Team:Paris Bettencourt/Notebook/Phytase

Ferment It Yourself

iGEM Paris-Bettencourt 2O15

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Vitamin B12

Background	Aims	Results
Cobalamin (vitamin B12) deficiency is widely spread in India, due to diet that is mostly vegetarian.	We aimed at introducing a high-level cobalamin producer to the rice batter.	Tadaa.

5/08/15

Design primers

Gene PHO85

5’Primer of Kan resistance gene with tails use to transformation with the PHO85 gene of the yeast.
5’-TATCATTATATATACATGGCTACGGTTTTTCGCTGACGGGCTGCGATAATCATTTGCA
TCCATACATTTTGATGGC -3’

3’Primer of Kan resistance gene with tails use to transformation with the PHO85 gene of the yeast.
3’-AAGGGATATATAGCGCGGCAAACTGGGCAAACTTGAGCAATACCACAGCAGTATAG
CGACCAGCATTC-5’

- tail homologie PHO85
- Primer Kan

Gene PHO80

5’Primer of Kan resistance gene with tails use to transformation with the PHO80 gene of the yeast.
5’-ATCATAAGACGAGGATATCCTTTGGAGACTCATAGAAATCATAATCATTTGCATCCAT
ACATTTTGATGGC-3’

3’Primer of Kan resistance gene with tails use to transformation with the PHO80 gene of the yeast.
3’-CTCAATCATGATTGCTTTCATAATACCCCACGAAAAATCACAGCAGTATAGCGACCA
GCATTC-5’

- tail homologie PHO80
- Primer Kan

Gene FRT + PHO85

5’Primer of Kan resistance gene with tails use to transformation with the PHO85 gene of the yeast, including FRT sequence to can delete both of PHO80 an PHO85.
5’-TATCATTATATATACATGGCTACGGTTTTTCGCTGACGGGCTGCGGAAGTTCCTATTC
TCTAGAAAGTATAGGAACTTCATAATCATTTGCATCCATACATTTTGATGGC-3’

3’Primer of Kan resistance gene with tails use to transformation with the PHO85 gene of the yeast, including FRT sequence to can delete both of PHO80 an PHO85.
3’-AAGGGATATATAGCGCGGCAAACTGGGCAAACTTGAGCAATACCACTTCAAGGATAT
GAAAGATCTCTTATCCTTGAAGCAGCAGTATAGCGACCAGCATTC-5’

- tail homologie PHO85
- FRT
- Primer Kan

12/08/15

Culture

The saccharomyces cerevisiae SK1 was thaw and sow 100µL of it on YPD medium overnight. (at 30°C)
This yeast will be transformed.

PCR

3 PCR were realized on OH plasmid to create a Kanamicine resistance marker, thanks to 3 pair of primers wich have tails we’ll be use to knock out genes PHO80, PHO85 and both in the yeast.

Protocol: align="center" align="center"

	PHO80	PHO85	FRT+ PHO85
Master mix (µL)	50	50	50
H2O DNAse Free (µL)	45	45	45
Resistance plasmid (µL)	1	1	1
PHO80 5'Primer (µL)		2
PHO80 3'Primer (µL)		2
PHO85 5'Primer (µL)	2
PHO85 3'Primer (µL)	2
PHO85 + FRT 5'Primer (µL)			2
PHO85 + FRT 3'Primer (µL)			2