Rapid detection of hog cholera virus in tissues by the polymerase chain reaction

Shih Tung Liu*, Shui Nin Li, Ding Cheng Wang, Shu Fen Chang, Su Chuan Chiang, Wei Chuang Ho, Yu Sun Chang, Shiow Suey Lai

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

47 Scopus citations

Abstract

A rapid method for the detection of hog cholera virus (HCV) in infected tissues, using polymerase chain reaction (PCR) was developed. Total RNA isolated from HCV-infected tissues was reverse transcribed with AMV reversé transcriptase and the resulting complementary DNA was amplified by Taq DNA polymerase in the presence of two HCV-specific primers. The amplified DNA fragment was detected by agarose gel electrophoresis. The sensitivity of this method was at 104 TCID50 of HCV. The sensitivity increased approximately 1000-fold when the DNA was reamplified with a set of nested primers. DNA sequencing analysis of the PCR products revealed that the HCV sequence amplified from a local field isolate was highly homologous to the HCV Alfort strain. This method may be useful for pathological and epidemiological studies of HCV in pigs.

Original languageEnglish
Pages (from-to)227-236
Number of pages10
JournalJournal of Virological Methods
Volume35
Issue number2
DOIs
StatePublished - 1991

Keywords

  • Hog cholera virus
  • Polymerase chain reaction

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