATGGATTCGATGA |
| Api g 4 (celery profilin) | AF129423.1 | CCTTGAATTCGCGGCCGCATCTAGA ATGTCGTGGCAGGCGTACGT | AAGGCTGCAGCGGCCGCTACTAGT GGTTCATCATAGACTCCGAA | AAGGCTGCAGCGGCCGCTACTAGT ATGTCGTGGCAGGCGTACGT | CCTTGAATTCGCGGCCGCATCTAGA GGTTCATCATAGACTCCGAA |
| Api g 1.0201 (celery) | Z75662.2 | CCTTGAATTCGCGGCCGCATCTAGA ATGGGTGTCCAAAAGACCGT | AAGGCTGCAGCGGCCGCTACTAGT CACCACTGACTCGAGTACGT | AAGGCTGCAGCGGCCGCTACTAGT ATGGGTGTCCAAAAGACCGT | CCTTGAATTCGCGGCCGCATCTAGA CACCACTGACTCGAGTACGT |
| Api g 1 (celery) | Z48967.1 | CCTTGAATTCGCGGCCGCATCTAGA ATGGGAGTGCAGACACATGT | AAGGCTGCAGCGGCCGCTACTAGT GTTTTCAATGGATTCGATAA | AAGGCTGCAGCGGCCGCTACTAGT ATGGGAGTGCAGACACATGT | CCTTGAATTCGCGGCCGCATCTAGA GTTTTCAATGGATTCGATAA |
| A. Thaliana (BLAST) Bet v 1 (#1) | :12937059-12937689 | CCTTGAATTCGCGGCCGCATCTAGA ATGATAGAAGAGGAGATTGA | AAGGCTGCAGCGGCCGCTACTAGT TACCATATTAAAAAATACGT | AAGGCTGCAGCGGCCGCTACTAGT ATGATAGAAGAGGAGATTGA | CCTTGAATTCGCGGCCGCATCTAGA TACCATATTAAAAAATACGT |
| A. Thaliana (BLAST) Bet v 1 (#2) | :12937059-12937689 | CCTTGAATTCGCGGCCGCATCTAGA AAATTCATTTATAAACGCAT | AAGGCTGCAGCGGCCGCTACTAGT TTAATCCTTAGACAAGAGGT | AAGGCTGCAGCGGCCGCTACTAGT AAATTCATTTATAAACGCAT | CCTTGAATTCGCGGCCGCATCTAGA TTAATCCTTAGACAAGAGGT |
| A. thaliana GER3 | NM_122070 | CCTTGAATTCGCGGCCGCATCTAGA ATGAAGATGATAATCCAAAT | AAGGCTGCAGCGGCCGCTACTAGT GATGACACCACCACCGGCTA | AAGGCTGCAGCGGCCGCTACTAGT ATGAAGATGATAATCCAAAT | CCTTGAATTCGCGGCCGCATCTAGA GATGACACCACCACCGGCTA |
| Fra a 1 Exon2 (for hair pin) | DQ385511 | CCTTGAATTCGCGGCCGCATCTAGA GCAGCCACTACGGGTACGTC | AAGGCTGCAGCGGCCGCTACTAGT TTAGTTGTATTCGCTGGGGT | AAGGCTGCAGCGGCCGCTACTAGT GCAGCCACTACGGGTACGTC | CCTTGAATTCGCGGCCGCATCTAGA TTAGTTGTATTCGCTGGGGT |
| Fra a 1 intron | DQ385511 | CCTTGAATTCGCGGCCGCATCTAGA ATCACCTTTGGTGAAGGTAT | AAGGCTGCAGCGGCCGCTACTAGT ACCCGTAGTGGCTGCCTGTC | AAGGCTGCAGCGGCCGCTACTAGT ATCACCTTTGGTGAAGGTAT | CCTTGAATTCGCGGCCGCATCTAGA ACCCGTAGTGGCTGCCTGTC |
amiRNA
| description | forward (A) | reverse (B) |
| biobrick RS300 | CCTTGAATTCGCGGCCGCATCTAGA CCCACAAACACACGCTCGGA | AAGGCTGCAGCGGCCGCTACTAGT CCCCATGGCGATGCCTTAAA |
| description | primer 1 (mir sense) | primer 2 (mir antisense) | primer 3 (mir* sense) | primer 4 (mir* antisense) |
| GFP | gaTTAGTGGTCGGCGAGCTGCACtctctcttttgtattcc | gaGTGCAGCTCGCCGACCACTAAtcaaagagaatcaatga | gaGTACAGCTCGCCGTCCACTATtcacaggtcgtgatatg | gaATAGTGGACGGCGAGCTGTACtctacatatatattcct |
| LTP 1 | gaTCTAACTATGTATAGGACCACtctctcttttgtattcc | gaGTGGTCCTATACATAGTTAGAtcaaagagaatcaatga | gaGTAGTCCTATACAAAGTTAGTtcacaggtcgtgatatg | gaACTAACTTTGTATAGGACTACtctacatatatattcct |
| Bet v1 | gaTTGGTTATATATATCGCACCTtctctcttttgtattcc | gaAGGTGCGATATATATAACCAAtcaaagagaatcaatga | gaAGATGCGATATATTTAACCATtcacaggtcgtgatatg | gaATGGTTAAATATATCGCATCTtctacatatatattcct |
Protocols
Isolating Genes From Plants
Strawberry Transformation
- Schaart JG, Krens FA, Pelgrom KT, Mendes O, and Rouwendal GJ. . pmid:17147614.
- Oosumi T, Gruszewski HA, Blischak LA, Baxter AJ, Wadl PA, Shuman JL, Veilleux RE, and Shulaev V. . pmid:16320068.
- Husaini AM. . pmid:19956955.
- Graham J, McNicol RJ, and Kumar A. . pmid:7581659.
amiRNA
Plasmids
Introns
ihpRNA production requires the selection of an intron. We are using PCR to make hairpin parts out of two introns:


