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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1991-10-24
pubmed:abstractText
A rapid and efficient yeast transformation procedure has been developed through investigation of factors affecting transformation efficiency. The manipulation of the entire procedure can be done within one and one half hours. High yield of transformants is obtained by: adding calf thymus DNA as carrier DNA; adding PEG4000, carrier DNA and plasmid DNA to cell suspension simultaneously; prolonging heat shock at 42 degrees C from 5 min to 25 min and spreading the transformation mixture directly onto agar plates after heat shock. The pretreatment of yeast intact cells with LiAc can be omitted in this procedure. The transformation rates of four types of plasmid DNA were as follows: pCN60: 3.5-7.2 x 10(4) (for linear pCN60/BamHI: 1.6 x 10(5)); YEp13: 1.7-2.6 x 10(4) (for linear YEp13/BamHI: 8.0 x 10(4)); RC4: 3.7 x 10(4); YIp5/StuI: 7.6 x 10(3). Seven recipient strains transformed by using this procedure all reached the yields of over 10(4) transformants per microgramme of DNA.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
1042-749X
pubmed:author
pubmed:issnType
Print
pubmed:volume
6
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
103-10
pubmed:dateRevised
2006-5-1
pubmed:meshHeading
pubmed:year
1990
pubmed:articleTitle
A rapid and efficient procedure for transformation of Saccharomyces cerevisiae intact cells with plasmid DNA.
pubmed:affiliation
Institute of Microbiology, Chinese Academy of Sciences, Beijing.
pubmed:publicationType
Journal Article