Team:Freiburg Bioware/NoteBook/Labjournal/October

From 2010.igem.org

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(Biobrick assembly pSB1C3_lITR_hTERT_beta-globin_CD)
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Yesterday AAV293 cells were transfected with a pCerulean_VP1up_NLS_mVenus_VP2/3_insCap construct. Today, nuclear localization of the produced mVenus_VP2/3_insCap fusion protein was visible and can be nicely seen in the following pictures: <br/>
Yesterday AAV293 cells were transfected with a pCerulean_VP1up_NLS_mVenus_VP2/3_insCap construct. Today, nuclear localization of the produced mVenus_VP2/3_insCap fusion protein was visible and can be nicely seen in the following pictures: <br/>
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<b>Conclusion:</b> The VP2/3 fusion particle was transcribed and translated AND was transported back into the nucleus in order to be packaged by the ITR-flanked gene of interest. <br/>
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Revision as of 19:45, 1 October 2010

Contents

136. labday 01.10.2010

mini preps of CD clones

Investigator: Kira

c(p689)= 115 ng/ul
c(690)= 151, 20 ng/ul
c(691)= 122,27 ng/ul
c(p692) = 126,42 ng/ul

test digestion of CD clones

Investigator: Kira

Components sample Volume/µL
DNA 4,0 µl
BSA (10x) 2 µl
Buffer no. 4 2,0 µl
Enzyme 1 XbaI 1,0 µl
Enzyme 2 AgeI 1,5 µl
H2O 9,5 µl
Total volume 20


incubation @ 37 C for approx. 2 h

1% agarose gel

Freiburg10 CD testdigestion 2010-10-01.jpg

Biobrick assembly pSB1C3_lITR_hTERT_beta-globin_CD

Investigator: Kira

c(pSB1C3_lITR_hTERT_beta-globin)= 333 ng/ul
c(pSB1C3_CD)= 151 ng/ul

Components vector Volume/µL insert Volume/µL
DNA 4,5 µl 6
BSA (10x) 3 µl 3
Buffer no. 4 3,0 µl 3
Enzyme 1 XbaI 0 µl1,5
Enzyme 2 SpeI 1,5 µl 0
Enzyme 3 PstI-HF 1,0 1
H2O 17 15,5
Total volume 25


incubation @ 37 C for approx. 2 h

1% agarose gel

Freiburg10 CD-beta-globin.jpg

Ligation

DNA-mix: 8 ul (vector 4,6ul)+(insert 3,4 ul)
T4 ligase: 1 ul
T4 buffer: 1 ul
Incubation @ RT for 30 min

Transformation was performed according to the standard protocol w BL21 cells.


Sequencing results of pCerulean_Zegfr:1907_MiddleLinker_VP2/3_HSPG-KO

Investigator: Hanna

Comment: All N-terminal fusion approaches with VP2/3_HSPG-KO revealed positive results except of pCerulean_Zegfr:1907_MiddleLinker_VP2/3_HSPG-KO. Another clone was picked, preped, test digested and sent for sequencing.

Freiburg10 pCerulean Zegfr1907 ML VP23HSPGKO.png


Conclusion: Sequencing results revealed positive results.

Picking clones of pGA14_MiddleLinker_VP2/3_insCap and pGA14_MiddleLinker_VP2/3_HSPG-KO

Investigator: Hanna

Unfortunately there grew a bacteria lawn over night - it was hardly not possible to pick clones. Nevertheless I tried and picked 2 clones of pGA14_MiddleLinker_VP2/3_insCap and pGA14_MiddleLinker_VP2/3_HSPG-KO.
To do: Mini-Prep and test digestion.

Sequencing results of pSB1C3_001_VP2/3_587-KO_BAP and pSB1C3_001_VP2/3_587-KO_6xHis

Investigator: Hanna

Comment: For the creation of our super constructs, the His-Tag and the BAP motif need to be cloned into VP2/3 for N-terminal fusion to VP2. Sequencing results showed that the 6xHis and BAP motif was not cloned into VP2/3_insCap.


To do: Clone 587-KO_6xHis and 587-KO_BAP into pSB1C3_001_VP2/3_insCap 1. via digestion of inserts and 2. via hybridization of referring oligos - digestion of vector with 800-900 ng.

Impressions of transfection of AAV293 with pCerulean_VP1up_NLS_mVenus_VP2/3_insCap

Investigator: Adrian

Yesterday AAV293 cells were transfected with a pCerulean_VP1up_NLS_mVenus_VP2/3_insCap construct. Today, nuclear localization of the produced mVenus_VP2/3_insCap fusion protein was visible and can be nicely seen in the following pictures:

Freiburg10 VP mVenus fusion localisation 5.jpg
Freiburg10 VP mVenus fusion localisation 7.jpg


Conclusion: The VP2/3 fusion particle was transcribed and translated AND was transported back into the nucleus in order to be packaged by the ITR-flanked gene of interest.