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2017 ; 37
(2
): ä Nephropedia Template TP
gab.com Text
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English Wikipedia
Mega primer-mediated molecular cloning strategy for chimaeragenesis and long DNA
fragment insertion
#MMPMID28183872
Zhang H
; Liu CJ
; Jiang H
; Zhou L
; Li WY
; Zhu LY
; Wu L
; Meng E
; Zhang DY
Biosci Rep
2017[Apr]; 37
(2
): ä PMID28183872
show ga
Molecular cloning methods based on primer and overlap-extension PCR are widely
used due to their simplicity, reliability, low cost and high efficiency. In this
article, an efficient mega primer-mediated (MP) cloning strategy for
chimaeragenesis and long DNA fragment insertion is presented. MP cloning is a
seamless, restriction/ligation-independent method that requires only three steps:
(i) the first PCR for mega primer generation; (ii) the second PCR for exponential
amplification mediated by the mega primers and (iii) DpnI digestion and
transformation. Most importantly, for chimaeragenesis, genes can be assembled and
constructed into the plasmid vector in a single PCR step. By employing this
strategy, we successfully inserted four DNA fragments (approximately 500 bp each)
into the same vector simultaneously. In conclusion, the strategy proved to be a
simple and efficient tool for seamless cloning.