cloning of GroEL
Posted 13 June 2010 - 08:57 PM
i hav performed all the steps as stated in the protocol brochure given along with the kit.
but i have used DH5 alpha cells, that i hav prepared myself with 0.1 M CaCl2.
the selectable marker i use is amipicilin, and its conc is 100 mg/ml.
i get fewer colonies but upon performing restriction digestion with EcoR1 i get only my vector.
i've also performed colony pcr, still the same result, hence confirming the fact that i hav no insert.
the gene (GroEL) i amplify is from the endosymbiont wolbachia, of the filarial parasite W.bancrofti of B.malayi.
i guess, GroEL in this case is a single copy number gene and hence i pool 6-8 pcr pdts, gel purify them, use that as template and reamplify the gene in order to intensify my gene conc.
plz suggest wat i shd do......
Posted 13 June 2010 - 09:00 PM
Edited by pDNA, 13 June 2010 - 09:01 PM.
Posted 13 June 2010 - 09:26 PM
i hav tried direct sequencing stratigies, but it hasnt worked my way......
and also that my senior cum project-mate has already worked on 2 other genes (Ftsz & MIF) this way and has reported polymorphisms.....