A novel vector for construction of cDNA library

Fedchenko V.I.1 , Kaloshin A.A.1, Medvedev A.E.1

1. Institute of Biomedical Chemistry, Russian Academy of Medical Sciences
Section: Experimental/Clinical Study
DOI: 10.18097/pbmc20105603329      PubMed Id: 20695212
Year: 2010  Volume: 56  Issue: 3  Pages: 329-341
A new original vector pEM-(dT)40(f+) has been prepared. It can be used for cDNA library construction from polyadenylated mRNA, isolated from various sources. The pGEM-(dT)40f(+) is initially transformed into single stranded and then into a linear form and its (dT)40 tail at 3'-end is used as the vector-primer for synthesis of the first strand cDNA. The use of a synthetic oligonucleotide complementary to the vector and recombinant DNA results in vector cyclization and synthesis of the second strand cDNA. This approach significantly simplifies cDNA library construction, it does not require PCR reaction (which can induce artifact mutations in cDNA sequences) and restrictase treatment.
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Keywords: cDNA library, vector-primer, full size cDNA, cDNA synthesis

Fedchenko, V. I., Kaloshin, A. A., Medvedev, A. E. (2010). A novel vector for construction of cDNA library. Biomeditsinskaya khimiya, 56(3), 329-341.
This paper is also available as the English translation: 10.1134/S1990750810040050
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