Biopolym. Cell. 1991; 7(3):31-35.
Polymrase Chain Reaction (PCR) for the diagnosis of virus infection: human cytomegalovirus
1Vinogradskaya G. R., 1Goryshin I. Yu., 2Novikova L. N., 3Plutalov O. V., 2Bashmakova M. A., 3Berlin Yu. A., 4Tsinzerling V. A., 3Schwartz E. I., 1Lanzov V. A.
  1. B. P. Konstantinov Institute of Nuclear Physics, Academy of Sciences of the USSR
    Gatchina, Leningrad distr., USSR
  2. Institute of Obstetrics and Gynecology, Academy of Medical Sciences of the USSR
    Leningrad, USSR
  3. M. M. Shemyakin Institute of Bioorganic Chemistry, Academy of Sciences of the USSR
    Moscow, USSR
  4. Leningrad Pediatric Medical Institute, Ministry of Health of the RSFSR
    Leningrad, USSR

Abstract

A rapid, sensitive and precise procedure of detecting cytomegalovirus (CMV) DNA in human tissue and biological liquid by means of the thermostable DNA-polymerase from Thermus thermophilus is described. The procedure consists of two consecutive PCRs. The-first one includes 40 cycles of denaturation, primer annealing and chain extension with two 20-base primers chosen from the conserved sequence ot MIE (major immediate early) gene of CMV. The second reaction includes from 20 up to 50 cycles consisting of the same steps but with 20-base primers chosen to amplify the internal part of the fragment amplified during the first reaction. The final fragment is detected by the ethidium bromide staining after polyacrylamide gel electrophoresis. Verification of the band includes restriction enzyme analysis. Use of pCM5018 plasmid bearing the CMV MIE gene shows that the proposed procedure can detect as little as several (from 1 to 5) molecules of DNA.

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