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Restriction-based Multiple-fragment Assembly Strategy to Avoid Random Mutation during Long cDNA Cloning.


ABSTRACT: Long fragment cloning is a challenge for its difficulty in accurate amplifying and tendency to get unwanted mutation. Here we discuss Restriction-based Multiple-fragment Assembly Strategy's advantages and limitations. In this strategy, rather than PCR amplifying the entire coding sequence (CDS) at one time, we amplified and sequenced smaller fragments which are shorter than 1.5kb spanning the CDS. After that, the sequence-proved fragments were assembled by digestion-ligation cloning to the target vector. We test its universality in our script programmed in Python. Our data shows that, among the entire human and mouse CDS, at least 70% of long CDS cloning will benefit from this strategy.

SUBMITTER: Wang S 

PROVIDER: S-EPMC4466412 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Restriction-based Multiple-fragment Assembly Strategy to Avoid Random Mutation during Long cDNA Cloning.

Wang Shang S   Chen Wen W   Zhang Kai K   Jiao Peng P   Mo Lihua L   Yang Xiaoxu X   Hu Xiang X   Zhang Jian J   Wei Chenxi C   Xiang Shuanglin S  

Journal of Cancer 20150525 7


Long fragment cloning is a challenge for its difficulty in accurate amplifying and tendency to get unwanted mutation. Here we discuss Restriction-based Multiple-fragment Assembly Strategy's advantages and limitations. In this strategy, rather than PCR amplifying the entire coding sequence (CDS) at one time, we amplified and sequenced smaller fragments which are shorter than 1.5kb spanning the CDS. After that, the sequence-proved fragments were assembled by digestion-ligation cloning to the targe  ...[more]

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