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Gene of interest number of copies in transformed K. pastoris

When transforming a K. pastoris strain, is there a way to predict how many copies of the gene will be integrated following the homologous recombination? More specifically is it something that a ...
Strack's user avatar
  • 1
1 vote
0 answers
174 views

Yeast transformation plate confluent with growth

I have problem with yeast transformation. I tried to transform pyes3-tryp(my insert inside) into INVsc1 yeast cell by following the protocol in the manual for few times but failed(confluent with ...
att901's user avatar
  • 11
2 votes
0 answers
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What is the maximal insert length for PCR based homologous recombination in S. cerevisae

I would like to insert a 6 kbp construct, which I have on a plasmid into the genome of S. cerevisiae. This plasmid was originally constructed to integrate at the HIS locus via homologous recombination ...
Jannis's user avatar
  • 21
3 votes
1 answer
2k views

What is the best current understanding of how yeast transformation works?

I would like to get myself up to speed with what is currently known to science about yeast transformation. Specifically, transformation of plasmids and linear DNA fragments. I am particularly ...
Superbest's user avatar
  • 4,540
0 votes
1 answer
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How the concentration of an antibiotic is chosen for YPD medium?

I need to prepare YPD plates containing hygromycin, but I don't know which concentration I can use. I'll select transformants of Hansenula polymorpha.
Armacino's user avatar
11 votes
2 answers
19k views

Why is PEG important for efficient yeast transformation?

One way to do an yeast transformation is by using lithium acetate, a single-stranded carrier DNA, and PEG (1). I was wondering why is the polyethylene glycol important for the efficient transformation....
Gergana Vandova's user avatar